Complex 4 mitochondrial respiratory chain deficiency: A very rare inherited metabolic disorder where the body doesn't have enough of an enzyme called enzyme cytochrome C oxidase (COX or Complex IV) which is needed in the process of energy production by body cells. There are two subtypes: the benign infantile type only affects muscles whereas the fatal infant type affects the hearty and kidneys as well as the muscles. More detailed information about the symptoms, causes, and treatments of Complex 4 mitochondrial respiratory chain deficiency is available below.
See full list of 6 symptoms of Complex 4 mitochondrial respiratory chain deficiency
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