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1. Time course metabolome of Roux-en-Y gastric bypass confirms correlation between leptin, body weight and the microbiome.

Author

Loqmane Seridi, Gregory C Leo, G Lynis Dohm, Walter J Pories, and James Lenhard

Subjects
Medicine, Science
Abstract

Roux-en-Y gastric bypass (RYGB) is an effective way to lose weight and reverse type 2 diabetes. We profiled the metabolome of 18 obese patients (nine euglycemic and nine diabetics) that underwent RYGB surgery and seven lean subjects. Plasma samples from the obese patients were collected before the surgery and one week and three months after the surgery. We analyzed the metabolome in association to five hormones (Adiponectin, Insulin, Ghrelin, Leptin, and Resistin), four peptide hormones (GIP, Glucagon, GLP1, and PYY), and two cytokines (IL-6 and TNF). PCA showed samples cluster by surgery time and many microbially driven metabolites (indoles in particular) correlated with the three months after the surgery. Network analysis of metabolites revealed a connection between carbohydrate (mannosamine and glucosamine) and glyoxylate and confirms glyoxylate association to diabetes. Only leptin and IL-6 had a significant association with the measured metabolites. Leptin decreased immediately after RYGB (before significant weight loss), whereas IL-6 showed no consistent response to RYGB. Moreover, leptin associated with tryptophan in support of the possible role of leptin in the regulation of serotonin synthesis pathways in the gut. These results suggest a potential link between gastric leptin and microbial-derived metabolites in the context of obesity and diabetes.

Published
2018
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2. Neighborhood Environment and Poor Maternal Glycemic Control–Associated Complications of Gestational Diabetes Mellitus

Author

Leela V. Thomas, PhD, Claudine T. Jurkovitz, MD, MPH, Zugui Zhang, PhD, FAHA, Mitchell R. Fawcett, MBA, and M. James Lenhard, MD, FACP, FACE

Subjects
Gestational diabetes, maternal hyperglycemia, complication, neighborhood, health disparity, social determinant, Public aspects of medicine, RA1-1270
Abstract

Introduction: Risk of complications due to gestational diabetes mellitus is increasing in the U.S., particularly among individuals from racial minorities. Research has focused largely on clinical interventions to prevent complications, rarely on individuals’ residential environments. This retrospective cohort study aims to examine the association between individuals’ neighborhoods and complications of gestational diabetes mellitus. Methods: Demographic and clinical data were extracted from electronic health records and linked to American Community Survey data from the U.S. Census Bureau for 2,047 individuals who had 2,164 deliveries in 2014–2018. Data were analyzed in 2021–2022 using Wilcoxon rank sum test and chi-square test for bivariate analyses and logistic regression for analysis of independent effects. All census tract–based variables used in the model were dichotomized at the median. Results: Bivariate analysis showed that the average percentage of adults earning 25 years with less than high school diploma had a higher likelihood of complications than those who lived in areas with

Published
2024
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3. Momentary Partner Involvement in Diabetes Self-Care and Continuously Measured Glucose: A Dynamic Analysis

Author

Emily C, Soriano, M James, Lenhard, Jeffrey S, Gonzalez, Howard, Tennen, Amy K, Otto, Christine, Perndorfer, Biing-Jiun, Shen, Scott D, Siegel, and Jean-Philippe, Laurenceau

Subjects
Adult, Blood Glucose, Glycated Hemoglobin, Self Care, Diabetes Mellitus, Type 1, Glucose, Diabetes Mellitus, Type 2, Blood Glucose Self-Monitoring, Humans, Hypoglycemic Agents
Abstract

This study examined the dynamic, real-time associations between partner involvement in diabetes self-care and continuous glucose monitor (CGM) metrics in adults with type 2 diabetes.For 1 week, 63 participants wore Dexcom G4 CGMs and provided momentary reports of partner involvement in diabetes self-care five times per day. Dynamic structural equation models were used to estimate the reciprocal lagged effects of partner involvement on next-hour CGM metrics (and vice versa).Partner involvement predicted improved next-hour glucose control for five of six CGM metrics in analyses adjusted for time-varying covariates. The hour after partner involvement, the model predicted a 26.34 mg/dl decrease in glucose level (standardized β = -0.19), 30% greater odds of meeting target time in target range ( β = 0.07), 48% higher odds of target time below target range (TBR; β = 0.04; the only nonsignificant effect), 47% greater odds of target time above target range (β = 0.11), a 4.20 unit decrease in glucose standard deviation ( β = -0.19), and a 0.01 unit decrease in glucose coefficient of variation ( β = -0.08; all p values.05). There was less consistent support for the reverse pathway, with only two metrics significantly related to next-hour partner involvement: glucose level ( β = 0.15) and TBR ( β = 0.21), such that having higher levels and meeting target TBR were significantly predictive of next-hour partner involvement.This is the first study showing that partner involvement in daily diabetes management predicts short-term glucose control. More research is needed to understand how partners influence glycemic control and evaluate interventions that promote their involvement in diabetes care.

Published
2023

6. Impaired glucose partitioning in primary myotubes from severely obese women with type 2 diabetes

Author

Pamela J. Hornby, J. Matthew Hinkley, Donghai Zheng, Walter J. Pories, Benjamin A. Kugler, James Lenhard, G. Lynis Dohm, Kai Zou, Terry E. Jones, Kristen Turner, and Joseph A. Houmard

Subjects
Adult, medicine.medical_specialty, Physiology, Muscle Fibers, Skeletal, 030209 endocrinology & metabolism, Type 2 diabetes, 03 medical and health sciences, 0302 clinical medicine, Internal medicine, medicine, Humans, Insulin, Women, Glycolysis, Obesity, 030212 general & internal medicine, Muscle, Skeletal, Glycogen synthase, biology, Chemistry, Myogenesis, Skeletal muscle, Cell Biology, Metabolism, Pyruvate dehydrogenase complex, medicine.disease, Citric acid cycle, Glucose, Endocrinology, medicine.anatomical_structure, Diabetes Mellitus, Type 2, Case-Control Studies, biology.protein, Female, Oxidation-Reduction, Glycogen, Research Article
Abstract

The purpose of this study was to determine whether intramyocellular glucose partitioning was altered in primary human myotubes derived from severely obese women with type 2 diabetes. Human skeletal muscle cells were obtained from lean nondiabetic and severely obese Caucasian females with type 2 diabetes [body mass index (BMI): 23.6 ± 2.6 vs. 48.8 ± 1.9 kg/m2, fasting glucose: 86.9 ± 1.6 vs. 135.6 ± 12.0 mg/dL, n = 9/group]. 1-[14C]-Glucose metabolism (glycogen synthesis, glucose oxidation, and nonoxidized glycolysis) and 1- and 2-[14C]-pyruvate oxidation were examined in fully differentiated myotubes under basal and insulin-stimulated conditions. Tricarboxylic acid cycle intermediates were determined via targeted metabolomics. Myotubes derived from severely obese individuals with type 2 diabetes exhibited impaired insulin-mediated glucose partitioning with reduced rates of glycogen synthesis and glucose oxidation and increased rates of nonoxidized glycolytic products, when compared with myotubes derived from the nondiabetic individuals ( P < 0.05). Both 1- and 2-[14C]-pyruvate oxidation rates were significantly blunted in myotubes from severely obese women with type 2 diabetes compared with myotubes from the nondiabetic controls. Lastly, concentrations of tricarboxylic acid cycle intermediates, namely, citrate ( P < 0.05), cis-aconitic acid ( P = 0.07), and α-ketoglutarate ( P < 0.05), were lower in myotubes from severely obese women with type 2 diabetes. These data suggest that intramyocellular insulin-mediated glucose partitioning is intrinsically altered in the skeletal muscle of severely obese women with type 2 diabetes in a manner that favors the production of glycolytic end products. Defects in pyruvate dehydrogenase and tricarboxylic acid cycle may be responsible for this metabolic derangement associated with type 2 diabetes.

Published
2020
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7. Targeting Enteropeptidase with Reversible Covalent Inhibitors To Achieve Metabolic Benefits

Author

Xuqing Zhang, James Lenhard, Richard Alexander, Weimei Sun, Maxwell D. Cummings, Bin Zhu, Kamal Albarazanji, Mina Wang, James C. Lanter, Jiejun Wu, James N. Leonard, and Yue-Mei Zhang

Subjects
Blood Glucose, Models, Molecular, 0301 basic medicine, Enteropeptidase, Camostat, Protein Conformation, CHO Cells, Pharmacology, Serine, Eating, Structure-Activity Relationship, 03 medical and health sciences, chemistry.chemical_compound, Cricetulus, 0302 clinical medicine, Diabetes Mellitus, Animals, Humans, Structure–activity relationship, Obesity, Enzyme Reactivation, Enzyme Inhibitors, chemistry.chemical_classification, Serine protease, biology, Kinase, Body Weight, Kinetics, Metabolism, 030104 developmental biology, Enzyme, chemistry, biology.protein, Molecular Medicine, 030217 neurology & neurosurgery, Half-Life
Abstract

Inhibition of the serine protease enteropeptidase (EP) opens a new avenue to the discovery of chemotherapeutics for the treatment of metabolic diseases. Camostat has been used clinically for treating chronic pancreatitis in Japan; however, the mechanistic basis of the observed clinical efficacy has not been fully elucidated. We demonstrate that camostat is a potent reversible covalent inhibitor of EP, with an inhibition potency (kinact/KI) of 1.5 × 104 M−1s−1. High-resolution liquid chromatography-mass spectrometry (LC-MS) showed addition of 161.6 Da to EP after the reaction with camostat, consistent with insertion of the carboxyphenylguanidine moiety of camostat. Covalent inhibition of EP by camostat is reversible, with an enzyme reactivation half-life of 14.3 hours. Formation of a covalent adduct was further supported by a crystal structure resolved to 2.19 A, showing modification of the catalytic serine of EP by a close analog of camostat, leading to formation of the carboxyphenylguanidine acyl enzyme identical to that expected for the reaction with camostat. Of particular note, minor structural modifications of camostat led to changes in the mechanism of inhibition. We observed from other studies that sustained inhibition of EP is required to effect a reduction in cumulative food intake and body weight, with concomitant improved blood glucose levels in obese and diabetic leptin-deficient mice. Thus, the structure-activity relationship needs to be driven by not only the inhibition potency but also the mechanistic and kinetic characterization. Our findings support EP as a target for the treatment of metabolic diseases and demonstrate that reversible covalent EP inhibitors show clinically relevant efficacy. SIGNIFICANCE STATEMENT Interest in targeted covalent drugs has expanded in recent years, particularly so for kinase targets, but also more broadly. This study demonstrates that reversible covalent inhibition of the serine protease enteropeptidase is a therapeutically viable approach to the treatment of metabolic diseases and that mechanistic details of inhibition are relevant to clinical efficacy. Our mechanistic and kinetic studies outline a framework for detailed inhibitor characterization that is proving essential in guiding discovery efforts in this area.

Published
2020
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8. Discovery of a novel series of guanidinebenzoates as gut-restricted enteropeptidase and trypsin dual inhibitors for the treatment of metabolic syndrome

Author

James N. Leonard, Weimei Sun, Mina Wang, Kamal Albarazanji, James Lenhard, James C. Lanter, Mark J. Macielag, Maxwell D. Cummings, Xuqing Zhang, Bin Zhu, and Brahma Ghosh

Subjects
Enteropeptidase, Trypsin inhibitor, Clinical Biochemistry, Pharmaceutical Science, CHO Cells, Diet, High-Fat, 01 natural sciences, Biochemistry, Benzoates, Guanidines, Feces, Structure-Activity Relationship, Cricetulus, Drug Discovery, Aqueous solubility, medicine, Animals, Humans, Obesity, Molecular Biology, Metabolic Syndrome, Molecular Structure, 010405 organic chemistry, Chemistry, Organic Chemistry, Proteins, medicine.disease, Trypsin, 0104 chemical sciences, Bioavailability, Protein excretion, Mice, Inbred C57BL, 010404 medicinal & biomolecular chemistry, Molecular Medicine, Cattle, Metabolic syndrome, Trypsin Inhibitors, medicine.drug
Abstract

A novel series of guanidinebenzoate enteropeptidase and trypsin dual inhibitors has been discovered and SAR studies were conducted. Optimization was focused on improving properties for gut restriction, including increased aqueous solubility, lower cellular permeability, and reduced oral bioavailability. Lead compounds were identified with efficacy in a mouse fecal protein excretion study.

