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在多发性硬化症的动物模型中改变了T细胞的发展

Qianling Jiang¹, Xin Ma¹, Gaochen Zhu¹

¹Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China.

Experimental neurology

|October 22, 2023

概括

实验性自身免疫脑膜炎 (EAE) 改变了胸腺T细胞的发育,影响了多发性硬化症 (MS) 的发病. 胸膜功能调节可能为EAE和MS提供新的治疗策略.

科学领域:

免疫学免疫学免疫学
神经免疫学神经免疫学
这是一种自身免疫力.

背景情况:

多发性硬化症 (MS) 是一种中枢神经系统 (CNS) 的自身免疫性疾病.
实验性自身免疫脑膜炎 (EAE) 模型MS,帮助研究.
在多发性硬化症患者中,早期的胸腺内置表明胸腺参与中枢神经系统自身免疫.

研究的目的:

调查EAE诱导对胸膜形成和T细胞发育的影响.
了解胸腺在中枢神经系统自身免疫性疾病中的作用.

主要方法:

在小鼠中诱导EAE.
对胸细胞发育,细胞亡和增殖的分析.
流细胞测量以评估T细胞群 (双阴性,双阳性,单阳性).
在EAE小鼠和MS患者之间比较胸膜T细胞子集.

主要成果:

诱导EAE改变了T细胞的发育,增加了胸细胞亡并减少了增殖.
观察到双阴性到双阳性T细胞转换中的阻塞.
阳性选择被破坏,导致单阳性T细胞的增加.
增加了调控性T细胞的产生和改变了外围T细胞子集.
在EAE/MS和健康对照人群之间,发现了来自甲状腺的T细胞的明显表达模式.

结论:

在EAE/MS期间,T细胞的发育发生显著的变化.
这些发现凸显了胸腺作为MS和EAE的潜在治疗点.

关键词:

实验性自身免疫性脑膜炎多发性硬化症是多发性硬化症.在T细胞发育过程中,胸腺 (thymus) 是一个神经系统.

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