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Article

Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo

Retraction in: /10.3892/or.2021.8202
  • Authors:
    • Min Rao
    • Yonggang Zhu
    • Xiaoxia Cong
    • Qianxun Li
  • View Affiliations / Copyright

    Affiliations: Department of Gastroenterology, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China, Department of Radiotherapy, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China, Department of Gastroenterology, The People's Hospital of Jilin Province, Changchun, Jilin 130021, P.R. China
  • Pages: 3361-3368
    |
    Published online on: May 11, 2017
       https://doi.org/10.3892/or.2017.5636
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Abstract

cAMP responsive element binding protein 1 (CREB1) gene, has been reported to play crucial roles in tumor progression and development in various types of cancer. Little is known, however, about its role and underlying mechanism in gastric cancer (GC). Herein, we investigated the biological roles and molecular mechanism of CREB1 in GC. The expression level was determined in four GC cell lines by quantitative RT-PCR and western blotting. Recombinant expression vector carrying small interfering RNA (siRNA) targeting CREB1 was constructed and then transfected into human GC cell line (SGC-7901). Cell proliferation, colony formation, cycle distribution, migration and invasion in vitro were determined by MTT, colony forming, flow cytometry, would healing and Transwell invasion assays after CREB1 knockdown. Tumor growth in vivo was assessed by measurement of tumor volume and weight in a nude mouse model. We found that CREB1 was highly expressed in the human GC cell lines. We also showed that knockdown of CREB1 in SGC-7901 cells significantly inhibited cell proliferation, colony formation, migration and invasion and induced cell arrest at G1/G0 phase in vitro, as well as suppressed tumor growth in vivo. In addition, CREB1 knockdown was able to significantly reduce expression of its downstream target genes cyclin D1, Bcl-2 and MMP-9 in vitro and in vivo. These findings suggest that CREB1 may be a potential therapeutic target for the treatment of gastric cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Rao M, Zhu Y, Cong X and Li Q: Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo Retraction in /10.3892/or.2021.8202. Oncol Rep 37: 3361-3368, 2017.
APA
Rao, M., Zhu, Y., Cong, X., & Li, Q. (2017). Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo Retraction in /10.3892/or.2021.8202. Oncology Reports, 37, 3361-3368. https://doi.org/10.3892/or.2017.5636
MLA
Rao, M., Zhu, Y., Cong, X., Li, Q."Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo Retraction in /10.3892/or.2021.8202". Oncology Reports 37.6 (2017): 3361-3368.
Chicago
Rao, M., Zhu, Y., Cong, X., Li, Q."Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo Retraction in /10.3892/or.2021.8202". Oncology Reports 37, no. 6 (2017): 3361-3368. https://doi.org/10.3892/or.2017.5636
Copy and paste a formatted citation
x
Spandidos Publications style
Rao M, Zhu Y, Cong X and Li Q: Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo Retraction in /10.3892/or.2021.8202. Oncol Rep 37: 3361-3368, 2017.
APA
Rao, M., Zhu, Y., Cong, X., & Li, Q. (2017). Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo Retraction in /10.3892/or.2021.8202. Oncology Reports, 37, 3361-3368. https://doi.org/10.3892/or.2017.5636
MLA
Rao, M., Zhu, Y., Cong, X., Li, Q."Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo Retraction in /10.3892/or.2021.8202". Oncology Reports 37.6 (2017): 3361-3368.
Chicago
Rao, M., Zhu, Y., Cong, X., Li, Q."Knockdown of CREB1 inhibits tumor growth of human gastric cancer in vitro and in vivo Retraction in /10.3892/or.2021.8202". Oncology Reports 37, no. 6 (2017): 3361-3368. https://doi.org/10.3892/or.2017.5636
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