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. 1991 Sep;85(3):481–484. doi: 10.1111/j.1365-2249.1991.tb05753.x

Dichotomy of two CD8+ lymphocyte subsets in HIV infection. Depletion of CD8+ CD3- and expansion of CD8+ CD3+ subsets: consequence on the CD4/CD8 ratio.

I Mansour 1, C Doinel 1, P Rouger 1
PMCID: PMC1535594  PMID: 1832598

Abstract

In order to highlight the underlying mechanism(s) of the CD8 lymphocyte expansion in the HIV infection, two distinct CD8 subsets were analysed: T CD8bright+ CD3+ with MHC-restricted activity, and non-T CD8dim+ CD3-, which performs natural killer (NK) activity. It consists of a cross-sectional study including 168 HIV-infected patients (74 CDC stage II, 48 CDC stage III and 46 CDC stage IV) compared among them and to 60 healthy individuals. We observed an expansion of CD8+ CD3+ cells which masks a depletion of CD8+ CD3-. The comparative study showed that the expansion of the CD8+ CD3+ is relatively higher than that of total CD8+ lymphocytes and that the depletion of the CD8+ CD3- subset is severe, begins early and remains constant through the HIV progression. The comparison of CD4/CD8 and CD4/CD8+ CD3+ ratios showed that the latter could possibly be a better indicator in the HIV infection. The mechanism of inverted CD4/CD8 ratio in healthy individuals was also clarified. The CD8+ CD3+, CD8+ CD3- and CD4/CD8+ CD3+ parameters would be more specific markers than total CD8 and CD4/CD8 ratio especially in therapy trials.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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