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. 2013 Apr 9:4:86.
doi: 10.3389/fimmu.2013.00086. eCollection 2013.

Cell-Mediated Immunity in Elite Controllers Naturally Controlling HIV Viral Load

Luca Genovese  1 , Manuela Nebuloni, Massimo Alfano
Affiliations

Cell-Mediated Immunity in Elite Controllers Naturally Controlling HIV Viral Load

Luca Genovese et al. Front Immunol. .

Abstract

The natural course of human immunodeficiency virus (HIV) infection is characterized by high viral load, depletion of immune cells, and immunodeficiency, ultimately leading to acquired immunodeficiency syndrome phase and the occurrence of opportunistic infections and diseases. Since the discovery of HIV in the early 1980s a naturally selected population of infected individuals has been emerged in the last years, characterized by being infected for many years, with viremia constantly below detectable level and poor depletion of immune cells. These individuals are classified as "elite controllers (EC) or suppressors" and do not develop disease in the absence of anti-retroviral therapy. Unveiling host factors and immune responses responsible for the elite status will likely provide clues for the design of therapeutic vaccines and functional cures. Scope of this review was to examine and discuss differences of the cell-mediated immune responses between HIV+ individuals with disease progression and EC.

Keywords: AIDS; HIV; cytokines/chemokines; elite controllers; innate immunity; long-term non progressors.

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