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综合的奥米克揭示了与多发性硬化症相关的放射性状细胞,在多发性硬化症中具有表观遗传失调的干扰素反应

Bongsoo Park¹, Alexandra M Nicaise², Dimitrios Tsitsipatis³

¹Epigenetics and Stem Cell Unit, Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA.

|October 11, 2025

概括

研究人员确定了一种新型细胞类型,即与疾病相关的放射性状细胞 (DARGs),用于进展性多发性硬化症 (PMS). 这些衰老的,对干扰素敏感的DARG可能会导致慢性炎症和神经退行,从而揭示出新的治疗点.

科学领域:

神经科学是一个神经科学.
免疫学免疫学免疫学
细胞生物学细胞生物学

背景情况:

渐进性多发性硬化症 (PMS) 的特征是慢性炎症.
在PMS中持续的神经炎症的细胞驱动因素尚未完全理解.

研究的目的:

调查细胞和表观遗传机制是渐进性多发性硬化症的基础.
在PMS中识别新的细胞群和治疗点.

主要方法:

从PMS患者的纤维细胞生成诱导的神经干细胞 (iNSCs).
单细胞多组体分析以表征细胞亚群.
在体外功能测定和老化治疗.
对PMS脑组织的分析.

主要成果:

从PMS患者获得的iNSCs在脂质代谢和干扰素 (IFN) 信号基因中显示出低甲基化.
在PMSiNSC中发现了一种新的亚群,即与疾病相关的放射性状细胞 (DARGs),表现出衰老和IFN响应性.
PMS iNSCs诱导了膜衰老和炎症,这种情况通过老化治疗而逆转.
在PMS大脑中发现了衰老的,对IFN敏感的DARG,与活跃的病变和炎症性细胞结核相关.

结论:

DARG代表了以前未被识别的细胞类型,可能会在PMS中维持燃烧着的炎症.
这些发现表明,一种新的细胞轴有助于PMS中神经退行.
向DARG或老化疗法可能为PMS提供新的治疗策略.

关键词:

细胞衰老细胞衰老表观遗传失调是指表观遗传失调.干扰素的反应是干扰素的反应.神经干细胞的神经干细胞神经退行症的神经退行症渐进的多发性硬化症.放射性状细胞类似的细胞.一个单细胞多细胞的奥米克.空间转录学空间转录学转录的签名转录的签名

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