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12 results on '"Alexandra M Lewin"'

1. The South Asian genome.

Author

John C Chambers, James Abbott, Weihua Zhang, Ernest Turro, William R Scott, Sian-Tsung Tan, Uzma Afzal, Saima Afaq, Marie Loh, Benjamin Lehne, Paul O'Reilly, Kyle J Gaulton, Richard D Pearson, Xinzhong Li, Anita Lavery, Jana Vandrovcova, Mark N Wass, Kathryn Miller, Joban Sehmi, Laticia Oozageer, Ishminder K Kooner, Abtehale Al-Hussaini, Rebecca Mills, Jagvir Grewal, Vasileios Panoulas, Alexandra M Lewin, Korrinne Northwood, Gurpreet S Wander, Frank Geoghegan, Yingrui Li, Jun Wang, Timothy J Aitman, Mark I McCarthy, James Scott, Sarah Butcher, Paul Elliott, and Jaspal S Kooner

Subjects
Medicine, Science
Abstract

The genetic sequence variation of people from the Indian subcontinent who comprise one-quarter of the world's population, is not well described. We carried out whole genome sequencing of 168 South Asians, along with whole-exome sequencing of 147 South Asians to provide deeper characterisation of coding regions. We identify 12,962,155 autosomal sequence variants, including 2,946,861 new SNPs and 312,738 novel indels. This catalogue of SNPs and indels amongst South Asians provides the first comprehensive map of genetic variation in this major human population, and reveals evidence for selective pressures on genes involved in skin biology, metabolism, infection and immunity. Our results will accelerate the search for the genetic variants underlying susceptibility to disorders such as type-2 diabetes and cardiovascular disease which are highly prevalent amongst South Asians.

Published
2014
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3. A principal component meta-analysis on multiple anthropometric traits identifies novel loci for body shape

Author

Janina S. Ried, Janina Jeff M., Audrey Y. Chu, Jennifer L. Bragg-Gresham, Jenny van Dongen, Jennifer E. Huffman, Tarunveer S. Ahluwalia, Gemma Cadby, Niina Eklund, Joel Eriksson, Tõnu Esko, Mary F. Feitosa, Anuj Goel, Mathias Gorski, Caroline Hayward, Nancy L. Heard-Costa, Anne U. Jackson, Eero Jokinen, Stavroula Kanoni, Kati Kristiansson, Zoltán Kutalik, Jari Lahti, Jian'an Luan, Reedik Mägi, Anubha Mahajan, Massimo Mangino, Carolina Medina-Gomez, Keri L. Monda, Ilja M. Nolte, Louis Pérusse, Inga Prokopenko, Lu Qi, Lynda M. Rose, Erika Salvi, Megan T. Smith, Harold Snieder, Alena Stančáková, Yun Ju Sung, Ioanna Tachmazidou, Alexander Teumer, Gudmar Thorleifsson, Pim van der Harst, Ryan W. Walker, Sophie R. Wang, Sarah H. Wild, Sara M. Willems, Andrew Wong, Weihua Zhang, Eva Albrecht, Alexessander Couto Alves, Stephan J. L. Bakker, Cristina Barlassina, Traci M. Bartz, John Beilby, Claire Bellis, Richard N. Bergman, Sven Bergmann, John Blangero, Matthias Blüher, Eric Boerwinkle, Lori L. Bonnycastle, Stefan R. Bornstein, Marcel Bruinenberg, Harry Campbell, Yii-Der Ida Chen, Charleston W. K. Chiang, Peter S. Chines, Francis S Collins, Fracensco Cucca, L Adrienne Cupples, Francesca D’Avila, Eco J .C. de Geus, George Dedoussis, Maria Dimitriou, Angela Döring, Johan G. Eriksson, Aliki-Eleni Farmaki, Martin Farrall, Teresa Ferreira, Krista Fischer, Nita G. Forouhi, Nele Friedrich, Anette Prior Gjesing, Nicola Glorioso, Mariaelisa Graff, Harald Grallert, Niels Grarup, Jürgen Gräßler, Jagvir Grewal, Anders Hamsten, Marie Neergaard Harder, Catharina A. Hartman, Maija Hassinen, Nicholas Hastie, Andrew Tym Hattersley, Aki S. Havulinna, Markku Heliövaara, Hans Hillege, Albert Hofman, Oddgeir Holmen, Georg Homuth, Jouke-Jan Hottenga, Jennie Hui, Lise Lotte Husemoen, Pirro G. Hysi, Aaron Isaacs, Till Ittermann, Shapour Jalilzadeh, Alan L. James, Torben Jørgensen, Pekka Jousilahti, Antti Jula, Johanne Marie Justesen, Anne E. Justice, Mika Kähönen, Maria Karaleftheri, Kay Tee Khaw, Sirkka M. Keinanen-Kiukaanniemi, Leena Kinnunen, Paul B. Knekt, Heikki A. Koistinen, Ivana Kolcic, Ishminder K. Kooner, Seppo Koskinen, Peter Kovacs, Theodosios Kyriakou, Tomi Laitinen, Claudia Langenberg, Alexandra M. Lewin, Peter Lichtner, Cecilia M. Lindgren, Jaana Lindström, Allan Linneberg, Roberto Lorbeer, Mattias Lorentzon, Robert Luben, Valeriya Lyssenko, Satu Männistö, Paolo Manunta, Irene Mateo Leach, Wendy L. McArdle, Barbara Mcknight, Karen L. Mohlke, Evelin Mihailov, Lili Milani, Rebecca Mills, May E. Montasser, Andrew P. Morris, Gabriele Müller, Arthur W. Musk, Narisu Narisu, Ken K. Ong, Ben A. Oostra, Clive Osmond, Aarno Palotie, James S. Pankow, Lavinia Paternoster, Brenda W. Penninx, Irene Pichler, Maria G. Pilia, Ozren Polašek, Peter P. Pramstaller, Olli T Raitakari, Tuomo Rankinen, D. C. Rao, Nigel W. Rayner, Rasmus Ribel-Madsen, Treva K. Rice, Marcus Richards, Paul M. Ridker, Fernando Rivadeneira, Kathy A. Ryan, Serena Sanna, Mark A. Sarzynski, Salome Scholtens, Robert A. Scott, Sylvain Sebert, Lorraine Southam, Thomas Hempel Sparsø, Valgerdur Steinthorsdottir, Kathleen Stirrups, Ronald P. Stolk, Konstantin Strauch, Heather M. Stringham, Morris A. Swertz, Amy J. Swift, Anke Tönjes, Emmanouil Tsafantakis, Peter J. van der Most, Jana V. Van Vliet-Ostaptchouk, Liesbeth Vandenput, Erkki Vartiainen, Cristina Venturini, Niek Verweij, Jorma S. Viikari, Veronique Vitart, Marie-Claude Vohl, Judith M. Vonk, Gérard Waeber, Elisabeth Widén, Gonneke Willemsen, Tom Wilsgaard, Thomas W. Winkler, Alan F. Wright, Laura M. Yerges-Armstrong, Jing Hua Zhao, M. Carola Zillikens, Dorret I. Boomsma, Claude Bouchard, John C. Chambers, Daniel I. Chasman, Daniele Cusi, Ron T. Gansevoort, Christian Gieger, Torben Hansen, Andrew A. Hicks, Frank Hu, Kristian Hveem, Marjo-Riitta Jarvelin, Eero Kajantie, Jaspal S. Kooner, Diana Kuh, Johanna Kuusisto, Markku Laakso, Timo A. Lakka, Terho Lehtimäki, Andres Metspalu, Inger Njølstad, Claes Ohlsson, Albertine J. Oldehinkel, Lyle J. Palmer, Oluf Pedersen, Markus Perola, Annette Peters, Bruce M. Psaty, Hannu Puolijoki, Rainer Rauramaa, Igor Rudan, Veikko Salomaa, Peter E. H. Schwarz, Alan R. Shudiner, Jan H. Smit, Thorkild I. A. Sørensen, Timothy D. Spector, Kari Stefansson, Michael Stumvoll, Angelo Tremblay, Jaakko Tuomilehto, André G. Uitterlinden, Matti Uusitupa, Uwe Völker, Peter Vollenweider, Nicholas J. Wareham, Hugh Watkins, James F. Wilson, Eleftheria Zeggini, Goncalo R. Abecasis, Michael Boehnke, Ingrid B. Borecki, Panos Deloukas, Cornelia M. van Duijn, Caroline Fox, Leif C. Groop, Iris M. Heid, David J. Hunter, Robert C. Kaplan, Mark I. McCarthy, Kari E. North, Jeffrey R. O'Connell, David Schlessinger, Unnur Thorsteinsdottir, David P. Strachan, Timothy Frayling, Joel N. Hirschhorn, Martina Müller-Nurasyid, and Ruth J. F. Loos

