DNM1L and obesity due to melanocortin 4 receptor deficiency: role of DNM1L seen in abnormal mitochondrial dynamics, mitochondrial fragmentation, autophagy/mitophagy, and neuronal damage in alzheimer’s disease and other neurological diseases, including Parkinson's, Huntington's, ALS, multiple sclerosis, diabetes, and obesity (Oliver and Reddy, 2019, Vantaggiato et al., 2019).