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Transforming growth factor ?1 enhances adhesion of endometrial cells to mesothelium by regulating integrin expression.


ABSTRACT: Endometriosis is the abnormal growth of endometrial cells outside the uterus, causing pelvic pain and infertility. Furthermore, adhesion of endometrial tissue fragments to pelvic mesothelium is required for the initial step of endometriosis formation outside uterus. TGF-?1 and adhesion molecules importantly function for adhesion of endometrial tissue fragments to mesothelium outside uterus. However, the function of TGF-?1 on the regulation of adhesion molecule expression for adhesion of endometrial tissue fragments to mesothelium has not been fully elucidated. Interestingly, transforming growth factor ?1 (TGF-?1) expression was higher in endometriotic epithelial cells than in normal endometrial cells. The adhesion efficiency of endometriotic epithelial cells to mesothelial cells was also higher than that of normal endometrial cells. Moreover, TGF-?1 directly induced the adhesion of endometrial cells to mesothelial cells through the regulation of integrin of ?V, ?6, ?1, and ?4 via the activation of the TGF-?1/TGF-?RI/Smad2 signaling pathway. Conversely, the adhesion of TGF-?1-stimulated endometrial cells to mesothelial cells was clearly reduced following treatment with neutralizing antibodies against specific TGF-?1-mediated integrins ?V, ?1, and ?4 on the endometrial cell membrane. Taken together, these results suggest that TGF-?1 may act to promote the initiation of endometriosis by enhancing integrin-mediated cell-cell adhesion. [BMB Reports 2017; 50(8): 429-434].

SUBMITTER: Choi HJ 

PROVIDER: S-EPMC5595173 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Transforming growth factor β1 enhances adhesion of endometrial cells to mesothelium by regulating integrin expression.

Choi Hee-Jung HJ   Park Mi-Ju MJ   Kim Bo-Sung BS   Choi Hee-Jin HJ   Joo Bosun B   Lee Kyu Sup KS   Choi Jung-Hye JH   Chung Tae-Wook TW   Ha Ki-Tae KT  

BMB reports 20170801 8


Endometriosis is the abnormal growth of endometrial cells outside the uterus, causing pelvic pain and infertility. Furthermore, adhesion of endometrial tissue fragments to pelvic mesothelium is required for the initial step of endometriosis formation outside uterus. TGF-β1 and adhesion molecules importantly function for adhesion of endometrial tissue fragments to mesothelium outside uterus. However, the function of TGF-β1 on the regulation of adhesion molecule expression for adhesion of endometr  ...[more]

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