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Effects of alpha interferon treatment on intrinsic anti-HIV-1 immunity in vivo


Abdel-Mohsen, Mohamed; Deng, Xutao; Liegler, Teri; Guatelli, John C; Salama, Mohamed S; Ghanem, Hussam El-Din A; Rauch, Andri; Ledergerber, Bruno; Deeks, Steven G; Günthard, Huldrych F; Wong, Joseph K; Pillai, Satish K (2014). Effects of alpha interferon treatment on intrinsic anti-HIV-1 immunity in vivo. Journal of Virology, 88(1):763-767.

Abstract

Alpha interferon (IFN-α) suppresses human immunodeficiency virus type 1 (HIV-1) replication in vitro by inducing cell-intrinsic retroviral restriction mechanisms. We investigated the effects of IFN-α/ribavirin (IFN-α/riba) treatment on 34 anti-HIV-1 restriction factors in vivo. Expression of several anti-HIV-1 restriction factors was significantly induced by IFN-α/riba in HIV/hepatitis C virus (HCV)-coinfected individuals. Fold induction of cumulative restriction factor expression in CD4(+) T cells was significantly correlated with viral load reduction during IFN-α/riba treatment (r(2) = 0.649; P < 0.016). Exogenous IFN-α induces supraphysiologic restriction factor expression associated with a pronounced decrease in HIV-1 viremia.

Abstract

Alpha interferon (IFN-α) suppresses human immunodeficiency virus type 1 (HIV-1) replication in vitro by inducing cell-intrinsic retroviral restriction mechanisms. We investigated the effects of IFN-α/ribavirin (IFN-α/riba) treatment on 34 anti-HIV-1 restriction factors in vivo. Expression of several anti-HIV-1 restriction factors was significantly induced by IFN-α/riba in HIV/hepatitis C virus (HCV)-coinfected individuals. Fold induction of cumulative restriction factor expression in CD4(+) T cells was significantly correlated with viral load reduction during IFN-α/riba treatment (r(2) = 0.649; P < 0.016). Exogenous IFN-α induces supraphysiologic restriction factor expression associated with a pronounced decrease in HIV-1 viremia.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Infectious Diseases
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2014
Deposited On:14 Jan 2014 09:50
Last Modified:08 Dec 2017 01:43
Publisher:American Society for Microbiology
ISSN:0022-538X
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1128/JVI.02687-13
PubMed ID:24155399

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