Subjects
Science
Abstract

Past genome-wide associate studies have identified hundreds of genetic loci that influence body size and shape when examined one trait at a time. Here, Jeff and colleagues develop an aggregate score of various body traits, and use meta-analysis to find new loci linked to body shape.

Published
2016
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5. Estimation of country-level incidence of early-onset invasive Group B Streptococcus disease in infants using Bayesian methods

Author

Proma Paul, Simon R Procter, Alexandra M. Lewin, Artemis Koukounari, Joy E Lawn, Mark Jit, Samuel Clifford, and Bronner P. Gonçalves

Subjects
0301 basic medicine, Pediatrics, Epidemiology, Cost-Benefit Analysis, Disease, Global Health, medicine.disease_cause, Group B, Families, 0302 clinical medicine, Antibiotics, Pregnancy, Medicine and Health Sciences, Medicine, Public and Occupational Health, 030212 general & internal medicine, Pregnancy Complications, Infectious, Biology (General), Children, Ecology, Antimicrobials, Streptococcus, Incidence, Incidence (epidemiology), Drugs, Computational Theory and Mathematics, HIV epidemiology, Modeling and Simulation, Bacterial Vaccines, Infectious diseases, Female, Group B streptococcal infection, Infants, Research Article, Medical conditions, medicine.medical_specialty, QH301-705.5, Bacterial diseases, 030106 microbiology, Group B Streptococcal Infection, Microbiology, Streptococcus agalactiae, 03 medical and health sciences, Cellular and Molecular Neuroscience, Microbial Control, Streptococcal Infections, Genetics, Humans, Molecular Biology, Ecology, Evolution, Behavior and Systematics, Pharmacology, Estimation, business.industry, Biology and Life Sciences, Neonates, Infant, Bayes Theorem, medicine.disease, Obesity, Infectious Disease Transmission, Vertical, Age Groups, Medical Risk Factors, People and Places, Population Groupings, business, Developmental Biology
Abstract

Neonatal invasive disease caused by Group B Streptococcus (GBS) is responsible for much acute mortality and long-term morbidity. To guide development of better prevention strategies, including maternal vaccines that protect neonates against GBS, it is necessary to estimate the burden of this condition globally and in different regions. Here, we present a Bayesian model that estimates country-specific invasive GBS (iGBS) disease incidence in children aged 0 to 6 days. The model combines different types of epidemiological data, each of which has its own limitations: GBS colonization prevalence in pregnant women, risk of iGBS disease in children born to GBS-colonized mothers and direct estimates of iGBS disease incidence where available. In our analysis, we present country-specific maternal GBS colonization prevalence after adjustment for GBS detection assay used in epidemiological studies. We then integrate these results with other epidemiological data and estimate country-level incidence of iGBS disease including in countries with no studies that directly estimate incidence. We are able to simultaneously estimate two key epidemiological quantities: the country-specific incidence of early-onset iGBS disease, and the risk of iGBS disease in babies born to GBS-colonized women. Overall, we believe our method will contribute to a more comprehensive quantification of the global burden of this disease, inform cost-effectiveness assessments of potential maternal GBS vaccines and identify key areas where data are necessary., Author summary Invasive disease caused by Group B Streptococcus (GBS) in young infants continues to be a major public health problem in both developed and developing countries. However, data on the incidence of this infection during the first week of life are only available for a small number of countries, which has complicated the quantification of the burden of this disease globally. In this paper, we develop a Bayesian framework to estimate the incidence of invasive GBS infection that combines data from multiple types of epidemiological studies, with adjustment for relevant factors such as diagnostic methods used in the studies. We present estimates from a series of models, and our results highlight the potential weaknesses of different types of studies and the importance to consider the entire evidence when estimating global burden of invasive neonatal infections. We believe this model is a step toward better quantification of the number of cases in different regions.

