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中国博后一作Cell论文:发现全新细胞死亡方式——Mitoxyperilysis,由线粒体氧化驱动,可用于癌症治疗
生物世界· 2025-11-29 02:06
Core Insights - The study reveals that innate immune activation and metabolic disruption lead to a novel form of cell death called Mitoxyperilysis, which could have implications for cancer treatment [2][10]. Group 1: Mechanism of Cell Death - Innate immune activation and metabolic disruption cause long-term contact between mitochondria and cell membranes, resulting in localized membrane rupture due to reactive oxygen species (ROS) [2][7]. - This new cell death mechanism, Mitoxyperilysis, is distinct from previously known forms such as pyroptosis and necroptosis, indicating a unique pathway for cellular demise [7][10]. Group 2: Implications for Cancer Treatment - The combination of innate immune activation and fasting can promote tumor regression, suggesting a potential therapeutic strategy for cancer treatment [2][9]. - In experiments, tumors in fasting mice showed significant regression after the activation of innate immunity, highlighting the effectiveness of this combined approach [9][10]. Group 3: Molecular Regulation - The study identifies mTORC2 as a regulator of Mitoxyperilysis, where inhibiting mTOR can restore cytoskeletal activity and maintain cell membrane integrity, preventing cell rupture [8][10]. - Both innate immune and metabolic signals are crucial for this process, as knocking out innate immune receptors can halt this form of cell death [8][10].