E A Katsareli1, C Amerikanou1, K Rouskas2, A Dimopoulos3, T Diamantis4, A Alexandrou4, J Griniatsos4, S Bourgeois5, E Dermitzakis6, J Ragoussis7, A S Dimas2, G V Dedoussis8. 1. Harokopio University of Athens, Department of Nutrition and Dietetics, Athens, Greece. 2. Biomedical Sciences Research Center Al. Fleming, 16672, Vari, Greece. 3. Hellenic Naval Academy, Hatzikyriakou Ave., 18539, Piraeus, Greece. 4. Department of Surgery, National and Kapodistrian University of Athens, Medical School, Laiko Hospital, Agiou Thoma 17str, GR 115-27, Athens, Greece. 5. The William Harvey Research Institute - Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK. 6. Department of Genetic Medicine and Development, University of Geneva Medical School, Geneva, Switzerland. 7. McGill University Genome Centre and Department of Human Genetics, McGill University, Montréal, Quebec, Canada. 8. Harokopio University of Athens, Department of Nutrition and Dietetics, Athens, Greece. dedousi@hua.gr.
Abstract
BACKGROUND: Sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB) are the most frequent bariatric surgery procedures worldwide. In this prospective study, we examined the association of a genetic risk score (GRS) with loss of excess weight after bariatric surgery. METHODS: A total of forty-seven morbidly obese Greek patients who underwent SG (81%) or RYGB were recruited, followed up for 2 years and genotyped. Weight loss after surgery was reported as the percentage of excess weight that was lost (%EWL) at 12 and 24 months after surgery. A GRS was constructed based on previously BMI- and WHR-related single nucleotide polymorphisms (SNPs) that were found significantly correlated with weight loss after bariatric surgery in our population. The level of post-surgery %EWL after 12 and 24 months was estimated through two multiple linear regression models that considered the effects of relevant genetic risk variants. RESULTS: The first proposed model suggested that the predictor variables of GRS, age, and BMI had a significant effect on %EWL12m. GRS was significantly associated with %EWL12m, indicating a 4.618% decrease of %EWL12m per score unit. The second model indicated a positive correlation between %EWL24m and %EWL12m, suggesting that while post-surgery weight loss increased during the first 12 months, an increase was expected in the next 12 months as well. GRS was also significantly associated with %EWL24m, indicating approximately 3% decrease of %EWL24m per score unit. CONCLUSION: GRS can be used in the future together with other preoperative parameters in order to predict the outcome of bariatric surgery.
BACKGROUND: Sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB) are the most frequent bariatric surgery procedures worldwide. In this prospective study, we examined the association of a genetic risk score (GRS) with loss of excess weight after bariatric surgery. METHODS: A total of forty-seven morbidly obese Greek patients who underwent SG (81%) or RYGB were recruited, followed up for 2 years and genotyped. Weight loss after surgery was reported as the percentage of excess weight that was lost (%EWL) at 12 and 24 months after surgery. A GRS was constructed based on previously BMI- and WHR-related single nucleotide polymorphisms (SNPs) that were found significantly correlated with weight loss after bariatric surgery in our population. The level of post-surgery %EWL after 12 and 24 months was estimated through two multiple linear regression models that considered the effects of relevant genetic risk variants. RESULTS: The first proposed model suggested that the predictor variables of GRS, age, and BMI had a significant effect on %EWL12m. GRS was significantly associated with %EWL12m, indicating a 4.618% decrease of %EWL12m per score unit. The second model indicated a positive correlation between %EWL24m and %EWL12m, suggesting that while post-surgery weight loss increased during the first 12 months, an increase was expected in the next 12 months as well. GRS was also significantly associated with %EWL24m, indicating approximately 3% decrease of %EWL24m per score unit. CONCLUSION: GRS can be used in the future together with other preoperative parameters in order to predict the outcome of bariatric surgery.
