circCEP128 Knockdown Suppresses Bladder Cancer Progression via Regulating microRNA-515-5p/SDC1 Axis
Guanghui Cao, Chan Zhang, Xiangyong Tian, Gaopeng Jing, Xiaolin Zhou, Tianzhong Yan Department of Urology, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Zhengzhou, Henan, 450003, People’s Republic of ChinaCorrespondence: Tianzhong YanDepart...
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| Format: | Article |
| Language: | English |
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Dove Medical Press
2021-03-01
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| Series: | Cancer Management and Research |
| Subjects: | |
| Online Access: | https://www.dovepress.com/circcep128-knockdown-suppresses-bladder-cancer-progression-via-regulat-peer-reviewed-article-CMAR |
| _version_ | 1818616575841796096 |
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| author | Cao G Zhang C Tian X Jing G Zhou X Yan T |
| author_facet | Cao G Zhang C Tian X Jing G Zhou X Yan T |
| author_sort | Cao G |
| collection | DOAJ |
| description | Guanghui Cao, Chan Zhang, Xiangyong Tian, Gaopeng Jing, Xiaolin Zhou, Tianzhong Yan Department of Urology, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Zhengzhou, Henan, 450003, People’s Republic of ChinaCorrespondence: Tianzhong YanDepartment of Urology, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, No. 7, Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People’s Republic of ChinaTel +86-15515920410Email yantianzhong74@126.comBackground: Dysregulation of circular RNAs (circRNAs) is associated with bladder cancer progression. Nevertheless, the mechanisms of circRNA centrosomal protein 128 (circCEP128) underlying bladder cancer progression remain poorly understood.Methods: The levels of circCEP128, microRNA-515-5p (miR-515-5p) and syndecan-1 (SDC1) were determined via reverse transcription-quantitative polymerase chain reaction or Western blot. The effects of circCEP128, miR-515-5p and SDC1 on bladder cancer progression were investigated via MTT and colony formation assays, flow cytometry and transwell analysis and subcutaneous xenograft experiments. The interactions between miR-515-5p and circCEP128 or SDC1 were examined through bioinformatics prediction and luciferase reporter assay.Results: circCEP128 and SDC1 were highly expressed and miR-515-5p was low expressed in bladder cancer tissues and cells. circCEP128 knockdown hindered cell proliferation, migration and invasion and promoted cell apoptosis in bladder cancer. circCEP128 loss increased miR-515-5p expression through direct interaction in bladder cancer cells. MiR-515-5p depletion mitigated the influences of circCEP128 knockdown on bladder cancer cell phenotypes. SDC1 was a direct target of miR-515-5p. circCEP128 positively regulated SDC1 expression via miR-515-5p. MiR-515-5p restrained the malignant progression of bladder cancer cells by decreasing SDC1 expression. circCEP128 knockdown hindered the growth of bladder cancer xenograft tumors by up-regulating miR-515-5p and down-regulating SDC1.Conclusion: circCEP128 knockdown hampered the tumorigenesis and progression of bladder cancer by regulating miR-515-5p/SDC1 axis in vitro and in vivo, deepening our understanding on the molecular mechanisms of circCEP128 in bladder cancer.Keywords: bladder cancer, circCEP128, microRNA-515-5p, SDC1 |
| first_indexed | 2024-12-16T16:51:59Z |
| format | Article |
| id | doaj.art-24f410590d5e47f3a0c67638e9a0a498 |
| institution | Directory Open Access Journal |
| issn | 1179-1322 |
| language | English |
| last_indexed | 2024-12-16T16:51:59Z |
| publishDate | 2021-03-01 |
| publisher | Dove Medical Press |
| record_format | Article |
| series | Cancer Management and Research |