Published
2021

6. GWAS on longitudinal growth traits reveals different genetic factors influencing infant, child, and adult BMI

Author

Alexessander Couto Alves, N. Maneka G. De Silva, Ville Karhunen, Ulla Sovio, Shikta Das, H. Rob Taal, Nicole M. Warrington, Alexandra M. Lewin, Marika Kaakinen, Diana L. Cousminer, Elisabeth Thiering, Nicholas J. Timpson, Tom A. Bond, Estelle Lowry, Christopher D. Brown, Xavier Estivill, Virpi Lindi, Jonathan P. Bradfield, Frank Geller, Doug Speed, Lachlan J. M. Coin, Marie Loh, and Sheila J. Barton

Published
2019
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7. Genetic architecture of early childhood growth phenotypes gives insights into their link with later obesity

Author

N. Maneka G. De Silva, Sylvain Sebert, Alexessander Couto Alves, Ulla Sovio, Shikta Das, Rob Taal, Nicole M. Warrington, Alexandra M. Lewin, Marika Kaakinen, Diana Cousminer, Elisabeth Thiering, Nicholas J. Timpson, Ville Karhunen, Tom Bond, Xavier Estivill, Virpi Lindi, Jonathan P. Bradfield, Frank Geller, Lachlan J.M. Coin, Marie Loh, Sheila J. Barton, Lawrence J. Beilin, Hans Bisgaard, Klaus Bønnelykke, Rohia Alili, Ida J. Hatoum, Katharina Schramm, Rufus Cartwright, Marie-Aline Charles, Vincenzo Salerno, Karine Clément, Cornelia M. van Duijn, Elena Moltchanova, Johan G. Eriksson, Cathy Elks, Bjarke Feenstra, Claudia Flexeder, Stephen Franks, Timothy M. Frayling, Rachel M. Freathy, Paul Elliott, Elisabeth Widén, Hakon Hakonarson, Andrew T. Hattersley, Alina Rodriguez, Marco Banterle, Joachim Heinrich, Barbara Heude, John W. Holloway, Albert Hofman, Elina Hyppönen, Hazel Inskip, Lee M. Kaplan, Asa K. Hedman, Esa Läärä, Holger Prokisch, Harald Grallert, Timo A. Lakka, Debbie A. Lawlor, Mads Melbye, Tarunveer S. Ahluwalia, Marcella Marinelli, Iona Y. Millwood, Lyle J. Palmer, Craig E. Pennell, John R. Perry, Susan M. Ring, Markku Savolainen, Kari Stefansson, Gudmar Thorleifsson, Fernando Rivadeneira, Marie Standl, Jordi Sunyer, Carla M.T. Tiesler, Andre G. Uitterlinden, Inga Prokopenko, Karl-Heinz Herzig, George Davey Smith, Paul O'Reilly, Janine F. Felix, Jessica L. Buxton, Alexandra I.F. Blakemore, Ken K. Ong, Struan F.A. Grant, Vincent W.V. Jaddoe, Mark I. McCarthy, and Marjo-Riitta Järvelin

Subjects
2. Zero hunger, 0303 health sciences, 03 medical and health sciences, 0302 clinical medicine, 030209 endocrinology & metabolism, 030304 developmental biology
Abstract

Early childhood growth patterns are associated with adult metabolic health, but the underlying mechanisms are unclear. We performed genome-wide meta-analyses and follow-up in up to 22,769 European children for six early growth phenotypes derived from longitudinal data: peak height and weight velocities, age and body mass index (BMI) at adiposity peak (AP ~9 months) and rebound (AR ~5-6 years). We identified four associated loci (P< 5x10−8): LEPR/LEPROT with BMI at AP, FTO and TFAP2B with Age at AR and GNPDA2 with BMI at AR. The observed AR-associated SNPs at FTO, TFAP2B and GNPDA2 represent known adult BMI-associated variants. The common BMI at AP associated variant at LEPR/LEPROT was not associated with adult BMI but was associated with LEPROT gene expression levels, especially in subcutaneous fat (P−51). We identify strong positive genetic correlations between early growth and later adiposity traits, and analysis of the full discovery stage results for Age at AR revealed enrichment for insulin-like growth factor 1 (IGF-1) signaling and apolipoprotein pathways. This genome-wide association study suggests mechanistic links between early childhood growth and adiposity in later childhood and adulthood, highlighting these early growth phenotypes as potential targets for the prevention of obesity.

Published
2017
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8. A principal component meta-analysis on multiple anthropometric traits identifies novel loci for body shape

