基因预测的出生体重和生命过程BMI与甲状腺功能和疾病没有因果关系
Xiaoqin Zhou1,2,3, Weiqiang Ruan4, Jing Li2
1Division of Thyroid Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
Obesity (Silver Spring, Md.)
|July 2, 2024
概括
这项研究发现出生体重或BMI与大多数甲状腺疾病之间没有因果关系. 然而,成人BMI可能会对甲状腺癌风险产生因果关系,这表明体重增加可能是甲状腺癌的结果.
科学领域:
- 内分泌学和新陈代谢学
- 遗传学和流行病学
背景情况:
- 观察性研究表明出生体重,BMI和甲状腺功能/疾病之间存在联系.
- 由于传统流行病学研究中的混,因果关系尚不清楚.
研究的目的:
- 研究基因预测出生体重,儿童BMI和成人BMI与甲状腺结果之间的因果关系.
- 对成人BMI和甲状腺结果进行逆门德尔随机化 (MR) 分析.
主要方法:
- 两个样本的门德尔随机化 (MR) 研究设计.
- 利用大规模的全基因组关联研究元分析,主要是欧洲血统.
- 检查了基因预测的出生体重,儿童BMI,成年BMI和甲状腺结果 (TSH,甲状腺功能低下,甲状腺功能过高,自身免疫性甲状腺疾病,甲状腺癌).
主要成果:
- 没有证据表明出生体重或BMI (儿童/成年) 与TSH水平,甲状腺功能低下,甲状腺功能过高或自身免疫性甲状腺疾病之间存在因果关系.
- 在增加成人BMI和甲状腺癌 (β=0.010,P=5.21×10−6) 之间发现了显著的因果关系.
- 反向MR建议甲状腺癌可能与体重增加有关.
结论:
- 门德尔的随机分析没有确定出生体重,儿童BMI或成年BMI与大多数甲状腺疾病之间的因果关系.
- 有证据表明,成人BMI在甲状腺癌的发展中可能起因作用.
- 研究结果强调了体重和甲状腺健康之间的复杂相互作用,甲状腺癌可能会影响体重.
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