Abstract
Obesity is a genetically heterogeneous disorder. Using targeted and whole-exome sequencing, we studied 32 human and 87 rodent obesity genes in 2,548 severely obese children and 1,117 controls. We identified 52 variants contributing to obesity in 2% of cases including multiple novel variants in GNAS, which were sometimes found with accelerated growth rather than short stature as described previously. Nominally significant associations were found for rare functional variants in BBS1, BBS9, GNAS, MKKS, CLOCK and ANGPTL6. The p.S284X variant in ANGPTL6 drives the association signal (rs201622589, MAF∼0.1%, odds ratio = 10.13, p-value = 0.042) and results in complete loss of secretion in cells. Further analysis including additional case-control studies and population controls (N = 260,642) did not support association of this variant with obesity (odds ratio = 2.34, p-value = 2.59 × 10-3), highlighting the challenges of testing rare variant associations and the need for very large sample sizes. Further validation in cohorts with severe obesity and engineering the variants in model organisms will be needed to explore whether human variants in ANGPTL6 and other genes that lead to obesity when deleted in mice, do contribute to obesity. Such studies may yield druggable targets for weight loss therapies.
Original language | English |
---|---|
Article number | 4394 |
Journal | Scientific Reports |
Volume | 7 |
Issue number | 1 |
DOIs | |
Publication status | Published - 1 Dec 2017 |
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In: Scientific Reports, Vol. 7, No. 1, 4394, 01.12.2017.
Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Rare Variant Analysis of Human and Rodent Obesity Genes in Individuals with Severe Childhood Obesity
AU - Hendricks, Audrey E.
AU - Bochukova, Elena G.
AU - Marenne, Gaëlle
AU - Keogh, Julia M.
AU - Atanassova, Neli
AU - Bounds, Rebecca
AU - Wheeler, Eleanor
AU - Mistry, Vanisha
AU - Henning, Elana
AU - Körner, Antje
AU - Muddyman, Dawn
AU - McCarthy, Shane
AU - Hinney, Anke
AU - Hebebrand, Johannes
AU - Scott, Robert A.
AU - Langenberg, Claudia
AU - Wareham, Nick J
AU - Surendran, Praveen
AU - Howson, Joanna M M
AU - Butterworth, Adam S.
AU - Danesh, John
AU - Nordestgaard, Børge G.
AU - Nielsen, Sune F.
AU - Afzal, Shoaib
AU - Papadia, Sofia
AU - Ashford, Sofie
AU - Garg, Sumedha
AU - Millhauser, Glenn L.
AU - Palomino, Rafael I.
AU - Kwasniewska, Alexandra
AU - Tachmazidou, Ioanna
AU - O'Rahilly, Stephen
AU - Zeggini, Eleftheria
AU - Barroso, Inês
AU - Farooqi, I. Sadaf
AU - Benzeval, Michaela
AU - Burton, Jonathan
AU - Buck, Nicholas
AU - Jäckle, Annette
AU - Kumari, Meena
AU - Laurie, Heather
AU - Lynn, Peter
AU - Pudney, Stephen
AU - Rabe, Birgitta
AU - Wolke, Dieter
AU - Overvad, Kim
AU - Tjønneland, Anne
AU - Clavel-Chapelon, Francoise
AU - Kaaks, Rudolf
AU - Boeing, Heiner
AU - Trichopoulou, Antonia
AU - Ferrari, Pietro
AU - Palli, Domenico
AU - Krogha, Vittorio
AU - Panico, Salvatore
AU - Tuminoa, Rosario
AU - Matullo, Giuseppe
AU - Boer, Jolanda
AU - Van Der Schouw, Yvonne T.
AU - Weiderpass, Elisabete
AU - Quiros, J. Ramon
AU - Sánchez, María José
AU - Navarro, Carmen
AU - Moreno-Iribas, Conchi
AU - Arriola, Larraitz
AU - Melander, Olle
AU - Wennberg, Patrik
AU - Key, Timothy J.
AU - Riboli, Elio
AU - Turki, Saeed Al
AU - Anderson, Carl A.
AU - Anney, Richard
AU - Antony, Dinu
AU - Soler Artigas, María
AU - Ayub, Muhammad
AU - Bala, Senduran
AU - Barrett, Jeffrey C.
AU - Beales, Phil
AU - Bentham, Jamie
AU - Bhattacharyaa, Shoumo
AU - Birney, Ewan
AU - Blackwooda, Douglas
AU - Bobrow, Martin
AU - Bolton, Patrick F.
