Association analysis indicates that a variant GATA-binding site in the PIK3CB promoter is a Cis-acting expression quantitative trait locus for this gene and attenuates insulin resistance in obese children. - Le Stunff C; Dechartres A; Mariot V; Lotton C; Trainor C; Miraglia Del Giudice E; Meyre D; Bieche I; Laurendeau I; Froguel P; Zelenika D; Fallin D; et al. (Diabetes, 2008)