首页|Siglec在肝移植免疫调控机制中的研究进展

Siglec在肝移植免疫调控机制中的研究进展

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在各种免疫调节系统中,存在着一种表达于免疫细胞表面的跨膜受体,可选择性地发挥作用,即唾液酸结合免疫球蛋白样凝集素(Siglec)家族。抑制宿主T细胞抗原应答是诱导肝移植免疫耐受的关键因素,新近发现Siglec-15是重要的T细胞抑制分子,部分家族成员与其具有相似的结构及生物学特性,由此,推测Siglec家族的成员可能成为诱导肝脏免疫耐受的新靶点。该文对这一领域的相关文献进行综述,以Siglec-15为切入点,探讨Siglec家族在抑制宿主T细胞抗原应答及调控免疫反应中可能的作用和分子机制,为移植术后免疫调控和免疫耐受的建立提供新的思路。
Research progress of Siglec in immune regulatory mechanisms of liver transplantation
In various immunomodulatory systems,there exists a transmembrane receptor expressed on the surface of immune cells,which can play a role selectively,namely the sialic-binding immunoglobulin-like lectin(Siglec)family.Inhibition of host T cell antigen response is a key factor in inducing immune tolerance of liver transplantation.Recently,Siglec-15 has been found to be an important T cell suppressor molecule,and some of its family members have similar structure and biological characteristics.It is speculated that the mem-bers of Siglec family may be a new target for inducing liver immune tolerance.Therefore,this paper reviews the relevant literatures in this field,and takes Siglec-15 as the entry point to explore the possible role and mo-lecular mechanism of Siglec family in inhibiting host T cell antigen response and regulating immune response in order to provide the new ideas for the establishment of immune regulation and tolerance after transplanta-tion.

sialic-binding immunoglobulin-like lectinliver transplantationimmune toleranceimmune rejectionischemia reperfusionreview

罗杰夫、龚建平、成名翔

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重庆医科大学附属第二医院肝胆外科,重庆 400010

唾液酸结合免疫球蛋白样凝集素 肝脏移植 免疫耐受 免疫排斥 缺血再灌注 综述

重庆市自然科学基金面上项目重庆市科卫联合医学科研项目重庆市教育委员会科学技术研究项目

cstc2020jcyjmsxmX07912023MSXM020KJQN202000405

2024

重庆医学
重庆市卫生信息中心,重庆市医学会

重庆医学

CSTPCD
影响因子:1.797
ISSN:1671-8348
年,卷(期):2024.53(13)
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