准脂肪酸重编程抑制CARM1表达性卵巢癌
Simona Lombardi1,2, Aaron R Goldman3, Hsin-Yao Tang3
1Immunology, Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, Pennsylvania.
Cancer research communications
|June 28, 2023
概括
氨基甲基转移酶CARM1通过重编程脂肪酸合成驱动卵巢癌. 抑制stearoyl-CoA脱酶1 (SCD1) 为表达CARM1的瘤提供了向治疗.
科学领域:
- 在瘤学瘤学.
- 生物化学 生物化学
- 代谢途径 代谢途径
背景情况:
- 氨基甲基转移酶CARM1在人类癌症中高度表达,包括卵巢癌.
- 针对CARM1过度表达瘤的治疗策略尚未得到充分研究.
- 癌细胞利用代谢重编程,特别是脂肪酸代谢,以求生存.
研究的目的:
- 研究CARM1在卵巢癌代谢中的作用.
- 探索脂肪酸重编程作为CARM1-表达卵巢癌中的代谢脆弱性.
- 评估向CARM1-介导的代谢变化的治疗潜力.
主要方法:
- 在卵巢癌中对CARM1表达的分析.
- 研究CARM1对参与新脂肪酸合成 (ACC1,FASN) 和单不和脂肪酸生产 (SCD1) 的基因的调节.
- 在卵巢癌细胞系和小鼠模型中抑制SCD1 (正位异种移植和异种移植).
- 对细胞生长和瘤疗效的评估与CARM1状态和脂肪酸补充相关.
主要成果:
- 通过调节ACC1,FASN和SCD1.1,CARM1促进新的脂肪酸合成和单不和脂肪酸的产生.
- 抑制SCD1以CARM1依赖的方式抑制了卵巢癌细胞的生长,单不和脂肪酸拯救了效果.
- 表达CARM1的细胞对和脂肪酸的耐受性增加.
- 药理上抑制SCD1在临床前卵巢癌模型中表现出有效性,这取决于CARM1的表达.
结论:
- CARM1通过转录重新编程脂肪酸代谢,通过促进单不和脂肪酸合成来支持卵巢癌的生长.
- 通过药理抑制向SCD1是一种合理且有效的治疗策略,用于CARM1表达卵巢癌.
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