Author

Niina Eklund, Robert C. Kaplan, Niek Verweij, Marcus Richards, Nancy L. Heard-Costa, Angelo Tremblay, Lu Qi, Andres Metspalu, Mark A. Sarzynski, Charleston W. K. Chiang, Tõnu Esko, Jaana Lindström, Pirro G. Hysi, Torben Hansen, James F. Wilson, Serena Sanna, Marie-Claude Vohl, Lynda M. Rose, Daniele Cusi, Megan T. Smith, Anne U. Jackson, Jing Hua Zhao, Anubha Mahajan, Nele Friedrich, Marcel Bruinenberg, Lori L. Bonnycastle, Ilja M. Nolte, Timothy M. Frayling, Weihua Zhang, Lavinia Paternoster, Jenny van Dongen, Torben Jørgensen, Aarno Palotie, Jana V. van Vliet-Ostaptchouk, Martin Farrall, Konstantin Strauch, Jan Smit, Zoltán Kutalik, Anne E. Justice, Elisabeth Widen, Tuomo Rankinen, Timo A. Lakka, Maria Dimitriou, Louis Pérusse, Peter J. van der Most, Yun Ju Sung, George Dedoussis, Caroline Hayward, Tom Wilsgaard, Peter P. Pramstaller, Maria Karaleftheri, Seppo Koskinen, Clive Osmond, Panos Deloukas, David J. Hunter, Kathleen Stirrups, Nicola Glorioso, Andrew T. Hattersley, Hugh Watkins, Sven Bergmann, Eric Boerwinkle, Catharina A. Hartman, Anke Tönjes, Daniel I. Chasman, May E. Montasser, Alan James, Ben A. Oostra, Nigel W. Rayner, Massimo Mangino, Ron T. Gansevoort, Cristina Barlassina, Johanna Kuusisto, Andrew A. Hicks, Roberto Lorbeer, Tomi Laitinen, Narisu Narisu, Stefan R. Bornstein, Gemma Cadby, Johan G. Eriksson, Gudmar Thorleifsson, Erika Salvi, Jari Lahti, Cornelia M. van Duijn, Janina M. Jeff, Heather M. Stringham, Bruce M. Psaty, Thomas W. Winkler, Paul M. Ridker, Unnur Thorsteinsdottir, Lyle J. Palmer, Alexander Teumer, Jürgen Gräßler, Allan Linneberg, Francesca D'Avila, Markku Heliövaara, Harald Grallert, Ivana Kolcic, Kari E. North, Eleftheria Zeggini, James S. Pankow, Alena Standáková, Marjo-Riitta Järvelin, Ozren Polasek, Krista Fischer, Valeriya Lyssenko, Thorkild I. A. Sørensen, André G. Uitterlinden, Stavroula Kanoni, Caroline S. Fox, Sophie R. Wang, Treva Rice, Maria Grazia Pilia, Olli T. Raitakari, Claudia Langenberg, Thomas Sparsø, Emmanouil Tsafantakis, Irene Pichler, Kathy Ryan, Eero Jokinen, Mika Kähönen, Leif Groop, Irene Mateo Leach, Gabriele Müller, Annette Peters, Peter Vollenweider, Oddgeir L. Holmen, David Schlessinger, Paul Knekt, M. Carola Zillikens, Evelin Mihailov, Erkki Vartiainen, Nicholas J. Wareham, Francis S. Collins, Sirkka Keinänen-Kiukaanniemi, Mark I. McCarthy, Joel N. Hirschhorn, Frank B. Hu, Janina S. Ried, Valgerdur Steinthorsdottir, Shapour Jalilzadeh, Peter Kovacs, Anuj Goel, Pim van der Harst, Peter Schwarz, Mathias Gorski, Jorma Viikari, Uwe Völker, Cecilia M. Lindgren, Theodosios Kyriakou, Morris A. Swertz, Inga Prokopenko, Ken K. Ong, Leena Kinnunen, Markus Perola, Kristian Hveem, Matthias Blüher, Rebecca Mills, Albertine J. Oldehinkel, Anders Hamsten, Mattias Lorentzon, Joel Eriksson, Karen L. Mohlke, Rasmus Ribel-Madsen, Pekka Jousilahti, Paolo Manunta, Eva Albrecht, Jeffrey R. O'Connell, Wendy L. McArdle, Amy J. Swift, Dorret I. Boomsma, Harry Campbell, Fracensco Cucca, Aaron Isaacs, Andrew Wong, Georg Homuth, Laura M. Yerges-Armstrong, Carolina Medina-Gomez, Kay-Tee Khaw, Claes Ohlsson, Claude Bouchard, John Blangero, Aliki-Eleni Farmaki, Lorraine Southam, Anette P. Gjesing, Traci M. Bartz, Dabeeru C. Rao, Andrew P. Morris, David P. Strachan, Nita G. Forouhi, Eco J. C. de Geus, Jaakko Tuomilehto, Antti Jula, Ryan W. Walker, Mary F. Feitosa, Reedik Mägi, Aki S. Havulinna, Inger Njølstad, Alan R. Shudiner, Jennifer E. Huffman, Peter Lichtner, Richard N. Bergman, Mariaelisa Graff, Diana Kuh, Tim D. Spector, Robert Luben, Veikko Salomaa, Christian Gieger, Jaspal S. Kooner, Teresa Ferreira, Jennifer L. Bragg-Gresham, Sylvain Sebert, Terho Lehtimäki, Heikki A. Koistinen, Alexandra M. Lewin, Alexessander Couto Alves, Peter S. Chines, Lise Lotte N. Husemoen, Salome Scholtens, Yii-Der Ida Chen, Kati Kristiansson, Barbara McKnight, Sara M. Willems, Rainer Rauramaa, Satu Männistö, Stephan J. L. Bakker, Angela Döring, Audrey Y. Chu, Niels Grarup, Matti Uusitupa, Hannu Puolijoki, L. Adrienne Cupples, Veronique Vitart, Marie Neergaard Harder, Jouke-Jan Hottenga, Kari Stefansson, Alan F. Wright, Igor Rudan, Keri L. Monda, Jian'an Luan, Robert A. Scott, Albert Hofman, Tarunveer S. Ahluwalia, Liesbeth Vandenput, Maija Hassinen, Sarah H. Wild, Iris M. Heid, Brenda W.J.H. Penninx, John C. Chambers, Claire Bellis, Nicholas D. Hastie, Ruth J. F. Loos, Martina Müller-Nurasyid, Johanne Marie Justesen, Gérard Waeber, Jennie Hui, Gonçalo R. Abecasis, Ishminder K. Kooner, Harold Snieder, Judith M. Vonk, Ioanna Tachmazidou, Ronald P. Stolk, Michael Stumvoll, Till Ittermann, Oluf Pedersen, Ingrid B. Borecki, Gonneke Willemsen, Jagvir Grewal, Markku Laakso, Arthur W. Musk, Eero Kajantie, Hans L. Hillege, Michael Boehnke, Cristina Venturini, Lili Milani, John Beilby, Fernando Rivadeneira, Biochemie, RS: FHML MaCSBio, RS: CARIM - R1.06 - Genetic Epidemiology and Genomics of cardiovascular diseases, Goel, Anuj [0000-0003-2307-4021], Jackson, Anne U [0000-0002-9672-2547], Kristiansson, Kati [0000-0003-4688-107X], Medina-Gomez, Carolina [0000-0001-7999-5538], Nolte, Ilja M [0000-0001-5047-4077], Prokopenko, Inga [0000-0003-1624-7457], Teumer, Alexander [0000-0002-8309-094X], Wong, Andrew [0000-0003-2079-4779], Beilby, John [0000-0002-4915-2254], Bergmann, Sven [0000-0002-6785-9034], Strachan, David P [0000-0001-7854-1366], Apollo - University of Cambridge Repository, Life Course Epidemiology (LCE), Cardiovascular Centre (CVC), Groningen Institute for Organ Transplantation (GIOT), Lifestyle Medicine (LM), Groningen Kidney Center (GKC), Interdisciplinary Centre Psychopathology and Emotion regulation (ICPE), Groningen Energy & Sustainability Programme, Groningen Institute for Gastro Intestinal Genetics and Immunology (3GI), Groningen Research Institute for Asthma and COPD (GRIAC), Center for Liver, Digestive and Metabolic Diseases (CLDM), Biological Psychology, EMGO+ - Lifestyle, Overweight and Diabetes, Children's Hospital, Lastentautien