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GDF-5 induces epidermal stem cell migration via RhoA-MMP9 signalling. | LitMetric

GDF-5 induces epidermal stem cell migration via RhoA-MMP9 signalling.

J Cell Mol Med

Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Key Laboratory of Proteomics of Chongqing, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China.

Published: February 2021

AI Article Synopsis

Article Abstract

The migration of epidermal stem cells (EpSCs) is critical for wound re-epithelization and wound healing. Recently, growth/differentiation factor-5 (GDF-5) was discovered to have multiple biological effects on wound healing; however, its role in EpSCs remains unclear. In this work, recombinant mouse GDF-5 (rmGDF-5) was found via live imaging in vitro to facilitate the migration of mouse EpSCs in a wound-scratch model. Western blot and real-time PCR assays demonstrated that the expression levels of RhoA and matrix metalloproteinase-9 (MMP9) were correlated with rmGDF-5 concentration. Furthermore, we found that rmGDF-5 stimulated mouse EpSC migration in vitro by regulating MMP9 expression at the mRNA and protein levels through the RhoA signalling pathway. Moreover, in a deep partial-thickness scald mouse model in vivo, GDF-5 was confirmed to promote EpSC migration and MMP9 expression via RhoA, as evidenced by the tracking of cells labelled with 5-bromo-2-deoxyuridine (BrdU). The current study showed that rmGDF-5 can promote mouse EpSC migration in vitro and in vivo and that GDF-5 can trigger the migration of EpSCs via RhoA-MMP9 signalling.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7882973PMC
http://dx.doi.org/10.1111/jcmm.15925DOI Listing

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