1)南华大学药学院药理学教研室,衡阳 421001;2)湖南环境生物职业技术学院,衡阳 421001
国家自然科学基金(82173813),湖南省自然科学基金(2024JJ5346,2024JJ7432),郴州国家可持续发展议程创新示范区建设专项(2023sfq05),国家卫生健康委能力建设和继续教育中心慢病管理研究项目(GWJJMB202510021162),中国博士后科学基金(2023M741607)和南华大学博士科研启动金(5525QD034)资助。
1)Department of Pharmacology, School of Pharmacy, University of South China, Hengyang 421001, China;2)Hunan Polytechnic of Environment and Biology, Hengyang 421001, China
This work was supported by grants from The National Natural Science Foundation of China (82173813), the Provincial Natural Science Foundation of Hunan (2024JJ5346, 2024JJ7432), Chenzhou National Sustainable Development Agenda Innovation Demonstration Areas Construction Provincial Special Funding (2023sfq05), Chronic Disease Management Research Project of National Health Commission Capacity Building and Continuing Education Center (GWJJMB202510021162), China Postdoctoral Science Foundation (2023M741607), and Scientific Research Foundation for PhD, University of South China (5525QD034).
禁食等饮食干预策略在抗肿瘤治疗中的协同效应正受到越来越多的关注,但其背后的具体作用机制尚未得到充分阐明。近期研究揭示了一种被称为“线粒体氧化膜裂解死亡”的全新细胞死亡模式,这为理解禁食干预肿瘤治疗提供了新的分子机制视角。线粒体氧化膜裂解死亡主要由代谢紊乱与先天免疫激活协同触发,其核心机制在于哺乳动物雷帕霉素靶蛋白复合物2(mTORC2)信号通路介导受损线粒体与质膜形成长时间的异常接触,导致局部活性氧类(ROS)的大量释放并进一步引发质膜的脂质过氧化,最终导致细胞物理性裂解死亡。这种死亡方式与经典的凋亡、焦亡、坏死性凋亡和铁死亡最大的区别在于其不依赖于胱天蛋白酶(caspase)或消皮素D(GSDMD)。本述评旨在系统阐述线粒体氧化膜裂解死亡的发生过程、分子机制以及与其他经典死亡方式的区别,并深入探讨其在肿瘤性疾病中的临床转化潜力。在肿瘤性疾病中,靶向诱导线粒体氧化膜裂解死亡可以提升现有抗肿瘤药物的疗效并克服其化疗耐药,但在临床应用中需进一步优化禁食等干预方案,以在安全性与治疗效果之间取得最佳平衡。
Dietary interventions such as fasting are gaining increasing attention for their synergistic effects in anti-tumor therapy, yet the precise underlying mechanisms remain incompletely understood. Recent research has unveiled a novel mode of cell death named “mitoxyperilysis”, providing a fresh perspective on the molecular mechanisms by which fasting may interfere with tumor treatment. This form of death is primarily triggered by the synergy between metabolic dysfunction and innate immune activation. Its mechanism involves the mTORC2 signaling pathway mediating prolonged abnormal contact between damaged mitochondria and the plasma membrane. This leads to massive local release of reactive oxygen species (ROS), which further induces lipid peroxidation of the plasma membrane, ultimately resulting in the physical rupture and death of the cell. The most significant distinction between mitoxyperilysis and classical cell death pathways lies in its independence from caspases and GSDMD. This comment aims to systematically elucidate the process, molecular mechanisms, and differences from other classical cell death pathways of mitoxyperilysis, while also exploring its potential for clinical translation in oncological diseases. Targeting induction of mitoxyperilysis may enhance the efficacy of existing anti-tumor drugs and overcome chemotherapy resistance. However, intervention protocols require further optimization to achieve an optimal balance between safety and therapeutic effectiveness in clinical application.
王仪,陈哲,李新,陈临溪.线粒体氧化膜裂解死亡——连接饮食干预和先天免疫激活的新型细胞死亡途径[J].生物化学与生物物理进展,2026,53(3):783-788 WANG Yi, CHEN Zhe, LI Xin, CHEN Lin-Xi. Mitoxyperilysis——a Novel Pathway of Cell Death Connecting Dietary Interventions and Innate Immune Activation[J]. Progress in Biochemistry and Biophysics,2026,53(3):783-788
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