yksikkö, Clinicum, Institute for Molecular Medicine Finland, Behavioural Sciences, Johan Eriksson / Principal Investigator, Department of General Practice and Primary Health Care, Department of Medicine, Endokrinologian yksikkö, Aarno Palotie / Principal Investigator, Elisabeth Ingrid Maria Widen / Principal Investigator, University of Helsinki, Leif Groop Research Group, Quantitative Genetics, HUS Children and Adolescents, Developmental Psychology Research Group, Complex Disease Genetics, Genomics of Neurological and Neuropsychiatric Disorders, Genomic Discoveries and Clinical Translation, School of Medicine / Clinical Medicine, School of Medicine / Biomedicine,School of Medicine / Clinical Nutrition, Ried, Janina S., Jeff, Janina M., Chu, Audrey Y., Bragg Gresham, Jennifer L., Van Dongen, Jenny, Huffman, Jennifer E., Ahluwalia, Tarunveer S., Cadby, Gemma, Eklund, Niina, Eriksson, Joel, Esko, Toñu, Feitosa, Mary F., Goel, Anuj, Gorski, Mathia, Hayward, Caroline, Heard Costa, Nancy L., Jackson, Anne U., Jokinen, Eero, Kanoni, Stavroula, Kristiansson, Kati, Kutalik, Zoltán, Lahti, Jari, Luan, Jian'An, Mägi, Reedik, Mahajan, Anubha, Mangino, Massimo, Medina Gomez, Carolina, Monda, Keri L., Nolte, Ilja M., Pérusse, Loui, Prokopenko, Inga, Qi, Lu, Rose, Lynda M., Salvi, Erika, Smith, Megan T., Snieder, Harold, Standáková, Alena, Ju Sung, Yun, Tachmazidou, Ioanna, Teumer, Alexander, Thorleifsson, Gudmar, Van Der Harst, Pim, Walker, Ryan W., Wang, Sophie R., Wild, Sarah H., Willems, Sara M., Wong, Andrew, Zhang, Weihua, Albrecht, Eva, Couto Alves, Alexessander, Bakker, Stephan J. L., Barlassina, Cristina, Bartz, Traci M., Beilby, John, Bellis, Claire, Bergman, Richard N., Bergmann, Sven, Blangero, John, Blüher, Matthia, Boerwinkle, Eric, Bonnycastle, Lori L., Bornstein, Stefan R., Bruinenberg, Marcel, Campbell, Harry, Chen, Yii Der Ida, Chiang, Charleston W. K., Chines, Peter S., Collins, Francis S, Cucca, Fracensco, Cupples, L. Adrienne, D'Avila, Francesca, De Geus, Eco J. C., Dedoussis, George, Dimitriou, Maria, Döring, Angela, Eriksson, Johan G., Farmaki, Aliki Eleni, Farrall, Martin, Ferreira, Teresa, Fischer, Krista, Forouhi, Nita G., Friedrich, Nele, Gjesing, Anette Prior, Glorioso, Nicola, Graff, Mariaelisa, Grallert, Harald, Grarup, Niel, Gräßler, Jürgen, Grewal, Jagvir, Hamsten, Ander, Harder, Marie Neergaard, Hartman, Catharina A., Hassinen, Maija, Hastie, Nichola, Hattersley, Andrew Tym, Havulinna, Aki S., Heliövaara, Markku, Hillege, Han, Hofman, Albert, Holmen, Oddgeir, Homuth, Georg, Hottenga, Jouke Jan, Hui, Jennie, Husemoen, Lise Lotte, Hysi, Pirro G., Isaacs, Aaron, Ittermann, Till, Jalilzadeh, Shapour, James, Alan L., Jørgensen, Torben, Jousilahti, Pekka, Jula, Antti, Marie Justesen, Johanne, Justice, Anne E., Kähönen, Mika, Karaleftheri, Maria, Tee Khaw, Kay, Keinanen Kiukaanniemi, Sirkka M., Kinnunen, Leena, Knekt, Paul B., Koistinen, Heikki A., Kolcic, Ivana, Kooner, Ishminder K., Koskinen, Seppo, Kovacs, Peter, Kyriakou, Theodosio, Laitinen, Tomi, Langenberg, Claudia, Lewin, Alexandra M., Lichtner, Peter, Lindgren, Cecilia M., Lindström, Jaana, Linneberg, Allan, Lorbeer, Roberto, Lorentzon, Mattia, Luben, Robert, Lyssenko, Valeriya, Männistö, Satu, Manunta, Paolo, Leach, Irene Mateo, Mcardle, Wendy L., Mcknight, Barbara, Mohlke, Karen L., Mihailov, Evelin, Milani, Lili, Mills, Rebecca, Montasser, May E., Morris, Andrew P., Müller, Gabriele, Musk, Arthur W., Narisu, Narisu, Ong, Ken K., Oostra, Ben A., Osmond, Clive, Palotie, Aarno, Pankow, James S., Paternoster, Lavinia, Penninx, Brenda W., Pichler, Irene, Pilia, Maria G., Polašek, Ozren, Pramstaller, Peter P., Raitakari, Olli T, Rankinen, Tuomo, Rao, D. C., Rayner, Nigel W., Ribel Madsen, Rasmu, Rice, Treva K., Richards, Marcu, Ridker, Paul M., Rivadeneira, Fernando, Ryan, Kathy A., Sanna, Serena, Sarzynski, Mark A., Scholtens, Salome, Scott, Robert A., Sebert, Sylvain, Southam, Lorraine, Sparsø, Thomas Hempel, Steinthorsdottir, Valgerdur, Stirrups, Kathleen, Stolk, Ronald P., Strauch, Konstantin, Stringham, Heather M., Swertz, Morris A., Swift, Amy J., Tönjes, Anke, Tsafantakis, Emmanouil, Van Der Most, Peter J., Van Vliet Ostaptchouk, Jana V., Vandenput, Liesbeth, Vartiainen, Erkki, Venturini, Cristina, Verweij, Niek, Viikari, Jorma S., Vitart, Veronique, Vohl, Marie Claude, Vonk, Judith M., Waeber, Gérard, Widén, Elisabeth, Willemsen, Gonneke, Wilsgaard, Tom, Winkler, Thomas W., Wright, Alan F., Yerges Armstrong, Laura M., Zhao, Jing Hua, Carola Zillikens, M., Boomsma, Dorret I., Bouchard, Claude, Chambers, John C., Chasman, Daniel I., Cusi, Daniele, Gansevoort, Ron T., Gieger, Christian, Hansen, Torben, Hicks, Andrew A., Hu, Frank, Hveem, Kristian, Jarvelin, Marjo Riitta, Kajantie, Eero, Kooner, Jaspal S., Kuh, Diana, Kuusisto, Johanna, Laakso, Markku, Lakka, Timo A., Lehtimäki, Terho, Metspalu, Andre, Njølstad, Inger, Ohlsson, Clae, Oldehinkel, Albertine J., Palmer, Lyle J., Pedersen, Oluf, Perola, Marku, Peters, Annette, Psaty, Bruce M., Puolijoki, Hannu, Rauramaa, Rainer, Rudan, Igor, Salomaa, Veikko, Schwarz, Peter E. H., Shudiner, Alan R., Smit, Jan H., Sørensen, Thorkild I. A., Spector, Timothy D., Stefansson, Kari, Stumvoll, Michael, Tremblay, Angelo, Tuomilehto, Jaakko, Uitterlinden, André G., Uusitupa, Matti, Völker, Uwe, Vollenweider, Peter, Wareham, Nicholas J., Watkins, Hugh, Wilson, James F., Zeggini, Eleftheria, Abecasis, Goncalo R., Boehnke, Michael, Borecki, Ingrid B., Deloukas, Pano, Van Duijn, Cornelia M., Fox, Caroline, Groop, Leif C., Heid, Iris M., Hunter, David J., Kaplan, Robert C., Mccarthy, Mark I., North, Kari E., O'Connell, Jeffrey R., Schlessinger, David, Thorsteinsdottir, Unnur, Strachan, David P., Frayling, Timothy, Hirschhorn, Joel N., Müller Nurasyid, Martina, Loos, Ruth J. F., Internal medicine, Psychiatry, EMGO - Mental health, Public Health, Epidemiology, Surgery, Internal Medicine, Erasmus MC other, and Child and Adolescent Psychiatry / Psychology

