期刊
GENE
卷 682, 期 -, 页码 92-100出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gene.2018.05.042
关键词
Gastric cancer; Cadherin-17; Nuclear factor-kappa B; MMP-2
资金
- Education-Science Foundation for Middle-aged and Young Teachers of the Education Bureau of Fujian Province [JA13289]
- Youth Foundation of Fujian Provincial Health and Family Planning Commission [2012-2-145]
- Natural Science Foundation of Fujian Province, China [2017J0105]
Gastric cancer (GC), one of the most common cancers of the digestive system, results in high morbidity and mortality, but the molecular mechanisms underlying GC remain largely unknown. Cadherin-17 (CDH17) is a nonclassical member of the cadherin (CDH) superfamily of calcium-dependent proteins. Despite recent advances in the understanding of CDH17 biology, the mechanism of CDH17 in GC proliferation, migration, and invasion has not been extensively studied. In the present study, we observed that CDH17 expression was increased in GC tissues compared with para-carcinoma tissues and was correlated with lymph node metastasis and the AJCC stage. Additionally, a significant correlation was found between CDH17 protein expression and the number of blood and lymph vessels in GC tissues. Furthermore, in vitro suppression of CDH17 expression using short-interfering RNA (siRNA) decreased AGS cell proliferation, migration and invasion. Conversely, overexpression of CDH17 through plasmid transfection enhanced the malignant activity of AGS cells. Moreover, CDH17 increased the matrix metallopeptidase 2 (MMP-2) levels via the canonical nuclear factor-kappaB (NF-kappa B) pathway. Our findings offer new insights into the mechanism of the CDH17/NF-kappa B/MMP-2 axis, and the associated signalling pathways might represent novel targets for the treatment of GC.
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