SLC25A24 and obesity due to melanocortin 4 receptor deficiency: Slc25a24 knockout mice are resistant to high-fat diet-induced obesity, as indicated by reduced liver weight and triglyceride deposition in the liver, and a prospective observational study of the population revealed that SLC25A24 is also a new candidate gene for susceptibility to obesity in humans (Urano et al., 2015).