Cheng et al. identify a mitochondrial complex IV (CIV) deficiency in the brains of patients with sporadic amyotrophic lateral sclerosis (ALS). They demonstrate that defects in mitochondrial CIV ...
NAD deficiency perturbs embryonic development resulting in multiple congenital malformations, collectively termed Congenital NAD Deficiency Disorder (CNDD). The authors report fundamental findings ...