残留胆固醇与4种特定部位癌症的风险之间的关联:来自横截面和门德尔随机化研究的证据
Mengjie Li1, Qi Liu2, Ming Shi1
1School of Nursing, Zhejiang Chinese Medical University, Hangzhou, China.
Lipids in health and disease
|August 20, 2024
概括
这项研究在观察数据中发现了较高的残留胆固醇 (RC) 和乳腺癌风险增加之间的联系. 然而,门德尔的随机化分析没有证实RC和癌症风险之间的因果关系.
科学领域:
- 心血管流行病学心血管流行病学
- 在瘤学瘤学.
- 遗传流行病学遗传流行病学
背景情况:
- 新兴证据将残留胆固醇 (RC) 与癌症的发展,进展和预后联系起来.
- 血清RC水平与癌症风险之间的确切关联仍未得到充分研究.
- 这项研究研究了血清RC与四种特定癌症类型之间的关系.
研究的目的:
- 检查血清残留胆固醇 (RC) 水平与四种特定部位癌症的风险之间的关联.
- 采用双重方法,将观察分析和门德尔随机化 (MR) 结合起来,进行可靠的调查.
- 为了澄清RC在癌症病因学中的潜在因果作用.
主要方法:
- 利用了来自全国健康和营养检查调查 (NHANES) (1999-2020) 18,067名参与者的数据.
- 使用加权多变量逻辑回归和受限立方线回归 (RCS) 来评估关联和非线性关系.
- 进行单变量和多变量门德尔随机化 (MR) 分析,以及包括复制和元分析在内的灵敏度分析,以加强因果推理.
主要成果:
- 观察分析显示,较高的血清RC水平与乳腺癌风险增加之间存在显著的关联 (Q3与Q1:OR=1.71).
- 在RC和乳腺癌风险之间观察到非线性,反转的L形关联.
- 初级MR分析表明,乳腺癌和结直肠癌的潜在风险增加,RC更高,但复制和元分析没有支持任何四种癌症类型的显著因果关系.
结论:
- 在残留胆固醇和乳腺癌风险之间确定了横截面的非线性关系.
- 门德尔的随机化分析没有提供确的证据证明残留胆固醇与乳腺,肺部,结肠直肠或前列腺癌的风险之间存在因果关系.
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