Entities:
Keywords:
%EWL; Genetic risk score; Multiple linear regression; One-way ANOVA; Roux-en Y gastric bypass; Sleeve gastrectomy
Authors: G Craig Wood; Peter N Benotti; Clare J Lee; Tooraj Mirshahi; Christopher D Still; Glenn S Gerhard; Michelle R Lent Journal: JAMA Surg Date: 2016-11-01 Impact factor: 14.766
Authors: Ida J Hatoum; Nicholas Stylopoulos; Amanda M Vanhoose; Kelli L Boyd; Deng Ping Yin; Kate L J Ellacott; Lian Li Ma; Kasia Blaszczyk; Julia M Keogh; Roger D Cone; I Sadaf Farooqi; Lee M Kaplan Journal: J Clin Endocrinol Metab Date: 2012-04-06 Impact factor: 5.958
Authors: Laura J Rasmussen-Torvik; Abigail S Baldridge; Jennifer A Pacheco; Sharon A Aufox; Kwang-Youn A Kim; Jonathan C Silverstein; Erwin W Denham; Eric Hungness; Maureen E Smith; Philip Greenland Journal: Obes Surg Date: 2015-11 Impact factor: 4.129
Authors: P Käkelä; T Jääskeläinen; J Torpström; I Ilves; S Venesmaa; M Pääkkönen; H Gylling; H Paajanen; M Uusitupa; J Pihlajamäki Journal: Obes Surg Date: 2014-01 Impact factor: 4.129
Authors: Iris M Heid; Anne U Jackson; Joshua C Randall; Thomas W Winkler; Lu Qi; Valgerdur Steinthorsdottir; Gudmar Thorleifsson; M Carola Zillikens; Elizabeth K Speliotes; Reedik Mägi; Tsegaselassie Workalemahu; Charles C White; Nabila Bouatia-Naji; Tamara B Harris; Sonja I Berndt; Erik Ingelsson; Cristen J Willer; Michael N Weedon; Jian'an Luan; Sailaja Vedantam; Tõnu Esko; Tuomas O Kilpeläinen; Zoltán Kutalik; Shengxu Li; Keri L Monda; Anna L Dixon; Christopher C Holmes; Lee M Kaplan; Liming Liang; Josine L Min; Miriam F Moffatt; Cliona Molony; George Nicholson; Eric E Schadt; Krina T Zondervan; Mary F Feitosa; Teresa Ferreira; Hana Lango Allen; Robert J Weyant; Eleanor Wheeler; Andrew R Wood; Karol Estrada; Michael E Goddard; Guillaume Lettre; Massimo Mangino; Dale R Nyholt; Shaun Purcell; Albert Vernon Smith; Peter M Visscher; Jian Yang; Steven A McCarroll; James Nemesh; Benjamin F Voight; Devin Absher; Najaf Amin; Thor Aspelund; Lachlan Coin; Nicole L Glazer; Caroline Hayward; Nancy L Heard-Costa; Jouke-Jan Hottenga; Asa Johansson; Toby Johnson; Marika Kaakinen; Karen Kapur; Shamika Ketkar; Joshua W Knowles; Peter Kraft; Aldi T Kraja; Claudia Lamina; Michael F Leitzmann; Barbara McKnight; Andrew P Morris; Ken K Ong; John R B Perry; Marjolein J Peters; Ozren Polasek; Inga Prokopenko; Nigel W Rayner; Samuli Ripatti; Fernando Rivadeneira; Neil R Robertson; Serena Sanna; Ulla Sovio; Ida Surakka; Alexander Teumer; Sophie van Wingerden; Veronique Vitart; Jing Hua Zhao; Christine Cavalcanti-Proença; Peter S Chines; Eva Fisher; Jennifer R Kulzer; Cecile Lecoeur; Narisu Narisu; Camilla Sandholt; Laura J Scott; Kaisa Silander; Klaus Stark; Mari-Liis Tammesoo; Tanya M Teslovich; Nicholas John Timpson; Richard M Watanabe; Ryan Welch; Daniel I Chasman; Matthew N Cooper; John-Olov Jansson; Johannes Kettunen; Robert W Lawrence; Niina