港股异动 | 宜明昂科-B(01541)涨超5% Treg细胞疗法备受关注 目前公司正积极推进泰泽苏拜单抗临床开发

智通财经
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智通财经APP获悉,宜明昂科-B(01541)涨超5%,截至发稿,涨5.22%,报11.47港元,成交额4047.65万港元。

消息面上,据宜明昂科-B官微消息,近日,玛丽·E·布伦科等三位科学家被授予2025年诺贝尔生理学或医学奖,以表彰他们在外周免疫耐受机制领域的研究成果。这一创新性研究成果找到了免疫系统的抑制开关,为全球数亿自身免疫病及癌症患者带来颠覆性疗法。调节性T细胞(Treg 细胞)通过Foxp3转录因子维持免疫耐受,其功能异常与自身免疫病、癌症等密切相关,而细胞毒性T淋巴细胞相关抗原4(CTLA-4)是Treg细胞执行免疫抑制功能的“关键效应分子”。Treg细胞的发现及其作用机制研究,为开发新一代免疫调节药物提供了理论基础。

据介绍,宜明昂科开发的新一代CTLA-4抗体泰泽苏拜单抗(tazlestobart,IMM27M)通过清除肿瘤微环境中的Treg细胞而发挥抗肿瘤疗效。目前宜明昂科正积极推进泰泽苏拜单抗的临床开发。泰泽苏拜单抗(tazlestobart,IMM27M)是宜明昂科公司自主研发的新一代CTLA-4抗体,通过基因工程技术加强了ADCC活性,可以全面清除肿瘤微环境中的Treg细胞。IMM27M是一种针对Treg细胞的创新药物,其主要作用机制是通过靶向Treg细胞上的特定分子CTLA-4,调节其功能或数量,从而增强免疫反应。

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