Supplementary Figure 3No change to HIF1α signaling in the small intestine following VSG. Relative expressions of Hif1α and its target gene Pgk1 in the duodenum and ileum of VSG-treated vs. sham-operated mice. Data are presented as means ± S.E.M. Student's t test was used for significance assessments. SHAM = sham surgery, VSG = vertical sleeve gastrectomy.