KCTD15 and obesity due to melanocortin 4 receptor deficiency: (2010), who failed to find a significant effect of a KCTD15 polymorphism previously associated with obesity in AN patients; as well as with several GWAS, which have not identified any KCTD15 SNP related to AN risk (Boraska et al., 2014; Hinney et al., 2017; Wang et al., 2011).