Pellikka; Markus Perola; Liesbeth Vandenput; Helene Alavere; Peter Almgren; Larry D Atwood; Amanda J Bennett; Reiner Biffar; Lori L Bonnycastle; Stefan R Bornstein; Thomas A Buchanan; Harry Campbell; Ian N M Day; Mariano Dei; Marcus Dörr; Paul Elliott; Michael R Erdos; Johan G Eriksson; Nelson B Freimer; Mao Fu; Stefan Gaget; Eco J C Geus; Anette P Gjesing; Harald Grallert; Jürgen Grässler; Christopher J Groves; Candace Guiducci; Anna-Liisa Hartikainen; Neelam Hassanali; Aki S Havulinna; Karl-Heinz Herzig; Andrew A Hicks; Jennie Hui; Wilmar Igl; Pekka Jousilahti; Antti Jula; Eero Kajantie; Leena Kinnunen; Ivana Kolcic; Seppo Koskinen; Peter Kovacs; Heyo K Kroemer; Vjekoslav Krzelj; Johanna Kuusisto; Kirsti Kvaloy; Jaana Laitinen; Olivier Lantieri; G Mark Lathrop; Marja-Liisa Lokki; Robert N Luben; Barbara Ludwig; Wendy L McArdle; Anne McCarthy; Mario A Morken; Mari Nelis; Matt J Neville; Guillaume Paré; Alex N Parker; John F Peden; Irene Pichler; Kirsi H Pietiläinen; Carl G P Platou; Anneli Pouta; Martin Ridderstråle; Nilesh J Samani; Jouko Saramies; Juha Sinisalo; Jan H Smit; Rona J Strawbridge; Heather M Stringham; Amy J Swift; Maris Teder-Laving; Brian Thomson; Gianluca Usala; Joyce B J van Meurs; Gert-Jan van Ommen; Vincent Vatin; Claudia B Volpato; Henri Wallaschofski; G Bragi Walters; Elisabeth Widen; Sarah H Wild; Gonneke Willemsen; Daniel R Witte; Lina Zgaga; Paavo Zitting; John P Beilby; Alan L James; Mika Kähönen; Terho Lehtimäki; Markku S Nieminen; Claes Ohlsson; Lyle J Palmer; Olli Raitakari; Paul M Ridker; Michael Stumvoll; Anke Tönjes; Jorma Viikari; Beverley Balkau; Yoav Ben-Shlomo; Richard N Bergman; Heiner Boeing; George Davey Smith; Shah Ebrahim; Philippe Froguel; Torben Hansen; Christian Hengstenberg; Kristian Hveem; Bo Isomaa; Torben Jørgensen; Fredrik Karpe; Kay-Tee Khaw; Markku Laakso; Debbie A Lawlor; Michel Marre; Thomas Meitinger; Andres Metspalu; Kristian Midthjell; Oluf Pedersen; Veikko Salomaa; Peter E H Schwarz; Tiinamaija Tuomi; Jaakko Tuomilehto; Timo T Valle; Nicholas J Wareham; Alice M Arnold; Jacques S Beckmann; Sven Bergmann; Eric Boerwinkle; Dorret I Boomsma; Mark J Caulfield; Francis S Collins; Gudny Eiriksdottir; Vilmundur Gudnason; Ulf Gyllensten; Anders Hamsten; Andrew T Hattersley; Albert Hofman; Frank B Hu; Thomas Illig; Carlos Iribarren; Marjo-Riitta Jarvelin; W H Linda Kao; Jaakko Kaprio; Lenore J Launer; Patricia B Munroe; Ben Oostra; Brenda W Penninx; Peter P Pramstaller; Bruce M Psaty; Thomas Quertermous; Aila Rissanen; Igor Rudan; Alan R Shuldiner; Nicole Soranzo; Timothy D Spector; Ann-Christine Syvanen; Manuela Uda; André Uitterlinden; Henry Völzke; Peter Vollenweider; James F Wilson; Jacqueline C Witteman; Alan F Wright; Gonçalo R Abecasis; Michael Boehnke; Ingrid B Borecki; Panos Deloukas; Timothy M Frayling; Leif C Groop; Talin Haritunians; David J Hunter; Robert C Kaplan; Kari E North; Jeffrey R O'Connell; Leena Peltonen; David Schlessinger; David P Strachan; Joel N Hirschhorn; Themistocles L Assimes; H-Erich Wichmann; Unnur Thorsteinsdottir; Cornelia M van Duijn; Kari Stefansson; L Adrienne Cupples; Ruth J F Loos; Inês Barroso; Mark I McCarthy; Caroline S Fox; Karen L Mohlke; Cecilia M Lindgren Journal: Nat Genet Date: 2010-10-10 Impact factor: 38.330