Published
2021

9. 1393-P: Residential Inequality and Birth Outcomes of Gestational Diabetes

Author

Mitchell R. Fawcett, Leela Thomas, James Lenhard, and Claudine Jurkovitz

Subjects
Inequality, Singleton, business.industry, Endocrinology, Diabetes and Metabolism, media_common.quotation_subject, Census, medicine.disease, Gestational diabetes, Race (biology), Internal Medicine, medicine, Population study, Residence, business, Socioeconomic status, Demography, media_common
Abstract

Introduction: Clinical studies have found disparities in gestational diabetes mellitus (GDM) outcomes due to individual racial and economic differences. In contrast, this pilot study examines the association of structures variations with GDM outcomes by race. Methods: Data were obtained from a healthcare system for a study population of 2,189 women with GDM, 18 years and above, singleton births, who delivered between January 1, 2014 and December 31, 2018. Clinical data were merged with structural measures of mothers’ census tracts of residence from the U.S. Census Bureau. Outcome variables are mother and infant birth complications. Data are analyzed using zero correlations by race. Results: Mother’s: white mothers tended to have fewer complications (r=-0.07, p Conclusion: Selected results show variations in complications among different races by neighborhood characteristics. The influence of race on GDM outcomes is linked to income and socioeconomic status. Income may be more important to GDM outcomes than race. Disclosure L. Thomas: None. M.R. Fawcett: None. C. Jurkovitz: None. J. Lenhard: Speaker’s Bureau; Self; Janssen Pharmaceuticals, Inc. Funding National Institutes of Health (U54GM104941)

Published
2020
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10. Altered tricarboxylic acid cycle flux in primary myotubes from severely obese humans

Author

James Lenhard, Donghai Zheng, Terry E. Jones, Kai Zou, J. Matthew Hinkley, Sanghee Park, G. Lynis Dohm, Walter J. Pories, Pamela J. Hornby, and Joseph A. Houmard

Subjects
Adult, Male, Pyruvate decarboxylation, medicine.medical_specialty, Endocrinology, Diabetes and Metabolism, medicine.medical_treatment, Citric Acid Cycle, Muscle Fibers, Skeletal, Primary Cell Culture, Medicine (miscellaneous), 030209 endocrinology & metabolism, 03 medical and health sciences, chemistry.chemical_compound, 0302 clinical medicine, Internal medicine, medicine, Humans, Glycolysis, 030212 general & internal medicine, Glycogen synthase, Cells, Cultured, Nutrition and Dietetics, biology, Glycogen, Insulin, Tricarboxylic Acids, Skeletal muscle, Obesity, Morbid, Citric acid cycle, medicine.anatomical_structure, Endocrinology, chemistry, Anaerobic glycolysis, biology.protein, Carbohydrate Metabolism, Female
Abstract

The partitioning of glucose toward glycolytic end products rather than glucose oxidation and glycogen storage is evident in skeletal muscle with severe obesity and type 2 diabetes. The purpose of the present study was to determine the possible mechanism by which severe obesity alters insulin-mediated glucose partitioning in human skeletal muscle. Primary human skeletal muscle cells (HSkMC) were isolated from lean (BMI = 23.6 ± 2.6 kg/m2, n = 9) and severely obese (BMI = 48.8 ± 1.9 kg/m2, n = 8) female subjects. Glucose oxidation, glycogen synthesis, non-oxidized glycolysis, pyruvate oxidation, and targeted TCA cycle metabolomics were examined in differentiated myotubes under basal and insulin-stimulated conditions. Myotubes derived from severely obese subjects exhibited attenuated response of glycogen synthesis (20.3%; 95% CI [4.7, 28.8]; P = 0.017) and glucose oxidation (5.6%; 95% CI [0.3, 8.6]; P = 0.046) with a concomitant greater increase (23.8%; 95% CI [5.7, 47.8]; P = 0.004) in non-oxidized glycolytic end products with insulin stimulation in comparison to the lean group (34.2% [24.9, 45.1]; 13.1% [8.6, 16.4], and 2.9% [−4.1, 12.2], respectively). These obesity-related alterations in glucose partitioning appeared to be linked with reduced TCA cycle flux, as 2-[14C]-pyruvate oxidation (358.4 pmol/mg protein/min [303.7, 432.9] vs. lean 439.2 pmol/mg protein/min [393.6, 463.1]; P = 0.013) along with several TCA cycle intermediates, were suppressed in the skeletal muscle of severely obese individuals. These data suggest that with severe obesity the partitioning of glucose toward anaerobic glycolysis in response to insulin is a resilient characteristic of human skeletal muscle. This altered glucose partitioning appeared to be due, at least in part, to a reduction in TCA cycle flux.

Published
2018
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11. Evaluating an Analytical Model to Predict Subsurface LNAPL Distributions and Transmissivity from Current and Historic Fluid Levels in Groundwater Wells: Comparing Results to Numerical Simulations

Author

John L. Rayner, Robert James Lenhard, Greg B. Davis, and Kaveh Sookhak Lari

Subjects
0208 environmental biotechnology, Environmental science, Soil science, 02 engineering and technology, 010501 environmental sciences, Current (fluid), 01 natural sciences, Groundwater, 020801 environmental engineering, 0105 earth and related environmental sciences, Water Science and Technology, Civil and Structural Engineering
Published
2018
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12. Testing an Analytical Model for Predicting Subsurface LNAPL Distributions from Current and Historic Fluid Levels in Monitoring Wells: A Preliminary Test Considering Hysteresis

Author

Jonás García-Rincón, John L. Rayner, and Robert James Lenhard

Subjects
lcsh:Hydraulic engineering, Capillary action, 0208 environmental biotechnology, Geography, Planning and Development, 02 engineering and technology, 010501 environmental sciences, Aquatic Science, 01 natural sciences, Biochemistry, lcsh:Water supply for domestic and industrial purposes, Single site, lcsh:TC1-978, Drainage, 0105 earth and related environmental sciences, Water Science and Technology, geography, lcsh:TD201-500, geography.geographical_feature_category, Petroleum engineering, 020801 environmental engineering, lnapl modeling, Environmental science, lnapl saturations, Saturation (chemistry), lnapl recoverability, Water well, Field conditions
Abstract

Knowledge of subsurface light nonaqueous phase liquid (LNAPL) saturation is important for developing a conceptual model and a plan for addressing LNAPL contaminated sites. Investigators commonly predict LNAPL mobility and potential recoverability using information such as LNAPL physical properties, subsurface characteristics, and LNAPL saturations. Several models exist that estimate the LNAPL specific volume and transmissivity from fluid levels in monitoring wells. Commonly, investigators use main drainage capillary pressure&ndash, saturation relations because they are more frequently measured and available in the literature. However, main drainage capillary pressure&ndash, saturation relations may not reflect field conditions due to capillary pressure&ndash, saturation hysteresis. In this paper, we conduct a preliminary test of a recent analytical model that predicts subsurface LNAPL saturations, specific volume, and transmissivity against data measured at a LNAPL contaminated site. We call our test preliminary because we compare only measured and predicted vertical LNAPL saturations at a single site. Our results show there is better agreement between measured and predicted LNAPL saturations when imbibition capillary pressure&ndash, saturation relations are employed versus main drainage capillary pressure&ndash, saturation relations. Although further testing of the model for different conditions and sites is warranted, the preliminary test of the model was positive when consideration was given to capillary pressure&ndash, saturation hysteresis, which suggests the model can yield reasonable predictions that can help develop and update conceptual site models for addressing subsurface LNAPL contamination. Parameters describing capillary pressure&ndash, saturation relations need to reflect conditions existing at the time when the fluid levels in a well are measured.

Published
2019

13. An approach to optimize the location of LNAPL recovery wells using the concept of a LNAPL specific yield

Author

Robert James Lenhard, Hamid Reza Nassery, Fatemeh Ebrahimi, and Mohammad Nakhaei

Subjects
Groundwater contamination, Petroleum engineering, Environmental remediation, Health, Toxicology and Mutagenesis, Water Wells, Borehole, Oil and Gas Industry, General Medicine, 010501 environmental sciences, Iran, 01 natural sciences, Pollution, Waste Disposal, Fluid, Hydrocarbons, Management strategy, Soil, Storage tank, Petroleum processing, Environmental Chemistry, Environmental science, Groundwater, Water Pollutants, Chemical, 0105 earth and related environmental sciences, Forecasting
Abstract

Leakage of hydrocarbon fuel (light nonaqueous-phase liquid, LNAPL) from petroleum processing facilities and storage tanks may result in significant subsurface contamination. Remediating the contaminated areas represent considerable challenges, especially when remediation resources are limited and site data are incomplete. A reasonable management strategy under this scenario may be to identify sites where LNAPL recovery operations should be located that would provide the largest LNAPL recovery initially while minimizing the LNAPL remaining in the subsurface (entrapped and residual LNAPL), which may serve as future sources for groundwater contamination. To accomplish this objective, we use estimates of subsurface recoverable and total LNAPL specific volumes and LNAPL transmissivities to generate GIS maps that can be combined to highlight locations where to develop LNAPL recovery operations. When the approach is applied to a LNAPL-contaminated area in Iran, we were able to narrow the locations for potential LNAPL recovery operations. Specifically, we combine maps of the LNAPL specific yield, an introduced term, and the LNAPL transmissivity where the LNAPL specific yield is the ratio of the recoverable to total LNAPL specific volumes. The LNAPL specific yield is a relative measure of the amount of LNAPL that potentially can be recovered while minimizing residual LNAPL in soils. The approach can be applied to sites where the recoverable and total LNAPL specific volumes and LNAPL transmissivities can be estimated using data from boreholes in the contaminated area.

Published
2019

14. Dulaglutide and renal outcomes in type 2 diabetes: an exploratory analysis of the REWIND randomised, placebo-controlled trial

