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Pathogenesis

Glycocorticoids May Inhibit T-Cell Apoptosis in HIV+

Published in AIDS Weekly, March 6th, 1995

Glycocorticoids appear to exert a receptor-mediated anti-apoptotic activity in mature T cells through both activation-induced and HIV-1-triggered pathways, and could be potent inhibitors of T-cell apoptosis in HIV-1 infected patients, according to a report from France.

During HIV-1 infection, CD4 T lymphocytes migrate to immune-reactive lymphoid organs where they are infected by the virus and/or killed by apoptosis or immunoregulatory stimuli - a potential mechanism underlying fatal CD4+ T-cell depletion observed in AIDS.

In vitro studies have shown that Cyclosporin A (CSA), a potent immunosuppressive drug with anti-apoptotic activity, is...

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