Transferrin participates in the pathogenesis of endometriosis by influencing the proliferation, migration and apoptosis of endometrial cells
Fang, J.; Chaochao, X.; Yunqin, N.; Na, D.; Xinyue, Z.; Haitao, P.
Show abstract
Ferroptosis is linked to various diseases, but the role of transferrin (TF) in endometriosis (EM) remains unclear. Expression levels of ferroptosis-related proteins, including transferrin (TF), transferrin receptor (TFRC), and glutathione peroxidase 4 (GPX4), were analyzed by western blotting. Compared to normal endometrial stromal cells, eutopic and ectopic endometrial stromal cells from EM patients exhibited significantly enhanced proliferative and migratory abilities, accompanied by a marked reduction in glutathione (GSH) levels in both eutopic and ectopic tissues. TF and TFRC expression was upregulated in ectopic endometrium relative to normal controls, while GPX4 expression was downregulated. To evaluate the functional role of TF, siRNA-mediated knockdown was performed in endometrial stromal cells, with knockdown efficiency confirmed by western blotting. Functional assays demonstrated that TF knockdown not only suppressed cell proliferation (CCK-8 and clonogenic assays) and migration (wound healing assay) but also significantly increased apoptosis rate (flow cytometry with Annexin V-FITC/PI staining).These findings implicate TF in the pathogenesis and progression of endometriosis, likely through modulating endometrial stromal cell proliferation, migration, and apoptosis.
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