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The effects of circFBXL5 on the malignant biological behaviors of bladder cancer T24 cells by targeting miR-515-5p and its molecular mechanisms / 中国肿瘤生物治疗杂志
Chinese Journal of Cancer Biotherapy ; (6): 1101-1107, 2022.
Article in Chinese | WPRIM | ID: wpr-953779
ABSTRACT
@#[摘 要] 目的:探讨circFBXL5通过靶向miR-515-5p影响膀胱癌T24细胞的增殖、迁移、侵袭及其分子机制。方法: 收集2020年4月至2020年6月间在苏州市中西医结合医院手术切除的41例膀胱癌组织及其癌旁组织,采用qPCR法检测circFBXL5、miR-515-5p的表达;双荧光素酶报告实验验证circFBXL5与miR-515-5p之间的靶向关系,体外培养人膀胱癌T24细胞,实验分为si-NC组、si-circFBXL5组、anti-miR-NC+si-circFBXL5组和si-circFBXL5+anti-miR-515-5p组;MTT法、细胞克隆形成实验、FCM、Transwell实验和WB法分别检测转染后T24细胞的增殖、细胞克隆形成、迁移、侵袭和凋亡及BAX、Bcl-2蛋白水平。结果:膀胱癌组织中circFBXL5呈高表达,miR-515-5p呈低表达(均P<0.05);circFBXL5靶向且负向调控miR-515-5p的表达;敲减circFBXL5后T24细胞的增殖抑制率、凋亡率和BAX蛋白水平均显著增高(均P<0.05),细胞克隆形成数和迁移、侵袭细胞数均显著减少(均P<0.05),Bcl-2蛋白水平显著降低(P<0.05);同时敲减circFBXL5和miR-515-5p可部分逆转敲减circFBXL5对T24细胞增殖的抑制作用。结论:circFBXL5通过调控miR-515-5p表达影响膀胱癌T24细胞的增殖、迁移、侵袭,circFBXL5和miR-515-5p可能膀胱癌治疗的潜在分子靶标。

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Cancer Biotherapy Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Cancer Biotherapy Year: 2022 Type: Article