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Nat Commun.:2型糖尿病肌肉功能降低(少肌症)有关的基因被确认

2021-04-28 Viho MedSci原创

2型糖尿病患者的肌肉功能往往比其他人要差。

  2型糖尿病患者的肌肉功能往往比其他人要差。在2型糖尿病中,产生胰岛素的能力受到影响,患者的血糖长期升高,肌肉从食物中吸收的糖分的能力较差,2型糖尿病患者的肌肉功能和力量都受到损害。 近日,瑞典隆德大学的一个研究小组发现,在2型糖尿病患者中,一个特定的基因对肌肉干细胞创造新的成熟肌肉细胞的能力非常重要。该研究结果发表在《自然通讯》上。 在该项研究中,研究人员将2型糖尿病患者和正常人分为两组,在完全相同的条件下,提取了成熟的肌肉细胞并进行比较,同时比较了两组细胞分化前后的肌肉细胞的表观遗传模式。 分析总共鉴定了包括VPS39在内的20个基因,其基因表达在未成熟的肌肉干细胞和成熟的肌肉细胞中都有不同的组别。 研究分析发现,尽管两组的肌肉干细胞是在相同的条件下生长的,但2型糖尿病组在从肌肉干细胞向成熟肌肉细胞分化的过程中,表观遗传学变化是2型糖尿病组的两倍以上。肌肉特异性基因没有受到正常调节,表观遗传学在2型糖尿病患者的细胞中没有发挥同样的作用。 2型糖尿病患者与正常人成肌细胞和肌管的差异基因表达,并鉴定VPS 39是人类肌发生的调节因子 为了证实这一发现,研究人员还使用了VPS

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    2021-12-28 liye789132251
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    2022-01-07 liuli5079
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    2021-06-19 ms3000001194153612

    很有帮助

    0

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    2021-04-28 misszhang

    谢谢MedSci提供最新的资讯

    0

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