Natural Immunity to HIV: A Delicate Balance between Strength and Control

Author:

Poudrier Johanne1,Thibodeau Valérie1,Roger Michel1

Affiliation:

1. Laboratoire d’Immunogénétique, Centre de Recherche, Centre Hospitalier de l’Université de Montréal (CRCHUM) et Département de Microbiologie et Immunologie, Université de Montréal, Montreal, QC, Canada H2L 4M1

Abstract

Understanding how the mucosal immune system in the human female reproductive tract might prevent or facilitate HIV infection has important implications for the design of effective interventions. We and others have established cohorts of highly-exposed, HIV-seronegative individuals, such as HIV-uninfected commercial sex workers, who have remained HIV-negative after more than 5 years of active prostitution. Observations obtained in studies of such individuals, who represent a model of natural immunity to HIV, indicate that HIV resistance may be associated with the host’s capacity to preserve systemic integrity by constraining immune activity and controlling inflammatory conditions at the mucosal point of entry. This likely necessitates the orchestration of balanced, first-line and adaptive immune responses.

Publisher

Hindawi Limited

Subject

General Medicine,Immunology,Immunology and Allergy

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