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Antimicrobial peptides induced by herpesvirus enhance HIV-1 infection

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The risk of being infected with human immunodeficiency virus type 1 (HIV-1) is substantially enhanced in individuals with other sexually transmitted diseases. For example, infection with herpes simplex virus type 2 (HSV-2) increases the risk ratio of acquiring HIV from 2 to 4. Explanations for this increased risk include direct inoculation of HIV-1 into the blood through genital ulcers, and the induction of inflammatory cells by HSV-2 which act as sites of replication for HIV-1. The results of infections carried out in cell culture suggest a biological mechanism for the enhancement of HIV-1 infection by HSV-2.
 
 

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