Diabetes Care: 补充氨基葡萄糖或可预防2型糖尿病发生

2020-03-17 idiabetes idiabetes

研究概要

研究概要

图兰大学肥胖研究中心主任Qi等人对来自英国生物银行的404 508例基线无糖尿病的成人进行了中位8.1年的随访,评估了2型糖尿病的发生情况。研究人员根据2006~2010年完成的调查问卷信息,将其分为氨基葡萄糖服用者(n=78 588,平均年龄58.6岁,女性63.1%)和非服用者(n=325 920,平均年龄55.1岁,女性53.6%)。

研究结果

在充分校正的模型中,服用氨基葡萄糖者较未服用者罹患2型糖尿病的风险降低20%(OR=0.81,95%CI:0.76~0.86)。此外,在CRP水平较高的受试者中,氨基葡萄糖的这种效应更为明显。

专家述评

美国犹他大学药学院Laura Shane-McWhorter教授指出,这项前瞻性队列观察性研究评估了2型糖尿病发生风险与氨基葡萄糖之间的相关性。其理论机制可能在于:炎症参与了2型糖尿病的发生,而氨基葡萄糖具有一定的抗炎作用。

研究人员进行了各种敏感性分析,发现氨基葡萄糖的使用与2型糖尿病的发病率呈负相关。研究优势包括大样本量、可靠的生物标志物检测和使用不同模型进行敏感性分析得出一致结果。

本研究的主要局限性在于观察性研究设计,因此无法准确地确定其因果关系。另外,许多涉及补充剂的研究都存在一个共同的问题,即没有对补充剂的配方、剂量或持续时间进行验证。此外,CRP水平与氨基葡萄糖之间的关系可能是偶然的。其次,氨基葡萄糖的使用可能是健康生活方式的一个方面。

总之,在这项研究中,氨基葡萄糖的使用与2型糖尿病风险减少相关。然而,必须进行随机对照试验予以确定这种关联的因果关系。

参考文献:Ma H, et al.Glucosamine Use, Inflammation, and Genetic Susceptibility, and Incidence of Type 2 Diabetes: A Prospective Study in UK Biobank. Diabetes Care. 2020;doi:10.2337/dc19-1836.

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