Relative carnitine deficiency is important in the pathophysiology of several disorders, including Reye’s syndrome and organic acidemias. In acute clinical crises, carnitine serves as a “buffer,” trapping toxic acyl compounds. Mitochondrial failure develops in carnitine deficiency when there is insufficient tissue carnitine available to buffer toxic acyl-CoA metabolites. Toxic levels of acyl-Co A impair the citrate cycle, gluconeogenesis, the urea cycle, and fatty-acid oxidation. Carnitine replacement therapy is safe and induces excretion of toxic acyl groups in the urine. © 1985 American Academy of Neurology.
Carnitine deficiency, organic acidemias, and reye’s syndrome
Angelini C.
1985
Abstract
Relative carnitine deficiency is important in the pathophysiology of several disorders, including Reye’s syndrome and organic acidemias. In acute clinical crises, carnitine serves as a “buffer,” trapping toxic acyl compounds. Mitochondrial failure develops in carnitine deficiency when there is insufficient tissue carnitine available to buffer toxic acyl-CoA metabolites. Toxic levels of acyl-Co A impair the citrate cycle, gluconeogenesis, the urea cycle, and fatty-acid oxidation. Carnitine replacement therapy is safe and induces excretion of toxic acyl groups in the urine. © 1985 American Academy of Neurology.File in questo prodotto:
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