尿酸与结肠癌风险之间的关系:剂量反应分析和机制
Teng-Fei Sun1,2, Ke-Xin Fan3, Yu-Xin Luo1
1Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, Shijiazhuang 050000, Hebei Province, China.
World journal of gastrointestinal oncology
|September 22, 2025
概括
尿酸 (UA) 可能通过减少细胞增殖和迁移来预防结肠癌. 这项研究发现UA水平与结肠癌风险之间存在反向关联,这表明潜在的保护作用.
科学领域:
- 在瘤学瘤学.
- 生物化学 生物化学
背景情况:
- 尿酸 (UA) 是一种抗氧化剂代谢物,在癌症中具有复杂的作用.
- 关于UA对结肠癌风险的影响的数据有限且不一致.
研究的目的:
- 调查尿酸水平与结肠癌风险之间的关联.
- 探索UA对结肠癌细胞影响的潜在机制.
主要方法:
- 后勤回归分析了UA水平和结肠癌风险,在非线性关系中限制了立方线.
- 在体外研究中,结肠癌细胞系暴露于UA,评估活力,迁移和途径调节 (PI3K/AKT/mTOR).
主要成果:
- 观察到UA和结肠癌风险之间的反向关联 (OR=0.65,P<0.05) 与非线性关系和4.79 mg/dL的切断值.
- 尿酸抑制了结肠癌细胞的增殖和迁移.
- 这些影响与活性氧物种 (ROS) 的增加和PI3K/AKT/mTOR信号的抑制有关.
结论:
- 尿酸表明对结肠癌有保护作用.
- UA通过ROS诱导和PI3K/AKT/mTOR通路调节来抑制癌细胞的增殖和迁移.
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