MYO6 and inborn mitochondrial metabolism disorder: Interestingly, some phenotypes of the MYO6 KO mouse, such as hypertrophic cardiomyopathy and gliosis in the brain (Mohiddin et al., 2004, Osterweil et al., 2005), are reminiscent of mitochondrial diseases (Chinnery, 2015) and neurodegenerative disorders, respectively.