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Updated: Feb 3, 2026

Induction and Analysis of Epithelial to Mesenchymal Transition
Published on: August 27, 2013
FAK regulates epithelial‑mesenchymal transition in adenomyosis
Dexuan Zheng1, Hua Duan1, Sha Wang1
1Department of Gynecology Minimally Invasive Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100000, P.R. China.
Abstract:
Epithelial‑mesenchymal transition (EMT) has been associated with the pathogenesis of adenomyosis; focal adhesion kinase (FAK) serves an important role in the EMT process. The aim of the present study was to determine whether FAK regulates EMT in adenomyosis and to investigate the potential pathway in this process. The expression of FAK and EMT‑associated molecules in adenomyosis and control cells were determined by immunohistochemical staining and immunofluorescence at the protein level, and at the mRNA level by reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR). Small interfering RNAs were designed to knock down FAK expression. Subsequently, molecular expression was detected by immunofluorescence, RT‑qPCR and western blotting; cell migration was investigated via Transwell assays. In addition, the expression levels of members of the phosphoinositide 3‑kinase (PI3K)/protein kinase B (AKT) signaling pathway was also analyzed by RT‑qPCR and western blotting to determine the association between these members and EMT in adenomyosis. The results of the present study revealed that FAK was upregulated and the expression levels of EMT‑associated molecules were altered in adenomyosis. Silencing FAK expression inhibited adenomyosis cell migration in vitro and the expression of EMT‑promoting molecules, suggesting that the FAK/PI3K/AKT signaling pathway may participate in the EMT of endometrial cells in adenomyosis. In conclusion, FAK may regulate EMT in adenomyosis, and this process may be associated with the PI3K/AKT signaling pathway.
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