category
Molecular Cell
date
Feb 24, 2026
slug
status
Published
summary
发现RNASEK作为保守的核糖核酸酶可降解衰老相关环状RNA,揭示其在应激颗粒稳态和生物体长寿中的关键作用,建立环状RNA代谢与衰老的直接联系
tags
核酸蛋白工具酶
蛋白质组学
type
Post

📄 原文题目

Ribonuclease κ promotes longevity by preventing age-associated accumulation of circular RNA in stress granules

🔗 原文链接

💡 AI 核心解读

发现RNASEK作为保守的核糖核酸酶可降解衰老相关环状RNA,揭示其在应激颗粒稳态和生物体长寿中的关键作用,建立环状RNA代谢与衰老的直接联系

📝 英文原版摘要

Kim et al. identify RNK-1/RNASEK as a conserved ribonuclease that degrades age-dependently increased circular RNAs. The loss of RNASEK leads to stress-granule persistence and accelerates aging, supporting a role for circRNA turnover in stress-granule homeostasis and organismal longevity.
基于CRISPR的功能基因组学用于解析原发性急性髓系白血病样本的治疗依赖性环状RNA-靶标RNA相互作用的全基因组映射揭示P体介导的翻译抑制
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