酒精消费和癌症风险:对四个生物库和联盟数据的孟德尔随机化分析
Susanna C Larsson1,2, Amy M Mason3,4, Héléne T Cronjé5
1Department of Surgical Sciences, Medical Epidemiology, Uppsala University, Uppsala, Sweden.
BMC medicine
|December 16, 2025
概括
这项研究发现了中度到微弱的证据,表明酒精消费可能会因果性地增加头部/部,食道和结肠直肠癌的风险. 然而,遗传数据并不支持酒精是所有癌症的原因,并表明与某些癌症类型的反向关联.
科学领域:
- 遗传学 是一个遗传学.
- 流行病学 流行病学
- 癌症研究 癌症研究
背景情况:
- 饮酒是众所周知的几种癌症的风险因素,包括乳腺癌,结肠直肠癌,肝癌和其他癌症.
- 之前关于酒精和癌症风险的孟德尔随机化研究已经产生了不一致的结果.
- 了解酒精与各种癌症类型之间的因果关系对于公共卫生指南至关重要.
研究的目的:
- 综合评估基因预测的酒精消费与20种不同类型癌症的风险之间的因果关系,使用孟德尔随机化.
- 提供强有力的遗传证据来支持或反驳酒精在癌症发展中的因果作用.
- 调查酒精消费与某些癌症之间的潜在反向关联.
主要方法:
- 利用孟德尔的随机化分析,对95种与饮酒相关的遗传变异进行了分析.
- 分析了来自欧洲大规模祖先队伍的数据:英国生物银行,FinnGen,我们所有人和百万退伍军人计划.
- 在癌症特定联盟中估计的关联,以增加统计能力和通用性.
主要成果:
- 在基因预测的酒精消费和整体癌症风险之间没有发现显著的关联.
- 中等到弱的证据支持酒精消费与头部/部,食道和结肠直肠癌之间的因果关系.
- 对脏,子宫内膜,非霍奇金淋巴瘤和骨髓瘤观察到反向关联,这表明酒精对这些癌症具有保护作用.
结论:
- 人类遗传数据提供了酒精消费对特定癌症的因果关系的证据,但并非所有癌症.
- 这些发现表明一种复杂的关系,对某些癌症类型有潜在的反向关联.
- 需要进一步的研究来澄清酒精在癌症病因学中的作用,考虑遗传和环境因素.
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