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Complement Factor H-Based Therapeutics: A Comprehensive Overview

delete2026-09-29
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Sebastiaan M. W. R. Hamers
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Emmy J. Buter
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Richard B. Pouw *
DOI:10.1002/eji.70241delete
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摘要

摘要

En 中文
补体系统是先天免疫的关键组成部分,通过调节免疫过程以维持正常的内环境稳定。然而,补体的失调可导致严重的病理状态。补体疗法旨在降低突破性补体激活的风险,该领域自2007年第一种补体调节剂引入临床以来稳步发展,目前许多补体调节策略正在开发中。本文重点围绕因子H(FH)相关的治疗进展,因子H是补体的关键性内源性调节剂。FH是一种补体抑制剂,控制自我放大的替代途径(AP),其通过衰变加速活性破坏C3和C5 AP转化酶,主要通过竞争因子B与C3b的结合发挥作用。此外,FH作为因子I的辅因子,可将C3b裂解为iC3b。经典途径和凝集素途径在C3水平汇聚,触发AP的自我放大环路。独立地,AP由持续激活的"tick-over"机制触发。AP的放大环路和"tick-over"机制均由FH控制。因此,在失调系统中增强FH功能代表了一种有前景的治疗方法。FH驱动的治疗策略包括通过血浆源性或重组生产的全长FH补充FH。此外,正在开发包含FH片段(有或无靶向机制)的蛋白质工程结构体,以及能与FH结合并增强其功能的抗体和肽等调节基团。在本综述中,我们全面概述了这些进展,讨论了每种策略的内在原理,并评估了其在治疗管线中的状态。

期刊

European Journal of Immunology 封面图
European Journal of Immunology
IF:
3.7
论文数:
351
被引数:
1.9W

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