Suppression of pre adipocyte differentiation and promotion of adipocyte death by anti-HIV drugs |
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Authors: | Manente Lucrezia Lucariello Angela Costanzo Carmelina Viglietti Rosaria Parrella Giovanni Parrella Roberto Gargiulo Miriam De Luca Antonio Chirianni Antonio Esposito Vincenzo |
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Affiliation: | Department of Medicine and Public Health, Section of Human Anatomy, Second University of Naples, Naples, Italy. |
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Abstract: | In the present study, we investigated the ability of anti-HIV drugs to interfere with normal cell cycle progression and to induce oxidative stress by perturbing the redox environment. Our results provide evidence that anti-HIV drugs have a differential effect on adipocyte cell cycle and differentiation, being able to modify the response to oxidative stress through an increase of reactive oxygen species (ROS) that compromises the induction of phase-2 and antioxidant enzymes. In detail, saquinavir, efavirenz, and stavudine exert antiadipogenic influences on the model 3T3-L1 cell line, perturbing the oxidative response and inducing of apoptosis. When considered together, the effects of anti-HIV drugs on 3T3-L1 pre adipocytes are distinct but commonly antiadipogenic, thus suggesting another additional possible mechanism by which antiretroviral therapies could contribute to lipoatrophy. |
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