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M9550127.TXT
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1995-03-04
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Document 0127
DOCN M9550127
TI Anti-IL-4 monoclonal antibody and IFN-gamma administration retards
development of immune dysfunction and cytokine dysregulation during
murine AIDS.
DT 9505
AU Wang Y; Ardestani SK; Liang B; Beckham C; Watson RR; Department of
Family and Community Medicine, University of; Arizona, Tucson 85724.
SO Immunology. 1994 Nov;83(3):384-9. Unique Identifier : AIDSLINE
MED/95137666
AB This study was designed to determine if administration of
anti-interleukin-4 (IL-4) monoclonal antibody (mAb), interferon-gamma
(IFN-gamma) and their combination after LP-BM5 retrovirus infection of
female C57BL/6 mice would prevent retrovirus-induction of
immunosuppression and cytokine dysregulation. Splenic natural killer
(NK) cell activity, T- and B-cell proliferation, and T-helper type 1
(Th1) and Th2 cytokine (IL-2, IFN-gamma, IL-5 and IL-10) and monokine
[IL-6 and tumour necrosis factor-alpha (TNF-alpha)] secretions were
monitored, as they are usually altered dramatically after murine
retrovirus infection. Administration of IFN-gamma and anti-IL-4
significantly prevented retrovirus-induced suppression of splenic NK
cell activity, and splenic T- and B-cell proliferation. They also
significantly slowed retrovirus-induced elevation of Th2 cytokine (IL-5
and IL-10) release and monokine (IL-6 and TNF-alpha) secretion by
splenocytes. They prevented the loss of Th1 cytokine (IL-2 and
IFN-gamma) release by splenocytes, and alleviated splenomegaly and
hypergammaglobulinemia, precursor signs of development of acquired
immune deficiency syndrome (AIDS). These findings could provide insight
into the roles of immunomodulator in AIDS treatment as well as the
mechanisms by which retrovirus infection induces cytokine dysregulation,
facilitating immunodeficiencies in AIDS.
DE Animal Antibodies, Monoclonal/*ADMINISTRATION & DOSAGE
Cytokines/*METABOLISM Interferon-gamma, Recombinant/*ADMINISTRATION &
DOSAGE Interleukin-4/*IMMUNOLOGY Mice Mice, Inbred C57BL Murine
Acquired Immunodeficiency Syndrome/*THERAPY Support, U.S. Gov't, P.H.S.
T-Lymphocytes/*IMMUNOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).