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[同种异体心脏移植实质中同种异型肽诱导的Fas配体(FasL)表达作为诱导供体特异性耐受原因的意义]

[Significance of allopeptide-induced expression of Fas ligand (FasL) in parenchyma of allogenic heart transplants as the cause of donor-specific tolerance induction].

作者信息

Dresske B, Schröder J, Zavazava N, Kremer B, Fändrich F

机构信息

Klinik für Allgemeine und Thoraxchirurgie, Christian-Albrechts-Universität zu Kiel.

出版信息

Langenbecks Arch Chir Suppl Kongressbd. 1998;115(Suppl I):83-7.

PMID:14518218
Abstract

This study proves the tolerogenicity of polymorphic allopeptides. Combined administration of peptides derived from the alpha 1 (intrathymal) and the alpha 2 (intraperitoneal) helical region of the donor RT1.A(a) molecule induced specific tolerance in a rat model of cardiac allotransplantation. The underlying tolerance mechanism was mediated by selective depletion of alloreactive T cells within the thymus and Fas-L-induced apoptosis within the graft.

摘要

本研究证实了多态性异源肽的耐受性。联合给予源自供体RT1.A(a)分子α1(胸腺内)和α2(腹腔内)螺旋区域的肽,可在心脏同种异体移植大鼠模型中诱导特异性耐受。潜在的耐受机制是由胸腺内同种反应性T细胞的选择性耗竭以及移植物内Fas-L诱导的细胞凋亡介导的。

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1
[Significance of allopeptide-induced expression of Fas ligand (FasL) in parenchyma of allogenic heart transplants as the cause of donor-specific tolerance induction].[同种异体心脏移植实质中同种异型肽诱导的Fas配体(FasL)表达作为诱导供体特异性耐受原因的意义]
Langenbecks Arch Chir Suppl Kongressbd. 1998;115(Suppl I):83-7.
2
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