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4 results on '"Elinda J. Bruin"'

1. Correction: Common Variants in the Type 2 Diabetes Gene Are Associated with Impairments in Insulin Secretion During Hyperglycaemic Glucose Clamp.

Author

Jana V. van Vliet-Ostaptchouk, Timon W. van Haeften, Gijs W. D. Landman, Erwin Reiling, Nanne Kleefstra, Henk J. G. Bilo, Olaf H. Klungel, Anthonius de Boer, Cleo C. van Diemen, Cisca Wijmenga, H. Marike Boezen, Jacqueline M. Dekker, Esther van 't Riet, Giel Nijpels, Laura M. C. Welschen, Hata Zavrelova, Elinda J. Bruin, Clara C. Elbers, Florianne Bauer, N. Charlotte Onland-Moret, Yvonne T. van der Schouw, Diederick E. Grobbee, Annemieke M. W. Spijkerman, Daphne L. van der A, Annemarie M. Simonis-Bik, Elisabeth M. W. Eekhoff, Michaela Diamant, Mark H. H. Kramer, Dorret I. Boomsma, Eco J. de Geus, Gonneke Willemsen, P. Eline Slagboom, Marten H. Hofker, and Leen M. 't Hart

Subjects
Medicine, Science
Published
2012
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2. Common variants in the type 2 diabetes KCNQ1 gene are associated with impairments in insulin secretion during hyperglycaemic glucose clamp.

Author

Jana V van Vliet-Ostaptchouk, Timon W van Haeften, Gijs W D Landman, Erwin Reiling, Nanne Kleefstra, Henk J G Bilo, Olaf H Klungel, Anthonius de Boer, Cleo C van Diemen, Cisca Wijmenga, H Marike Boezen, Jacqueline M Dekker, Esther van 't Riet, Giel Nijpels, Laura M C Welschen, Hata Zavrelova, Elinda J Bruin, Clara C Elbers, Florianne Bauer, N Charlotte Onland-Moret, Yvonne T van der Schouw, Diederick E Grobbee, Annemieke M W Spijkerman, Daphne L van der A, Annemarie M Simonis-Bik, Elisabeth M W Eekhoff, Michaela Diamant, Mark H H Kramer, Dorret I Boomsma, Eco J de Geus, Gonneke Willemsen, P Eline Slagboom, Marten H Hofker, and Leen M 't Hart

Subjects
Medicine, Science
Abstract

BACKGROUND:Genome-wide association studies in Japanese populations recently identified common variants in the KCNQ1 gene to be associated with type 2 diabetes. We examined the association of these variants within KCNQ1 with type 2 diabetes in a Dutch population, investigated their effects on insulin secretion and metabolic traits and on the risk of developing complications in type 2 diabetes patients. METHODOLOGY:The KCNQ1 variants rs151290, rs2237892, and rs2237895 were genotyped in a total of 4620 type 2 diabetes patients and 5285 healthy controls from the Netherlands. Data on macrovascular complications, nephropathy and retinopathy were available in a subset of diabetic patients. Association between genotype and insulin secretion/action was assessed in the additional sample of 335 individuals who underwent a hyperglycaemic clamp. PRINCIPAL FINDINGS:We found that all the genotyped KCNQ1 variants were significantly associated with type 2 diabetes in our Dutch population, and the association of rs151290 was the strongest (OR 1.20, 95% CI 1.07-1.35, p = 0.002). The risk C-allele of rs151290 was nominally associated with reduced first-phase glucose-stimulated insulin secretion, while the non-risk T-allele of rs2237892 was significantly correlated with increased second-phase glucose-stimulated insulin secretion (p = 0.025 and 0.0016, respectively). In addition, the risk C-allele of rs2237892 was associated with higher LDL and total cholesterol levels (p = 0.015 and 0.003, respectively). We found no evidence for an association of KCNQ1 with diabetic complications. CONCLUSIONS:Common variants in the KCNQ1 gene are associated with type 2 diabetes in a Dutch population, which can be explained at least in part by an effect on insulin secretion. Furthermore, our data suggest that KCNQ1 is also associated with lipid metabolism.

