Clinica chimica acta; international journal of clinical chemistry · 2013
Novel mutations in myopathic form of carnitine palmitoyltransferase II deficiency in a Chinese patient.
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Cho Sun Young, Siu Tak-Shing, Ma Oliver, Tam Sidney, Lam Ching-wan
Аннотация
BACKGROUND: Carnitine palmitoyltransferase II (CPT II) deficiency is one of the most common disorders of oxidative fatty acid metabolism. In this disorder, long-chain acylcarnitines cannot be converted to acyl CoA and there is impairment of β-oxidation of fatty acids.
RESULTS: In the 3 distinct clinical subtypes of CPT II deficiency, adult onset myopathic form shows mild clinical manifestations, characterized by recurrent rhabdomyolysis after intense physical stress. In this study, we report a case with adult myopathic form of CPT II deficiency presenting recurrent exercise-induced myoglobinuria.
CONCLUSION: The acylcarnitine profile showed characteristic CPTII deficiency profile and sequencing of the CPT2 gene showed 2 novel missense mutations p. H369Q and p G497S.
RESULTS: In the 3 distinct clinical subtypes of CPT II deficiency, adult onset myopathic form shows mild clinical manifestations, characterized by recurrent rhabdomyolysis after intense physical stress. In this study, we report a case with adult myopathic form of CPT II deficiency presenting recurrent exercise-induced myoglobinuria.
CONCLUSION: The acylcarnitine profile showed characteristic CPTII deficiency profile and sequencing of the CPT2 gene showed 2 novel missense mutations p. H369Q and p G497S.