Universidad Peruana Cayetano Heredia

Normalization of FoxP3+ regulatory T cells in response to effective antiretroviral therapy

Normalization of FoxP3+ regulatory T cells in response to effective antiretroviral therapy

Montes Delgado, Martin; Sanchez, C.; Lewis, D.E.; Graviss, E.A.; Seas Ramos, Carlos Rafael; Gotuzzo Herencia, José Eduardo; White Jr., A.C.
URI: https://hdl.handle.net/20.500.12866/10949
Fecha: 2011

Resumen:

Regulatory T cells (Tregs) blunt uncontrolled immune responses. In advanced human immunodeficiency virus (HIV) infection, the total number of Tregs is decreased, but the proportion of T cells with a regulatory phenotype is highly variable. We studied CD4+CD25+FoxP3+ T cells from patients successfully treated with combination antiretroviral therapy (ART). The proportion of CD4+CD25+FoxP3+ cells transiently increased and then decreased from a median of 13% at baseline to 5.1% at 48 weeks, similar to values in normal subjects. These data suggest that with effective therapy, the regulatory cell numbers normalize, and that the inflammatory signals driving their production may also abate.

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