Published
2012
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3. Correction: Common Variants in the Type 2 Diabetes KCNQ1 Gene Are Associated with Impairments in Insulin Secretion During Hyperglycaemic Glucose Clamp

Author

Jana V. van Vliet-Ostaptchouk, Timon W. van Haeften, Gijs W. D. Landman, Erwin Reiling, Nanne Kleefstra, Henk J. G. Bilo, Olaf H. Klungel, Anthonius de Boer, Cleo C. van Diemen, Cisca Wijmenga, H. Marike Boezen, Jacqueline M. Dekker, Esther van 't Riet, Giel Nijpels, Laura M. C. Welschen, Hata Zavrelova, Elinda J. Bruin, Clara C. Elbers, Florianne Bauer, N. Charlotte Onland-Moret, Yvonne T. van der Schouw, Diederick E. Grobbee, Annemieke M. W. Spijkerman, Daphne L. van der A, Annemarie M. Simonis-Bik, Elisabeth M. W. Eekhoff, Michaela Diamant, Mark H. H. Kramer, Dorret I. Boomsma, Eco J. de Geus, Gonneke Willemsen, P. Eline Slagboom, Marten H. Hofker, and Leen M. 't Hart

Subjects
Multidisciplinary, Science, Correction, Medicine
Published
2012

4. Co-expressed immune and metabolic genes in visceral and subcutaneous adipose tissue from severely obese individuals are associated with plasma HDL and glucose levels: a microarray study

Author

Sander S. Rensen, Marcel G. M. Wolfs, Marcel Bruinenberg, Bahram Sanjabi, Wim A. Buurman, Cisca Wijmenga, Jan Greve, Elinda J. Bruin-Van Dijk, Froukje J. Verdam, Timon W. van Haeften, Marten H. Hofker, Lude Franke, Surgery, RS: NUTRIM - R2 - Gut-liver homeostasis, Groningen Institute for Gastro Intestinal Genetics and Immunology (3GI), and Stem Cell Aging Leukemia and Lymphoma (SALL)

Subjects
Blood Glucose, Male, CHOLESTEROL EFFLUX, medicine.medical_treatment, Adipose tissue, White adipose tissue, Type 2 diabetes, 030204 cardiovascular system & hematology, FC-GAMMA-RI, Body Mass Index, INHIBITOR-1, 0302 clinical medicine, Insulin, Gene Regulatory Networks, Genetics(clinical), MACROPHAGES, Genetics (clinical), 2. Zero hunger, 0303 health sciences, INSULIN-RESISTANCE, Middle Aged, Female, Research Article, Adult, EXPRESSION, medicine.medical_specialty, lcsh:Internal medicine, Intra-Abdominal Fat, lcsh:QH426-470, Adolescent, Subcutaneous Fat, Biology, Carbohydrate metabolism, 03 medical and health sciences, Insulin resistance, INFLAMMATION, Internal medicine, medicine, Genetics, Humans, Obesity, lcsh:RC31-1245, Triglycerides, 030304 developmental biology, Aged, Gene Expression Profiling, Cholesterol, HDL, PROTEIN-TYROSINE KINASE, nutritional and metabolic diseases, Lipid metabolism, medicine.disease, Lipid Metabolism, Microarray Analysis, lcsh:Genetics, Endocrinology, ATHEROSCLEROSIS, FAT
Abstract

Background Excessive accumulation of body fat, in particular in the visceral fat depot, is a major risk factor to develop a variety of diseases such as type 2 diabetes. The mechanisms underlying the increased risk of obese individuals to develop co-morbid diseases are largely unclear. We aimed to identify genes expressed in subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) that are related to blood parameters involved in obesity co-morbidity, such as plasma lipid and glucose levels, and to compare gene expression between the fat depots. Methods Whole-transcriptome SAT and VAT gene expression levels were determined in 75 individuals with a BMI >35 kg/m2. Modules of co-expressed genes likely to be functionally related were identified and correlated with BMI, plasma levels of glucose, insulin, HbA1c, triglycerides, non-esterified fatty acids, ALAT, ASAT, C-reactive protein, and LDL- and HDL cholesterol. Results Of the approximately 70 modules identified in SAT and VAT, three SAT modules were inversely associated with plasma HDL-cholesterol levels, and a fourth module was inversely associated with both plasma glucose and plasma triglyceride levels (p < 5.33 × 10-5). These modules were markedly enriched in immune and metabolic genes. In VAT, one module was associated with both BMI and insulin, and another with plasma glucose (p < 4.64 × 10-5). This module was also enriched in inflammatory genes and showed a marked overlap in gene content with the SAT modules related to HDL. Several genes differentially expressed in SAT and VAT were identified. Conclusions In obese subjects, groups of co-expressed genes were identified that correlated with lipid and glucose metabolism parameters; they were enriched with immune genes. A number of genes were identified of which the expression in SAT correlated with plasma HDL cholesterol, while their expression in VAT correlated with plasma glucose. This underlines both the singular importance of these genes for lipid and glucose metabolism and the specific roles of these two fat depots in this respect.

Published
2010
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