| spelling | doaj.art-24f410590d5e47f3a0c67638e9a0a4982022-12-21T22:24:00ZengDove Medical PressCancer Management and Research1179-13222021-03-01Volume 132885289663518circCEP128 Knockdown Suppresses Bladder Cancer Progression via Regulating microRNA-515-5p/SDC1 AxisCao GZhang CTian XJing GZhou XYan TGuanghui Cao, Chan Zhang, Xiangyong Tian, Gaopeng Jing, Xiaolin Zhou, Tianzhong Yan Department of Urology, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, Zhengzhou, Henan, 450003, People’s Republic of ChinaCorrespondence: Tianzhong YanDepartment of Urology, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, No. 7, Weiwu Road, Jinshui District, Zhengzhou, Henan, 450003, People’s Republic of ChinaTel +86-15515920410Email yantianzhong74@126.comBackground: Dysregulation of circular RNAs (circRNAs) is associated with bladder cancer progression. Nevertheless, the mechanisms of circRNA centrosomal protein 128 (circCEP128) underlying bladder cancer progression remain poorly understood.Methods: The levels of circCEP128, microRNA-515-5p (miR-515-5p) and syndecan-1 (SDC1) were determined via reverse transcription-quantitative polymerase chain reaction or Western blot. The effects of circCEP128, miR-515-5p and SDC1 on bladder cancer progression were investigated via MTT and colony formation assays, flow cytometry and transwell analysis and subcutaneous xenograft experiments. The interactions between miR-515-5p and circCEP128 or SDC1 were examined through bioinformatics prediction and luciferase reporter assay.Results: circCEP128 and SDC1 were highly expressed and miR-515-5p was low expressed in bladder cancer tissues and cells. circCEP128 knockdown hindered cell proliferation, migration and invasion and promoted cell apoptosis in bladder cancer. circCEP128 loss increased miR-515-5p expression through direct interaction in bladder cancer cells. MiR-515-5p depletion mitigated the influences of circCEP128 knockdown on bladder cancer cell phenotypes. SDC1 was a direct target of miR-515-5p. circCEP128 positively regulated SDC1 expression via miR-515-5p. MiR-515-5p restrained the malignant progression of bladder cancer cells by decreasing SDC1 expression. circCEP128 knockdown hindered the growth of bladder cancer xenograft tumors by up-regulating miR-515-5p and down-regulating SDC1.Conclusion: circCEP128 knockdown hampered the tumorigenesis and progression of bladder cancer by regulating miR-515-5p/SDC1 axis in vitro and in vivo, deepening our understanding on the molecular mechanisms of circCEP128 in bladder cancer.Keywords: bladder cancer, circCEP128, microRNA-515-5p, SDC1https://www.dovepress.com/circcep128-knockdown-suppresses-bladder-cancer-progression-via-regulat-peer-reviewed-article-CMARbladder cancercirccep128microrna-515-5psdc1 |
| spellingShingle | Cao G Zhang C Tian X Jing G Zhou X Yan T circCEP128 Knockdown Suppresses Bladder Cancer Progression via Regulating microRNA-515-5p/SDC1 Axis Cancer Management and Research bladder cancer circcep128 microrna-515-5p sdc1 |
| title | circCEP128 Knockdown Suppresses Bladder Cancer Progression via Regulating microRNA-515-5p/SDC1 Axis |
| title_full | circCEP128 Knockdown Suppresses Bladder Cancer Progression via Regulating microRNA-515-5p/SDC1 Axis |
| title_fullStr | circCEP128 Knockdown Suppresses Bladder Cancer Progression via Regulating microRNA-515-5p/SDC1 Axis |
| title_full_unstemmed | circCEP128 Knockdown Suppresses Bladder Cancer Progression via Regulating microRNA-515-5p/SDC1 Axis |
| title_short | circCEP128 Knockdown Suppresses Bladder Cancer Progression via Regulating microRNA-515-5p/SDC1 Axis |
| title_sort | circcep128 knockdown suppresses bladder cancer progression via regulating microrna 515 5p sdc1 axis |
| topic | bladder cancer circcep128 microrna-515-5p sdc1 |
| url | https://www.dovepress.com/circcep128-knockdown-suppresses-bladder-cancer-progression-via-regulat-peer-reviewed-article-CMAR |
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