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1996-01-30
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Document 0526
DOCN M9610526
TI Crohn's disease is accompanied by changes in the CD4+, but not CD8+, T
cell receptor BV repertoire of lamina propria lymphocytes.
DT 9601
AU Gulwani-Akolkar B; Akolkar PN; McKinley M; Fisher SE; Silver J;
Department of Medicine, North Shore University Hospital/Cornell;
University Medical College, Manhasset, New York 11030, USA.
SO Clin Immunol Immunopathol. 1995 Oct;77(1):95-106. Unique Identifier :
AIDSLINE MED/96010059
AB To identify disease-specific T cell changes that occur in Crohn's
disease (CD), the T cell receptor (TCR) BV repertoires of lamina propria
lymphocytes (LPL) isolated from the diseased colon of seven CD patients
and eight controls were determined by semiquantitative polymerase chain
reaction (qPCR). As an internal control for the effects of HLA and other
genes on the TCR repertoire, the BV repertoires of peripheral blood
lymphocytes (PBL) from the same individuals were similarly determined
and used for comparison. It was observed that the BV repertoires of LPL
and PBL within the same individual were very different in both the CD
and control groups. However, the CD4+, but not CD8+, repertoires of LPL
and PBL differed to a much greater extent in the CD group than in the
control group. Furthermore, in each CD patient there was a unique
pattern of BV segments which were increased in the CD4+ LPL repertoire
relative to that in PBL. These observations suggest that the
inflammatory process in CD involves responses by specific CD4+ T cells
to specific antigens. The isolation of such inflammation-specific CD4+ T
cells may make it possible to identify the antigens which are
responsible for the inflammatory process in CD and provide a better
understanding of its pathogenesis.
DE Adolescence Adult Crohn Disease/*IMMUNOLOGY CD4-Positive
T-Lymphocytes/*IMMUNOLOGY CD8-Positive T-Lymphocytes/*IMMUNOLOGY Gene
Expression Gene Rearrangement, beta-Chain T-Cell Antigen Receptor
Human Intestines/*IMMUNOLOGY Middle Age Receptors, Antigen, T-Cell,
alpha-beta/GENETICS/*IMMUNOLOGY RNA, Messenger/GENETICS Support,
Non-U.S. Gov't Support, U.S. Gov't, P.H.S. Twins, Monozygotic JOURNAL
ARTICLE TWIN STUDY
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).