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Specific activation of G protein-coupled estrogen receptor regulates colorectal cancer cell migration through reactive oxygen species pathways / 中国肿瘤生物治疗杂志
Chinese Journal of Cancer Biotherapy ; (6): 868-873, 2023.
Article in Chinese | WPRIM | ID: wpr-997081
ABSTRACT
@# [摘 要] 目的:探讨特异性激活G蛋白偶联雌激素受体(GPER)对结直肠癌(CRC)细胞迁移的作用及其可能的机制。方法:体外培养CRC细胞RKO和SW480,使用0.5或1.0 μmol/L的GPER特异性激活剂(G-1)处理CRC细胞,采用CCK-8法、划痕实验和Transwell实验分别检测G-1对CRC细胞增殖、迁移的影响。用qPCR和WB法分别检测G-1及G-1+活性氧(ROS)清除剂N-乙酰半胱氨酸(NAC)处理对RKO细胞E-钙黏素(E-Cad)、纤连蛋白(FN)mRNA和蛋白表达的影响,用流式细胞术检测RKO细胞中ROS的水平。结果:经G-1处理后RKO和SW480细胞的迁移能力均明显减弱(均P<0.05),能显著上调细胞中E-cad mRNA及蛋白表达、下调FN mRNA及蛋白表达(均P<0.05)。G-1处理能刺激RKO细胞ROS水平上升,在NAC的作用下,由G-1引起的E-cad、FN蛋白表达变化被部分逆转。结论:特异性激活GPER通过上调ROS水平抑制EMT进程,进而抑制CRC细胞的迁移。

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Cancer Biotherapy Year: 2023 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Cancer Biotherapy Year: 2023 Type: Article