AU - Boustred, Chris
AU - Breen, Gerome
AU - Calissanoa, Mattia
AU - Carss, Keren
AU - Charlton, Ruth
AU - Chatterjee, Krishna
AU - Chen, Lu
AU - Ciampia, Antonio
AU - Cirak, Sebahattin
AU - Clapham, Peter
AU - Clement, Gail
AU - Coates, Guy
AU - Coccaa, Massimiliano
AU - Collier, David A.
AU - Cosgrove, Catherine
AU - Coxa, Tony
AU - Craddock, Nick
AU - Crooks, Lucy
AU - Curran, Sarah
AU - Curtis, David
AU - Daly, Allan
AU - Danecek, Petr
AU - Day, Ian N.M.
AU - Day-Williams, Aaron
AU - Dominiczak, Anna F.
AU - Down, Thomas
AU - Du, Yuanping
AU - Dunham, Ian
AU - Durbin, Richard
AU - Edkins, Sarah
AU - Ekong, Rosemary
AU - Ellis, Peter
AU - Evansa, David M.
AU - Fitzpatrick, David R.
AU - Flicek, Paul
AU - Floyd, James
AU - Foley, A. Reghan
AU - Franklin, Christopher S.
AU - Futema, Marta
AU - Gallagher, Louise
AU - Gaunt, Tom R.
AU - Geihs, Matthias
AU - Geschwind, Daniel
AU - Greenwood, Celia M T
AU - Griffin, Heather
AU - Grozeva, Detelina
AU - Guo, Xiaosen
AU - Guo, Xueqin
AU - Gurling, Hugh
AU - Hart, Deborah
AU - Holmans, Peter A.
AU - Howie, Bryan
AU - Huang, Jie
AU - Huang, Liren
AU - Hubbard, Tim
AU - Humphries, Steve E.
AU - Hurles, Matthew E.
AU - Hysi, Pirro G.
AU - Iotchkova, Valentina
AU - Jackson, David K.
AU - Jamshidi, Yalda
AU - Joyce, Chris
AU - Karczewski, Konrad J.
AU - Kaye, Jane
AU - Keane, Thomas
AU - Kemp, John P.
AU - Kennedy, Karen
AU - Kent, Alastair
AU - Khawaja, Farrah
AU - Van Kogelenberg, Margriet
AU - Kolb-Kokocinski, Anja
AU - Lachance, Genevieve
AU - Langford, Cordelia
AU - Lawson, Daniel
AU - Lee, Irene
AU - Lek, Monkol
AU - Li, Rui
AU - Li, Yingrui
AU - Liang, Jieqin
AU - Lin, Hong
AU - Liu, Ryan
AU - Lönnqvist, Jouko
AU - Lopes, Luis R.
AU - Lopes, Margarida
AU - MacArthur, Daniel G.
AU - Mangino, Massimo
AU - Marchini, Jonathan
AU - Maslen, John
AU - Mathieson, Iain
AU - McGuffin, Peter
AU - McIntosh, Andrew M.
AU - McKechanie, Andrew G.
AU - McQuillin, Andrew
AU - Memari, Yasin
AU - Metrustry, Sarah
AU - Migone, Nicola
AU - Min, Josine L.
AU - Mitchison, Hannah M.
AU - Moayyeri, Alireza
AU - Morris, Andrew P.
AU - Morris, James
AU - Muntoni, Francesco
AU - Northstone, Kate
AU - O'Donovan, Michael C.
AU - Onoufriadis, Alexandros
AU - Oualkacha, Karim
AU - Owen, Michael J.
AU - Palotie, Aarno
AU - Panoutsopoulou, Kalliope
AU - Parker, Victoria
AU - Parr, Jeremy R.
AU - Paternoster, Lavinia
AU - Paunio, Tiina
AU - Payne, Felicity
AU - Payne, Stewart J.
AU - Perry, John R B
AU - Pietilainen, Olli
AU - Plagnol, Vincent
AU - Pollitt, Rebecca C.
AU - Porteous, David J.
AU - Povey, Sue
AU - Quail, Michael A.
AU - Quaye, Lydia
AU - Raymond, F. Lucy
AU - Rehnström, Karola
AU - Richards, J. Brent
AU - Ridout, Cheryl K.
AU - Ring, Susan M.
AU - Ritchie, Graham R.S.
AU - Roberts, Nicola
AU - Robinson, Rachel L.
AU - Savage, David B.
AU - Scambler, Peter
AU - Schiffels, Stephan
AU - Schmidts, Miriam
AU - Schoenmakers, Nadia
AU - Scott, Richard H.
