Angiotensin I-converting enzyme gene plays a crucial role in the pathology of carcinomas in colorectal cancer

Autor: Keqian Zhang, Tianqi Mao, Zhicheng He, Xiaojiao Wu, Yu Peng, Yanrong Chen, Yan Dong, Zhihua Ruan, Zhe Wang
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Artificial Cells, Nanomedicine, and Biotechnology, Vol 47, Iss 1, Pp 2500-2506 (2019)
Druh dokumentu: article
ISSN: 21691401
2169-141X
2169-1401
DOI: 10.1080/21691401.2019.1626402
Popis: Angiotensin I-Converting Enzyme (ACE, CD143) Gene plays a crucial role in the pathology of carcinomas in many cancers including colorectal cancer (CRC). However, the methylation of ACE was rarely reported. In this study, our purpose was to investigate the methylation status of ACE and explored its prognostic value in CRC. The expression of ACE was detected by quantitative real-time polymerase chain reaction (qRT-PCR) analysis while the methylation status of ACE was measured via methylation-specific polymerase chain reaction (MSP). The result demonstrated that ACE expression was up-regulated in tumour tissues and HT-29 cells compared with the controls. ACE was also confirmed to be hypomethylated in CRC. Next, we evaluated the influence of ACE hypomethylation on cell growth. It was proved to be a favourable factor for the cell proliferation, cell colony forming, but an inhibitor for the cell apoptosis of CRC cells according to MST assay, colony forming assay and flow cytometry assay. ACE hypomethylation was also considered to be related to the prognosis of CRC through Cox regression analysis. Taken together, the over-expression of ACE was regulated by its hypomethylation and the ACE hypomethylation might be an independent prognostic indicator in CRC.
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