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J Infect Dis. 2009 Aug 1;200(3):448-52. doi: 10.1086/600072.

Interleukin-10 promoter polymorphisms influence HIV-1 susceptibility and primary HIV-1 pathogenesis.

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  • 1Hasso Plattner Research Laboratory, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.


Interleukin (IL)-10 directly inhibits human immunodeficiency virus type 1 (HIV-1) replication, but it may also promote viral persistence by inactivation of effector immune mechanisms. Here, we show in an African cohort that individuals with genotypes associated with high IL-10 production at 2 promoter single-nucleotide polymorphisms (-1082 and -592) were less likely to become HIV-1 infected but had significantly higher median plasma viral loads during the acute phase (<or=3 months after infection). However, as the infection progressed, the association between genotype and median viral load was reversed. Thus, IL-10 may influence HIV-1 susceptibility and pathogenesis, but effects on the latter may differ according to the infection phase.

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