Authors: Elizabeth K Speliotes; Cristen J Willer; Sonja I Berndt; Keri L Monda; Gudmar Thorleifsson; Anne U Jackson; Hana Lango Allen; Cecilia M Lindgren; Jian'an Luan; Reedik Mägi; Joshua C Randall; Sailaja Vedantam; Thomas W Winkler; Lu Qi; Tsegaselassie Workalemahu; Iris M Heid; Valgerdur Steinthorsdottir; Heather M Stringham; Michael N Weedon; Eleanor Wheeler; Andrew R Wood; Teresa Ferreira; Robert J Weyant; Ayellet V Segrè; Karol Estrada; Liming Liang; James Nemesh; Ju-Hyun Park; Stefan Gustafsson; Tuomas O Kilpeläinen; Jian Yang; Nabila Bouatia-Naji; Tõnu Esko; Mary F Feitosa; Zoltán Kutalik; Massimo Mangino; Soumya Raychaudhuri; Andre Scherag; Albert Vernon Smith; Ryan Welch; Jing Hua Zhao; Katja K Aben; Devin M Absher; Najaf Amin; Anna L Dixon; Eva Fisher; Nicole L Glazer; Michael E Goddard; Nancy L Heard-Costa; Volker Hoesel; Jouke-Jan Hottenga; Asa Johansson; Toby Johnson; Shamika Ketkar; Claudia Lamina; Shengxu Li; Miriam F Moffatt; Richard H Myers; Narisu Narisu; John R B Perry; Marjolein J Peters; Michael Preuss; Samuli Ripatti; Fernando Rivadeneira; Camilla Sandholt; Laura J Scott; Nicholas J Timpson; Jonathan P Tyrer; Sophie van Wingerden; Richard M Watanabe; Charles C White; Fredrik Wiklund; Christina Barlassina; Daniel I Chasman; Matthew N Cooper; John-Olov Jansson; Robert W Lawrence; Niina Pellikka; Inga Prokopenko; Jianxin Shi; Elisabeth Thiering; Helene Alavere; Maria T S Alibrandi; Peter Almgren; Alice M Arnold; Thor Aspelund; Larry D Atwood; Beverley Balkau; Anthony J Balmforth; Amanda J Bennett; Yoav Ben-Shlomo; Richard N Bergman; Sven Bergmann; Heike Biebermann; Alexandra I F Blakemore; Tanja Boes; Lori L Bonnycastle; Stefan R Bornstein; Morris J Brown; Thomas A Buchanan; Fabio Busonero; Harry Campbell; Francesco P Cappuccio; Christine Cavalcanti-Proença; Yii-Der Ida Chen; Chih-Mei Chen; Peter S Chines; Robert Clarke; Lachlan Coin; John Connell; Ian N M Day; Martin den Heijer; Jubao Duan; Shah Ebrahim; Paul Elliott; Roberto Elosua; Gudny Eiriksdottir; Michael R Erdos; Johan G Eriksson; Maurizio F Facheris; Stephan B Felix; Pamela Fischer-Posovszky; Aaron R Folsom; Nele Friedrich; Nelson B Freimer; Mao Fu; Stefan Gaget; Pablo V Gejman; Eco J C Geus; Christian Gieger; Anette P Gjesing; Anuj Goel; Philippe Goyette; Harald Grallert; Jürgen Grässler; Danielle M Greenawalt; Christopher J Groves; Vilmundur Gudnason; Candace Guiducci; Anna-Liisa Hartikainen; Neelam Hassanali; Alistair S Hall; Aki S Havulinna; Caroline Hayward; Andrew