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. 2015 Nov;25(11):2225-9.
doi: 10.1007/s11695-015-1872-7.

rs4771122 Predicts Multiple Measures of Long-Term Weight Loss After Bariatric Surgery

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rs4771122 Predicts Multiple Measures of Long-Term Weight Loss After Bariatric Surgery

Laura J Rasmussen-Torvik et al. Obes Surg. 2015 Nov.

Abstract

We examined the association of 34 single nucleotide polymorphisms with weight loss up to 9.5 years after Roux-en-Y surgery. Participants were enrollees in the NUgene biobank with stored DNA and linked electronic health records. Ninety-five self-identified white participants underwent surgery and had follow-up weights obtained between 1 and 9.5 years after surgery. SNP rs4771122 was the variant most significantly associated with long-term weight loss after surgery in a repeated linear mixed model (p = .004) of long-term weight loss. In this model, each additional copy of the minor allele was associated with nearly 5 % greater percentage weight loss. This same SNP was also nominally significantly (p < .05) associated with weight loss trajectories, weight loss nadir, and weight loss 2 years after surgery.

Keywords: Bariatric surgery; Long-term weight loss; Obesity GWAS; Predictors; Repeated measures; Roux-en-Y gastric bypass; SNP.

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Conflict of interest statement

CONFLICT OF INTEREST

Laura Rasmussen-Torvik, no conflict of interest

Abigail S. Baldridge, no conflict of interest

Jennifer A. Pacheco, no conflict of interest

Sharon A Aufox, no conflict of interest

Kwang-Youn A. Kim, no conflict of interest

Jonathan C Silverstein, no conflict of interest

Erwin W Denham, no conflict of interest

Eric Hungness, no conflict of interest

Maureen E Smith, no conflict of interest

Philip Greenland, no conflict of interest

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