Silencing of the integrin-linked kinase gene suppresses the proliferation, migration and invasion of pancreatic cancer cells (Panc-1) |
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Authors: | Xiang-Yu Zhu Ning Liu Wei Liu Shao-Wei Song Ke-Jian Guo |
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Affiliation: | Department of Pancreatic and Gastrointestinal Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, China. |
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Abstract: | Integrin-linked kinase (ILK) is an ankyrin repeat-containing serine-threonine protein kinase that is involved in the regulation of integrin-mediated processes such as cancer cell proliferation, migration and invasion. In this study, we examined the effect of a lentivirus-mediated knockdown of ILK on the proliferation, migration and invasion of pancreatic cancer (Panc-1) cells. Immunohistochemical staining showed that ILK expression was enhanced in pancreatic cancer tissue. The silencing of ILK in human Panc-1 cells led to cell cycle arrest in the G0/G1 phase and delayed cell proliferation, in addition to down-regulating cell migration and invasion. The latter effects were mediated by up-regulating the expression of E-cadherin, a key protein in cell adhesion. These findings indicate that ILK may be a new diagnostic marker for pancreatic cancer and that silencing ILK could be a potentially useful therapeutic approach for treating pancreatic cancer. |
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Keywords: | E-cadherin epithelial-mesenchymal transition (EMT) integrin-linked kinase (ILK) Panc-1 cell line RNA interference (RNAi) |
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