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Obesity (Silver Spring). 2012 Aug;20(8):1675-82. doi: 10.1038/oby.2012.11. Epub 2012 Feb 6.

Association of type 2 diabetes susceptibility loci with one-year weight loss in the look AHEAD clinical trial.

Collaborators (298)

Brancati FL, Honas J, Cheskin L, Clark JM, Stewart K, Rubin R, Charleston J, Horak K, Bray GA, Rau K, Strate A, Armand B, Greenway FL, Ryan DH, Williamson D, Bachand A, Begnaud M, Berhard B, Caderette E, Cerniauskas B, Creel D, Crow D, Guay H, Kora N, LaFleur K, Landry K, Lingle M, Perault J, Shipp M, Smith M, Tucker E, Lewis CE, Thomas S, Safford M, DiLillo V, Bragg C, Dobelstein A, Gilbert S, Glasser S, Hannum S, Hubbell A, Jones J, Lee D, Luketic R, Marshall K, Oden L, Raines J, Roche C, Truman J, Webb N, Wrenn A, Nathan DM, Turgeon H, Schumann K, Cagliero E, Delahanty L, Hayward K, Anderson E, Bissett L, Ginsburg R, Goldman V, Harlan V, McKitrick C, McNamara A, Michel T, Poulos A, Steiner B, Tosch J, Horton ES, Jackson SD, Hamdy O, Caballero A, Bain S, Bovaird E, Goebel-Fabbri A, Lambert L, Ledbury S, Malloy M, Ovalle K, Blackburn G, Mantzoros C, Day K, McNamara A, Hill JO, Miller M, Phillipp J, Schwartz R, Dorsten BV, Regensteiner J, Benchekroun S, Coelho L, Cohrs P, Daeninck E, Fields A, Green S, Hamilton A, Hamilton J, Leshchinskiy E, McDermott M, Munkwitz L, Rome L, Wallace K, Worley T, Foreyt JP, Reeves RS, Pownall H, Balasubramanyam A, Jones P, Burrington M, Chen CH, Clark A, Gee M, Griggs S, Hamilton M, Holley V, Joseph J, Pace P, Palencia J, Satterwhite O, Schmidt J, Volding D, White C, Johnson KC, Gresham C, Connelly S, Brewer A, Coday M, Jones L, Lichtermann L, Vosburg S, Taylor J, Kitabchi AE, Lambeth H, Clark D, Crisler A, Cunningham G, Green D, Force D, Kores R, Rosenthal R, Smith E, Sun M, Soberman J, Jeffery RW, Thorson C, Bantle JP, Redmon J, Crow RS, Crow S, Raatz SK, Brelje K, Campbell C, Carls J, Carmean-Mihm T, Finch E, Fox A, Hoelscher E, James LD, Maddy VA, Ockenden T, Rice BI, Skarphol T, Tucker AD, Voeller MS, Walcheck C, Pi-Sunyer X, Patricio J, Heshka S, Pal C, Allen L, Hirsch D, Holowaty MA, Wadden TA, Maschak- Carey BJ, Schwartz S, Foster GD, Berkowitz RI, Glick H, Kumanyika SK, Brock J, Chomentowski H, Clark V, Crerand C, Davenport R, Diamond A, Fabricatore A, Hesson L, Krauthamer-Ewing S, Kuehnel R, Lipschutz P, Mullen M, Womble L, Iqbal N, Kelley DE, Wesche-Thobaben J, Kuller L, Kriska A, Bonk J, Danchenko R, Edmundowicz D, Klem ML, Yamamoto ME, Elnyczky B, Grove GA, Harper P, Krulia J, Mancino J, Mathews A, Murray TY, Ritchea JR, Rush J, Vujevich K, Wolf D, Wing RR, Bright R, Pera V, Jakicic J, Tate D, Gorin A, Gallagher K, Bach A, Bancroft B, Bertorelli A, Carey R, Charron T, Chenot H, Chula-Maguire K, Coward P, Cronkite L, Currin J, Daly M, Egan C, Ferguson E, Foss L, Gauvin J, Kieffer D, Lessard L, Maier D, Massaro JP, Monk T, Nicholson R, Patterson E, Phelan S, Raynor H, Raynor D, Robinson N, Robles D, Tavares J, Haffner SM, Montez MG, Lorenzo C, Kahn S, Montgomery B, Knopp R, Lipkin E, Maciejewski ML, Trence D, Barrett T, Bartell J, Greenberg D, Murillo A, Richmond BA, Thomas A, Espeland MA, Bahnson JL, Wagenknecht L, Reboussin D, Rejeski W, Bertoni A, Lang W, Miller G, Lefkowitz D, Reynolds PS, Ribisl P, Vitolins M, Booth M, Dotson KM, Hodges A, Williams CC, Barnes JM, Feeney PA, Griffin J, Harvin L, Herman W, Hogan P, Jaramillo S, King M, Lane K, Neiberg R, Ruggiero A, Speas C, Walkup MP, Wall K, Ward M, West DS, Windham T, Marcovina SM, Strylewicz G.

Abstract

The importance of lifestyle intervention for the prevention and treatment of type 2 diabetes (T2D) has been underscored by the limited benefit of pharmacologic therapies. We sought to determine whether genetic variants that contribute to T2D risk modify the response of weight and waist circumference to an intensive lifestyle intervention (ILI) in patients with obesity and T2D. Look AHEAD (Action for Health in Diabetes) is a randomized clinical trial comparing an ILI with a control condition on the risk of cardiovascular disease in overweight adults with T2D. We analyzed 28 single-nucleotide polymorphisms (SNPs) at/near 17 T2D-susceptibility genes in 3,903 consented participants. We genetically characterized the cohort by assessing whether T2D-susceptibility loci were overrepresented compared with a nondiabetic community-based cohort (N = 1,016). We evaluated the association of individual variants and a composite genetic risk score (GRS) with anthropometric traits at baseline and after 1-year of intervention. Look AHEAD subjects carried more T2D-susceptibility alleles than the control population. At baseline, TCF7L2 risk alleles and the highest GRS were associated with lower BMI and waist circumference. Nominally significant genotype-by-intervention interactions were detected for 1-year change in waist circumference with JAZF1, MTNR1B, and IRS1, and BMI with JAZF1. Highest GRS was associated with a greater reduction in waist circumference at year 1, although the variance in change attributable to the GRS was small. This study shows that the genetic burden associated with T2D risk does not undermine the effect of lifestyle intervention and suggests the existence of additional genomic regions, distinct from the T2D-susceptibility loci, which may enhance or mitigate weight loss.

PMID:
22307069
[PubMed - indexed for MEDLINE]
PMCID:
PMC3406235
Free PMC Article

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