Subjects
0301 basic medicine, Netherlands Twin Register (NTR), Statistical methods, General Physics and Astronomy, Genome-wide association study, Genome-wide association studies, Mice, HEIGHT, Body Size, Mass index, 2. Zero hunger, Genetics, Principal Component Analysis, Multidisciplinary, VDP::Medisinske Fag: 700::Helsefag: 800::Samfunnsmedisin, sosialmedisin: 801, Anthropometry, Chemistry (all), Phenotype, Common, gene, body, shape, Multidisciplinary Sciences, Principal component analysis, Trait, Science & Technology - Other Topics, DIET-INDUCED OBESITY, Waist, Genotype, 515 Psychology, Science, EARLY-ONSET, Snp, BIOLOGY, HIP RATIO, Genome-wide association studies Statistical methods, Biology, General Biochemistry, Genetics and Molecular Biology, Article, 03 medical and health sciences, Physics and Astronomy (all), MASS INDEX, DISEASE ASSOCIATIONS, RESOURCE, MD Multidisciplinary, Humans, GENOME-WIDE ASSOCIATION, Biochemistry, Genetics and Molecular Biology (all), Science & Technology, Models, Genetic, ta1184, FAT DISTRIBUTION, General Chemistry, ta3121, 030104 developmental biology, 3121 General medicine, internal medicine and other clinical medicine, 3111 Biomedicine, VDP::Medical disciplines: 700::Health sciences: 800::Community medicine, Social medicine: 801, Body mass index, Genome-Wide Association Study
Abstract

Large consortia have revealed hundreds of genetic loci associated with anthropometric traits, one trait at a time. We examined whether genetic variants affect body shape as a composite phenotype that is represented by a combination of anthropometric traits. We developed an approach that calculates averaged PCs (AvPCs) representing body shape derived from six anthropometric traits (body mass index, height, weight, waist and hip circumference, waist-to-hip ratio). The first four AvPCs explain >99% of the variability, are heritable, and associate with cardiometabolic outcomes. We performed genome-wide association analyses for each body shape composite phenotype across 65 studies and meta-analysed summary statistics. We identify six novel loci: LEMD2 and CD47 for AvPC1, RPS6KA5/C14orf159 and GANAB for AvPC3, and ARL15 and ANP32 for AvPC4. Our findings highlight the value of using multiple traits to define complex phenotypes for discovery, which are not captured by single-trait analyses, and may shed light onto new pathways., published version, peerReviewed

