| A rare genetic renal tubular disease characterized by hypomagnesemia (due to renal magnesium wasting), hypokalemia and activation of renin production due to specific mitochondrial DNA mutations. Hypocalciuria, metabolic alkalosis, progressive chronic kidney disease as well as arterial hypertension and hypercholesterolemia have been reported. Tetany, tremor, paresthesia, muscle fatigue, chondrocalcinosis and cerebral seizures can be present. Extrarenal manifestations of mitochondrial dysfunction may not be evident in the patients. |