Mitochondrial complex V expression and activity in cystinotic fibroblasts.
until further notice
SourcePediatric Research, 64, 5, (2008), pp. 495-497
Article / Letter to editor
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SubjectIGMD 3: Genomic disorders and inherited multi-system disorders; IGMD 8: Mitochondrial medicine; IGMD 9: Renal disorder; NCMLS 4: Energy and redox metabolism; ONCOL 3: Translational research; UMCN 5.4: Renal disorders
Alterations in ATP metabolism have been proposed to be involved in the pathogenesis of cystinosis, the most common form of inherited Fanconi syndrome. A recent study showed normal activity of respiratory chain complexes I-IV with decreased ATP levels in cystinotic fibroblasts. Here, we show normal complex V expression and activity in mitochondria of cystinotic fibroblasts. This indicates that alterations in mitochondrial oxidative phosphorylation enzymes are not responsible for ATP decrease in cystinotic fibroblasts.
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