Abstract:
:HAART may increase CD4+ T cell counts despite a persistently detectable HIV load. The impact of HAART on apoptosis, which may play a role in the disease process in HIV-infected patients, has not been extensively studied. We performed a study to compare the level of spontaneous T cell apoptosis and anti-retroviral treatments in a cohort of HIV-1-infected patients. Data were obtained from a computerized medical record. Quantification of apoptotic cells was by cytofluorometric technique. From November 1995 to December 1997 we studied T cell apoptosis in 112 HIV-infected patients. Forty patients were classified A, 36 B and 36 C. Thirty patients were naive and 82 received an anti-retroviral treatment, 49 including a protease inhibitor (PI). The median plasma viraemia determined in 63 patients was 3.6 (range 1.3-5.6) log10. The median apoptotic cell count was 22% (range 2-73%) and 12% (range 2-60%) for CD4+ and CD8+ T cells, respectively. We did not observe any correlation between the HIV viraemia and the level of apoptosis of T cell subsets. Patients with HAART showed a lower percentage of apoptotic CD4+ T cells only: 16% (range 2-61%) versus 25% (range 5-73%) for patients receiving two nucleoside analogues (P = 0.02). This effect was significant in stage A patients and remained observable during the whole course of HIV disease. In conclusion, HAART, without any relation to plasma viraemia, is able to reduce apoptosis of CD4+ T cells.
journal_name
Clin Exp Immunoljournal_title
Clinical and experimental immunologyauthors
Roger PM,Breittmayer JP,Arlotto C,Pugliese P,Pradier C,Bernard-Pomier G,Dellamonica P,Bernard Adoi
10.1046/j.1365-2249.1999.01076.xsubject
Has Abstractpub_date
1999-12-01 00:00:00pages
412-6issue
3eissn
0009-9104issn
1365-2249pii
cei1076journal_volume
118pub_type
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