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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/42046
Title: Impact of Vaccination on Distribution of T Cell Subsets in Antiretroviral-Treated HIV-Infected Children
Authors: Premrutai Thitilertdecha
Ladawan Khowawisetsut
Palanee Ammaranond
Poonsin Poungpairoj
Varangkana Tantithavorn
Nattawat Onlamoon
Mahidol University
Chulalongkorn University
Keywords: Biochemistry, Genetics and Molecular Biology
Issue Date: 1-Jan-2017
Citation: Disease Markers. Vol.2017, (2017)
Abstract: © 2017 Premrutai Thitilertdecha et al. Antiretroviral therapy (ART) is generally prescribed to patients with human immunodeficiency virus (HIV) infection with vaccination introduced to prevent disease complications. However, little is known about the influence of immunization on T cell subsets' distribution during the course of infection. This study aims to identify the impact of viral replication and immunization on naïve, effector, effector memory, and central memory T cell subpopulations in ART-treated HIV-infected children. Fifty patients were recruited and injected intramuscularly with influenza A (H1N1) 2009 vaccine on the day of enrollment (day 0) and day 28. Blood samples were collected for pre- and postvaccination on days 0 and 56 for analyzing T cell phenotypes by flow cytometry. Phenotypes of all T cell subsets remained the same after vaccination, except for a reduction in effector CD8+ T cells. Moreover, T cell subsets from patients with controllable viral load showed similar patterns to those with virological failure. Absolute CD4 count was also found to have a positive relationship with naïve CD4+ and CD8+ T cells. In conclusion, vaccination and viral replication have a little effect on the distribution of T cell subpopulations. The CD4 count can be used for prediction of naïve T cell level in HIV-infected patients responding to ART.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85021665626&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/42046
ISSN: 18758630
02780240
Appears in Collections:Scopus 2016-2017

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