Author

Hertzel C Gerstein, Helen M Colhoun, Gilles R Dagenais, Rafael Diaz, Mark Lakshmanan, Prem Pais, Jeffrey Probstfield, Fady T Botros, Matthew C Riddle, Lars Rydén, Denis Xavier, Charles Messan Atisso, Leanne Dyal, Stephanie Hall, Purnima Rao-Melacini, Gloria Wong, Alvaro Avezum, Jan Basile, Namsik Chung, Ignacio Conget, William C Cushman, Edward Franek, Nicolae Hancu, Markolf Hanefeld, Shaun Holt, Petr Jansky, Matyas Keltai, Fernando Lanas, Lawrence A Leiter, Patricio Lopez-Jaramillo, Ernesto German Cardona Munoz, Valdis Pirags, Nana Pogosova, Peter J Raubenheimer, Jonathan E Shaw, Wayne H-H Sheu, Theodora Temelkova-Kurktschiev, Mercedes Abella, Andrea Alebuena, Sandra Almagro, Eduardo Amoroso, Paula Anadon, Elizabeth Andreu, Guillermo Aristimuño, Maria Arzadun, Maria Barbieri, Raul Barcudi, Ines Bartolacci, Gabriel Bolobanich, Anselmo Bordonava, Miguel Bustamante Labarta, Betina Bustos, Alberto Caccavo, Alejandra Camino, Maria Cantero, Maria Carignano, Luis Cartasegna, Marcela Cipullo, Víctor Commendatore, Victoria Conosciuto, Osvaldo Costamagna, Claudia Crespo, Jose Cuello, Carlos Cuneo, Sandra Cusimano, Sofia Dean, Claudio Dituro, Andrea Dominguez, Miguel Farah, Alberto Fernandez, Florencia Fernandez, Adriana Ferrari, Patricia Flammia, Jose Fuentealba, Karina Beatriz Gallardo, Celso Garcia, Ruben Garcia Duran, Marcelo Garrido, Rodolfo Gavicola, Claudio Gerbaudo, Graciela Gilli, Ana Paula Giotto, Pedro Godoy Bolzán, Oscar Gomez Vilamajo, Fernando Guerlloy, Cristian Guridi, Narcisa Gutierrez Garrido, Eduardo Hasbani, Sonia Hermida, Miguel Hominal, Adrian Hrabar, Adrián Ingaramo, Alejandra Izzicupo, Mario Krynski, Mariana Lagrutta, Paulina Lanchiotti, Maria Langhe, Veronica Leonard, Javier Llanos, Ricardo Lopez Santi, Jorge Lowenstein, Cecilia Luquez, Ignacio Mackinnon, Melina Mana, Sara Manzur, Javier Marino, Carolina Martella, Roger Martinez, Re Matias, Javier Matkovich, Monica Meritano, Oscar Montaña, María Mulazzi, Juan Ochoa, Gustavo Paterlini, María Pelagagge, Maria Elena Peralta Lopez, Aldo Prado, Lorena Pruyas, Martín Racca, Carola Ricotti, Carolina Rodriguez, Mariano Romero Vidomlansky, Ricardo Ronderos, Ana Laura Sadowski, Jorgelina Sala, Alejandro Sánchez, Andrea Santoro, Lilia Schiavi, Mariano Sein, Virginia Sernia, Leonardo Serra, Maximiliano Sicer, Tomas Smith, Leonardo Soso, Georgina Sposetti, Andrea Steinacher, Jorge Stival, Jorge Tedesco, Hugo Tonin, Mauro Tortolo, Maria Ulla, Julio Vallejos, Marisa Vico, Luciana Virgillito, Virginia Visco, Daniel Vogel, Florencia Waisman, César Zaidman, Noemi Zucchiatti, Imran Badshah, Neale Cohen, Peter Colman, David Colquhoun, Timothy Davis, Spiros Fourlanos, Greg Fulcher, Jane Hamlyn, Cilla Haywood, Samantha Hocking, Maeve Huchinson, William Jeffries, Mervyn Kyl, Clement Lo, PeakMann Mah, Ashley Makepeace, Dolly Marope, Natalie Nanayakkar, Alison Nankervis, Neil Palmer, Barbara Palolus, Satish Pillai, Sarah Price, Joseph Proietto, Anne Reutens, Natassia Rodrigo, Abdul Sheikh, Greg Smith, Michelle So, Georgia Soldatos, Bronwyn Stuckey, Priya Sumithran, Helena Teede, Parind Vora, Lyn Williams, Eduardo Abib, Christiani Adão Poço, Érica Ferreira Alves, Janaina Andreatta Bernardi Barea, Livia Avezum Oliveira, Denise Ludovico da Costa de Castro, Ivan Correa da Cruz, Midiã Costa, Ivan Cruz, Sidney Cunha, Marco Antonio Vieira Da Silva, Renata de Carvalho Camara Bona, Bruna de Paula, Freddy Eliaschewitz, Guilherme Fazolli, Carlos Alberto Ferreira Filho, Jose Fortes, Cesar França, Denise Reis Franco, Paulo Roberto Genestreti, Flavio Giorgeto, Rodrigo Marques Gonçalves, Michele Elka Grossman, Ana Claudia Henrique Marcelino, Mauro Hernandes, Ana Horta, Cristiano Jaeger, Midia Kaneblai, Cecilia Kauffman Rutenberg, Jose Francisco Kerr Saraiva, Maria Angelica Lemos, Lilia Maia, Euler Roberto Manenti, Mariana Marques, Cynthia Melissa Valerio, Rodrigo Moreira, Flávia Mothé, Osana Maria Mouco, Philip Moura, José Carlos Moura Jorge, Carlos Nakashima, Marcelo Nakazone, Thiago Napoli, Cristiane Nunes, Joao Eduardo Nunes Salles, Karla Oliveira, Marcela Oliveira, Gracielly de Souza Pantano, Fabio Petri, Leonardo Piazza, Andreia Carla Pires, Patricia Pizzato, Sergio Prata, Dalton Precoma, Rafael Rech, Gilmar Reis, Heleno Reis, Elisabete Resende, Jose Ribas Fortes, Sylka Rodovalho, Fabio Rossi dos Santos, Joao Eduardo Salles, Célia Regina Sampaio, Thiago Santos, Vanessa Santos dos Santos, Tulio Silva e Quadros, Daniel Silveira, Katia Nunes Siqueira, M Teireira, Marcelo Uehara, C Valerio, Henrique Vianna, Maria Helena Vidotti, Guilherme de Lima Visconti, Maria Teresa Zanella, Viktoriya Andreeva, Radoslav Borisov, Nikolay Botushanov, Georgi Dimitrov, Kameliya Dimova, Tsvetan Dragoychev, Valentina Grigorova, Valentina Gushterova, Ivaylo Ivanov, Tatyana Kocelova, Dimo Kurktschiev, Milena Miletieva, Neli Nenkova-Gugusheva, Ralitsa Pancheva, Maria Pavlova, Dimitar Raev, Vesela Spasova, Anastas Stoikov, Dimitar Troev, Todor Yanev, Mariana Yoncheva-Mihaylova, Alexander Abitbol, Buki Ajala, Abdullh Alguwaihes, Jean-Luc Ardilouze, Nahla Aris-Jilwan, Amel Arnaout, Ronnie Aronson, Nadeem Aslam, Sandra Babin, Jean-Patrice Bailargeon, Allan Bailey, Harpreet Bajaj, Christian Beauchesne, Sorin Beca, Andre Belanger, Alan Bell, Diego Bellabarba, Lori Berard, Brian Berenbaum, Vincent Bergeron, Joseph Berlingieri, Frédéric Bernier, Phoebe Bishara, David Blank, Ian Blumer, Suzanne Brault, Donald Breton, André Carpentier, James Cha, Prakash Chandra, Jean-Louis Chiasson, James R Conway, Ghyslaine Couture, Nathalie Couture, Gilles Dagenais, Dyotirmoy Datta, Giuseppe D'Ignazio, Richard Dumas, Didier Fay, Andre Frechette, Louise Frenette, Daisy Fung, Nathalie Gagnon, Meri Galter, Jean Garon, Jean Sebastien Gauthier, Christian Geadah, Jeremy Gilbert, Ronald Girard, Ronald Goldenberg, Loren David Grossman, Nikhil Gupta, Jean-Pierre Halle, Marie-France Hivert, Ghislaine Houde, Robyn Houlden, Irene Hramiak, Ted Jablonski, Akshay Jain Jain, Hasnain Khandwala, Munish Khosla, C Lachance, Emilie Laflamme, Marie-France Langlois, Luc Larivee, Joanne Liutkus, Heather Lochnan, Saleem Malik, Charlotte McDonald, Pravinsagar Mehta, John Mihailidis, Alain Milot, Priya Narula, Patrice Nault, Arun Nayar, William Nisker, Gilles Ouellet, Jean Palardy, Minta Patel, Terri Paul, Sue Pedersen, Patrice Perron, Marie-Hélène Pesant, Paul Poirier, Marie-Claude Poulin, Zubin Punthakee, Waheed Rehman, Stuart Ross, P Sagar, Nouhad Saliba, Sam Sandler, Alicia Schiffrin, Robert Schlosser, Anila Seth-Sharma, Mark Sherman, David Sionit, Tharsan Sivakumar, Juan Soto, Eric St-Amour, Oren Steen, Jack Sussman, Adam Telner, Sheldon Tobe, David-Yaw Twum-Barima, Audrey Van Zanten, Nicole VanRossum, Jonathan Vecchiarelli, Rick Ward, John Wessengel, Stanley Weisnagel, Igor Wilderman, Vincent Woo, Natalia Yakubovich, Jean-Francois Yale, Zeina Yared, Monica Acevedo, Maria Loreto Aguirre, Andres Aizman, Maria Soledad Barroso, Leonardo Cobos, Alfredo Danin Vargas, Barbara Descalzi, Gonzalo Godoy, Elio Grumberg, Rodolfo Lahsen, Gladys Larenas, Eugenia Ortiz, Javier Paredes, Sergio Potthoff, Eva Retamal, Luis Rojas, Manuel Salgado, Claudio Santibanez, Carmen Solis, Benjamin Stokins, Jose Accini, Javier Acebedo, Lina Maria Agudelo Baena, Soraya Alarcon, Juliana Angel, Edgar Arcos, M Aroca Martinez, Leonor Atuesta, Jose Balaguera, Doris Ballestas, Sandra Isabel Barrera, Rosmy Barrios Reyes, Adolfo Bayona, Andres Bermudez, Diego Zarate Bernal, Marco Blanquicett, Victor Bravo, Wendy Bueno, Alvaro Burbano Delgado, Alberto Cadena, Andres Cadena, Sandra Caicedo, Carlos Celemin, Ricardo Consuegra, Cristhian Contreras Pimienta, Kelly Johenis Corredor, Carlos Cure, Lizeth Dayana De La Hoz Rueda, Erika Delgado, Sarahy Diaz, Marta Diego, Anabell Donado, William Encinales Sanabria, Juliana Escobar, Gillian Escorcia, Leonardo Forero, Laura Fuentes, Maria Garcia, Henry Garcia Lozada, Luis Garcia Ortiz, Angela Giraldo, Laura Gomez Gonzalez, Javier Granada, Corina Gutierrez, Natalia Henao, Edwin Hernandez, Olga Maria Herrera Uejbe, Juan Diego Higuera Cobos, Jaime Ibarra Gómez, Edwin Hernandez Jaimes, Monica Jaramillo, Nicolas Jaramillo, Carlos Jaramillo Gomez, Monica Jaramillo Sanchez, Ivonne Jarava Durán, Catalina Lopez Ceballos, Claudia Madrid, Elias María Amastha, Jennifer Mercado, Dora Ines Molina, Jessica Molina Soto, Carlos Montoya, Alexander Morales, Carolina Muñoz, Luis Alejandro Orozco, Oscar Osorio, Jorge Mario Palmera Sanchez, Adwar Peña, Jose Perez, Juan Perez Agudelo, Germán Pérez Amador, Carlos Pertuz, Irina Posada, Carlos Puerta, Adalberto Quintero, Diana Quiroz, Carmen Rendon, Alberto Reyes, Alvaro Reyes, Diana Ripoll, Carlos Rivera, Maria Rocha, Jose F Rodriguez, Kervis Asid Rodriguez Villanueva, Javier Emilio Rodriguez Zabala, Sindy Rojas, Maria Romero, Ricardo Rosero, Angelica Rocio Rosillo Cardenas, Lina Rueda, Gregorio Sanchez, Tatiana Sanchez, Arístides Sotomayor Herazo, Monica Suarez, Mariana Torres, Freddy Trujillo, Miguel Urina, Lazaro Van Strahlen, Carlos Velandia, Carolina Velasquez Guzman, Elizabeth Velazquez, Tatiana Vidal Prada, Juan Pablo Yepez Alvaran, Diego Zarate, Jana Andelova, Radka Benesova, Barbara Buzova, Vladimir Cech, Ida Chodova, Miroslav Choura, Antonin Dufka, Andrea Gamova, Jakub Gorgol, Tomas Hala, Hana Havlova, Dagmar Hlavkova, Petra Horanska, Juliana Ilcisin-Valova, Petra Jenickova, Ondrej Jerabek, Ilona Kantorova, Katerina Kolomaznikova, Iva Kopeckova, Miroslava Kopeckova, Karel Linhart, Tomas Linhart, Jan Malecha, Emilia Malicherova, Dana Neubauerova, Martina Oznerova, Radan Partys, Eva Pederzoliova, Maria Petrusova, Vera Prymkova, Eva Racicka, Ida Reissova, Eva Roderova, Libor Stanek, Alena Striova, Dana Svarcova, Petr Svoboda, Emilia Szeghy Malicharova, Jan Urge, Ladislav Vesely, Bedich Wasserburger, Hilde Wasserburgerova, Emil Zahumensky, Vaclav Zamrazil, Hasan Alawi, Ernestos Anastasiadis, Elisabeth Axthelm, Tasso Bieler, Christina Buhrig, Elizaveta Degtyareva, Frank Dellanna, Karl-Michael Derwahl, Stephan Diessel, Barbara Dogiami, Kirsten Dorn-Weitzel, Monika Ernst, Grit Faulmann, Baerbel Fetscher, Thomas Forst, Gabriele Freyer-Lahres, Klaus Funke, Xenia Ganz, Christiane Gleixner, Christoph Hanefeld, Sven Heinrichs, Stephanie Helleberg, Elena Henkel, Gerd Ruediger Hetzel, Caren Hoffmann, Frohmut Jacob, Stephan Jacob, Franziska John, Antonius Jonczyk, Wolfram Kamke, Christiane Klein, Martina Kleinhardt, Werner Kleophas, Christine Kosch, Kristin Kreutzmann, Achim Kühn, Young Hee Lee-Barkey, Alexander Lier, Sarah Maatouk, Joachim Minnich, Michael Mitry, Ilona Muessig, Diana Nicula, Martina Niemann, Joerg Nothroff, Petra Ott, Andreas Pfuetzner, Andreas Pfützner, Frank Pistrosch, Wildgard Pohl, Zdenka Prochazkova, Marlena Retkowska, Heiko Rosin, Daniela Sachsenheimer, Holger Samer, Mazin Sanuri, Axel Schaefer, Frank Schaper, Erik-Delf Schulze, Marita Schulze, Martina Schumann, Thomas Segiet, Veronika Sowa, Hans-Detlev Stahl, Franziska Steinfeldt, Madlen Teige, Bjoern Trieb, Diethelm Tschoepe, Peter Uebel, Bernd Warken, Ingo Weigmann, Klaus Weyland, Klara Wilhelm, Timea Balo, Miklos Balsay, Ilona Bende, Katalin Bezzegh, Zita Birkus, Barbara Buday, Melinda Csomai, Laszlo Deak, Eniko Dezso, Peter Faludi, M Faluvegi, Ilona Fazekas, Agota Feher, Csaba Fejer, Ervin Finta, Agnes Fulcz, Zsolt Gaal, Mihaly Gurzo, Krisztina Hati, Gabriella Herczeg, Ildiko Jozsef, Marta Juhasz, Katalin Keltai, Laszlo Koranyi, Eniko Kulcsar, Krisztina Kun, Andrea Laczko, Botond Literáti-Nagy, Izabella Mezo, Margit Mileder, I Moricz, Károly Nagy, Bela Nagybaczoni, Csaba Nemeth, Agnes Oze, Jozsef Pauer, Eva Peterfai, Bela Polocsanyi, Ferenc Poor, István Reiber, Csaba Salamon, Julia Sebestyen, Ildiko Torok, Marianna Tuu, Andrea Varga, Viktor Vass, Chul Min Ahn, Chulwoo Ahn, Park ByungWon, Hyuk-Jae Chang, Kiyuk Chang, Eui-Young Choi, Han Seok Choi, Jin-Wook Chung, Bum- Kee Hong, Young Joon Hong, Min Su Hyon, Myung Ho Jeong, Shinae Kang, Byeong-Keuk Kim, Ji-Hyun Kim, Ju Han Kim, Kee-Sik Kim, Moo Hyun Kim, Pum-Joon Kim, Soon-Kil Kim, Yong-Seok Kim, Young Kwon Kim, Yoon Seok Koh, Hyuck Moon Kwon, Byoung Kwon Lee, Byung-Wan Lee, Jin Bae Lee, Myoung-Mook Lee, Young-Mee Lim, Pil Ki Min, Jong Sung Park, Jongsuk Park, Keun Ho Park, Sungha Park, Wook Bum Pyun, Se Joong Rim, Dong-Ryeol Ryu, Hong-Seog