rs4771122 predicts multiple measures of long-term weight loss after bariatric surgery

LJ Rasmussen-Torvik, AS Baldridge, JA Pacheco… - Obesity surgery, 2015 - Springer
LJ Rasmussen-Torvik, AS Baldridge, JA Pacheco, SA Aufox, KYA Kim, JC Silverstein
Obesity surgery, 2015Springer
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 …
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.
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