PubMed · 10123930
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L Bailey, J Purdy, G Van Oort, T Wills. 1990. Wellness centers.. https://pubmed.ncbi.nlm.nih.gov/10123930/
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The relationship between human immunodeficiency virus (HIV) type 1 replication and CD4+ T cell function was examined. T lymphocyte proliferation in response to both HIV-1 antigens and recall antigens was measured in HIV-1-infected individuals before and after they received highly active antiretroviral therapy (HAART). No correlation was observed between baseline viral load or CD4+ T cell count and the T cell proliferative response to HIV-1 Gag. Suppression of viremia was not associated with an increase in T cell proliferative responses. Emergence of viral replication during short periods of intermittent therapy promoted generalized activation of T helper lymphocytes, manifested by increased T cell proliferative responses to HIV-1 Gag and recall antigens. Recovery of CD4+ T cell responses occurred in some individuals who initiated HAART years after infection and who were intermittently adherent to drug treatment. Thus, CD4+ T cell responses can sometimes be regenerated if viral load is suppressed to allow some immune recovery and if antigenic stimulation is later provided.
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