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1996-03-04
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Document 0599
DOCN M9640599
TI Specific interferon-gamma producing CD4+ and CD8+ T cells after
autologous EBV-B stimulation: the necessity of restimulation.
DT 9604
AU Vooijs WC; Nootebos MG; Wernert H; de Gast GC; Department of
Immunohaematology, University Hospital Utrecht, The; Netherlands.
SO Scand J Immunol. 1995 Dec;42(6):591-7. Unique Identifier : AIDSLINE
MED/96150308
AB The response of T cells to produce interferon-gamma, to proliferate and
to become cytotoxic after specific stimulation with low dose (2%)
autologous EBV-B cells was investigated in 15 EBV seropositive and five
seronegative patients. A significantly higher number of interferon-gamma
producing cells (56 +/- 24 per 10(5) T cells) were found in a spot ELISA
in EBV positive than in EBV negative patients (7 +/- 2 spots, P < 0.01)
and it was only found with restimulation after 5-12 days of primary
culture. No correlation was found between the extent of interferon-gamma
production, cytotoxicity or proliferation. Specificity of EBV-induced
interferon-gamma production was demonstrated by comparison of the
response to allogeneic EBV-B cells or IL-2 in the restimulation phase.
The response was stronger in CD8+ T cells than in CD4+ T cells and could
be blocked in the restimulation phase with HLA class I and class II
antiserum, respectively.
DE Cytotoxicity, Immunologic CD4-Positive T-Lymphocytes/*IMMUNOLOGY
CD8-Positive T-Lymphocytes/*IMMUNOLOGY Herpesvirus 4, Human/*IMMUNOLOGY
Human HLA Antigens/IMMUNOLOGY In Vitro Interferon Type
II/*BIOSYNTHESIS *Lymphocyte Transformation Time Factors JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).