AU - Semple, Robert K.
AU - Serra, Eva
AU - Sharp, Sally I.
AU - Shaw, Adam
AU - Shihab, Hashem A.
AU - Shin, So Youn
AU - Skuse, David
AU - Small, Kerrin S.
AU - Smee, Carol
AU - Smith, Blair H.
AU - Davey Smith, George
AU - Soranzo, Nicole
AU - Southam, Lorraine
AU - Spasic-Boskovic, Olivera
AU - Spector, Timothy D.
AU - St Clair, David
AU - St Pourcain, Beate
AU - Stalker, Jim
AU - Stevens, Elizabeth
AU - Sun, Jianping
AU - Surdulescu, Gabriela L.
AU - Suvisaari, Jaana
AU - Syrris, Petros
AU - Taylor, Rohan
AU - Tian, Jing
AU - Timpson, Nicholas J.
AU - Tobin, Martin D.
AU - Valdes, Ana M.
AU - Vandersteen, Anthony M.
AU - Vijayarangakannan, Parthiban
AU - Visscher, Peter M.
AU - Wain, Louise V.
AU - Walter, Klaudia
AU - Walters, James T R
AU - Wang, Guangbiao
AU - Wang, Jun
AU - Wang, Yu
AU - Ward, Kirsten
AU - Whyte, Tamieka
AU - Williams, Hywel J.
AU - Williamson, Kathleen A.
AU - Wilson, Crispian
AU - Wilson, Scott G.
AU - Wong, Kim
AU - Xu, Changjiang
AU - Yang, Jian
AU - Zhang, Hai Feng
AU - Zhang, Pingbo
AU - Zheng, Hou-Feng
PY - 2017/12/1
Y1 - 2017/12/1
N2 - Obesity is a genetically heterogeneous disorder. Using targeted and whole-exome sequencing, we studied 32 human and 87 rodent obesity genes in 2,548 severely obese children and 1,117 controls. We identified 52 variants contributing to obesity in 2% of cases including multiple novel variants in GNAS, which were sometimes found with accelerated growth rather than short stature as described previously. Nominally significant associations were found for rare functional variants in BBS1, BBS9, GNAS, MKKS, CLOCK and ANGPTL6. The p.S284X variant in ANGPTL6 drives the association signal (rs201622589, MAF∼0.1%, odds ratio = 10.13, p-value = 0.042) and results in complete loss of secretion in cells. Further analysis including additional case-control studies and population controls (N = 260,642) did not support association of this variant with obesity (odds ratio = 2.34, p-value = 2.59 × 10-3), highlighting the challenges of testing rare variant associations and the need for very large sample sizes. Further validation in cohorts with severe obesity and engineering the variants in model organisms will be needed to explore whether human variants in ANGPTL6 and other genes that lead to obesity when deleted in mice, do contribute to obesity. Such studies may yield druggable targets for weight loss therapies.
AB - Obesity is a genetically heterogeneous disorder. Using targeted and whole-exome sequencing, we studied 32 human and 87 rodent obesity genes in 2,548 severely obese children and 1,117 controls. We identified 52 variants contributing to obesity in 2% of cases including multiple novel variants in GNAS, which were sometimes found with accelerated growth rather than short stature as described previously. Nominally significant associations were found for rare functional variants in BBS1, BBS9, GNAS, MKKS, CLOCK and ANGPTL6. The p.S284X variant in ANGPTL6 drives the association signal (rs201622589, MAF∼0.1%, odds ratio = 10.13, p-value = 0.042) and results in complete loss of secretion in cells. Further analysis including additional case-control studies and population controls (N = 260,642) did not support association of this variant with obesity (odds ratio = 2.34, p-value = 2.59 × 10-3), highlighting the challenges of testing rare variant associations and the need for very large sample sizes. Further validation in cohorts with severe obesity and engineering the variants in model organisms will be needed to explore whether human variants in ANGPTL6 and other genes that lead to obesity when deleted in mice, do contribute to obesity. Such studies may yield druggable targets for weight loss therapies.
UR - http://www.scopus.com/inward/record.url?scp=85021671193&partnerID=8YFLogxK
U2 - 10.1038/s41598-017-03054-8
DO - 10.1038/s41598-017-03054-8
M3 - Article
C2 - 28663568
AN - SCOPUS:85021671193
SN - 2045-2322
VL - 7
JO - Scientific Reports
JF - Scientific Reports
IS - 1
M1 - 4394
ER -