肥胖分布和12种与肥胖有关的癌症的风险:孟德尔的随机化分析
Emma Hazelwood1,2, Lucy J Goudswaard1,2, Matthew A Lee3
1MRC Integrative Epidemiology Unit, University of Bristol, Bristol, United Kingdom.
Journal of the National Cancer Institute
|September 23, 2025
概括
肥胖分布影响癌症风险. 更高的腹部皮下脂肪组织 (ASAT) 增加了子宫内膜,肝脏和食道癌的风险,而腺骨脂肪组织 (GFAT) 可能会降低乳腺癌和脑膜瘤的风险.
科学领域:
- 遗传学 是一个遗传学.
- 流行病学 流行病学
- 在瘤学瘤学.
背景情况:
- 越来越多的证据将整体脂肪与癌症风险增加联系在一起.
- 脂肪分布在癌症发展中的具体作用尚不清楚.
研究的目的:
- 使用孟德尔随机化研究五个主要脂肪分布特征与12种与肥胖有关的癌症的风险之间的因果关系.
- 阐明脂肪分布对各种癌症类型的影响差异.
主要方法:
- 采用了双样本的孟德尔随机化 (MR) 方法.
- 分析了五种脂肪分布特征:腹部皮下脂肪组织 (ASAT),内脏脂肪组织 (VAT),关骨脂肪组织 (GFAT),肝脂肪和胰腺脂肪.
- 评估了与12种与肥胖相关的癌症的关联,包括子宫内膜,肝脏,食道腺癌,乳腺癌和脑膜瘤.
主要成果:
- 较高的基因预测ASAT与子宫内膜,肝脏和食道腺癌的风险增加有关.
- 基因预测的较高的腺脂肪组织 (GFAT) 与乳腺癌和脑膜瘤风险降低有关.
- 基因预测的内脏脂肪组织 (VAT) 和肝脂肪的增加与肝癌风险的增加有关.
结论:
- 除了整体体脂肪之外,肥胖的分布显著影响了特定癌症的风险.
- 准脂肪组织分布可能为癌症预防提供新的策略,补充体重管理工作.
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