DISCORDANT RESPONSE OF CD4+ T LYMPHOCYTES TO ANTIRETROVIRAL THERAPY

Author:

Shmagel K. V.1

Affiliation:

1. Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences, Perm; Perm State National Research University, Perm

Abstract

Antiretroviral therapy (ART) in HIV infected patients generally results in the suppression of viral replication and reconstitution of CD4+ T lymphocytes cell counts. In some patients (about 20%), however, a disturbance in regeneration of immune competent cells with a background of low viral load occurs. The term «immunological nonresponders» has been used to describe this phenomenon. Discordant immune response to antiviral therapy may be caused by increasing of depletion and reducing of production of CD4+ T cells. However, mechanisms for low immune reconstitution are not currently well understood. «Immunological nonresponders» exhibit booster lymphocyte proliferation, increased immune activation and reducing of CD4+ T lymphocytes survival time in comparison with patients with concordant response to the therapy. Their immune system is characterized by more pronounced aging and exhaustion. This leads to early and frequent manifestation of AIDSrelated diseases. Besides, immunological nonresponders have an increased risk of non-AIDS-related diseases due to pronounced systemic inflammation. The objective of the present review was to highlight the important problem that is rather common on аntiretroviral therapy and to enlist the specialists to the solving of this issue.

Publisher

Baltic Medical Education Center

Subject

Infectious Diseases,Public Health, Environmental and Occupational Health,Immunology

Reference136 articles.

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