Rewiring cancer cell death: LPCAT1 shapes lipid composition and ferroptosis resistance

IF 13.7 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Cell Death and Differentiation Pub Date : 2024-08-13 DOI:10.1038/s41418-024-01364-9
Hyemin Lee, Li Zhuang, Boyi Gan
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重构癌细胞死亡:LPCAT1 塑造脂质组成和铁中毒抗性
诱导铁氧化疗法已成为一种很有前景的癌症治疗策略,尤其适用于对诱导细胞凋亡等传统细胞死亡疗法产生抗药性的肿瘤[1]。从机理上讲,正常的新陈代谢活动会在细胞膜上产生磷脂过氧化物,如果不加以控制,就会损害膜的完整性并诱导铁凋亡细胞死亡 [2,3]。因此,调节细胞脂质组成以控制易发生过氧化反应的磷脂水平,对于确定细胞对铁中毒的易感性至关重要。最近,Li 等人在《自然-细胞生物学》(Nature Cell Biology)杂志上发表的一项研究发现,溶血磷脂酰基胆碱酰基转移酶 1(LPCAT1)是通过 Lands 循环提高膜磷脂饱和度来驱动铁中毒抗性的关键因素 [4]。他们进一步发现,在临床前模型中,抑制 LPCAT1 与诱导铁蛋白沉积的诱导剂联合使用可协同触发铁蛋白沉积并抑制肿瘤生长,这突出表明 LPCAT1 是诱导铁蛋白沉积疗法在癌症治疗中的一个有价值的靶点 [4]。磷脂是这些膜的主要结构元素,由甘油骨架和位于 sn-3 位的极性头基以及位于 sn-1 和 sn-2 位的两条脂肪酸链组成。通常,位于 sn-1 位的脂肪酸是饱和脂肪酸(SFA,缺乏双键)或单不饱和脂肪酸(MUFA,含有一个双键),而位于 sn-2 位的脂肪酸可以是 SFA、MUFA 或多不饱和脂肪酸(PUFA,含有多个双键)[5]。
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来源期刊
Cell Death and Differentiation
Cell Death and Differentiation 生物-生化与分子生物学
CiteScore
24.70
自引率
1.60%
发文量
181
审稿时长
3 months
期刊介绍: Mission, vision and values of Cell Death & Differentiation: To devote itself to scientific excellence in the field of cell biology, molecular biology, and biochemistry of cell death and disease. To provide a unified forum for scientists and clinical researchers It is committed to the rapid publication of high quality original papers relating to these subjects, together with topical, usually solicited, reviews, meeting reports, editorial correspondence and occasional commentaries on controversial and scientifically informative issues.
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