OXTR and obesity due to melanocortin 4 receptor deficiency: Related to obesity, a study found that the two OXTR gene variants were associated with eating disorders – the rs53576 A allele negatively correlated to binging/purging behaviours, GG genotype was at increased risk of engaging in binging/purging, while rs2254298 A allele carriers were at increased odds of restrictive eating/purging [46].