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- W2044883079 abstract "Introduction: Mitochondrial dysfunction is a classic complication of HIV infection and its treatment and has also been reported in hepatitis C virus (HCV)–infected patients. Little is known about interactions between both viruses on mitochondrial metabolism. Methods: We performed a cross-sectional study of HCV-infected patients who underwent liver biopsy as part of their routine care. Mitochondrial function was assessed by (a) liver morphological (histology) and functional (spectro-photometry) studies, and (b) serum lactate kinetics, oxygen uptake, and anaerobic threshold measurement during standardized incremental exercise. Three predefined groups of patients were compared. Results: Thirty-eight HCV-infected patients were included: 13 not HIV infected (group 1), 7 with HIV co-infection and low nucleoside reverse transcriptase inhibitor (NRTI) exposure (none over the last 2 years; group 2), and 18 with HIV co-infection and high NRTI exposure (group 3). On liver biopsies, respiratory chain complex IV activity was impaired, at 5 (2–7) nmol/min/mg substrates in group 1, 5 (3–8) in group 2, and 8 (2–13) in group 3 (normal values, 20–56). Maximal power output was diminished and anaerobic threshold occurred earlier in HIV-infected patients, regardless of NRTI exposure. Conclusion: HCV has deleterious effects on liver mitochondrial metabolism, notably on respiratory chain complex IV. No significant interaction with HIV was observed." @default.
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- W2044883079 date "2011-02-01" @default.
- W2044883079 modified "2023-09-26" @default.
- W2044883079 title "Mitochondrial Abnormalities in Patients with HIV-HCV Co-infection as Compared to Patients with HCV Mono-infection" @default.
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- W2044883079 doi "https://doi.org/10.1310/hct1201-54" @default.
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