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通过诱导cuprotosis,FDX1可以抑制甲状腺癌的恶性进展
Gaoxiang Chen1, Jianan Zhang1, Weifeng Teng1
1Department of Thyroid and Breast Surgery, Ningbo Medical Center Lihuili Hospital, No.57 XingNing Road, Ningbo, Zhejiang Province, China.
由FDX1调节的细胞死亡途径cuprotosis在甲状腺癌中受损. 通过FDX1恢复cuprotosis通过影响脂化抑制瘤生长.
科学领域:
- 细胞生物学 细胞生物学
- 分子瘤学分子瘤学
- 生物化学 生物化学
背景情况:
- 铜是一种新的细胞死亡途径,由铜积累驱动,并由FDX1.1调节.
- 甲状腺癌是一个重要的全球健康问题,正在研究新的治疗点.
- 在甲状腺癌的发病过程中,cuprotosis和FDX1的特定作用仍然在很大程度上未被探索.
研究的目的:
- 研究 cuprotosis 和关键调节基因 FDX1 在甲状腺癌发展中的功能.
- 为了确定甲状腺瘤组织中FDX1表达是否发生变化.
- 为了评估诱导甲状腺癌中cuprotosis的治疗潜力.
主要方法:
- 在临床甲状腺瘤和非瘤样本中分析FDX1表达.
- 在体外和体内实验中,使用用elesclomol (ES) 诱导cuprotosis的甲状腺癌细胞系进行治疗.
- 在甲状腺癌细胞中对FDX1水平的基因操纵 (敲击).
- 评估细胞内铜含量,FDX1表达,DLAT和DLST的脂化以及pyruvate (PA) 和alpha-ketoglutarate (α-KG) 的含量.
主要成果:
- 与非瘤组织相比,甲状腺瘤组织中的FDX1表达显着较低.
- 埃莱斯克洛莫尔诱导的杯抑制了甲状腺癌细胞的生长,无论是体外还是体内.
- Cuprotosis 诱导增加了细胞内铜和 FDX1 表达,而 FDX1 枯竭逆转了这些效应.
- 由于FDX1 knockdown降低了DLAT/DLST的脂化,缓解了质炎诱导的细胞死亡,并增加了PA和α-KG水平.
结论:
- 甲状腺癌细胞中的FDX1在促进甲状腺癌细胞的形中起着至关重要的作用.
- FDX1通过调节DLAT的脂肪化来调节甲状腺癌细胞死亡.
- 通过FDX1调制向cuprotosis代表了对甲状腺癌的潜在治疗策略.
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