叉头盒M1调解了人类结肠直肠癌细胞中的代谢重编程
Po-Chen Li1, Sheng-Yu Dai1, Yu-Shun Lin1
1Department of Nutrition, China Medical University, Taichung, Taiwan.
概括
叉头盒M1 (FOXM1) 通过调节糖解和脂肪酸合成来驱动结肠直肠癌 (CRC) 的代谢重编程. 这影响了细胞生长和患者存活率,突出了FOXM1作为CRC的潜在治疗点.
科学领域:
- 癌症生物学 癌症生物学
- 分子瘤学分子瘤学
- 代谢途径 代谢途径
背景情况:
- 代谢重编程,包括改变的葡萄糖分解和脂肪酸合成,是癌症的标志.
- 叉头盒M1 (FOXM1) 与癌症发展有关,但其在结直肠癌 (CRC) 代谢重编程中的作用尚不清楚.
- 了解FOXM1在CRC的华堡效应和脂质生成中的作用对于向治疗至关重要.
研究的目的:
- 调查FOXM1在调节结直肠癌中糖解和脂肪酸生物合成中的作用.
- 确定FOXM1表达,基因标和CRC患者生存预后之间的相关性.
- 阐明FOXM1影响CRC细胞代谢和生长的分子机制.
主要方法:
- 癌症基因组图谱 (TCGA) COADREAD数据集对基因表达和生存相关性的分析.
- 使用了人类CRC细胞系 (HT29,HCT116) 与RNAi或等离子体转染.
- 进行了定量实时PCR,Western blot,代谢测试,葡萄糖吸收,Oil Red O染色和细胞活力测试.
主要成果:
- 较高的FOXM1表达与较差的CRC患者存活率相关.
- 福克斯M1与糖溶解基因 (SLC2A1,LDHA) 和脂肪酸合成基因 (ACACA,FASN) 和MYC.正相关.
- 福克斯M1调节的AKT/mTOR信号传递,c-Myc表达,糖解/脂肪酸生物合成蛋白,葡萄糖吸收和细胞外酸化率.
结论:
- 在结直肠癌中,FOXM1是糖解和脂肪酸生物合成的关键调节剂.
- FOXM1影响CRC细胞生长和能量代谢,影响患者的预后.
- 在代谢重编程中FOXM1的调节作用为CRC治疗提供了潜在的治疗点.
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