Fuel utilization in patients with very long-chain acyl-coa dehydrogenase deficiency.
SourceAnnals of Neurology, 56, 2, (2004), pp. 279-83
Article / Letter to editor
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Annals of Neurology
SubjectUMCN 3.1: Neuromuscular development and genetic disorders
Fuel utilization in two adult patients with the myopathic form of very long-chain acyl-CoA dehydrogenase (VLCAD) deficiency and five healthy subjects was investigated with stable isotopes during exercise at 50% of VO2max. The findings indicate that residual VLCAD activity in the patients is sufficient to maintain normal oxidation of fat at rest, but that fat oxidation rate cannot increase above basal levels during exercise. This can cause an energy deficit and intramuscular accumulation of fat intermediates that may induce the exercise-induced symptoms.
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