期刊
TRENDS IN MICROBIOLOGY
卷 20, 期 3, 页码 124-130出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.tim.2012.01.004
关键词
GBV-C; HIV; T cell; activation; IL-2.
资金
- Department of Veterans Affairs
- National Institutes of Health [R01 AI058740]
GB virus C (GBV-C) is a lymphotropic human virus discovered in 1995 that is related to hepatitis C virus (HCV). GBV-C infection has not been convincingly associated with any disease; however, several studies found an association between persistent GBV-C infection and improved survival in HIV-positive individuals. GBV-C infection modestly alters T cell homeostasis in vivo through various mechanisms, including modulation of chemokine and cytokine release and receptor expression, and by diminution of T cell activation, proliferation and apoptosis, all of which may contribute to improved HIV clinical outcomes. In vitro studies confirm these clinical observations and demonstrate an anti-HIV replication effect of GBV-C. This review summarizes existing data on potential mechanisms by which GBV-C interferes with HIV, and the research needed to capitalize on this epidemiological observation.
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