Published
2016

9. Genome-wide association analysis identifies three new susceptibility loci for childhood body mass index

Author

Virpi Lindi, Clare S. Murray, Liming Liang, Wieland Kiess, Philippe Froguel, Tarunveer S. Ahluwalia, Hakon Hakonarson, Dorret I. Boomsma, Pitkänen Niina Pitkänen, Romy Gaillard, Mandy Geserick, John A. Curtin, Shana E. McCormack, Niinikoski Harri, Jens-Christian Holm, Vicente Gilsanz, Ville Huikari, Maties Torrent, Nicholas J. Timpson, George Dedoussis, Angela Simpson, Struan F.A. Grant, Klaus Bønnelykke, Anubha Mahajan, George McMahon, Raimo Joro, Christel M. Middeldorp, Johan G. Eriksson, Vilor-Tejedor Natalia Vilor-Tejedor, Gerard H. Koppelman, Frank Geller, Amélie Bonnefond, Hanna Maaria Lakka, Jinyan Huang, Craig E. Pennell, Johannes Waage, Jane Wardle, Torben Hansen, Olli T. Raitakari, John A. Shepherd, Lisbeth Carstensen, Andrea Kelly, Katja Pahkala, Jordi Sunyer, Claire M. A. Haworth, Per Magnus, Juan R. González, Babette S. Zemel, Mads Melbye, Steve Franks, Carla M. T. Tiesler, Roland Pfäffle, Momoko Horikoshi, Susan M. Ring, Adnan Custovic, Claudia Flexeder, Claire Monnereau, Heidi J. Kalkwarf, Janine F. Felix, Julie A. Marsh, Thorkild I. A. Sørensen, André G. Uitterlinden, Mustafa Atalay, Jouke-Jan Hottenga, Mark I. McCarthy, Joel N. Hirschhorn, Niels Grarup, Lude Franke, Diana L. Cousminer, Timo A. Lakka, Robert Plomin, Ronny Myhre, Albert Hofman, Baoshan Ma, Eskil Kreiner-Møller, Jesús Vioque, Vincent W. V. Jaddoe, Hans Bisgaard, Bjarke Feenstra, Sylvain Sebert, Evie Stergiakouli, Eleftheria Zeggini, Joachim Heinrich, Bo Jacobsson, Tune H. Pers, Dirkje S. Postma, Elina Hyppönen, Loic Yengo, Haja N. Kadarmideen, Alana Cavadino, Jonathan P. Bradfield, Elisabeth Thiering, Ralf J. P. van der Valk, George Davey Smith, Alexandra I. F. Blakemore, Christine Power, Marjo-Riitta Järvelin, Wei Ang, Ioanna Ntalla, Sharon E. Oberfield, Fernando Rivadeneira, Rebecca K. Vinding, Alexandra M. Lewin, Mika Kähönen, Verena Sengpiel, Maria M. Groen-Blokhuis, Anna-Liisa Hartikainen, Antje Körner, Oluf Pedersen, Joyce B. J. van Meurs, Alessandra Chesi, Widén Elisabeth Widén, Terho Lehtimäki, Thomas S. Price, Frank D. Mentch, Joan M. Lappe, Leo-Pekka Lyytikäinen, Groningen Institute for Gastro Intestinal Genetics and Immunology (3GI), Groningen Research Institute for Asthma and COPD (GRIAC), Stem Cell Aging Leukemia and Lymphoma (SALL), Early Growth Genetics (EGG) Consortium, Bone Mineral Density in Childhood Study (BMDCS), Early Genetics and Lifecourse Epidemiology (EAGLE) consortium, Felix, Janine F, Bradfield, Jonathan P, Monnereau, Claire, van der Valk, Ralf JP, Hypponen, Elina, Jaddoe, Vincent WV, Biological Psychology, EMGO+ - Lifestyle, Overweight and Diabetes, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, Erasmus MC other, Epidemiology, Pediatrics, Child and Adolescent Psychiatry / Psychology, Internal Medicine, and Public Health

Subjects
0301 basic medicine, Netherlands Twin Register (NTR), Male, ADAM23, Genome-wide association study, VARIANTS, ENVIRONMENTAL-FACTORS, Body Mass Index, Child, Genetics (clinical), 2. Zero hunger, Genetics, education.field_of_study, Association Studies Articles, General Medicine, INSIGHTS, Child, Preschool, Female, childhood obesity, EXPRESSION, Adult, Risk, Adolescent, Population, body mass index, Single-nucleotide polymorphism, Biology, ta3111, Polymorphism, Single Nucleotide, Childhood obesity, White People, 03 medical and health sciences, Young Adult, children, SDG 3 - Good Health and Well-being, medicine, Humans, Obesity, Allele, education, Molecular Biology, METAANALYSIS, Genetic association, FAT DISTRIBUTION, ta3121, medicine.disease, ta3123, GENE, 030104 developmental biology, Genetic Loci, WEIGHT, Body mass index, Genome-Wide Association Study
Abstract

A large number of genetic loci are associated with adult body mass index. However, the genetics of childhood body mass index are largely unknown. We performed a meta-analysis of genome-wide association studies of childhood body mass index, using sex- and age-adjusted standard deviation scores. We included 35 668 children from 20 studies in the discovery phase and 11 873 children from 13 studies in the replication phase. In total, 15 loci reached genome-wide significance (P-value < 5 × 10−8) in the joint discovery and replication analysis, of which 12 are previously identified loci in or close to ADCY3, GNPDA2, TMEM18, SEC16B, FAIM2, FTO, TFAP2B, TNNI3K, MC4R, GPR61, LMX1B and OLFM4 associated with adult body mass index or childhood obesity. We identified three novel loci: rs13253111 near ELP3, rs8092503 near RAB27B and rs13387838 near ADAM23. Per additional risk allele, body mass index increased 0.04 Standard Deviation Score (SDS) [Standard Error (SE) 0.007], 0.05 SDS (SE 0.008) and 0.14 SDS (SE 0.025), for rs13253111, rs8092503 and rs13387838, respectively. A genetic risk score combining all 15 SNPs showed that each additional average risk allele was associated with a 0.073 SDS (SE 0.011, P-value = 3.12 × 10−10) increase in childhood body mass index in a population of 1955 children. This risk score explained 2% of the variance in childhood body mass index. This study highlights the shared genetic background between childhood and adult body mass index and adds three novel loci. These loci likely represent age-related differences in strength of the associations with body mass index. Refereed/Peer-reviewed

Published
2015

10. Balancing the robustness and predictive performance of biomarkers

Author

Aviva Witkover, Paul D. W. Kirk, Charles R. M. Bangham, Alexandra M. Lewin, Sylvia Richardson, and Michael P. H. Stumpf

