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首页> 外文期刊>Journal of International Medical Research >Adiponectin receptor 1-mediated micro RNA-323-3p regulates functions of the MIN6 cell line via the AMP-activated protein kinase/sirtuin-1 pathway
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Adiponectin receptor 1-mediated micro RNA-323-3p regulates functions of the MIN6 cell line via the AMP-activated protein kinase/sirtuin-1 pathway

机译:脂联素受体1介导的微小RNA-323-3p通过AMP激活的蛋白激酶/ sirtuin-1途径调节MIN6细胞系的功能

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Background The development of an effective treatment for type 2 diabetes mellitus is urgently needed. This study aimed to investigate the role of micro RNA (miR)-323-3p in regulating the expression of adiponectin receptor 1 (AdipoR1), as well as the insulin secretion and cell function of pancreatic MIN6 β-cells. Methods MIN6 cells were treated with miR-323-3p mimics or inhibitors, and the effects on cell growth, proliferation, mitosis, and insulin secretion were studied. The expression levels of sirtuin-1 (SIRT-1) and AMP-activated protein kinase (AMPK) genes were also assessed. Results miR-323-3p directly targeted AdipoR1, and suppressed its expression at mRNA and protein levels. It also regulated the protein expression of SIRT-1 and AMPK, which are downstream target genes of the AdipoR1 signaling pathway. miR-323-3p suppressed cell growth, proliferation, mitosis, and insulin secretion of MIN6 cells. Conclusions miR-323-3p appears to be a crucial diabetes factor that mediates its functions by inhibiting the AdipoR1/AMPK/SIRT-1 signaling pathway. Our findings suggest that targeting AdipoR1 with inhibitors of miR-323-3p is a potential approach to improve the function of islet cells.
机译:背景技术迫切需要开发一种有效的2型糖尿病治疗方法。这项研究旨在研究微小RNA(miR)-323-3p在调节脂联素受体1(AdipoR1)的表达以及胰腺MIN6β细胞的胰岛素分泌和细胞功能中的作用。方法用miR-323-3p模拟物或抑制剂处理MIN6细胞,研究其对细胞生长,增殖,有丝分裂和胰岛素分泌的影响。还评估了sirtuin-1(SIRT-1)和AMP激活的蛋白激酶(AMPK)基因的表达水平。结果miR-323-3p直接靶向AdipoR1,并抑制了其在mRNA和蛋白质水平上的表达。它还调节SIRT-1和AMPK的蛋白质表达,它们是AdipoR1信号通路的下游靶基因。 miR-323-3p抑制MIN6细胞的细胞生长,增殖,有丝分裂和胰岛素分泌。结论miR-323-3p似乎是通过抑制AdipoR1 / AMPK / SIRT-1信号传导途径来介导其功能的重要糖尿病因子。我们的发现表明,用miR-323-3p抑制剂靶向AdipoR1是改善胰岛细胞功能的潜在方法。

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