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1994-10-25
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Document 3097
DOCN M94A3097
TI Longitudinal immunophenotypic studies on a cohort of asymptomatic HIV+ve
patients.
DT 9412
AU Trickett A; Tesfamariam N; Dwyer J; Kwan YL; St. George Hospital,
Sydney, Australia.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):154 (abstract no. PB0043). Unique
Identifier : AIDSLINE ICA10/94369478
AB OBJECTIVE: To study the changing proportions of subsets of CD4 and CD8
cells over time in a cohort of asymptomatic HIV+ve patients. This work
is being undertaken to aid in delineation of disease progression.
METHODS: Blood samples obtained at yearly intervals from 21 patients
were stained for 3 colour immunofluorescence. Control blood was obtained
from 21 age matched subjects at low risk for HIV. The following
combinations of antibodies were used: CD3/CD4/CD56/CD8; HLA-DR/CD38/CD8;
CD45RA/CD45RO/CD8; TCR alpha beta/TCR gamma delta. RESULTS: % of
lymphocytes binding antibody: TABULAR DATA, SEE ABSTRACT VOLUME.
CONCLUSION: The phenotypic profile of CD4 and CD8 subsets change with
time. For example, a decrease in the number of CD8+/CD45RA+/CD45RO+ was
noted. Increased expression of the activation markers HLA-DR and CD38
occur early in the course of infection and persist. Such changes may
have progostic significance. Studies are ongoing.
DE Antigens, CD/*BLOOD Cohort Studies Comparative Study CD4-CD8 Ratio
Human HIV Seronegativity/*IMMUNOLOGY HIV Seropositivity/*IMMUNOLOGY
*Immunophenotyping Killer Cells, Natural/IMMUNOLOGY Longitudinal
Studies Receptors, Antigen, T-Cell, alpha-beta/ANALYSIS Receptors,
Antigen, T-Cell, gamma-delta/ANALYSIS T-Lymphocyte Subsets/*IMMUNOLOGY
MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).