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논문 기본 정보

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학술저널
저자정보
Fen Xue (Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China) Lifen Liu (Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China) Xueqiang Tao (Department of Spinal Surgery, The Fourth Hospital of Baotou, Baotou, China) Weipei Zhu (Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China)
저널정보
대한부인종양학회 Journal of Gynecologic Oncology Journal of Gynecologic Oncology Vol.35 No.5
발행연도
2024.9
수록면
1 - 17 (17page)
DOI
https://doi.org/10.3802/jgo.2024.35.e64

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Objective: Src homology phosphotyrosin phosphatase 2 (SHP2) has been implicated in the progression of several cancer types. However, its function in endometrial cancer (EC) remains unclear. Here, we report that the ten-eleven translocation 3 (TET3)-mediated DNA demethylation modification is responsible for the oncogenic role of SHP2 in EC and explore the detailed mechanism. Methods: The transcriptomic differences between EC tissues and control tissues were analyzed using bioinformatics tools, followed by protein-protein interaction network establishment. EC cells were treated with shRNA targeting SHP2 alone or in combination with isoprocurcumenol, an epidermal growth factor receptor (EGFR) signaling activator. The cell biological behavior was examined using cell counting kit-8, colony formation, flow cytometry, scratch assay, and transwell assays, and the median inhibition concentration values to medroxyprogesterone acetate/gefitinib were calculated. The binding of TET3 to the SHP2 promoter was verified. EC cells with TET3 knockdown and combined with SHP2 overexpression were selected to construct tumor xenografts in mice. Results: TET3 and SHP2 were overexpressed in EC cells. TET3 bound to the SHP2 promoter, thereby increasing the DNA hydroxymethylation modification and activating SHP2 to induce the EGFR/extracellular signal-regulated kinase (ERK) pathway. Knockdown of TET3 or SHP2 inhibited EC cell malignant aggressiveness and impaired the EGFR/ERK pathway. Silencing of TET3 inhibited the tumorigenic capacity of EC cells, and ectopic expression of SHP2 or isoprocurcumenol reversed the inhibitory effect of TET3 knockdown on the biological activity of EC cells. Conclusion: TET3 promoted the DNA demethylation modification in the SHP2 promoter and activated SHP2, thus activating the EGFR/ERK pathway and leading to EC progression.

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