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c‐Jun/AP‐1 transcription factor regulates laminin‐1‐induced neurite outgrowth in human bone marrow mesenchymal stem cells: Role of multiple signaling pathways

机译:c‐Jun / AP‐1转录因子调节人骨髓间充质干细胞中层粘连蛋白1诱导的神经突生长:多种信号通路的作用

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Inthisstudy,wedemonstratedthatlaminin‐1(LM‐1)inducesneuriteoutgrowthandenhancestheexpressionofneurofilament‐LandMAP2inhumanbonemarrowmesenchymalstemcells(MSCs).Thec‐JuntranscriptionfactorwasstronglyactivatedbyLM‐1duringneuriteinduction.Suppressionofc‐Juninhibitedtheexpressionofthec‐Juntargetgenesα6integrinandneurofilament‐L,resultinginthelossofneuriteoutgrowth.Additionally,wefoundthattheLM‐1‐α6integrininteractionstimulatedphosphorylationofFAK,leadingtotheactivationofJNKandAkt.Pharmacologicalinhibitionofthesepathwaysblockedc‐Junactivationandneuriteoutgrowth.Collectively,ourfindingssuggestthatc‐Jun/AP‐1activitymediatedbyJNK,PI3K/AktandERKpathwaysisrequiredforLM‐1‐inducedneuriteoutgrowthinhumanbonemarrowMSCs...
机译:Inthisstudy,wedemonstratedthatlaminin-1(LM-1)inducesneuriteoutgrowthandenhancestheexpressionofneurofilament-LandMAP2inhumanbonemarrowmesenchymalstemcells(MSCS).Thec-JuntranscriptionfactorwasstronglyactivatedbyLM-1duringneuriteinduction.Suppressionofc-Juninhibitedtheexpressionofthec-Juntargetgenesα6integrinandneurofilament-L,resultinginthelossofneuriteoutgrowth.Additionally,wefoundthattheLM -1-α6integrininteractionstimulatedphosphorylationofFAK,leadingtotheactivationofJNKandAkt.Pharmacologicalinhibitionofthesepathwaysblockedc-Junactivationandneuriteoutgrowth.Collectively,ourfindingssuggestthatc LM-1诱导的神经突突生长出人类骨骼肌MSC需要通过JNK,PI3K / Akt和ERK途径介导的‐Jun / AP-1活性...

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    《FEBS Letters》 |2011年第12期|共8页
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  • 中图分类 分子生物学;
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