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CD4+:neopterin ratio correlates with p24 antigenaemia in HIV infected patients.




 

J Clin Lab Immunol. 1990 Feb;31(2):55-7. Unique Identifier : AIDSLINE

In an effort to improve the Walter Reed Staging System (WR), which mainly relies on immune depletion parameters, by introducing viral replication and T-cell activation markers, we examined by p24 antigenaemia and serum neopterin levels (SNL) 72 HIV positive PGL, ARC and AIDS patients (11 of whom classified as WR 2, 21 as WR 3, 16 as WR 5 and 24 as WR 6). While CD4 cell counts, already weakly correlating with the WR itself, did not significantly differ between p24 antigen (p24 AG) positive and negative patients, striking differences between the two groups, especially in PGL patients (p less than 0.0001), were found as far as SNL was concerned. In fact, SNL values, fluctuating around 10 and 30 nmol/l, respectively, in p24 Ag positive and negative patients regardless of their WR allocation, seemed rather to reflect, as global means of any given class, prevalence rate of p24 Ag positivity. We suggest, therefore, to use CD4/SNL ratio (R) for HIV infection and disease staging, as it not only may represent a compromise index between cellular immune depletion and T-cell activation, but also seems to take into account the viral replication component, already shown to be an important predictive marker of disease progression.

Acquired Immunodeficiency Syndrome/BLOOD/MICROBIOLOGY Adolescence Adult AIDS-Related Complex/BLOOD/MICROBIOLOGY Biopterin/*ANALOGS & DERIVATIVES/ANALYSIS Comparative Study *CD4-Positive T-Lymphocytes Female Human HIV Core Protein p24/*BLOOD HIV Infections/*BLOOD/MICROBIOLOGY Leukocyte Count Male Viremia/BLOOD JOURNAL ARTICLE



 




Information in this article was accurate in October 30, 1992. The state of the art may have changed since the publication date. This material is designed to support, not replace, the relationship that exists between you and your doctor. Always discuss treatment options with a doctor who specializes in treating HIV.