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Associations Between Genital Tract Infections, Genital Tract Inflammation, and Cervical Cytobrush HIV-1 DNA in US Versus Kenyan Women

Abstract

Cervical shedding of HIV-1 DNA may influence HIV-1 sexual transmission. HIV-1 DNA was detected in 250 (80%) of 316 and 207 (79%) of 259 cervical cytobrush specimens from 56 US and 80 Kenyan women, respectively. Plasma HIV-1 RNA concentration was associated with increased HIV-1 DNA shedding among US and Kenyan women. Kenyan women had higher cervicovaginal concentrations of proinflammatory interleukins (IL)-1β, IL-6, IL-8, and anti-inflammatory secretory leukocyte protease inhibitor compared with US women (all P < 0.01). HIV-1 DNA shedding was associated with increased concentrations of IL-1β and IL-6 and lower secretory leukocyte protease inhibitor among US women but not Kenyan women.

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