Seo, Ki Bae Seung, Dong-Ho Shin, Doo Sun Sim, Young Won Yoon, Ilze Andersone, Kristine Babicka, Inga Balcere, Roberts Barons, Inguna Capkovska, Kristine Geldnere, Inese Grigane, Baiba Jegere, Ilze Lagzdina, Lija Mora, Sigita Pastare, Rota Ritenberga, Janina Romanova, Inta Saknite, Natalja Sidlovska, Jelena Sokolova, Sandra Steina, Iveta Strizko, Dace Teterovska, Brigita Vizina, Lina Barsiene, Gintare Belozariene, Laura Daugintyte-Petrusiene, Nijole Drungiliene, Nijole Garsviene, Ala Grigiene, Vytautas Grizas, Virginija Jociene, Dalia Kalvaitiene, Jugeta Kaupiene, Jurate Kavaliauskiene, Dalia Kozloviene, Ilona Lapteva, Birute Maneikiene, Jolanta Marcinkeviciene, Vaidilija Markauskiene, Salomeja Meiluniene, Almantas Norkus, Rita Norviliene, Vladimiras Petrenko, Ruta Radzeviciene, Gintare Sakalyte, Gediminas Urbonas, Skaiste Urbutiene, Donatas Vasiliauskas, Dzilda Velickiene, Carlos Aguilar, Marco Alcocer, Juan Antonio Avalos-Ramirez, Ramiro Banda-Elizondo, Rubria Bricio-Ramirez, Karla Cardenas Mejia, Francisco Cavazos, Jesus Chapa, Erika Cienfuegos, Astrid De la Peña, Gilberto de la Peña Topete, Manuel Odin De los Rios Ibarra, Daniel Elias, Claudia Flores-Moreno, Pedro Garcia Hernandez, Luis Gerardo Gonzalez, Rosa Linda Guerra Moya, Arturo Guerra-Lopez, Raymundo Hernandez Baylon, Carolina Herrera Colorado, Marisol Herrera-Marmolejo, Neri Islas-Palacios, Esteban Lopez, Fernando Lopez, Agustin Lopez Alvarado, Rosa Isela Luna Ceballos, Enrique Morales Villegas, Gualberto Moreno-Virgen, Rosa Linda Parra Perez, Sara Pascoe Gonzalez, Irving Peralta-Cantu, Roopa Previn, Rosa Ramirez, Rubria Ramirez, Maria Guadalupe Ramos Zavala, Monica Rodriguez, Rocio Salgado-Sedano, Ana Claudia Sanchez-Aguilar, Edith Santa Rosa Franco, Leobardo Sauque-Reyna, Rodrigo Suarez Otero, Ivonne Torres, Enrique Velarde-Harnandez, Juan Villagordoa, Efrain Villeda-Espinoza, Jorge Vital-Lopez, Cristian Jair Zavala- Bello, John Baker, Elaine Barrington-Ward, Thomas Brownless, Richard Carroll, Simon Carson, Michelle Choe, Andrew Corin, Brian Corley, Richard Cutfield, Neelam Dalaman, Paul Dixon, Paul Drury, Keith Dyson, Chris Florkowski, Monica Ford, William Frengley, Colin Helm, Colin Katzen, Jane Kerr, Manish Khanolkar, David Kim, Renata Koops, Jeremy Krebs, Robert Leikis, Kwan Low, Alison Luckey, Richard Luke, Susan Macaulay, Rodney Marks, Catherine McNamara, Dean Millar-Coote, Steven Miller, Naomi Mottershead, James Reid, Narcisa Robertson, Ian Rosen, David Rowe, Ole Schmiedel, Russell Scott, Jeffrey Sebastian, Davitt Sheahan, Victoria Stiebel, Ian Ternouth, Chris Tofield, Dirk Venter, Michael Williams, Miles Williams, Fiona Wu, Simon Young, Malgorzata Arciszewska, Anna Bochenek, Piotr Borkowski, Przemyslaw Borowy, Tomasz Chrzanowski, Edward Czerwinski, Marek Dwojak, Agnieszka Grodzicka, Izabela Janiec, Joanna Jaruga, Ewa Krystyna Jazwinska-Tarnawska, Krystyna Jedynasty, Danuta Juzwiak-Czapiewska, Jadwiga Karczewicz-Janowska, Jan Konieczny, Marek Konieczny, Marek Korol, Maciej Kozina, Ewa Krzyzagorska, Ewa Kucharczyk-Petryka, Roman Laz, Anna Majchrzak, Zdzislawa Mrozowska, Michal Mularczyk, Elzbieta Nowacka, Jadwiga Peczynska, Robert Petryka, Radoslaw Pietrzak, Dorota Pisarczyk-Wiza, Aleksandra Rozanska, Zofia Ruzga, Emilia Rzeszotarska, Malgorzata Sacha, Marzenna Sekulska, Anna Sidorowicz-Bialynicka, Teresa Stasinska, Agnieszka Strzelecka-Sosik, Teresa Swierszcz, Katarzyna Miroslawa Szymkowiak, Olga Turowska, Krystyna Wisniewska, Maciej Wiza, Iwona Wozniak, Katarzyna Zelazowska, Bernadetta Ziolkowska-Gawron, Danuta Zytkiewicz-Jaruga, Adrian Albota, Carmina Alexandru, Rodica Avram, Cornelia Bala, Diana Barbonta, Roxana Barbu, Daniela Braicu, Nicoleta Calutiu, Doina Catrinoiu, Anca Cerghizan, Alina Ciorba, Anca Craciun, Rodica Doros, Livia Duma, Ancuta Dumitrache, Ioana Ferariu, Anca Ferician Moza, Alexandrina Ghergan, Gheorghe Ghise, Mariana Graur, Mihaela Gribovschi, Bogdan Mihai, Laura Mihalache, Madalina Mihalcea, Nicoleta Mindrescu, Magdalena Morosanu, Andrea Morosoanu, Maria Mota, Anca Moza, Valerica Nafornita, Narcisa Natea, Simona Nicodim, Cristina Nita, Adriana Onaca, Mircea Onaca, Cristina Pop, Lavinia Pop, Amorin Popa, Alexandrina Popescu, Luchiana Pruna, Gabriela Roman, Mihaela Rosu, Alexandra Sima, Doina Sipciu, Carmen Narcisa Sitterli-Natea, Iosif Szilagyi, Minodora Tapurica, Adrian Tase, Adriana-Carmen Tutescu, Luminita Vanghelie, Ioana Verde, Adrian Vlad, Mihaela Zarnescu, Roman Akhmetov, Irina Allenova, Irina Avdeeva, Oksana Baturina, Irina Biserova, Nikolay Bokovin, Irina Bondar, Natalia Burova, Galina Chufeneva, Elena Chumachek, Marina Demidova, Alexander Demin, Vera Drobysheva, Irina Egorova, Lev Esenyan, Ekaterina Gelig, Sergey Gilyarevsky, Maria Golshmid, Arseniy Goncharov, Anastasia Gorbunova, Ivan Gordeev, Vera Gorelysheva, Tatiana Goryunova, Irina Grebenshchikova, Roman Ilchenko, Maria Ivannikova, Saule Karabalieva, Juliya Karpeeva, Elena Khaykina, Zhanna Kobalava, Irina Kononenko, Oxana Korolik, Anna Korshunova, Victor Kostenko, Irina Krasnopevtseva, Ludmila Krylova, Polina Kulkova, Irina Kuzmina, Alla Ledyaeva, Sergey Levashov, Natalia Lokhovinina, Vadim Lvov, Narine Martirosyan, Sergey Nedogoda, Rostislav Nilk, Yulia Osmolovskaya, Alexey Panov, Olga Paramonova, Ekaterina Pavlova, Elena Pekareva, Nina Petunina, Svetlana Ponamareva, Galina Reshedko, Alla Salasyuk, Malvina Sepkhanyan, Alexandr Serebrov, Olesya Shabelnikova, Andrey Skvortsov, Olga Smirnova, Oxana Spiridonova, Svetlana Strogova, Evgeny Taratukhin, Sergey Tereschenko, Lubov Trukhina, Olga Tsarkova, Vera Tsoma, Farid Tumarov, Natalya Tyan, Tatiana Tyurina, Svetlana Villevalde, Elena Yankovaya, Ludmila Zarutskaya, Elena Zenkova, Aysha Badat, Frederik Bester, Suzanne Blignaut, Dirk Blom, Susan Booysen, Warren Boyd, Brigitte Brice, Susan Brown, Lesley Burgess, Reina Cawood, Kathleen Coetzee, Hillet Conradie, Tanja Cronje, Douwe de Jong, Graham Ellis, Shaunagh Emanuel, Ingrid Engelbrecht, Sharne Foulkes, Done Fourie, Gilbert Gibson, Thirumani Govender, Sumayah Hansa, Allana Colleen Hemus, Firzana Hendricks, Marshall Heradien, Chantelle Holmgren, Zaheer Hoosain, Emile Horak, Johannes Howard, Ignatius Immink, E. Janari, Daksha Jivan, Karl Klusmann, Weik Labuschagne, Yen-yu Lai, Gulam Latiff, J. Lombaard, Hanlie Lottering, Ronel Meeding, Shirley Middlemost, Haroon Mitha, Ismail Mitha, Sandile Mkhwanazi, Rajendran Moodley, Almeri Murray, Dany Musungaie, Yasmin Osman, Kirsten Peacey, Larisha Pillay-Ramaya, Catharina Pretorius, Hans Prozesky, Mahomed Sarvan, E Scholtz, Attila Sebesteny, Bianca Skinner, Michael Skriker, M Smit, Anna-Marie Stapelberg, Nicolaas Swanepoel, Dorothea Urbach, Dina van Aswegen, Francois van Zyl, Louis Van Zyl, Esme Venter, Shahid Wadvalla, Jeffrey Wing, Karen Wolmarans, Cristina Abreu, Pilar Aguilà, Eva Aguilera, Nuria Alonso, Carmen Alvarez, Priscila Cajas, Jose Carlos Castro, Roger Codinachs, Jose Contreras, Maria Jose Coves, Carmen Fajardo, Juan Carlos Ferrer, Neus Font, Mar Garcia, Maria Apolonia Gil, Fernando Gomez, Lluis Alberto Gomez, Jose Gonzalbez, Jose Luis Griera, Luís Masmiquel, Didac Mauricio, Silvia Narejos Perez, Juana Ana Nicolau, Olga Noheda Contreras, Josefina Olivan, Josefina Olivares, Emilio Ortega, Silvia Pellitero, Salvador Pertusa, Ferran Rius, Irene Rodriguez, Carlos Sánchez-Juan, Dolores Santos, Berta Soldevila, David Subias, Manel Terns, Carlos Trescoli, Judith Vilaplana, Alicia Villanueva, Jaan Albo, Kjell Antus, Mattias Axelsson, Lisa Bergström, Emil Binsell-Gerdin, Kurt Boman, Fabian Botond, Annika Dotevall, Anna Graipe, C Jarnet, Jessica Kaminska, Anders Kempe, Michael Korhonen, Carina Linderfalk, Bo Liu, Karl Ljungstroem, Karl Ljungström, Lennart Malmqvist, Linda Mellbin, Thomas Mooe, Peter Nicol, Anders Norrby, Ake Ohlsson, Annika Rosengren, Jan Saaf, Staffan Salmonsson, Olof Strandberg, Karl-Axel Svensson, Bengt-Olov Tengmark, Georgios Tsatsaris, Anders Ulvenstam, Peter Vasko, Chwen-Tzuei Chang, Hsin-Mei Chang, Jung-Fu Chen, To-Pang Chen, Ming-Min Chung, Chia-Po Fu, Te-Lin Hsia, Shih-Che Hua, Ming-Chun Kuo, Chia-ln Lee, I-Te Lee, Kae-Woei Liang, Shih Yi Lin, Chieh-Hsiang Lu, Wen-Ya Ma, Dee Pei, Feng-Chih Shen, Ching-Chieh Su, Shuo-Wei Su, Tsai-Sung Tai, Wan-Ni Tsai, Yi-Ting Tsai, Shih-Chen Tung, Jun-Sing Wang, Hui-I Yu, Ahmed Al-Qaissi, Vijayaraman Arutchelvam, Stephen Atkin, Simon Au, Myint Myint Aye, Stephen Bain, Cristina Bejnariu, Patrick Bell, Deepak Bhatnagar, Rudy Bilous, Neil Black, Ursula Brennan, Barbara Brett, Jana Bujanova, Elaine Chow, Andrew Collier, Amanda Combe, Christopher Courtney, Hamish Courtney, James Crothers, Patrick Eavis, Jackie Elliott, Salvatore Febbraro, Jim Finlayson, Rajiv Gandhi, Sharon Gillings, Jonathan Hamling, Roy Harper, Tim Harris, Kahal Hassan, Simon Heller, Alison Jane, Zeeshan Javed, Tim Johnson, Stephen Jones, Adele Kennedy, David Kerr, Brian Kilgallon, Judith Konya, John Lindsay, Lina Lomova-Williams, Helen Looker, David MacFarlane, Sandra Macrury, Iqbal Malik, Rory McCrimmon, Douglas McKeith, John McKnight, Biswa Mishra, Racha Mukhtar, Ciara Mulligan, Maurice O'Kane, Tolu Olateju, Ian Orpen, Tristan Richardson, Desmond Rooney, Shorsha Bae Ross, Thozhukat Sathyapalan, Naveen Siddaramaiah, Lee Euan Sit, Jeffrey Stephens, Frances Turtle, Ammar Wakil, Emma Walkinshaw, Asem Ali, Robert Anderson, Richard Arakaki, Omar Aref, Mehrdad Kevin Ariani, David Arkin, Salomon Banarer, George Barchini, Arti Bhan, Kelley Branch, Donald Brautigam, Stephen Brietzke, Maridez Brinas, Yudit Brito, Casey Carter, Kimberely Casagni, Sabina Casula, Simon Chakko, Seth Charatz, Dale Childress, Lisa Chow, Malgorzata Chustecka, Subha Clarke, Lisa Cohen, Barry Collins, Gildred Colon Vega, Angel Comulada-Rivera, Gregorio Cortes-Maisonet, Matthew Davis, Jose de Souza, Cyrus Desouza, Mary Dinnan, Bobbi Duffy-Hidalgo, Barbara Dunn, Julia Dunn, Marshall Elman, James Felicetta, Stuart Finkelstein, David Fitz-Patrick, Hermes Florez, Alan Forker, Wayne Fowler, Sonja Fredrickson, Zachary Freedman, Brooke Gainey Narron, Kristin Gainey-Ferree, Michael Gardner, Christian Gastelum, Stephen Giddings, Eve Gillespie, Michael Paul Gimness, Gary Goldstein, Maria Gomes, Nelson Gomez, Timothy Gorman, Ketan Goswami, Arthur Graves, Scott Hacking, Charles Hall, Lenita Hanson, Sherman Harman, David Heber, Robert Henry, Janette Hiner, Irl Hirsch, Priscilla Hollander, Thomas Hooker, Barry Horowitz, Laura Hoste, Loli Huang, Minh Huynh, Dan Hyman, Soha Idriss, Ali Iranmanesh, Dennis Karounos, Moti Kashyap, Lois Katz, William Kaye, Yevgeniy Khaiton, Romesh Khardori, Timothy Kitchen, Andrew Klein, Wendi Knffem, Mikhail Kosiborod, Nicola Kreglinger, Davida Kruger, Anubhav Kumar, Ivan Laboy, Patricia Larrabee, Laura Larrick, Donna Lawson, Mike Ledet, James Lenhard, James Levy, George Li, Zhaoping Li, David Lieb, April Limcolioc, Jane Lions-Patterson, Daniel Lorber, Daniel Lorch, Michael Lorrello, Peter Lu, Kathryn Jean Lucas, Siu-Ling Ma, Michael MacAdams, Michelle Magee, Alexander Magno, Aparna Reddy Mahakala, Jennifer Marks, Anthony McCall, William McClanahan, Carole McClary, Lydia Melendez, John Melish, Deanna Michaud, Christopher Miller, Neil Miller, Pablo Mora, Marriyam Moten, Sunder Mudaliar, Gregory Myrick, Puneet Narayan, Mike Nassif, Karena Neri, Tabitha Newton, Patricia Niblack, Philip Nicol, Ebenezer Nyenwe, A. Ola Odugbesan, Yolanda Okorocha, Ramón Ortiz Carrasquillo, Kwame Osei, Coromoto Palermo, Hiren Patel, Krishna Patel, Cindy Pau, Michael Perley, Sanford Plevin, Elena Plummer, Richard Powell, Mohammed Qintar, Rex Rawls, John Reyes-Castano, Lillian Reynolds, Robert Richards, Julio Rosenstock, Caroline Rowe, Jahandar Saleh, Sony Sam, Alfredo Sanchez, Donald Sander, Bruce Sanderson, Virginia Savin, Elizabeth Seaquist, Jayendra Shah, Serena Shi, Vijay Shivaswamy, Tammi Shlotzhauer, David Shore, Bobbie Skukowski, Kyaw Soe, Vesna Solheim, Joseph Soufer, Helmut Steinberg, Jaime Steinsapir, Phillip Tarkington, Debra Thayer, Stephen Thomson, James Thrasher, Joseph Tibaldi, Jeff Tjaden, Oberto Tores, Dace Trence, Subbulaxmi Trikudanathan, Jagdeesh Ullal, Gabriel Uwaifo, Anthony Vo, Kenny Vu, Damandeep Walia, Karen Weiland, Fred Whitehouse, Thomas Wiegmann, Kathleen Wyne, Alan Wynne, Kevin Yuen, Joel Zaretzky, James Zebrack, Franklin Zieve, William Zigrang, and Everest

