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M94A0193.TXT
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1994-10-08
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Document 0193
DOCN M94A0193
TI Effect of monoclonal antibody CD4 on expression of intercellular
adhesion molecule 1 in renal tissues of ddY mice: a spontaneous animal
model of IgA nephropathy.
DT 9412
AU Ohmuro H; Tomino Y; Koide H; Department of Medicine, Juntendo University
School of Medicine,; Tokyo, Japan.
SO Am J Nephrol. 1994;14(2):136-41. Unique Identifier : AIDSLINE
MED/94361166
AB Immunofluorescence studies were performed to determine whether the
expression of intercellular adhesion molecule 1 (ICAM-1) in ddY mice, a
model for IgA nephropathy (Berger's disease), is influenced by treatment
with a rat monoclonal antibody to murine CD4 molecules. The ddY mice
were initially treated with intravenous injections, followed by weekly
intraperitoneal injections of monoclonal antibody CD4. Using
immunofluorescence, the mean intensity of IgA deposits in renal
glomerular mesangial areas and capillary walls of the treated ddY mice
was significantly lower than that in saline-treated control ddY mice of
comparable ages. Marked expression of ICAM-1 was observed in glomerular
capillary walls and mesangial areas in both control and treated ddY mice
aged 40 and 70 weeks. The glomerular mesangial expansion in the treated
ddY mice was milder than that found in the control ddY mice. No
significant difference in glomerular cell proliferation between the
treated and control ddY mice was observed. Although the infiltration of
CD4+ T cells in glomeruli was slightly decreased after the treatment,
that of CD8+ T cells and macrophages/monocytes was marked in both
control and treated ddY mice aged 40 and 70 weeks. Thus, it appears that
CD4+ T cells modulate the amount of IgA deposits in glomeruli, and other
factors may be involved in the expression of ICAM-1 in glomeruli of IgA
nephropathy in ddY mice.
DE Animal Antibodies, Monoclonal Antigens, CD4/*IMMUNOLOGY Cell Adhesion
Molecules/BIOSYNTHESIS/*IMMUNOLOGY Cell Division CD4-CD8 Ratio
Glomerulonephritis, IGA/*IMMUNOLOGY/METABOLISM/PATHOLOGY IgA/IMMUNOLOGY
Kidney Glomerulus/*IMMUNOLOGY/PATHOLOGY Lymphocyte Function-Associated
Antigen-1/BIOSYNTHESIS/*IMMUNOLOGY Macrophages/*IMMUNOLOGY/PATHOLOGY
Mice Mice, Inbred Strains Models, Biological
Monocytes/*IMMUNOLOGY/PATHOLOGY Support, Non-U.S. Gov't T4
Lymphocytes/*IMMUNOLOGY/PATHOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).