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Perturbation of mucosal-associated invariant T cells and iNKT cells in HIV infection

Perturbation of mucosal-associated invariant T cells and iNKT cells in HIV infection Purpose of review To analyze the possible role that the ‘unconventional’ T-cell populations mucosal-associated invariant T cell (MAIT) and iNKT cells play during HIV infection and following antiretroviral therapy (ART) treatment. Recent findings A substantial body of evidence now demonstrates that both MAIT and iNKT cells are depleted in blood during HIV infection. The depletion and dysfunction of MAIT and iNKT cells are only partially restored by suppressive ART, potentially contributing to HIV-related comorbidities. Summary The deficiency and dysfunction of MAIT and iNKT T-cell subsets likely impact on immunity to important coinfections including Mycobacterium tuberculosis. This underscores the importance of research on restoring these unconventional T cells during HIV infection. Future studies in this field should address the challenge of studying tissue-resident cells, particularly in the gut, and better defining the determinants of MAIT/iNKT cell dysfunction. Such studies could have a significant impact on improving the immune function of HIV-infected individuals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Current Opinion in HIV and AIDS Wolters Kluwer Health

Perturbation of mucosal-associated invariant T cells and iNKT cells in HIV infection

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References (101)

Publisher
Wolters Kluwer Health
ISSN
1746-630X
eISSN
1746-6318
DOI
10.1097/COH.0000000000000526
Publisher site
See Article on Publisher Site

Abstract

Purpose of review To analyze the possible role that the ‘unconventional’ T-cell populations mucosal-associated invariant T cell (MAIT) and iNKT cells play during HIV infection and following antiretroviral therapy (ART) treatment. Recent findings A substantial body of evidence now demonstrates that both MAIT and iNKT cells are depleted in blood during HIV infection. The depletion and dysfunction of MAIT and iNKT cells are only partially restored by suppressive ART, potentially contributing to HIV-related comorbidities. Summary The deficiency and dysfunction of MAIT and iNKT T-cell subsets likely impact on immunity to important coinfections including Mycobacterium tuberculosis. This underscores the importance of research on restoring these unconventional T cells during HIV infection. Future studies in this field should address the challenge of studying tissue-resident cells, particularly in the gut, and better defining the determinants of MAIT/iNKT cell dysfunction. Such studies could have a significant impact on improving the immune function of HIV-infected individuals.

Journal

Current Opinion in HIV and AIDSWolters Kluwer Health

Published: Mar 1, 2019

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