Subjects
Male, medicine.medical_specialty, medicine.medical_treatment, Recombinant Fusion Proteins, Placebo-controlled study, Glucagon-Like Peptides, 030204 cardiovascular system & hematology, Placebo, law.invention, 03 medical and health sciences, 0302 clinical medicine, Randomized controlled trial, Double-Blind Method, law, Internal medicine, Medicine, Albuminuria, Humans, Hypoglycemic Agents, Diabetic Nephropathies, 030212 general & internal medicine, Renal replacement therapy, Aged, Intention-to-treat analysis, business.industry, Hazard ratio, General Medicine, Middle Aged, medicine.disease, Immunoglobulin Fc Fragments, Diabetes Mellitus, Type 2, Creatinine, Dulaglutide, Female, business, medicine.drug, Kidney disease, Glomerular Filtration Rate
Abstract

Digital, Background: Two glucagon-like peptide-1 (GLP-1) receptor agonists reduced renal outcomes in people with type 2 diabetes at risk for cardiovascular disease. We assessed the long-term effect of the GLP-1 receptor agonist dulaglutide on renal outcomes in an exploratory analysis of the REWIND trial of the effect of dulaglutide on cardiovascular disease. Methods: REWIND was a multicentre, randomised, double-blind, placebo-controlled trial at 371 sites in 24 countries. Men and women aged at least 50 years with type 2 diabetes who had either a previous cardiovascular event or cardiovascular risk factors were randomly assigned (1:1) to either weekly subcutaneous injection of dulaglutide (1·5 mg) or placebo and followed up at least every 6 months for outcomes. Urinary albumin-to-creatinine ratios (UACRs) and estimated glomerular filtration rates (eGFRs) were estimated from urine and serum values measured in local laboratories every 12 months. The primary outcome (first occurrence of the composite endpoint of non-fatal myocardial infarction, non-fatal stroke, or death from cardiovascular causes), secondary outcomes (including a composite microvascular outcome), and safety outcomes of this trial have been reported elsewhere. In this exploratory analysis, we investigate the renal component of the composite microvascular outcome, defined as the first occurrence of new macroalbuminuria (UACR >33·9 mg/mmol), a sustained decline in eGFR of 30% or more from baseline, or chronic renal replacement therapy. Analyses were by intention to treat. This trial is registered with ClinicalTrials.gov, number NCT01394952. Findings: Between Aug 18, 2011, and Aug 14, 2013, 9901 participants were enrolled and randomly assigned to receive dulaglutide (n=4949) or placebo (n=4952). At baseline, 791 (7·9%) had macroalbuminuria and mean eGFR was 76·9 mL/min per 1·73 m2 (SD 22·7). During a median follow-up of 5·4 years (IQR 5·1-5·9) comprising 51 820 person-years, the renal outcome developed in 848 (17·1%) participants at an incidence rate of 3·5 per 100 person-years in the dulaglutide group and in 970 (19·6%) participants at an incidence rate of 4·1 per 100 person-years in the placebo group (hazard ratio [HR] 0·85, 95% CI 0·77-0·93; p=0·0004). The clearest effect was for new macroalbuminuria (HR 0·77, 95% CI 0·68-0·87; p, Ciencias Médicas y de la Salud

Published
2019

15. Dulaglutide and cardiovascular outcomes in type 2 diabetes (REWIND): a double-blind, randomised placebo-controlled trial

