JCEM:2型糖尿病发生发展的因果关联

2018-12-20 xing.T MedSci原创

由此可见,BMI、葡萄糖水平、HOMA2-IR和HOMA2-β与T2D之间存在因果关系。

研究人员观察到肥胖、葡萄糖、胰岛素抵抗(HOMA2-IR)和胰岛素分泌(HOMA2-β)与2型糖尿病(T2D)相关。然而,每个参数对这种风险的因果遗传贡献在很大程度上是未知的,但是对研究来说很重要,因为观察数据容易产生混淆,而遗传因果数据没有混淆和反向因果关系。近日,内分泌和代谢性疾病领域权威杂志Journal of Clinical Endocrinology & Metabolism上发表了一篇研究文章,研究人员评估了哥本哈根一般人群研究中95540名受试者体重指数(BMI)、葡萄糖水平、C肽水平、HOMA2-IR和HOMA2-β对T2D风险的因果遗传贡献,并估计了绝对的10年风险。

研究人员进行了Cox回归分析、工具变量分析和泊松回归分析以估计观察风险比、因果、遗传比值比和T2D的绝对10年风险。

对于每个指标水平增加1个标准差,BMI与T2D的观察性风险增加66%(62%-72%)以及因果遗传性风险增加121%(25%-291%)相关;葡萄糖与T2D的观察性风险增加44%(41%-46%)以及因果遗传性风险增加183%(56%-416%)有关;而HOMA2-IR与T2D的观察性风险增加30%(18%-44%)以及因果遗传性风险增加12%(2%-22%)相关。相反,对于以下指标每增加1个标准差的水平,HOMA2-β与T2D的观察性风险降低14%(11%-16%)以及因果遗传性风险降低21%(8%-32%)相关。HOMA2-IR的上三分位数与肥胖女性和男性的绝对10年糖尿病风险相关,分别为31%和37%,并且这些患者年龄大于60岁,葡萄糖水平在6.1-11.0 mmol/L之间。

由此可见,BMI、葡萄糖水平、HOMA2-IR和HOMA2-β与T2D之间存在因果关系。

原始出处:

Sarah C W Marott,et al.Causal associations in type 2 diabetes development.J Clin Endocrinol Metab. 2018. https://doi.org/10.1210/jc.2018-01648

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    2019-02-04 smallant2015
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    2018-12-21 misszhang

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