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Cadherin-11 is inactivated due to promoter methylation and functions in colorectal cancer as a tumour suppressor

Authors Yuan S, Li L, Xiang S, Jia H, Luo T

Received 12 November 2018

Accepted for publication 28 February 2019

Published 28 March 2019 Volume 2019:11 Pages 2517—2529

DOI https://doi.org/10.2147/CMAR.S193921

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Dr Beicheng Sun


Shiyun Yuan,1 Lin Li,1 Shili Xiang,2 Hexun Jia,3 Tao Luo1

1Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, People’s Republic of China; 2Department of Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, People’s Republic of China; 3Office of academic, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, People’s Republic of China

Background: The cadherin-11 (CDH11, OB-cadherin) gene is a member of the cadherin family and is located on chromosome 16q22.1. Previous studies have revealed that cadherins play significant roles in the development of many human malignancies. Increasing evidence has identified CDH11 as a functional tumour suppressor, which is commonly silenced by promoter methylation, but the functions of this gene in colorectal cancer (CRC) have been unclear.
Methods: The CDH11 expression in primary CRC tissues and cell lines was investigated by qRT-PCR, RT-PCR and immunohistochemistry. The promoter methylation status of CDH11 was measured by methylation-specific PCR (MSP). Cell proliferation assay, colony formation assay, flow cytometry analysis, wound-healing assay, transwell assay and in vivo experiments were used to investigate the function of CDH11 in CRC. The mechanisms of CDH11 also were explored by western blots.
Results: Our study suggests that CDH11 downregulation in CRC due to its promoter methylation and induced cell cycle arrest in G0/G1 phase and apoptosis, suppressing tumor cell proliferation, colony formation, migration and invasion by affecting the NF-kB signaling pathway.
Conclusion: Overall, CDH11 may be considered as a functional tumour suppressor gene (TSG) in CRC, CDH11 has the potential to serve as a valuable prognostic marker for colorectal cancer.

Keywords: cadherin 11, colorectal cancer, methylation, NF-kB, tumour suppressor

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