通过lncRNA ROLLCSC进行内微环境重塑,增强了肺腺癌的进展
Yu-Han Zhang1,2,3, Jia-Cheng Xie3, Ting Ye4
1Chongqing Key Laboratory of Human Embryo Engineering and Precision Medicine, NHC Key Laboratory of Birth Defects and Reproductive Health, Center for Reproductive Medicine, Chongqing Health Center for Women and Children, Women and Children's Hospital of Chongqing Medical University, Chongqing 400016, China.
Genes & diseases
|February 20, 2026
概括
肺腺癌干细胞释放含有lncRNA ROLLCSC的细胞外囊泡,通过改变脂质代谢来增强癌细胞铁灭的抵抗力. 这一发现为肺癌进展和潜在的治疗点提供了新的见解.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 癌症新陈代谢 癌症新陈代谢
背景情况:
- 代谢重编程是癌症的标志,特别是在肺癌中,涉及与ferroptosis相关的脂质代谢.
- 癌症干细胞 (CSC) 影响瘤微环境 (TME),但它们在肺腺癌 (LUAD) 代谢重编程中的作用尚不清楚.
研究的目的:
- 研究来自LUAD干细胞的细胞外囊 (EV) 衍生长非编码RNAs (lncRNAs) 在调节TME和代谢重编程中的作用.
- 阐明 lncRNA ROLLCSC 如何影响 LUAD 细胞中的脂质代谢和铁亡抵抗的机制.
主要方法:
- RNA测序 (RNA-seq) 是指RNA的测序.
- 蛋白质组学是指蛋白质组学.
- RNA拉下测试试验中的RNA.
- 聚合酶连锁反应 (PCR) 是一种
- 分子生物学实验分子生物学实验
主要成果:
- 从LUAD CSC衍生的EV中识别的lncRNA ROLLCSC调节了TME.
- 发现ROLLCSC与CDC42相互作用,通过FTO介导的脱甲基化和IGF2BP2识别促进EV吸收和稳定.
- 已证明,ROLLCSC通过向ACSL4和Slc25a11来重塑受体肺癌细胞 (LLC) 的脂质代谢,从而增强铁灭症的抵抗力.
结论:
- 来自CSC的EVs的lncRNA ROLLCSC被有效地运送到LUAD细胞,重编程它们的脂质代谢并增加铁灭症抵抗力.
- ROLLCSC及其点显示出明显的瘤表达模式,并且在LUAD中具有预后意义.
- 这项研究揭示了在LUAD进展中细胞间通信和代谢调节的新机制.
相关概念视频
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02:07Tumor Progression
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
02:17The Tumor Microenvironment
Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...