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Updated: May 14, 2026
05:53
Measuring Frailty in HIV-infected Individuals. Identification of Frail Patients is the First Step to Amelioration and Reversal of Frailty
Published on: July 24, 2013
Premature and accelerated aging: HIV or HAART?
Reuben L Smith1, Richard de Boer, Stanley Brul
1Swammerdam Institute for Life Sciences, University of Amsterdam Amsterdam, Netherlands.
Frontiers in Genetics
|February 2, 2013
Summary
Antiretroviral drugs, particularly nucleoside reverse transcriptase inhibitors, may accelerate aging in HIV patients by damaging mitochondria. This mitochondrial dysfunction contributes to reduced lifespan despite effective viral suppression.
Area of Science:
- Mitochondrial Biology
- Virology
- Gerontology
Background:
- Highly active antiretroviral therapy (HAART) has improved HIV-positive lifespan but not normalized it.
- Immunosenescence due to viral stimulus is a known factor, but other causes are explored.
Purpose of the Study:
- To investigate the role of antiretroviral drugs, specifically their mitochondrial toxicity, in the accelerated aging of HIV patients.
- To propose alternative explanations for reduced lifespan in HIV-positive individuals on HAART.
Main Methods:
- Review of existing literature on antiretroviral drug mechanisms and mitochondrial function.
- Discussion of potential adverse effects of drug classes like nucleoside reverse transcriptase inhibitors (NRTIs) and protease inhibitors.
Main Results:
- NRTIs can deplete mitochondrial DNA by inhibiting DNA polymerase-γ.
- Protease inhibitors can induce mitochondrial damage through oxidative stress and impaired function.
Conclusions:
- Adverse mitochondrial effects of antiretroviral drugs may contribute significantly to premature aging in HIV patients.
- Caenorhabditis elegans is proposed as a valuable model for studying these drug-induced aging effects.
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