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J Infect Dis. 2001 Jun 1;183(11):1678-81. Epub 2001 Apr 25.

RANTES production from CD4+ lymphocytes correlates with host genotype and rates of human immunodeficiency virus type 1 disease progression.

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Department of Human Retrovirology, Academic Medical Center, Amsterdam, 1105 AZ, The Netherlands.


Several chemokine and chemokine receptor parameters were measured in peripheral blood mononuclear cells obtained from patients before they became infected with human immunodeficiency virus type 1 (HIV-1). After HIV-1 infection, the parameters were compared with plasma HIV-1 RNA levels and with rates of CD4(+) lymphocyte decline. Patients who were heterozygous for the Delta32CCR5 allele had significantly higher levels of RANTES production from their CD4(+) lymphocytes than did patients who did not carry the Delta32CCR5 allele (P=.01). Higher RANTES production levels from ex vivo-activated CD4(+)-enriched lymphocytes, but not CD8(+) lymphocytes, correlated with lower plasma HIV-1 RNA levels 9-12 months after infection (P= .01) and with slower rates of CD4(+) lymphocyte decline (P= .002). CCR5 expression levels on ex vivo-activated CD4(+) lymphocytes did not correlate with markers of disease progression. These results further support the hypothesis that chemokine production levels are associated with HIV-1 replication in vivo.

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