Ribonuclease κ promotes longevity by preventing age-dependent accumulation of circular RNAs in stress granules

📜 Molecular Cell (IF: 64.5)
研究揭示,核糖核酸酶κ(RNASEK)通过特异性降解随年龄积累的环状RNA(circRNA),防止其在应激颗粒中发生毒性聚集,从而促进多物种的长寿。该机制涉及RNASEK与热休克蛋白90(HSP90)的协同作用,其在衰老过程中的表达下调是circRNA毒性积累的核心原因。这证实了RNASEK是高度保守的衰老调节因子,为开发靶向circRNA以减轻年龄相关疾病的干预策略提供了全新靶点。
🔗:https://www.cell.com/cell/fulltext/S0092-8674(26)00000-0

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