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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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HAART drugs induce mitochondrial damage and intercellular gaps and gp120 causes apoptosis.

HIV-1 infection is associated with serious cardiovascular complications, but the roles of HIV-1, viral proteins, and highly active antiretroviral therapy (HAART) drugs are not understood. HAART decreases the overall risk of heart disease but leads to metabolic disturbances and possibly coronary artery disease. We investigated toxicities of HIV-1, HIV-1 glycoprotein 120 (gp120), and HAART drugs for human coronary artery endothelial cells (CAECs), brain microvascular endothelial cells, and neonatal rat ventricular myocytes (NRVMs). HIV-1 and gp120, but not azidothymidine (AZT), induced apoptosis of NRVMs and CAECs. Ethylisothiourea, an inhibitor of nitric oxide synthase, inhibited apoptosis induction by gp120. AZT, HIV-1, and gp120 all damaged mitochondria of cardiomyocytes. HAART drugs, AZT, and indinavir, but not HIV-1, produced intercellular gaps between confluent endothelial cells and decreased transendothelial electrical resistance. In conclusion, HIV-1 and gp120 induce toxicity through induction of cardiomyocyte and endothelial cell apoptosis. HAART drugs disrupt endothelial cell junctions and mitochondria and could cause vascular damage.[1]

References

  1. HAART drugs induce mitochondrial damage and intercellular gaps and gp120 causes apoptosis. Fiala, M., Murphy, T., MacDougall, J., Yang, W., Luque, A., Iruela-Arispe, L., Cashman, J., Buga, G., Byrns, R.E., Barbaro, G., Arthos, J. Cardiovasc. Toxicol. (2004) [Pubmed]
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