EPISODE · Jan 31, 2026 · 16 MIN
456-EBV与ANO2交叉反应介导多发性硬化症研究
from 聊聊Sci
这项研究探讨了多发性硬化症（MS）的免疫致病机制，重点分析了爱泼斯坦-巴尔病毒（EBV）与人体自身抗原之间的分子模拟现象。研究人员发现，针对病毒蛋白EBNA1的免疫反应会错误地攻击大脑中的ANO2等蛋白，这种交叉反应在携带特定遗传风险基因的患者中尤为显著。通过对T细胞受体（TCR）的单细胞测序，科学家证实了同时识别病毒和自身组织的致病性细胞的存在。此外，利用动物模型进行的实验表明，这种自身免疫攻击会导致神经系统受损和炎症反应。该研究为理解环境病毒如何诱发慢性神经系统疾病提供了重要的分子证据。References: Thomas O G, Rykaczewska U, Galešić M, et al. Anoctamin-2-specific T cells link Epstein-Barr virus to multiple sclerosis[J]. Cell, 2026.前往小宇宙评论区与主播互动
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456-EBV与ANO2交叉反应介导多发性硬化症研究
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