Abstract
IL-15 is a pleiotropic and multifunctional cytokine that has a diverse array of distinct biological effects in the body. It plays a crucial role in host defense from viral and non-viral intracellular pathogens. The cytokine is essential for the development and differentiation of NK cells and for homeostatic expansion of CD8+ memory T cells, NKT cells and certain subsets of intestinal intra-epithelial lymphocytes (iIEL). It acts as a survival factor and inhibits spontaneous apoptosis in T, B and NK cells by increasing expression of different anti-apoptotic proteins. Several studies have shown that IL-15 production is compromised in HIV-infected AIDS patients and exogenous IL-15 drastically enhances functions of immune cells from these patients. Considering these distinct immune enhancing effects, relative safety in animal models, and minimal effects on HIV replication, IL-15 may represent a better cytokine for immune reconstitution in these patients. Furthermore, IL-15 may also act as a better adjuvant in eliciting antiviral immunity in anti-HIV vaccine strategies.
Keywords: aids, anti-hiv vaccine, ctl, cytokines, hiv, il, nk cells
Current HIV Research
Title: IL-15 and HIV Infection: Lessons for Immunotherapy and Vaccination
Volume: 3 Issue: 3
Author(s): Ali Ahmad, Rasheed Ahmad, Alexandre Iannello, Emil Toma, Richard Morisset and Sardar T.A.K. Sindhu
Affiliation:
Keywords: aids, anti-hiv vaccine, ctl, cytokines, hiv, il, nk cells
Abstract: IL-15 is a pleiotropic and multifunctional cytokine that has a diverse array of distinct biological effects in the body. It plays a crucial role in host defense from viral and non-viral intracellular pathogens. The cytokine is essential for the development and differentiation of NK cells and for homeostatic expansion of CD8+ memory T cells, NKT cells and certain subsets of intestinal intra-epithelial lymphocytes (iIEL). It acts as a survival factor and inhibits spontaneous apoptosis in T, B and NK cells by increasing expression of different anti-apoptotic proteins. Several studies have shown that IL-15 production is compromised in HIV-infected AIDS patients and exogenous IL-15 drastically enhances functions of immune cells from these patients. Considering these distinct immune enhancing effects, relative safety in animal models, and minimal effects on HIV replication, IL-15 may represent a better cytokine for immune reconstitution in these patients. Furthermore, IL-15 may also act as a better adjuvant in eliciting antiviral immunity in anti-HIV vaccine strategies.
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Cite this article as:
Ahmad Ali, Ahmad Rasheed, Iannello Alexandre, Toma Emil, Morisset Richard and Sindhu T.A.K. Sardar, IL-15 and HIV Infection: Lessons for Immunotherapy and Vaccination, Current HIV Research 2005; 3 (3) . https://dx.doi.org/10.2174/1570162054368093
DOI https://dx.doi.org/10.2174/1570162054368093 |
Print ISSN 1570-162X |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4251 |
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Management of HIV: Management of HIV: old challenges and new needs
The aim of this thematic issue is to provide the most recent updates regarding the effective management of HIV infection. Antiretroviral therapy (ART) has significantly decreased HIV-related mortality, leading to an enhancement in the quality of life and life expectancy for people living with HIV (PLWH). Despite the numerous advancements ...read more
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