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Diabetologia:循环代谢物在胰岛自身免疫和1型糖尿病进展中的作用?

2019-12-28 MedSci MedSci原创

研究表明,代谢失调可能先于1型糖尿病。然而,关于这些代谢紊乱及其在疾病发生中的具体作用仍知之甚少。在这项研究中,研究人员对进展为1型糖尿病的儿童是否有一个循环极性代谢物谱进行了研究,从而区分不同于后来进展为胰岛自身免疫而不是1型糖尿病儿童及匹配的对照组。

研究表明,代谢失调可能先于1糖尿病。然而,关于这些代谢紊乱及其在疾病发生中的具体作用仍知之甚少。在这项研究中,研究人员对进展为1糖尿病儿童是否有一个循环极性代谢物谱进行了研究,从而区分不同于后来进展为胰岛自身免疫而不是1糖尿病儿童及匹配的对照组。

研究人员分析了来自415个纵向血浆样本的极性代谢物,这些样本来自三个研究小组的前瞻性队列儿童:分别为那些发展为1型糖尿病的儿童;血清转化为一个胰岛自身抗体但未转化为1型糖尿病的患者和抗体阴性对照组。利用二维GC高速飞行时间MS测定代谢物。

在婴儿期早期,与对照组相比,1型糖尿病的进展与氨基酸、糖衍生物和脂肪酸(包括微生物源分解代谢产物)的下调有关。与对照组和血清转化为一个胰岛自身抗体的患者相比,在进展为1型糖尿病患者中蛋氨酸持续上调。胰岛自身抗体的出现与谷氨酸和天冬氨酸的减少有关。

研究结果表明,进展为1型糖尿病的儿童具有独特的代谢特征,然而,这种代谢特征会随着胰岛自身抗体的出现而改变。本研究的发现可能有助于疾病的早期预测。

原始出处:

Santosh LamichhaneEsko KemppainenCirculating metabolites in progression to islet autoimmunity and type 1 diabetes

本文系梅斯医学(MedSci)原创编译整理,转载需授权!

 


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    2019-12-30 baoya
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    2019-12-28 misszhang

    谢谢MedSci提供最新的资讯

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