在体外证据和综合生物信息学确定SGLT2-PPARγ轴作为针对结直肠癌细胞中聚乙烯微塑料驱动的代谢重编程的目标
Isabella Donisi1, Celestino Sardu2,3, Antonino Colloca1
1Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. De Crecchio 7, 80138, Naples, Italy.
Journal of translational medicine
|February 3, 2026
概括
聚乙烯微塑料通过增加增殖和改变新陈代谢,恶化结直肠癌 (CRC) 的生长. 针对SGLT2的治疗或涉及玛-丁和L-卡尼丁的治疗显示出减轻这些有害影响的希望.
科学领域:
- 环境健康 环境健康
- 在瘤学瘤学.
- 代谢学 代谢学 代谢学
背景情况:
- 微塑料 (MP) 构成越来越大的健康风险,慢性暴露与炎症,代谢干扰和癌症有关.
- 国会议员可以进入结直肠癌 (CRC) 细胞,影响转移,化学抵抗,氧化应激和新陈代谢.
- MP对CRC进展和代谢的影响的精确分子机制尚未完全理解.
研究的目的:
- 研究聚乙烯 (PE) 微塑料对结直肠癌 (CRC) 细胞进展和新陈代谢的影响.
- 评估SGLT2抑制剂卡纳格利弗洛辛 (iSGLT2),γ-丁 (γBB) 和L-卡尼丁 (Cnt) 在抵消PE诱导的CRC变化的潜力.
主要方法:
- 暴露HT-29和HCT 116CRC细胞在PE微塑料中.
- 使用CCK-8,ELISA和海马生物分析仪评估细胞活力,代谢特征和瘤性质.
- 通过免疫阻塞,流细胞计和生物信息分析来研究iSGLT2,γBB和Cnt的调节作用.
主要成果:
- 暴露于PE显著增强了CRC细胞的增殖,炎症,血管生成和入侵.
- PE增加了细胞糖解和线粒体呼吸,上调SIRT1和SGLT2的表达.
- iSGLT2,以及PE与γBB和Cnt的组合,抵消了PE的促癌作用,促进了ferroptotic细胞死亡,并表明PPARγ是常见的分子标.
结论:
- 聚乙烯微塑料通过代谢变化对CRC进展产生不利影响.
- 抑制SGLT2和特定的饮食生物活性化合物显示出减轻微塑料诱导的CRC的潜力.
- 研究结果强调了CRC中环境污染物,代谢调节剂和饮食因素之间的相互作用,为整合性治疗策略铺平了道路.
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