Semaglutide May Ameliorate Fibrosis and Inhibit Epithelial–Mesenchymal Transition in Intrauterine Adhesion Models

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Abstract
The purpose of this study was to explore the effect of Semaglutide on intrauterine adhesions and discover new drugs for such adhesions. In this study, the cell model was simulated by TGF-β1-induced human endometrial epithelial cells, and the animal model was established through mechanical curettage and inflammatory stimulation. After co-culturing with TGF-β1 with or without different concentrations of Semaglutide for 48 h, cells were collected for RT-qPCR and Western blotting analyses. Three doses were subcutaneously injected into experimental mice once a day for two weeks, while the control group received sterile ddH2O. The serum and uterine tissues of the mice were collected. HE and Masson staining were used for the uterine histomorphological and pathological analyses. RT-qPCR and Western blotting were used for mRNA and protein expression analyses. Serum indicators were detected using ELISA kits. The results showed that Semaglutide significantly reduced the mRNA levels of fibrosis indicators ACTA2, COL1A1, and FN and inflammatory indicators TNF-α, IL-6, and NF-κB in the two models. Semaglutide improved endometrium morphology, increased the number of endometrial glands, and reduced collagen deposition in IUA mice. The results also showed that Semaglutide could inhibit vimentin, E-Cadherin, and N-Cadherin in the two models. In summary, Semaglutide can ameliorate fibrosis and inflammation of intrauterine adhesions as well as inhibit epithelial–mesenchymal transition in IUA models.
Funding Information
  • CAMS Innovation Fund for Medical Sciences (2021-I2M-3-001, 22YF7WA082, 2019JSCX0098)
  • Science and Technology Program of Gansu Province (2021-I2M-3-001, 22YF7WA082, 2019JSCX0098)
  • Science and Technology Program of Lanzhou Chengguan District (2021-I2M-3-001, 22YF7WA082, 2019JSCX0098)

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