葡萄糖运输体GLUT12是肥胖和癌症的新参与者
Miguel Burgos1,2, Eva Gil-Iturbe1,3, Adrián Idoate-Bayón1
1Center for Nutrition Research and Department of Nutrition, Food Science and Physiology; School of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain.
肥胖和癌症涉及改变的新陈代谢. 对于胰岛素敏感性至关重要的葡萄糖转运体GLUT12在肥胖中失调,但在瘤中过度表达,提供了潜在的治疗标.
科学领域:
- 代谢调节 代谢调节 代谢调节
- 癌症生物学 癌症生物学
- 内分泌学 在内分泌学.
背景情况:
- 肥胖是一种全球性流行病,与2型糖尿病,心血管疾病和癌症有关.
- 肥胖的代谢变化包括胰岛素耐药性,高血糖症,失脂症和炎症,促进瘤的攻击性微环境.
- 癌细胞表现出代谢重编程,转向有氧糖解 (华堡效应) 以快速产生ATP,通过GLUT/SLC2转运体增加葡萄糖的吸收.
研究的目的:
- 审查GLUT12的生理作用.
- 探索GLUT12对肥胖和癌症的影响.
- 确定GLUT12作为潜在的治疗点.
主要方法:
- 对GLUT12研究的文献综述.
- 在肥胖和癌症模型中分析GLUT12表达和功能.
- 检查GLUT12在细胞代谢和瘤进展中的作用.
主要成果:
- GLUT12是一种对胰岛素有反应的葡萄糖载体,在脂肪组织,骨肌肉和小肠中表达.
- 在肥胖症中,GLUT12是下调的,对胰岛素没有反应.
- GLUT12在各种人类固体瘤 (乳腺,前列腺,胃,肝脏,结肠) 中过度表达,并因高葡萄糖,胰岛素和缺氧而升高调节.
- 抑制GLUT12通过影响华堡效应来抑制瘤细胞的增殖,迁移,入侵和异种移植瘤的生长.
结论:
- GLUT12在葡萄糖平衡中起着重要作用,并与肥胖和癌症的发病有关.
- 肥胖中GLUT12的调节失调和癌症中的过度表达突出了其关键功能.
- 准GLUT12为肥胖和癌症治疗提供了一个有前途的治疗策略.
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