C Heath; Christian Hengstenberg; Andrew A Hicks; Anke Hinney; Albert Hofman; Georg Homuth; Jennie Hui; Wilmar Igl; Carlos Iribarren; Bo Isomaa; Kevin B Jacobs; Ivonne Jarick; Elizabeth Jewell; Ulrich John; Torben Jørgensen; Pekka Jousilahti; Antti Jula; Marika Kaakinen; Eero Kajantie; Lee M Kaplan; Sekar Kathiresan; Johannes Kettunen; Leena Kinnunen; Joshua W Knowles; Ivana Kolcic; Inke R König; Seppo Koskinen; Peter Kovacs; Johanna Kuusisto; Peter Kraft; Kirsti Kvaløy; Jaana Laitinen; Olivier Lantieri; Chiara Lanzani; Lenore J Launer; Cecile Lecoeur; Terho Lehtimäki; Guillaume Lettre; Jianjun Liu; Marja-Liisa Lokki; Mattias Lorentzon; Robert N Luben; Barbara Ludwig; Paolo Manunta; Diana Marek; Michel Marre; Nicholas G Martin; Wendy L McArdle; Anne McCarthy; Barbara McKnight; Thomas Meitinger; Olle Melander; David Meyre; Kristian Midthjell; Grant W Montgomery; Mario A Morken; Andrew P Morris; Rosanda Mulic; Julius S Ngwa; Mari Nelis; Matt J Neville; Dale R Nyholt; Christopher J O'Donnell; Stephen O'Rahilly; Ken K Ong; Ben Oostra; Guillaume Paré; Alex N Parker; Markus Perola; Irene Pichler; Kirsi H Pietiläinen; Carl G P Platou; Ozren Polasek; Anneli Pouta; Suzanne Rafelt; Olli Raitakari; Nigel W Rayner; Martin Ridderstråle; Winfried Rief; Aimo Ruokonen; Neil R Robertson; Peter Rzehak; Veikko Salomaa; Alan R Sanders; Manjinder S Sandhu; Serena Sanna; Jouko Saramies; Markku J Savolainen; Susann Scherag; Sabine Schipf; Stefan Schreiber; Heribert Schunkert; Kaisa Silander; Juha Sinisalo; David S Siscovick; Jan H Smit; Nicole Soranzo; Ulla Sovio; Jonathan Stephens; Ida Surakka; Amy J Swift; Mari-Liis Tammesoo; Jean-Claude Tardif; Maris Teder-Laving; Tanya M Teslovich; John R Thompson; Brian Thomson; Anke Tönjes; Tiinamaija Tuomi; Joyce B J van Meurs; Gert-Jan van Ommen; Vincent Vatin; Jorma Viikari; Sophie Visvikis-Siest; Veronique Vitart; Carla I G Vogel; Benjamin F Voight; Lindsay L Waite; Henri Wallaschofski; G Bragi Walters; Elisabeth Widen; Susanna Wiegand; Sarah H Wild; Gonneke Willemsen; Daniel R Witte; Jacqueline C Witteman; Jianfeng Xu; Qunyuan Zhang; Lina Zgaga; Andreas Ziegler; Paavo Zitting; John P Beilby; I Sadaf Farooqi; Johannes Hebebrand; Heikki V Huikuri; Alan L James; Mika Kähönen; Douglas F Levinson; Fabio Macciardi; Markku S Nieminen; Claes Ohlsson; Lyle J Palmer; Paul M Ridker; Michael Stumvoll; Jacques S Beckmann; Heiner Boeing; Eric Boerwinkle; Dorret I Boomsma; Mark J Caulfield; Stephen J Chanock; Francis S Collins; L Adrienne Cupples; George Davey Smith; Jeanette Erdmann; Philippe Froguel; Henrik Grönberg; Ulf Gyllensten; Per Hall; Torben Hansen; Tamara B Harris; Andrew T Hattersley; Richard B Hayes; Joachim Heinrich; Frank B Hu; Kristian Hveem; Thomas Illig; Marjo-Riitta Jarvelin; Jaakko Kaprio; Fredrik Karpe; Kay-Tee Khaw; Lambertus A Kiemeney; Heiko Krude; Markku Laakso; Debbie A Lawlor; Andres Metspalu; Patricia