Author

Hertzel C Gerstein, Helen M Colhoun, Gilles R Dagenais, Rafael Diaz, Mark Lakshmanan, Prem Pais, Jeffrey Probstfield, Jeffrey S Riesmeyer, Matthew C Riddle, Lars Rydén, Denis Xavier, Charles Messan Atisso, Leanne Dyal, Stephanie Hall, Purnima Rao-Melacini, Gloria Wong, Alvaro Avezum, Jan Basile, Namsik Chung, Ignacio Conget, William C Cushman, Edward Franek, Nicolae Hancu, Markolf Hanefeld, Shaun Holt, Petr Jansky, Matyas Keltai, Fernando Lanas, Lawrence A Leiter, Patricio Lopez-Jaramillo, Ernesto German Cardona Munoz, Valdis Pirags, Nana Pogosova, Peter J Raubenheimer, Jonathan E Shaw, Wayne H-H Sheu, Theodora Temelkova-Kurktschiev, Mercedes Abella, Andrea Alebuena, Sandra Almagro, Eduardo Amoroso, Paula Anadon, Elizabeth Andreu, Guillermo Aristimuño, Maria Arzadun, Maria Barbieri, Raul Barcudi, Ines Bartolacci, Gabriel Bolobanich, Anselmo Bordonava, Miguel Bustamante Labarta, Betina Bustos, Alberto Caccavo, Alejandra Camino, Maria Cantero, Maria Carignano, Luis Cartasegna, Marcela Cipullo, Víctor Commendatore, Victoria Conosciuto, Osvaldo Costamagna, Claudia Crespo, Jose Cuello, Carlos Cuneo, Sandra Cusimano, Sofia Dean, Claudio Dituro, Andrea Dominguez, Miguel Farah, Alberto Fernandez, Florencia Fernandez, Adriana Ferrari, Patricia Flammia, Jose Fuentealba, Karina Beatriz Gallardo, Celso Garcia, Ruben Garcia Duran, Marcelo Garrido, Rodolfo Gavicola, Claudio Gerbaudo, Graciela Gilli, Ana Paula Giotto, Pedro Godoy Bolzán, Oscar Gomez Vilamajo, Fernando Guerlloy, Cristian Guridi, Narcisa Gutierrez Garrido, Eduardo Hasbani, Sonia Hermida, Miguel Hominal, Adrian Hrabar, Adrián Ingaramo, Alejandra Izzicupo, Mario Krynski, Mariana Lagrutta, Paulina Lanchiotti, Maria Langhe, Veronica Leonard, Javier Llanos, Ricardo Lopez Santi, Jorge Lowenstein, Cecilia Luquez, Ignacio Mackinnon, Melina Mana, Sara Manzur, Javier Marino, Carolina Martella, Roger Martinez, Re Matias, Javier Matkovich, Monica Meritano, Oscar Montaña, María Mulazzi, Juan Ochoa, Gustavo Paterlini, María 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Godoy, Elio Grumberg, Rodolfo Lahsen, Gladys Larenas, Eugenia Ortiz, Javier Paredes, Sergio Potthoff, Eva Retamal, Luis Rojas, Manuel Salgado, Claudio Santibanez, Carmen Solis, Benjamin Stokins, Jose Accini, Javier Acebedo, Lina Maria Agudelo Baena, Soraya Alarcon, Juliana Angel, Edgar Arcos, M Aroca Martinez, Leonor Atuesta, Jose Balaguera, Doris Ballestas, Sandra Isabel Barrera, Rosmy Barrios Reyes, Adolfo Bayona, Andres Bermudez, Diego Zarate Bernal, Marco Blanquicett, Victor Bravo, Wendy Bueno, Alvaro Burbano Delgado, Alberto Cadena, Andres Cadena, Sandra Caicedo, Carlos Celemin, Ricardo Consuegra, Cristhian Contreras Pimienta, Kelly Johenis Corredor, Carlos Cure, Lizeth Dayana De La Hoz Rueda, Erika Delgado, Sarahy Diaz, Marta Diego, Anabell Donado, William Encinales Sanabria, Juliana Escobar, Gillian Escorcia, Leonardo Forero, Laura Fuentes, Maria Garcia, Henry Garcia Lozada, Luis Garcia Ortiz, Angela Giraldo, Laura Gomez Gonzalez, Javier Granada, Corina Gutierrez, Natalia Henao, Edwin Hernandez, Olga Maria Herrera Uejbe, Juan Diego Higuera Cobos, Jaime Ibarra Gómez, Edwin Hernandez Jaimes, Monica Jaramillo, Nicolas Jaramillo, Carlos Jaramillo Gomez, Monica Jaramillo Sanchez, Ivonne Jarava Durán, Catalina Lopez Ceballos, Claudia Madrid, Elias María Amastha, Jennifer Mercado, Dora Ines Molina, Jessica Molina Soto, Carlos Montoya, Alexander Morales, Carolina Muñoz, Luis Alejandro Orozco, Oscar Osorio, Jorge Mario Palmera Sanchez, Adwar Peña, Jose Perez, Juan Perez Agudelo, Germán Pérez Amador, Carlos Pertuz, Irina Posada, Carlos Puerta, Adalberto Quintero, Diana Quiroz, Carmen Rendon, Alberto Reyes, Alvaro Reyes, Diana Ripoll, Carlos Rivera, Maria Rocha, Jose F Rodriguez, Kervis Asid Rodriguez Villanueva, Javier Emilio Rodriguez Zabala, Sindy Rojas, Maria Romero, Ricardo Rosero, Angelica Rocio Rosillo Cardenas, Lina Rueda, Gregorio Sanchez, Tatiana Sanchez, Arístides Sotomayor Herazo, Monica Suarez, Mariana Torres, Freddy Trujillo, Miguel Urina, Lazaro Van 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Markauskiene, Salomeja Meiluniene, Almantas Norkus, Rita Norviliene, Vladimiras Petrenko, Ruta Radzeviciene, Gintare Sakalyte, Gediminas Urbonas, Skaiste Urbutiene, Donatas Vasiliauskas, Dzilda Velickiene, Carlos Aguilar, Marco Alcocer, Juan Antonio Avalos-Ramirez, Ramiro Banda-Elizondo, Rubria Bricio-Ramirez, Karla Cardenas Mejia, Francisco Cavazos, Jesus Chapa, Erika Cienfuegos, Astrid De la Peña, Gilberto de la Peña Topete, Manuel Odin De los Rios Ibarra, Daniel Elias, Claudia Flores-Moreno, Pedro Garcia Hernandez, Luis Gerardo Gonzalez, Rosa Linda Guerra Moya, Arturo Guerra-Lopez, Raymundo Hernandez Baylon, Carolina Herrera Colorado, Marisol Herrera-Marmolejo, Neri Islas-Palacios, Esteban Lopez, Fernando Lopez, Agustin Lopez Alvarado, Rosa Isela Luna Ceballos, Enrique Morales Villegas, Gualberto Moreno-Virgen, Rosa Linda Parra Perez, Sara Pascoe Gonzalez, Irving Peralta-Cantu, Roopa Previn, Rosa Ramirez, Rubria Ramirez, Maria Guadalupe Ramos Zavala, Monica Rodriguez, Rocio 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Jun-Sing Wang, Hui-I Yu, Ahmed Al-Qaissi, Vijayaraman Arutchelvam, Stephen Atkin, Simon Au, Myint Myint Aye, Stephen Bain, Cristina Bejnariu, Patrick Bell, Deepak Bhatnagar, Rudy Bilous, Neil Black, Ursula Brennan, Barbara Brett, Jana Bujanova, Elaine Chow, Andrew Collier, Amanda Combe, Christopher Courtney, Hamish Courtney, James Crothers, Patrick Eavis, Jackie Elliott, Salvatore Febbraro, Jim Finlayson, Rajiv Gandhi, Sharon Gillings, Jonathan Hamling, Roy Harper, Tim Harris, Kahal Hassan, Simon Heller, Alison Jane, Zeeshan Javed, Tim Johnson, Stephen Jones, Adele Kennedy, David Kerr, Brian Kilgallon, Judith Konya, John Lindsay, Lina Lomova-Williams, Helen Looker, David MacFarlane, Sandra Macrury, Iqbal Malik, Rory McCrimmon, Douglas McKeith, John McKnight, Biswa Mishra, Racha Mukhtar, Ciara Mulligan, Maurice O'Kane, Tolu Olateju, Ian Orpen, Tristan Richardson, Desmond Rooney, Shorsha Bae Ross, Thozhukat Sathyapalan, Naveen Siddaramaiah, Lee Euan Sit, Jeffrey Stephens, Frances Turtle, Ammar Wakil, Emma Walkinshaw, Asem Ali, Robert Anderson, Richard Arakaki, Omar Aref, Mehrdad Kevin Ariani, David Arkin, Salomon Banarer, George Barchini, Arti Bhan, Kelley Branch, Donald Brautigam, Stephen Brietzke, Maridez Brinas, Yudit Brito, Casey Carter, Kimberely Casagni, Sabina Casula, Simon Chakko, Seth Charatz, Dale Childress, Lisa Chow, Malgorzata Chustecka, Subha Clarke, Lisa Cohen, Barry Collins, Gildred Colon Vega, Angel Comulada-Rivera, Gregorio Cortes-Maisonet, Matthew Davis, Jose de Souza, Cyrus Desouza, Mary Dinnan, Bobbi Duffy-Hidalgo, Barbara Dunn, Julia Dunn, Marshall Elman, James Felicetta, Stuart Finkelstein, David Fitz-Patrick, Hermes Florez, Alan Forker, Wayne Fowler, Sonja Fredrickson, Zachary Freedman, Brooke Gainey Narron, Kristin Gainey-Ferree, Michael Gardner, Christian Gastelum, Stephen Giddings, Eve Gillespie, Michael Paul Gimness, Gary Goldstein, Maria Gomes, Nelson Gomez, Timothy Gorman, Ketan Goswami, Arthur Graves, Scott Hacking, Charles Hall, Lenita Hanson, Sherman Harman, David Heber, Robert Henry, Janette Hiner, Irl Hirsch, Priscilla Hollander, Thomas Hooker, Barry Horowitz, Laura Hoste, Loli Huang, Minh Huynh, Dan Hyman, Soha Idriss, Ali Iranmanesh, Dennis Karounos, Moti Kashyap, Lois Katz, William Kaye, Yevgeniy Khaiton, Romesh Khardori, Timothy Kitchen, Andrew Klein, Wendi Knffem, Mikhail Kosiborod, Nicola Kreglinger, Davida Kruger, Anubhav Kumar, Ivan Laboy, Patricia Larrabee, Laura Larrick, Donna Lawson, Mike Ledet, James Lenhard, James Levy, George Li, Zhaoping Li, David Lieb, April Limcolioc, Jane Lions-Patterson, Daniel Lorber, Daniel Lorch, Michael Lorrello, Peter Lu, Kathryn Jean Lucas, Siu-Ling Ma, Michael MacAdams, Michelle Magee, Alexander Magno, Aparna Reddy Mahakala, Jennifer Marks, Anthony McCall, William McClanahan, Carole McClary, Lydia Melendez, John Melish, Deanna Michaud, Christopher Miller, Neil Miller, Pablo Mora, Marriyam Moten, Sunder Mudaliar, Gregory Myrick, Puneet Narayan, Mike Nassif, Karena Neri, Tabitha Newton, Patricia Niblack, Philip Nicol, Ebenezer Nyenwe, A. Ola Odugbesan, Yolanda Okorocha, Ramón Ortiz Carrasquillo, Kwame Osei, Coromoto Palermo, Hiren Patel, Krishna Patel, Cindy Pau, Michael Perley, Sanford Plevin, Elena Plummer, Richard Powell, Mohammed Qintar, Rex Rawls, John Reyes-Castano, Lillian Reynolds, Robert Richards, Julio Rosenstock, Caroline Rowe, Jahandar Saleh, Sony Sam, Alfredo Sanchez, Donald Sander, Bruce Sanderson, Virginia Savin, Elizabeth Seaquist, Jayendra Shah, Serena Shi, Vijay Shivaswamy, Tammi Shlotzhauer, David Shore, Bobbie Skukowski, Kyaw Soe, Vesna Solheim, Joseph Soufer, Helmut Steinberg, Jaime Steinsapir, Phillip Tarkington, Debra Thayer, Stephen Thomson, James Thrasher, Joseph Tibaldi, Jeff Tjaden, Oberto Tores, Dace Trence, Subbulaxmi Trikudanathan, Jagdeesh Ullal, Gabriel Uwaifo, Anthony Vo, Kenny Vu, Damandeep Walia, Karen Weiland, Fred Whitehouse, Thomas Wiegmann, Kathleen Wyne, Alan Wynne, Kevin Yuen, Joel Zaretzky, James Zebrack, Franklin Zieve, William Zigrang, and Everest

Subjects
Male, medicine.medical_specialty, Recombinant Fusion Proteins, Population, Placebo-controlled study, Glucagon-Like Peptides, Myocardial Infarction, Type 2 diabetes, 030204 cardiovascular system & hematology, Placebo, law.invention, 03 medical and health sciences, 0302 clinical medicine, Randomized controlled trial, Double-Blind Method, law, Internal medicine, medicine, Humans, Hypoglycemic Agents, 030212 general & internal medicine, education, Aged, education.field_of_study, business.industry, Semaglutide, Hazard ratio, General Medicine, Middle Aged, medicine.disease, Immunoglobulin Fc Fragments, Stroke, Diabetes Mellitus, Type 2, Cardiovascular Diseases, Dulaglutide, Female, business, medicine.drug
Abstract

Digital, Background Three different glucagon-like peptide-1 (GLP-1) receptor agonists reduce cardiovascular outcomes in people with type 2 diabetes at high cardiovascular risk with high glycated haemoglobin A1c (HbA1c) concentrations. We assessed the effect of the GLP-1 receptor agonist dulaglutide on major adverse cardiovascular events when added to the existing antihyperglycaemic regimens of individuals with type 2 diabetes with and without previous cardiovascular disease and a wide range of glycaemic control. Methods This multicentre, randomised, double-blind, placebo-controlled trial was done at 371 sites in 24 countries. Men and women aged at least 50 years with type 2 diabetes who had either a previous cardiovascular event or cardiovascular risk factors were randomly assigned (1:1) to either weekly subcutaneous injection of dulaglutide (1·5 mg) or placebo. Randomisation was done by a computer-generated random code with stratification by site. All investigators and participants were masked to treatment assignment. Participants were followed up at least every 6 months for incident cardiovascular and other serious clinical outcomes. The primary outcome was the first occurrence of the composite endpoint of non-fatal myocardial infarction, non-fatal stroke, or death from cardiovascular causes (including unknown causes), which was assessed in the intention-to-treat population. This study is registered with ClinicalTrials.gov, number NCT01394952. Findings Between Aug 18, 2011, and Aug 14, 2013, 9901 participants (mean age 66·2 years [SD 6·5], median HbA1c 7·2% [IQR 6·6–8·1], 4589 [46·3%] women) were enrolled and randomly assigned to receive dulaglutide (n=4949) or placebo (n=4952). During a median follow-up of 5·4 years (IQR 5·1–5·9), the primary composite outcome occurred in 594 (12·0%) participants at an incidence rate of 2·4 per 100 person-years in the dulaglutide group and in 663 (13·4%) participants at an incidence rate of 2·7 per 100 person-years in the placebo group (hazard ratio [HR] 0·88, 95% CI 0·79–0·99; p=0·026). All-cause mortality did not differ between groups (536 [10·8%] in the dulaglutide group vs 592 [12·0%] in the placebo group; HR 0·90, 95% CI 0·80–1·01; p=0·067). 2347 (47·4%) participants assigned to dulaglutide reported a gastrointestinal adverse event during follow-up compared with 1687 (34·1%) participants assigned to placebo (p, Ciencias Médicas y de la Salud

Published
2019

16. Intestinal serine protease inhibition increases FGF21 and improves metabolism in obese mice

Author

James Lenhard, Wensheng Lang, Pamela J. Hornby, Cassandre R. Cavanaugh, Kamal Albarazanji, Bhanu Singh, James C. Lanter, and Matthew Jennis

Subjects
0301 basic medicine, Camostat, Blood Glucose, medicine.medical_specialty, FGF21, Serine Proteinase Inhibitors, Gabexate, Transcription, Genetic, Physiology, Mice, Obese, Guanidines, 03 medical and health sciences, chemistry.chemical_compound, Mice, 0302 clinical medicine, Physiology (medical), Internal medicine, medicine, Integrated stress response, Animals, Nutritional Physiological Phenomena, Obesity, Serine protease, Hepatology, biology, Gastroenterology, Esters, Metabolism, Trypsin, Lipid Metabolism, Adaptation, Physiological, Small intestine, Diet, Fibroblast Growth Factors, 030104 developmental biology, Endocrinology, medicine.anatomical_structure, chemistry, Gluconeogenesis, Liver, 030220 oncology & carcinogenesis, Proteolysis, biology.protein, medicine.drug, Research Article
Abstract

Trypsin is the major serine protease responsible for intestinal protein digestion. An inhibitor, camostat (CS), reduced weight gain, hyperglycemia, and dyslipidemia in obese rats; however, the mechanisms for these are largely unknown. We reasoned that CS creates an apparent dietary protein restriction, which is known to increase hepatic fibroblast growth factor 21 (FGF21). Therefore, metabolic responses to CS and a gut-restricted CS metabolite, FOY-251, were measured in mice. Food intake, body weight, blood glucose, branched-chain amino acids (LC/MS), hormone levels (ELISA), liver pathology (histology), and transcriptional changes (qRT-PCR) were measured in ob/ob, lean and diet-induced obese (DIO) C57BL/6 mice. In ob/ob mice, CS in chow (9–69 mg/kg) or FOY-251 (46 mg/kg) reduced food intake and body weight gain to a similar extent as pair-fed mice. CS decreased blood glucose, liver weight, and lipidosis and increased FGF21 gene transcription and plasma levels. In lean mice, CS increased liver FGF21 mRNA and plasma levels. Relative to pair feeding, FOY-251 also increased plasma FGF21 and induced liver FGF21 and integrated stress response (ISR) transcription. In DIO mice, FOY-251 (100 mg/kg po) did not alter peak glucose levels but reduced the AUC of the glucose excursion in response to an oral glucose challenge. FOY-251 increased plasma FGF21 levels. In addition to previously reported satiety-dependent (cholecystokinin-mediated) actions, intestinal trypsin inhibition engages non-satiety-related pathways in both leptin-deficient and DIO mice. This novel mechanism improves metabolism by a liver-integrated stress response and increased FGF21 expression levels in mice. NEW & NOTEWORTHY Trypsin inhibitors, including plant-based consumer products, have long been associated with metabolic improvements. Studies in the 1980s and 1990s suggested this was due to satiety hormones and caloric wasting by loss of protein and fatty acids in feces. This work suggests an entirely new mechanism based on the lower amounts of digested protein available in the gut. This apparent protein reduction may cause beneficial metabolic adaptation by the intestinal-liver axis to perceived nutrient stress.

