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整合批量和单细胞转录组学以阐明自在衰老组织中的作用和潜在机制

Zhenhua Zhu¹, Linsen Li¹, Youqiong Ye^2,3

¹Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.

Cellular oncology (Dordrecht, Netherlands)

|October 16, 2024

概括

自,细胞循环的过程,最强烈地与血液组织的衰老有关. 经典单细胞中增强的自有助于炎症和氧化应激,加速衰老过程并建议新的治疗途径.

科学领域:

细胞生物学细胞生物学
衰老研究研究衰老研究
免疫学免疫学免疫学

背景情况:

自是一种与衰老相关的细胞过程,但其在衰老过程中不同组织中的特定作用和调节尚未完全理解.
识别具有最强自衰老相关性的组织对于理解与年龄相关的细胞功能障碍至关重要.

研究的目的:

为了确定哪些组织在自和衰老之间表现出最高的相关性.
研究衰老组织微观环境中的自的功能和调节机制.

主要方法:

集成大规模数据集,包括来自7000多个正常组织样本和急性髓性白血病 (AML) 样本的大量RNA测序.
分析来自不同年龄组的血液样本的单细胞测序数据和AML患者数据.
应用各种生物信息学方法来分析综合数据集.

主要成果:

在健康组织中,血液组织与衰老的正相关性最高.
在老化血液中,古典单细胞 (C. monocytes) 显示出与自升高的最强相关性.
增加C.单细胞的自与缺氧相关,促炎基因上调和反应性氧物种 (ROS) 积累,有助于组织衰老.

结论:

自与血液组织的衰老有显著的相关性,特别是在经典单细胞中.
在C.单细胞中增强的自促进炎症和ROS产生,可能加速衰老过程.
这些发现凸显了自在血液衰老中的关键作用,并表明了与年龄有关的疾病的潜在治疗点.

关键词:

衰老的衰老衰老的衰老自自是一种自的过程.氧气过低是因为缺氧.单细胞 (Monocytes) 是一种单细胞.有反应性氧物种的反应性氧物种.

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