EPISODE · Jul 7, 2026 · 20 MIN
1244-人类衰老过程中细胞基础过程的协调性缺失
from 聊聊Sci
这项研究通过构建一种跨组织的转录调节模型,揭示了人体衰老过程中基因表达协调性的变化规律。研究者利用海量癌症细胞系数据训练模型,并将其应用于多个人类组织,发现衰老并不总是导致简单的监管失效,而是伴随着基因间关联的增强与减弱。实验表明,衰老导致的协调性降低主要发生在执行不同功能的细胞过程之间,而增强的关联则多见于组织特异性功能中。此外,研究强调这种“可预测性”的变化与个体间基因表达波动及细胞代谢(如线粒体呼吸和细胞周期)密切相关。该成果为理解衰老引发的系统级功能衰退**及机体适应性反应提供了全新的系统生物学视角。References:Leote A C, Lopes F, Beyer A. Loss of coordination between basic cellular processes in human aging[J]. Nature Aging, 2024, 4(10): 1432-1445.前往小宇宙评论区与主播互动
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1244-人类衰老过程中细胞基础过程的协调性缺失
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