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Review
. 1993 Mar;14(3):107-11.
doi: 10.1016/0167-5699(93)90208-3.

A TH1-->TH2 switch is a critical step in the etiology of HIV infection

M Clerici  1 , G M Shearer
Affiliations
Review

A TH1-->TH2 switch is a critical step in the etiology of HIV infection

M Clerici et al. Immunol Today. 1993 Mar.

Abstract

This viewpoint proposes that an imbalance in the TH1-type and TH2-type responses contributes to the immune dysregulation associated with HIV infection, and that resistance to HIV infection and/or progression to AIDS is dependent on a TH1-->TH2 dominance. This hypothesis is based on the authors' findings that: (1) progression to AIDS is characterized by loss of IL-2- and IFN-gamma production concomitant with increases in IL-4 and IL-10; and (2) many seronegative, HIV-exposed individuals generate strong TH1-type responses to HIV antigens.

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