Published
2019

17. Osteopontin and osteoprotegerin levels in type 2 diabetes and their association with cardiovascular autonomic function

Author

M. James Lenhard, P. Babu Balagopal, Ryan T. Pohlig, and Raelene E. Maser

Subjects
Adult, Male, medicine.medical_specialty, Endocrinology, Diabetes and Metabolism, Parathyroid hormone, 030209 endocrinology & metabolism, Type 2 diabetes, 030204 cardiovascular system & hematology, Autonomic Nervous System, Cardiovascular System, Article, Young Adult, 03 medical and health sciences, chemistry.chemical_compound, 0302 clinical medicine, Endocrinology, stomatognathic system, Osteoprotegerin, Internal medicine, Diabetes mellitus, Internal Medicine, medicine, Humans, Osteopontin, Creatinine, Autonomic nerve, biology, business.industry, Respiration, Middle Aged, medicine.disease, Autonomic nervous system, Diabetes Mellitus, Type 2, chemistry, biology.protein, Female, business, Biomarkers
Abstract

Aims Osteopontin (OPN) and osteoprotegerin (OPG) are bone metabolism biomarkers potentially associated with nerve function. We evaluated the association of cardiovascular autonomic nerve function, OPN, and OPG in 50 individuals with type 2 diabetes mellitus (T2DM). Methods RR-variation during deep breathing (i.e., mean circular resultant (MCR) and expiration/inspiration (E/I) ratio) was used to assess parasympathetic nerve function. Participants' demographics, HbA1c, 25-hydroxyvitamin D (25(OH)D), BMI, HOMA-IR, calcium, parathyroid hormone, creatinine, OPN, and OPG were determined. Results Using stepwise multiple linear regression analysis with MCR or E/I ratio as the dependent variable, OPN was independently associated with reduced autonomic function. A previous report showed a significant association of cardiovascular autonomic function with age, 25(OH)D insufficiency, and the interaction of age×25(OH)D insufficiency. Here we report a novel association for OPN and its interaction with age indicating that for those who are younger, elevated OPN levels are related to a greater loss of autonomic function (MCR model R 2 =0.598, p 2 =0.594, p Conclusion Our results suggest that OPN is associated with reduced parasympathetic function, particularly in younger individuals with T2DM. Further studies are needed to determine if OPN is neuroprotective, involved in the pathogenesis of autonomic dysfunction, or a bystander.

Published
2016
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18. Circulating Pigment Epithelium-Derived–Factor Levels—Hyperglycemia vs. Insulin Resistance

Author

James Lenhard, P. Babu Balagopal, Raelene E. Maser, and Ryan Pohlig

Subjects
Creatinine, medicine.medical_specialty, business.industry, Endocrinology, Diabetes and Metabolism, Adipose tissue, Type 2 diabetes, medicine.disease, chemistry.chemical_compound, PEDF, Insulin resistance, Endocrinology, chemistry, Gluconeogenesis, Internal medicine, Internal Medicine, Medicine, business, Dyslipidemia, Glycemic
Abstract

Serum pigment epithelium-derived factor (PEDF) levels are correlated with adiposity, dyslipidemia, and renal dysfunction in type 2 diabetes (T2D) men. Major sources of circulating PEDF include the liver and adipose tissue. Cross-sectional studies have reported higher serum PEDF levels in T2D vs. controls. Although studies have suggested PEDF’s role in mediating insulin resistance, its potential role with regard to glycemic control remains unclear. We examined the association of serum PEDF and glycemic control in individuals with T2D (n=50; 21 men/29 women; age=63±10 years; CKD1.8; n=23; p1.8 (r=0.30, p=0.037), triglycerides (r=0.53, p1.8) was not (p=0.70). There was also a significant interaction of AST x creatinine (p=0.02). While some suggest that elevated PEDF levels are associated with insulin resistance, the lack of an association in our data is intriguing. It is possible that gluconeogenesis by the liver and kidney is associated with elevation in circulating PEDF and PEDF may be part of an incomplete self-defensive regulatory mechanism to limit hyperglycemia. The significant interaction suggests that the relationship between creatinine and PEDF depends on AST. Taken together, the association between PEDF and poor glycemic control in persons with T2D may suggest a preferentially protective compensatory response of PEDF against hyperglycemia but not insulin resistance. Disclosure R.E. Maser: None. J. Lenhard: Speaker's Bureau; Self; Eli Lilly and Company, Janssen Pharmaceuticals, Inc., Sanofi. R. Pohlig: None. P. Balagopal: None.

Published
2018
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19. A Uniform Approach in the Use of U-500 Regular Insulin in the Management Of Patients with Obesity and Insulin Resistance: The Clinician's View

Author

M. James, Lenhard, Karen, Rockwell, and Kim, Tran

Subjects
Patient Education as Topic, Insulin, Regular, Human, Diabetes Mellitus, Humans, Hypoglycemic Agents, Medication Errors, Obesity, Insulin Resistance, Injections
Abstract

As patients with diabetes continue to have greater problems with obesity, the need for more medications and higher doses of insulin has increased. Some patients are so insulin resistant that they require U-500 insulin.All insulins carry the risk of hypoglycemia. Despite being the most potent insulin available, the methodology for describing U-500 insulin administration varies. This paper examines the properties of U-500 insulin and suggests a unified method of defining how it is administered.A literature search for English language articles that reference U-500 insulin was performed. The 51 articles, and additional websites as applicable, were independently reviewed.Now that U-500 insulin has a specific syringe and a pen, all patients who use this should be converted to one of these two devices. The insulin dose should be described as the number of units administered.U-500 insulin is a potent formulation and carries the risk of hypoglycemia. A unified method of administration is now available, and the description of its use should reflect the number of units administered.

Published
2018

20. Potent Sodium/Glucose Cotransporter SGLT1/2 Dual Inhibition Improves Glycemic Control Without Marked Gastrointestinal Adaptation or Colonic Microbiota Changes in Rodents

Author

Matthew Jennis, Nathanial Wallace, Gee-Hong Kuo, Cassandre Cavanaugh, David Polidori, Micheal Gaul, James Lenhard, Thomas Kirchner, Wensheng Lang, Pamela J. Hornby, Fuyong Du, Simon A. Hinke, Yin Liang, Keith T. Demarest, and Nadim J. Ajami

Subjects
0301 basic medicine, Blood Glucose, Male, medicine.medical_specialty, Phlorizin, Colon, Type 2 diabetes, Jejunum, Excretion, 03 medical and health sciences, chemistry.chemical_compound, Mice, Sodium-Glucose Transporter 1, Intestinal mucosa, Sodium-Glucose Transporter 2, Internal medicine, medicine, Animals, Sodium-Glucose Transporter 2 Inhibitors, Pharmacology, Kidney, Chemistry, Microbiota, digestive, oral, and skin physiology, Area under the curve, Biodiversity, medicine.disease, Rats, 030104 developmental biology, Endocrinology, medicine.anatomical_structure, Molecular Medicine, Hemoglobin
Abstract

The sodium/glucose cotransporters (SGLT1 and SGLT2) transport glucose across the intestinal brush border and kidney tubule. Dual SGLT1/2 inhibition could reduce hyperglycemia more than SGLT2-selective inhibition in patients with type 2 diabetes. However, questions remain about altered gastrointestinal (GI) luminal glucose and tolerability, and this was evaluated in slc5a1−/− mice or with a potent dual inhibitor (compound 8; SGLT1 Ki = 1.5 ± 0.5 nM 100-fold greater potency than phlorizin; SGLT2 Ki = 0.4 ± 0.2 nM). 13C6-glucose uptake was quantified in slc5a1−/− mice and in isolated rat jejunum. Urinary glucose excretion (UGE), blood glucose (Sprague-Dawley rats), glucagon-like peptide 1 (GLP-1), and hemoglobin A1c (HbA1c) levels (Zucker diabetic fatty rats) were measured. Intestinal adaptation and rRNA gene sequencing was analyzed in C57Bl/6 mice. The blood 13C6-glucose area under the curve (AUC) was reduced in the absence of SGLT1 by 75% (245 ± 6 vs. 64 ± 6 mg/dl⋅h in wild-type vs. slc5a1−/− mice) and compound 8 inhibited its transport up to 50% in isolated rat jejunum. Compound 8 reduced glucose excursion more than SGLT2-selective inhibition (e.g., AUC = 129 ± 3 vs. 249 ± 5 mg/dl⋅h for 1 mg/kg compound 8 vs. dapagliflozin) with similar UGE but a lower renal glucose excretion threshold. In Zucker diabetic fatty rats, compound 8 decreased HbA1c and increased total GLP-1 without changes in jejunum SGLT1 expression, mucosal weight, or villus length. Overall, compound 8 (1 mg/kg for 6 days) did not increase cecal glucose concentrations or bacterial diversity in C57BL/6 mice. In conclusion, potent dual SGLT1/2 inhibition lowers blood glucose by reducing intestinal glucose absorption and the renal glucose threshold but minimally impacts the intestinal mucosa or luminal microbiota in chow-fed rodents.

Published
2018

21. Time course metabolome of Roux-en-Y gastric bypass confirms correlation between leptin, body weight and the microbiome

Author

Gregory C. Leo, Loqmane Seridi, G. Lynis Dohm, James Lenhard, and Walter J. Pories

Subjects
Leptin, 0301 basic medicine, Time Factors, Physiology, Peptide Hormones, lcsh:Medicine, Type 2 diabetes, Biochemistry, Endocrinology, 0302 clinical medicine, Drug Metabolism, Weight loss, Medicine and Health Sciences, Metabolites, lcsh:Science, Multidisciplinary, Microbiota, digestive, oral, and skin physiology, Physiological Parameters, Carbohydrate Metabolism, Female, Ghrelin, medicine.symptom, hormones, hormone substitutes, and hormone antagonists, Research Article, medicine.medical_specialty, Endocrine Disorders, Gastric Bypass, Surgical and Invasive Medical Procedures, 030209 endocrinology & metabolism, 03 medical and health sciences, Internal medicine, Diabetes Mellitus, medicine, Metabolome, Humans, Metabolomics, Pharmacokinetics, Obesity, Pharmacology, Adiponectin, Interleukin-6, business.industry, Body Weight, lcsh:R, Biology and Life Sciences, nutritional and metabolic diseases, medicine.disease, Hormones, Metabolism, 030104 developmental biology, Diabetes Mellitus, Type 2, Metabolic Disorders, Resistin, lcsh:Q, business
Abstract

Roux-en-Y gastric bypass (RYGB) is an effective way to lose weight and reverse type 2 diabetes. We profiled the metabolome of 18 obese patients (nine euglycemic and nine diabetics) that underwent RYGB surgery and seven lean subjects. Plasma samples from the obese patients were collected before the surgery and one week and three months after the surgery. We analyzed the metabolome in association to five hormones (Adiponectin, Insulin, Ghrelin, Leptin, and Resistin), four peptide hormones (GIP, Glucagon, GLP1, and PYY), and two cytokines (IL-6 and TNF). PCA showed samples cluster by surgery time and many microbially driven metabolites (indoles in particular) correlated with the three months after the surgery. Network analysis of metabolites revealed a connection between carbohydrate (mannosamine and glucosamine) and glyoxylate and confirms glyoxylate association to diabetes. Only leptin and IL-6 had a significant association with the measured metabolites. Leptin decreased immediately after RYGB (before significant weight loss), whereas IL-6 showed no consistent response to RYGB. Moreover, leptin associated with tryptophan in support of the possible role of leptin in the regulation of serotonin synthesis pathways in the gut. These results suggest a potential link between gastric leptin and microbial-derived metabolites in the context of obesity and diabetes.

Published
2018

22. Metabolic and Hormonal Alterations Induced by Roux-en-Y Gastric Bypass

Author

Gregory C. Leo, G. Lynis Dohm, Walter J. Pories, Loqmane Seridi, and James Lenhard

Subjects
medicine.medical_specialty, Adiponectin, business.industry, Leptin, digestive, oral, and skin physiology, nutritional and metabolic diseases, Type 2 diabetes, medicine.disease, Obesity, Endocrinology, Internal medicine, Diabetes mellitus, Metabolome, medicine, Resistin, Ghrelin, business, hormones, hormone substitutes, and hormone antagonists
Abstract

Roux-en-Y gastric bypass (RYGB) is an effective way to lose weight and reverse type 2 diabetes. We profiled the metabolome of 18 obese patients (nine euglycemic and nine diabetics) that underwent RYGB surgery and seven lean subjects. Plasma samples from the obese patients were collected before the surgery and one week and three months after the surgery. We analyzed the metabolome in association to five hormones (Adiponectin, Insulin, Ghrelin, Leptin, and Resistin), four peptide hormones (GIP, Glucagon, GLP1, and PYY), and two cytokines (IL-6 and TNF). PCA showed samples cluster by surgery time and many microbially driven metabolites (indoles in particular) correlated with the three months after the surgery. Network analysis of metabolites revealed a connection between carbohydrate (mannosamine and glucosamine) and glyoxylate and confirms glyoxylate association to diabetes. Only leptin and IL-6 had a significant association with the measured metabolites. Leptin decreased immediately after RYGB (before significant weight loss), whereas IL-6 showed no consistent response to RYGB. Moreover, leptin associated with tryptophan in support of the possible role of leptin in the regulation of serotonin synthesis pathways in the gut. These results suggest a potential link between gastric leptin and microbial-derived metabolites in the context of obesity and diabetes.

