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M94A0735.TXT
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1994-10-21
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Document 0735
DOCN M94A0735
TI Primary T-cell response to HIV-1 in vitro.
DT 9412
AU Todd B; Pope J; NCHVR, Royal Children's Hospital, Brisbane, Qld.
SO Annu Conf Australas Soc HIV Med. 1993 Oct 28-30;5:105 (poster no. 60).
Unique Identifier : AIDSLINE ASHM5/94348920
AB HIV-I-specific, MHC-restricted cytotoxic T cells may be detected
directly in peripheral blood (PB) of HIV-1-infected patients, and
cytotoxic T-cell lines can be established in vitro. CD8+ T cells
predominate, and epitopes exist in most viral antigens. Generation of
cytotoxic T cells from the PB mononuclear cells from uninfected donors
has received less attention. Our aim is to characterise the primary
cellular immune response to HIV-1 infection in vitro. The approach is to
generate T-cell colonies and amplify T-cell lines and clones. These
T-cells are phenotyped (cell markers) and their HIV-1 specificity
determined by use of autologous targets infected with HIV-1 or with
vaccinia constructs expressing HIV-1 antigens. So far, 92 T-cell lines
and 20 clones have been established in response to stimulation with live
or inactivated HIV-1. Both CD4+ and CD8+ T cells have been generated.
Cytotoxicity tests have so far yielded 6 T-cell lines with putative
HIV-1 specificity for detailed study.
DE Cell Line Cytotoxicity Tests, Immunologic Human HIV-1/*IMMUNOLOGY
Immunophenotyping In Vitro T-Lymphocytes/*IMMUNOLOGY T-Lymphocytes,
Cytotoxic/*IMMUNOLOGY MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).