ABCG1 and obesity due to melanocortin 4 receptor deficiency: The ABCG1 protein seems to have an essential function in adipose tissue,participating in adipocytes lipid storage, mainly in triglycerides storage process(Frisdal et al., 2015).Frisdal et al. (2015) found that ABCG1 geneabsence protects mice against diet-induced obesity.