Subjects
Elastic net regularization, Computer science, Stability (learning theory), Context (language use), Machine learning, computer.software_genre, Logistic regression, Article, Predictive Value of Tests, Robustness (computer science), Genetics, Humans, Computer Simulation, Biomarker discovery, Molecular Biology, Human T-lymphotropic virus 1, Likelihood Functions, business.industry, Experimental data, Statistical model, HTLV-I Infections, Paraparesis, Tropical Spastic, Computational Mathematics, Computational Theory and Mathematics, Modeling and Simulation, Artificial intelligence, Data mining, business, computer, Algorithms, Biomarkers
Abstract

Recent studies have highlighted the importance of assessing the robustness of putative biomarkers identified from experimental data. This has given rise to the concept of stable biomarkers, which are ones that are consistently identified regardless of small perturbations to the data. Since stability is not by itself a useful objective, we present a number of strategies that combine assessments of stability and predictive performance in order to identify biomarkers that are both robust and diagnostically useful. Moreover, by wrapping these strategies around logistic regression classifiers regularized by the elastic net penalty, we are able to assess the effects of correlations between biomarkers upon their perceived stability. We use a synthetic example to illustrate the properties of our proposed strategies. In this example, we find that: (i) assessments of stability can help to reduce the number of false-positive biomarkers, although potentially at the cost of missing some true positives; (ii) combining assessments of stability with assessments of predictive performance can improve the true positive rate; and (iii) correlations between biomarkers can have adverse effects on their stability and hence must be carefully taken into account when undertaking biomarker discovery. We then apply our strategies in a proteomics context to identify a number of robust candidate biomarkers for the human disease HTLV1-associated myelopathy/tropical spastic paraparesis (HAM/TSP).

Published
2013

11. Plasma proteome analysis in HTLV-1-associated myelopathy/tropical spastic paraparesis

Author

Paul D. W. Kirk, Robin Wait, Charles R. M. Bangham, Sylvia Richardson, Graham P. Taylor, Michael P. H. Stumpf, Alan Courtney, Alexandra M. Lewin, and Aviva Witkover

Subjects
lcsh:Immunologic diseases. Allergy, Pathology, medicine.medical_specialty, Proteome, Human T-lymphotropic virus, Asymptomatic, Spinal Cord Diseases, Cohort Studies, Pathogenesis, Plasma, Myelopathy, immune system diseases, Virology, hemic and lymphatic diseases, Tropical spastic paraparesis, Humans, Medicine, Human T-lymphotropic virus 1, biology, business.industry, Research, Multiple sclerosis, virus diseases, Blood Proteins, medicine.disease, biology.organism_classification, HTLV-I Infections, QP, Paraparesis, Tropical Spastic, Infectious Diseases, Case-Control Studies, Carrier State, Immunology, Apolipoprotein A2, medicine.symptom, lcsh:RC581-607, business
Abstract

Background Human T lymphotropic virus Type 1 (HTLV-1) causes a chronic inflammatory disease of the central nervous system known as HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM) which resembles chronic spinal forms of multiple sclerosis (MS). The pathogenesis of HAM remains uncertain. To aid in the differential diagnosis of HAM and to identify pathogenetic mechanisms, we analysed the plasma proteome in asymptomatic HTLV-1 carriers (ACs), patients with HAM, uninfected controls, and patients with MS. We used surface-enhanced laser desorption-ionization (SELDI) mass spectrometry to analyse the plasma proteome in 68 HTLV-1-infected individuals (in two non-overlapping sets, each comprising 17 patients with HAM and 17 ACs), 16 uninfected controls, and 11 patients with secondary progressive MS. Candidate biomarkers were identified by tandem Q-TOF mass spectrometry. Results The concentrations of three plasma proteins - high [β2-microglobulin], high [Calgranulin B], and low [apolipoprotein A2] - were specifically associated with HAM, independently of proviral load. The plasma [β2-microglobulin] was positively correlated with disease severity. Conclusions The results indicate that monocytes are activated by contact with activated endothelium in HAM. Using β2-microglobulin and Calgranulin B alone we derive a diagnostic algorithm that correctly classified the disease status (presence or absence of HAM) in 81% of HTLV-1-infected subjects in the cohort.

Published
2011

12. Three plasma biomarkers of HTLV-1-associated myelopathy/tropical spastic paraparesis

Author

Aviva Witkover, Charles R. M. Bangham, Alan Courtney, Robin Wait, Paul D. W. Kirk, Graham P. Taylor, Sylvia Richardson, Michael P. H. Stumpf, and Alexandra M. Lewin

Subjects
lcsh:Immunologic diseases. Allergy, Pathology, medicine.medical_specialty, biology, business.industry, virus diseases, Provirus, medicine.disease, Peripheral blood mononuclear cell, Blood proteins, Pathogenesis, Infectious Diseases, Immune system, immune system diseases, hemic and lymphatic diseases, Virology, Meeting Abstract, Immunology, Tropical spastic paraparesis, biology.protein, Medicine, Apolipoprotein A2, Antibody, business, lcsh:RC581-607
Abstract

The pathogenesis of HAM remains uncertain: the disease is thought to be caused by the immune response to HTLV-1, possibly by bystander damage to neurons in the spinal cord. The strongest correlate of HAM in HTLV-1-infected individuals is the proviral load of HTLV-1, i.e. the percentage of peripheral blood mononuclear cells that carry the provirus. To aid in the differential diagnosis of HAM, and to search for clues as to the pathogenetic mechanisms of the disease, we carried out SELDI mass spectrometry on plasma samples from 68 HTLV-1-positive individuals, 16 uninfected controls and 11 patients with secondary progressive MS. We identified three plasma protein biomarkers that are specifically associated with HAM, independently of proviral load. The three proteins were identified by tandem mass spectrometry as b2-microglobulin, calgranulin B, and apolipoprotein A2. Using the two most strongly associated biomarkers, b2-microglobulin and calgranulin B, we derive a simple algorithm that correctly classified the disease status (presence or absence of HAM) in 81% of HTLV-1-infected subjects in the cohort.

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