Inhibition of formin like 2 promotes the transition of ectopic endometrial stromal cells to epithelial cells in adenomyosis through a MET-like process
2019
Abstract EMT (Epithelial-Mesenchymal Transition) is one of the factors in the pathogenesis of adenomyosis. FMNL2 induced invasion of cancer cell through promoting EMT, but it is unclear the role of FMNL2 in the adenomyosis. By IHC staining, we found the expression level of FMNL2 was significantly higher in the ectopic endometrial stromal cells from women with adenomyosis when compared with normal endometrial stromal cells. Knockdown of FMNL2 inhibited the invasion and migration of ectopic endometrial stromal cells and promoted the protein levels of E-cadherin and Vimentin. Meanwhile, inhibition of FMNL2 could induce the cell membrane localization of E-cadherin. Our findings reveal that the aberrant activation of FMNL2 promotes the pathogenesis of adenomyosis through inducing the EMT process. On the contrary, inhibition of FMNL2 promotes the transition of ectopic endometrial stromal cells to epithelial cells in adenomyosis through a MET-like process.
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