Immunodominance of a low-affinity major histocompatibility complex-binding myelin basic protein epitope (residues 111-129) in HLA-DR4 (B1*0401) subjects is associated with a restricted T cell receptor repertoire.
Immunodominance of a low-affinity major histocompatibility complex-binding myelin basic protein epitope (residues 111-129) in HLA-DR4 (B1*0401) subjects is associated with a restricted T cell receptor repertoire.
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HLA-DR4 (B1*0401) 受试者中低亲和力主要组织相容性复合物结合髓磷脂碱性蛋白表位(残基 111-129)的免疫优势与受限的 T 细胞受体库相关。
DOI:
10.1172/jci119539
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发表时间:
1997
期刊:
影响因子:
--
通讯作者:
Roland Martin
中科院分区:
文献类型:
--
作者:
Paolo A. Muraro;M. Vergelli;M. Kalbus;Darhlene E. Banks;James W. Nagle;L. Tranquill;G. T. Nepom;W. Biddison;Henry F. McFarland;Roland Martin
The pathogenesis of multiple sclerosis (MS) is currently ascribed in part to a T cell-mediated process targeting myelin components. The T cell response to one candidate autoantigen, myelin basic protein (MBP), in the context of HLA-DR15Dw2, has been previously studied in detail. However, the characteristics of cellular immunity in the context of other MS-associated HLA-DR haplotypes are scarcely known. MBP-specific T cell lines (TCL) were generated from HLA-DR4 (B1*0401)-positive MS subjects. Out of 275 MBP-specific TCL, 178 (64. 7%) specifically recognized region MBP(111-129), predominantly in the context of DRB1*0401. The major T cell epitope for MBP recognition corresponded to residues MBP(116-123). These TCL expressed disparate profiles of cytokine secretion and cytotoxicity. T cell receptor analysis, on the other hand, revealed a strikingly limited heterogeneity of rearrangements. In contrast to MBP(81-99), which binds with high affinity to HLA-DR15 and is recognized by a diverse T cell repertoire, MBP(111-129) binds weakly to DRB1*0401, suggesting that only high affinity T cell receptors might be able to efficiently engage such unstable MHC/peptide complexes, thus accounting for the T cell receptor restriction we observed. This study provides new insight about MBP recognition and proposes an alternative mechanism for immunodominance of self-antigen T cell epitopes in humans.
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DOI:
--
发表时间:
1995
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Mason,K;DenneyJr,DW;McConnell,HM
通讯作者:
McConnell,HM
DOI:
--
发表时间:
1991
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Hashim,G;Vandenbark,AA;Gold,DP;Diamanduros,T;Offner,H
通讯作者:
Offner,H
影响因子:
4.4
作者:
R. Martin;D. Jaraquemada;M. Flerlage;J. Richert;J. Whitaker;Eric O Long;D. McFarlin;H. McFarland
通讯作者:
R. Martin;D. Jaraquemada;M. Flerlage;J. Richert;J. Whitaker;Eric O Long;D. McFarlin;H. McFarland
DOI:
10.1073/pnas.81.14.4302
发表时间:
1984-01-01
期刊:
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES
影响因子:
--
作者:
LING, N;ESCH, F;GUILLEMIN, R
通讯作者:
GUILLEMIN, R
DOI:
10.1073/pnas.82.15.5131
发表时间:
1985-01-01
影响因子:
11.1
作者:
HOUGHTEN, RA
通讯作者:
HOUGHTEN, RA