J Cell Biochem:高糖条件下胰岛素如何促进伤口愈合

2019-11-28 不详 网络

伤口愈合是骨骼发育的复杂过程。本研究旨在探索胰岛素促进伤口愈合的分子机制。首先,诱导急性人单核细胞白血病细胞系分化为巨噬细胞。其次,将牙龈卟啉单胞菌与分化的巨噬细胞混合。第三,不同浓度的胰岛素(0 ng / mL,5 ng / mL,50 ng / mL,100 ng / mL,200 ng / mL,500 ng / mL和1,000 ng / mL)对吞噬作用的影响。研究了巨噬细胞和活性氧的产

伤口愈合是骨骼发育的复杂过程。本研究旨在探索胰岛素促进伤口愈合的分子机制。

首先,诱导急性人单核细胞白血病细胞系分化为巨噬细胞。其次,将牙龈卟啉单胞菌与分化的巨噬细胞混合。第三,不同浓度的胰岛素(0 ng / mL,5 ng / mL,50 ng / mL,100 ng / mL,200 ng / mL,500 ng / mL和1,000 ng / mL)对吞噬作用的影响。研究了巨噬细胞和活性氧的产生。根据这些实验,使用最佳胰岛素浓度在不同时间点(0小时和0.5小时)处理巨噬细胞,以鉴定差异表达的mRNA。最后,进行了功能分析,包括基因本体论(GO)和《京都基因与基因组百科全书》(KEGG)和蛋白质-蛋白质相互作用(PPI)分析,以探索这些差异表达的mRNA的生物学功能。

吞噬功能和活性氧产生结果表明,200μng/ mL胰岛素处理对活性氧的抗菌和产生有显著影响。在RNA测序中,在不同时间点之间共鉴定了415个差异表达的mRNA(245个上调和170个下调)。在KEGG富集分析中发现了两个重要的信号通路,包括胞吞作用和系统性红斑狼疮。在PPI网络中,鉴定了由差异表达的mRNA编码的几种毂蛋白,包括ALB,HIP1R,RAB5A,HIST1H2BJ,HIST1H3G和HIST1H2BO。

综上所述,该研究结果证明了几种差异表达的mRNA,例如EGR1,RAB34,ALB,HIP1R,RAB5A,HIST1H2BJ,HIST1H3G和HIST1H2BO,以及两个重要的信号通路,包括内吞作用和系统性红斑狼疮可能在骨伤口愈合中发挥重要作用。

原始出处:

Wang L, Yang B, et al., The molecular mechanism study of insulin in promoting wound healing under high-glucose conditions. J Cell Biochem. 2019 Sep;120(9):16244-16253. doi: 10.1002/jcb.28905. Epub 2019 May 12.

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    2020-07-30 维他命
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    2020-09-16 baoya
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    2020-04-20 sunylz
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