CHCHD2 and neurodegenerative disease: Although multiple studies suggest an association between CHCHD2 and neurodegenerative diseases in the Chinese population, some research indicates that CHCHD2 may not play a key role in the pathogenesis of neurodegenerative diseases (Yang et al., 2016; Fan et al., 2016; Wu et al., 2016b; Lu et al., 2016).