Published
2017
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23. Effect of parathyroidectomy on osteopontin and undercarboxylated osteocalcin in patients with primary hyperparathyroidism

Author

Raelene E. Maser, M. James Lenhard, Raafat Abdel-Misih, Ryan T. Pohlig, and P. Babu Balagopal

Subjects
0301 basic medicine, Parathyroidectomy, Leptin, Male, medicine.medical_specialty, endocrine system diseases, medicine.medical_treatment, Osteocalcin, 030209 endocrinology & metabolism, Article, Bone remodeling, 03 medical and health sciences, 0302 clinical medicine, Endocrinology, Insulin resistance, N-terminal telopeptide, Osteoprotegerin, Internal medicine, medicine, Humans, Osteopontin, Aged, biology, business.industry, Interleukin-6, General Medicine, Middle Aged, medicine.disease, Hyperparathyroidism, Primary, 030104 developmental biology, biology.protein, Female, Adiponectin, Insulin Resistance, business, Primary hyperparathyroidism, Follow-Up Studies
Abstract

Surgical treatment for primary hyperparathyroidism (PHPT) improves bone metabolism. Osteocalcin (OC) and its undercarboxylated form (ucOC) are associated with bone and energy metabolism. Osteopontin (OPN), a multifunctional protein expressed in bone, is involved in resorption, along with β-carboxyl-terminal cross-linking telopeptide of type 1 collagen (β-CTX), and osteoprotegerin (OPG). Our aim was to investigate these biomarkers of bone metabolism in patients with PHPT.We examined 30 individuals with PHPT, in a clinical research facility, before and 1 month following parathyroidectomy. Circulating levels of OC, ucOC, OPN, β-CTX, and OPG were examined as bone biomarkers along with inflammatory markers (e.g., interleukin-6 [IL-6], lipocalin-2), insulin resistance (i.e., homeostasis model assessment for insulin resistance [HOMA-IR]), adiposity (i.e., leptin, adiponectin), PTH, calcium, 25-hydroxyvitamin D, creatinine, and demographics.Participants (27 females/3 males) were 60 ± 9 (mean±SD) years old. There was a significant reduction of ucOC (7.9 ± 5.1 [median±SIQR] vs. 6.6 ± 3.7 ng/mL, p = 0.022) and OPN (75.4 ± 14.5 vs. 54.5 ± 9.2 ng/mL, p 0.001) pre- versus post-parathyroidectomy. There were no univariate differences postoperatively for IL-6, HOMA-IR, leptin, or adiponectin. Regression analysis showed that postoperative levels of adiponectin, IL-6, and OPN were significantly associated with ucOC, while adjusting for PTH and albumin corrected calcium levels (model RThe lower 1-month postoperative OPN and ucOC levels in PHPT seem to indicate reduced bone resorption. Decreased ucOC levels may also suggest lower energy demands postoperatively.

Published
2017

24. Vascular Calcification and Osteoprotegrin in Chronic Kidney Disease

Author

Raelene E. Maser and M. James Lenhard

Subjects
Pathology, medicine.medical_specialty, business.industry, MEDLINE, Osteoprotegerin, 030209 endocrinology & metabolism, 030204 cardiovascular system & hematology, medicine.disease, 03 medical and health sciences, 0302 clinical medicine, Nephrology, Renal Dialysis, medicine, Humans, Kidney Failure, Chronic, business, Vascular Calcification, Vascular calcification, Biomarkers, Kidney disease
Published
2017

25. Microbiota-derived tryptophan indoles increase after gastric bypass surgery and reduce intestinal permeability in vitro and in vivo

Author

James Lenhard, Gregory C. Leo, Matthew Jennis, Cassandre R. Cavanaugh, Pamela J. Hornby, and John R. Mabus

Subjects
0301 basic medicine, Tryptamine, Male, medicine.medical_specialty, Indoles, Physiology, Gastric Bypass, 030209 endocrinology & metabolism, Inflammation, Diet, High-Fat, Permeability, 03 medical and health sciences, chemistry.chemical_compound, Interferon-gamma, 0302 clinical medicine, In vivo, Internal medicine, medicine, Animals, Obesity, Intestinal Mucosa, Barrier function, Intestinal permeability, biology, Endocrine and Autonomic Systems, Gastroenterology, Tryptophan, Epithelial Cells, medicine.disease, In vitro, Gastrointestinal Microbiome, Mice, Inbred C57BL, 030104 developmental biology, Endocrinology, chemistry, Diabetes Mellitus, Type 2, biology.protein, medicine.symptom, GLUT5
Abstract

Background The diet and microbiome contribute to metabolic disease in part due to increased intestinal inflammation and permeability. Dietary tryptophan is metabolized by both mammalian and bacterial enzymes. Using in vitro, in vivo models, and clinical data, we tested whether bacterial tryptophan indole derivatives underlie the positive benefits of microbiota on inflammation that is associated with metabolic disease. Methods In high-fat diet (HFD)-fed mice intestinal permeability and plasma endotoxin levels were measured after indole-3-propionic acid (IPA; 20 mg kg−1 p.o. for 4 days). Tryptophan derivatives effect on permeability and gene expression were assessed in T84 intestinal cell monolayers, in the presence or absence of pro-inflammatory cytokines. Plasma tryptophan metabolites were analyzed from lean, or obese T2D subjects undergoing Roux-en-Y gastric bypass surgery (RYGB). Key Results IPA reduced the increased intestinal permeability observed in HFD-fed mice. Of 16 metabolites tested in vitro, only IPA, and tryptamine reduced T84 cell monolayer permeability compromised by pro-inflammatory cytokines. In T84 cells, IPA reversed the IFN-γ induced increase of fructose transporter SLC2A5 (GLUT5) mRNA, but not induction of inflammatory or metabolic genes. In obese subjects, IPA levels were reduced relative to lean counterparts, and these levels were increased by 3 months after RYGB. Conclusions and Inferences The novel findings are that obese subjects have lower levels of IPA, a solely bacterially derived tryptophan derivative, and IPA improved intestinal barrier function in vitro and DIO mice. Reduced plasma IPA levels and reversal by surgery may be a consequence of intestinal indole-producing microbiota but underlying mechanisms warrant further investigation.

Published
2017

26. Pre-heparin lipoprotein lipase mass as a potential mediator in the association between adiponectin and HDL-cholesterol in type 2 diabetes

Author

Raelene E. Maser, P. Babu Balagopal, Ryan T. Pohlig, and M. James Lenhard

Subjects
medicine.medical_specialty, endocrine system diseases, Endocrinology, Diabetes and Metabolism, BMI, body mass index, 030209 endocrinology & metabolism, Type 2 diabetes, 030204 cardiovascular system & hematology, CVD, cardiovascular disease, lcsh:Diseases of the endocrine glands. Clinical endocrinology, HDL-C, high-density lipoprotein cholesterol, 03 medical and health sciences, chemistry.chemical_compound, 0302 clinical medicine, Endocrinology, High-density lipoprotein cholesterol, Internal medicine, HOMA-IR, homeostasis model assessment for insulin resistance, Type 2 diabetes mellitus, medicine, Path analysis, 2. Zero hunger, Lipoprotein lipase, lcsh:RC648-665, Adiponectin, Cholesterol, business.industry, digestive, oral, and skin physiology, T1DM, type 1 diabetes mellitus, Type 2 Diabetes Mellitus, nutritional and metabolic diseases, Lipid metabolism, T2DM, type 2 diabetes mellitus, medicine.disease, Pre-heparin lipoprotein lipase mass, LPL, lipoprotein lipase, chemistry, lipids (amino acids, peptides, and proteins), business, Body mass index, Dyslipidemia, hormones, hormone substitutes, and hormone antagonists, Research Paper
Abstract

Highlights • We examined pre-heparin LPL mass in type 2 diabetes mellitus (T2DM). • Association of adiponectin, pre-heparin LPL mass, and HDL-C was examined in T2DM. • Pre-heparin LPL mass may mediate the adiponectin and HDL-C association in T2DM., Aim Lipoprotein lipase (LPL) is a major enzyme in lipid metabolism. Dyslipidemia, characterized by decreased high-density lipoprotein cholesterol (HDL-C), is prevalent in persons with type 2 diabetes mellitus (T2DM). The aim of this study was to determine whether pre-heparin LPL mass mediates the association between adiponectin and HDL-C in individuals with T2DM. Methods Pre-heparin LPL mass was measured via an enzyme-linked immunosorbent assay, adiponectin by radioimmunoassay, and HDL-C was determined enzymatically. Participants’ (n = 50) demographics, HbA1c, adiposity, homeostasis model assessment for insulin resistance (HOMA-IR), serum creatinine, and lipids were measured. Path analysis was utilized to test whether pre-heparin LPL mass is a mediator in the relationship between adiponectin and HDL-C. Results All four criteria for mediation were satisfied in the path analysis. The indirect effect of adiponectin on HDL-C through pre-heparin LPL mass was significant, p = 0.001, whereas the direct effect of adiponectin on HDL-C was not significant, p = 0.074. These results remained consistent even after adjustments for age, gender, body mass index, HOMA-IR, and serum creatinine in the model. Conclusion The findings in this study suggest that pre-heparin LPL mass may mediate the association between adiponectin and HDL-C in T2DM. This relationship for measures of HDL-C functionality requires future investigation.

Published
2016

27. 1104 - Intestinal Serine Protease Inhibition Increases Liver FGF21 Secretion in Diabetic Obese Mice

Author

Cassandre R. Cavanaugh, Matthew Jennis, James Lenhard, James C. Lanter, Kamal Albarazanji, Pamela J. Hornby, and Shobha Seetharam

Subjects
0301 basic medicine, Serine protease, medicine.medical_specialty, FGF21, Hepatology, biology, Chemistry, Gastroenterology, 03 medical and health sciences, 030104 developmental biology, 0302 clinical medicine, Endocrinology, Internal medicine, biology.protein, medicine, 030211 gastroenterology & hepatology, Secretion, Obese Mice
Published
2018
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28. Glucose Metabolism is Impaired in Cultured Myotubes from Severely Obese Humans

Author

G. Lynis Dohm, Walter J. Pories, Sanghee Park, Terry E. Jones, Kai Zou, J. Matthew Hinkley, Joseph A. Houmard, Pamela Hornsby, James Lenhard, Donghai Zheng, and Sarah Billings

Subjects
medicine.medical_specialty, Endocrinology, Myogenesis, Chemistry, Internal medicine, Genetics, medicine, Carbohydrate metabolism, Molecular Biology, Biochemistry, Biotechnology
Published
2015
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29. Deranged Glucose Oxidation in Primary Human Myotubes from Type 2 Diabetic Patients

Author

Joseph A. Houmard, Lynis Dohm G, Hinkley Jm, Donghai Zheng, Terry E. Jones, James Lenhard, Sanghee Park, Kai Zou, Walter J. Pories, and Pamela J. Hornby

Subjects
medicine.medical_specialty, Endocrinology, Primary (chemistry), Myogenesis, business.industry, Internal medicine, medicine, Physical Therapy, Sports Therapy and Rehabilitation, Orthopedics and Sports Medicine, business
Published
2016
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30. Pre-heparin lipoprotein lipase mass as a potential mediator in the association between adiponectin and HDL-cholesterol in type 2 diabetes

Author

Raelene E. Maser, M. James Lenhard, Ryan T. Pohlig, and P. Babu Balagopal

Subjects
Type 2 diabetes mellitus, Adiponectin, Pre-heparin lipoprotein lipase mass, High-density lipoprotein cholesterol, Path analysis, Diseases of the endocrine glands. Clinical endocrinology, RC648-665
Abstract

Aim: Lipoprotein lipase (LPL) is a major enzyme in lipid metabolism. Dyslipidemia, characterized by decreased high-density lipoprotein cholesterol (HDL-C), is prevalent in persons with type 2 diabetes mellitus (T2DM). The aim of this study was to determine whether pre-heparin LPL mass mediates the association between adiponectin and HDL-C in individuals with T2DM. Methods: Pre-heparin LPL mass was measured via an enzyme-linked immunosorbent assay, adiponectin by radioimmunoassay, and HDL-C was determined enzymatically. Participants’ (n = 50) demographics, HbA1c, adiposity, homeostasis model assessment for insulin resistance (HOMA-IR), serum creatinine, and lipids were measured. Path analysis was utilized to test whether pre-heparin LPL mass is a mediator in the relationship between adiponectin and HDL-C. Results: All four criteria for mediation were satisfied in the path analysis. The indirect effect of adiponectin on HDL-C through pre-heparin LPL mass was significant, p = 0.001, whereas the direct effect of adiponectin on HDL-C was not significant, p = 0.074. These results remained consistent even after adjustments for age, gender, body mass index, HOMA-IR, and serum creatinine in the model. Conclusion: The findings in this study suggest that pre-heparin LPL mass may mediate the association between adiponectin and HDL-C in T2DM. This relationship for measures of HDL-C functionality requires future investigation.

Published
2017
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