home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The Arsenal Files 6
/
The Arsenal Files 6 (Arsenal Computer).ISO
/
health
/
med9603.zip
/
M9630704.TXT
< prev
next >
Wrap
Text File
|
1996-02-27
|
3KB
|
49 lines
Document 0704
DOCN M9630704
TI Preferential dependence of autoantibody production in murine lupus on
CD86 costimulatory molecule.
DT 9603
AU Nakajima A; Azuma M; Kodera S; Nuriya S; Terashi A; Abe M; Hirose S;
Shirai T; Yagita H; Okumura K; Department of Immunology, Juntendo
University School of Medicine,; Tokyo, Japan.
SO Eur J Immunol. 1995 Nov;25(11):3060-9. Unique Identifier : AIDSLINE
MED/96085177
AB Blockade of the interactions between CD28/CTLA-4 and their ligands, CD80
(B7, B7.1)/CD86 (B70, B7.2), seems an attractive means to induce
antigen-specific peripheral tolerance in organ transplantation and
autoimmune disease. Recently, diversities between CD80 and CD86 in
expression, regulation, and function have been reported in certain cell
populations and murine experimental disease models. To investigate the
possible differential role of CD80 and CD86 in the development of lupus,
we treated lupus-prone NZB/W F1 mice with specific monoclonal antibodies
(mAb) against CD80, CD86, or both. The treatment with a combination of
anti-CD80 and CD86 mAb before the onset of lupus completely prevented
autoantibody production and nephritis, and prolonged survival.
Interestingly, we found that anti-CD86 mAb alone, but not anti-CD80 mAb,
efficiently inhibited autoantibody production. Subclass study on IgG
anti-double-stranded (ds) DNA antibody revealed that the treatment with
anti-CD86 mAb almost completely inhibited both IgG1 and IgG2b, but not
IgG2a production. The incomplete reduction of IgG2a anti-dsDNA antibody
by anti-CD86 mAb was compensated by the addition of anti-CD80 mAb. A
significant reduction of mRNA for interleukin (IL)-2, interferon-gamma,
IL-4 and IL-6 was observed in mice treated with a combination of
anti-CD80 and CD86 mAb or anti-CD86 mAb alone. Treatment with both mAb
after the onset of lupus resulted in a significantly prolonged survival
with reduction of autoantibody production. These results suggest that
CD86 plays a more critical role in autoantibody production, and CD86,
but not CD80, contributes to Th2-mediated Ig production. However, the
blockade of both CD80 and CD86 are required for preventing the
development and progression of lupus.
DE Animal Antibodies, Monoclonal/*THERAPEUTIC USE Antigens,
CD/*IMMUNOLOGY Antigens, CD5/IMMUNOLOGY Antigens, CD80/*IMMUNOLOGY
Autoantibodies/*BIOSYNTHESIS/IMMUNOLOGY B-Lymphocytes/IMMUNOLOGY
Female Lupus Erythematosus, Systemic/*IMMUNOLOGY/PREVENTION & CONTROL/
THERAPY Lupus Nephritis/IMMUNOLOGY/MORTALITY Membrane
Glycoproteins/*IMMUNOLOGY Mice Mice, Inbred BALB C Mice, Inbred NZB
Rats Rats, Sprague-Dawley Support, Non-U.S. Gov't Th2
Cells/IMMUNOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).