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РЖ ВИНИТИ 34 (BI39) 95.09-04К1.563

Identification of myocarditogenic peptides derived from cardiac myosin capable of inducing experimental allergic myocarditis in the lewis rat: The utility of a class II binding motif in selecting self-reactive peptides [Text] / Keith W. Wegmann [et al.] // J. Immunol. - 1994. - Vol. 153, N 2. - P892-900 . - ISSN 0022-1767
Перевод заглавия: Выявление миокардиогенных пептидов, возникающих из миозина сердца, способного вызывать экспериментальный аллергический миокардит у крыс Льюис. Использование способности связывать антигены класса II при отборе аутореактивных пептидов
Аннотация: Cardiac myosin (CM) has been implicated as an autoantigen in the induction of experimental allergic myocarditis (EAM). At the present time no myocarditogenic peptides of CM have been identified. To identify CM peptides with myocarditogenic properties we have made use of a putative binding motif for the MHC class II molecule RT1.B in the rat. The amino acid sequence of CM 'альфа'-chain was scanned and found to contain nine peptides that contain this binding motif, three peptides found only in the cardiac form of myosin were chosen for further study. This manuscript describes the identification of two CM peptides capable of inducing EAM in the Lewis rat. In doing so this study demonstrates the utility of an MHC class II binding motif to (correctly) predict pathogenic, autoimmunity inducing, peptides. Peptides, CM 1, and CM 2 are the first peptides described that are capable of inducing EAM in rats. The utilization of CM 2 peptide has permitted the establishment of a long term, Ag specific cell line capable of adoptively transferring EAM. Moreover, the establishment of CM 2 specific T lymphocyte lines has permitted the description of a detailed proliferative response of a myocarditogenic cell line to a specific cardiac Ag. The identification of CM 1 and 2 formally proves that CM, and not a co-purified contaminant, is an Ag in EAM. Finally, this report documents that experimentally induced giant cell myocarditis is not a separate disease entity arising from a distinct cardiac Ag or CM epitope from regular myocarditis

ГРНТИ	34.43.55

ВИНИТИ 341.43.55.17
Рубрики: ЭКСПЕРИМЕНТАЛЬНЫЙ МИОКАРДИТ
ИНДУКЦИЯ
МИОЗИН СЕРДЦА
АУТОРЕАКТИВНЫЕ ПЕПТИДЫ
ГКГС
АНТИГЕНЫ КЛАССА II
КРЫСЫ

Доп.точки доступа:
Wegmann, Keith W.; Zhao, Weiguo; Griffin, Ann C.; Hickey, William F.

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