B Munroe; Willem H Ouwehand; Oluf Pedersen; Brenda W Penninx; Annette Peters; Peter P Pramstaller; Thomas Quertermous; Thomas Reinehr; Aila Rissanen; Igor Rudan; Nilesh J Samani; Peter E H Schwarz; Alan R Shuldiner; Timothy D Spector; Jaakko Tuomilehto; Manuela Uda; André Uitterlinden; Timo T Valle; Martin Wabitsch; Gérard Waeber; Nicholas J Wareham; Hugh Watkins; James F Wilson; Alan F Wright; M Carola Zillikens; Nilanjan Chatterjee; Steven A McCarroll; Shaun Purcell; Eric E Schadt; Peter M Visscher; Themistocles L Assimes; Ingrid B Borecki; Panos Deloukas; Caroline S Fox; Leif C Groop; Talin Haritunians; David J Hunter; Robert C Kaplan; Karen L Mohlke; Jeffrey R O'Connell; Leena Peltonen; David Schlessinger; David P Strachan; Cornelia M van Duijn; H-Erich Wichmann; Timothy M Frayling; Unnur Thorsteinsdottir; Gonçalo R Abecasis; Inês Barroso; Michael Boehnke; Kari Stefansson; Kari E North; Mark I McCarthy; Joel N Hirschhorn; Erik Ingelsson; Ruth J F Loos Journal: Nat Genet Date: 2010-10-10 Impact factor: 38.330
Authors: Shane McCarthy; Sayantan Das; Warren Kretzschmar; Olivier Delaneau; Andrew R Wood; Alexander Teumer; Hyun Min Kang; Christian Fuchsberger; Petr Danecek; Kevin Sharp; Yang Luo; Carlo Sidore; Alan Kwong; Nicholas Timpson; Seppo Koskinen; Scott Vrieze; Laura J Scott; He Zhang; Anubha Mahajan; Jan Veldink; Ulrike Peters; Carlos Pato; Cornelia M van Duijn; Christopher E Gillies; Ilaria Gandin; Massimo Mezzavilla; Arthur Gilly; Massimiliano Cocca; Michela Traglia; Andrea Angius; Jeffrey C Barrett; Dorrett Boomsma; Kari Branham; Gerome Breen; Chad M Brummett; Fabio Busonero; Harry Campbell; Andrew Chan; Sai Chen; Emily Chew; Francis S Collins; Laura J Corbin; George Davey Smith; George Dedoussis; Marcus Dorr; Aliki-Eleni Farmaki; Luigi Ferrucci; Lukas Forer; Ross M Fraser; Stacey Gabriel; Shawn Levy; Leif Groop; Tabitha Harrison; Andrew Hattersley; Oddgeir L Holmen; Kristian Hveem; Matthias Kretzler; James C Lee; Matt McGue; Thomas Meitinger; David Melzer; Josine L Min; Karen L Mohlke; John B Vincent; Matthias Nauck; Deborah Nickerson; Aarno Palotie; Michele Pato; Nicola Pirastu; Melvin McInnis; J Brent Richards; Cinzia Sala; Veikko Salomaa; David Schlessinger; Sebastian Schoenherr; P Eline Slagboom; Kerrin Small; Timothy Spector; Dwight Stambolian; Marcus Tuke; Jaakko Tuomilehto; Leonard H Van den Berg; Wouter Van Rheenen; Uwe Volker; Cisca Wijmenga; Daniela Toniolo; Eleftheria Zeggini; Paolo Gasparini; Matthew G Sampson; James F Wilson; Timothy Frayling; Paul I W de Bakker; Morris A Swertz; Steven McCarroll; Charles Kooperberg; Annelot Dekker; David Altshuler; Cristen Willer; William Iacono; Samuli Ripatti; Nicole Soranzo; Klaudia Walter; Anand Swaroop; Francesco Cucca; Carl A Anderson; Richard M Myers; Michael Boehnke; Mark I McCarthy; Richard Durbin Journal: Nat Genet Date: 2016-08-22 Impact factor: 38.330