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• W1551113630 endingPage "832" @default.
• W1551113630 startingPage "819" @default.
• W1551113630 abstract "Abstract Bioactive molecules and stem cell-based regenerative engineering is emerging a promising approach for regenerating tissues. Autotaxin (ATX) is a key enzyme that regulates lysophosphatidic acid (LPA) levels in biological fluids, which exerts a wide range of cellular functions. However, the biological role of ATX in human umbilical cord blood-derived mesenchymal stem cells (hMSCs) migration remains to be fully elucidated. In this study, we observed that hMSCs, which were stimulated with LPA, accelerated wound healing, and LPA increased the migration of hMSCs into a wound site in a mouse skin wound healing model. In an experiment to investigate the effect of LPA on hMSC migration, ATX and LPA increased hMSC migration in a dose-dependent manner, and LPA receptor 1/3 siRNA transfections inhibited the ATX-induced cell migration. Furthermore, LPA increased Ca2+ influx and PKC phosphorylation, which were blocked by Gαi and Gαq knockdown as well as by Ptx pretreatment. LPA increased GSK3β phosphorylation and β-catenin activation. LPA induced the cytosol to nuclear translocation of β-catenin, which was inhibited by PKC inhibitors. LPA stimulated the binding of β-catenin on the E-box located in the promoter of the CDH-1 gene and decreased CDH-1 promoter activity. In addition, the ATX and LPA-induced increase in hMSC migration was blocked by β-catenin siRNA transfection. LPA-induced PKC phosphorylation is also involved in Rac1 and CDC42 activation, and Rac1 and CDC42 knockdown abolished LPA-induced F-actin reorganization. In conclusion, ATX/LPA stimulates the migration of hMSCs through LPAR1/3-dependent E-cadherin reduction and cytoskeletal rearrangement via PKC/GSK3β/β-catenin and PKC/Rho GTPase pathways. Stem Cells 2015;33:819–832" @default.
• W1551113630 created "2016-06-24" @default.
• W1551113630 creator A5060826733 @default.
• W1551113630 creator A5088229898 @default.
• W1551113630 date "2015-02-17" @default.
• W1551113630 modified "2023-10-05" @default.
• W1551113630 title "Autotaxin-LPA Axis Regulates hMSC Migration by Adherent Junction Disruption and Cytoskeletal Rearrangement Via LPAR1/3-Dependent PKC/GSK3β/β-Catenin and PKC/Rho GTPase Pathways" @default.
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• W1551113630 doi "https://doi.org/10.1002/stem.1882" @default.
• W1551113630 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/25376707" @default.
• W1551113630 hasPublicationYear "2015" @default.
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• W1551113630 citedByCount "31" @default.

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