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Upregulation of CD147 Promotes Metastasis of Cholangiocarcinoma by Modulating the Epithelial-to-Mesenchymal Transitional Process

Paweena Dana*†‡, Ryusho Kariya, KulthidaVaeteewoottacharn*†, Kanlayanee Sawanyawisuth*†, Wunchana Seubwai†§, Kouki Matsuda, Seiji Okada, Sopit Wongkham*†

* Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
† Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
‡ Division of Hematopoiesis, Center for AIDS Research, Kumamoto University, Kumamoto, Japan
§ Department of Forensic Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand

Oncology Research 2017, 25(7), 1047-1059. https://doi.org/10.3727/096504016X14813899000565

Abstract

CD147 is a transmembrane protein that can induce the expression and activity of matrix metalloproteinases (MMPs). Expression of CD147 has been shown to potentiate cell migration, invasion, and metastasis of cancer. In this study, the critical role of CD147 in metastasis was elucidated using CD147-overexpressing cholangiocarcinoma (CCA) cells in vitro and in vivo. The molecular mechanism, demonstrated herein, supported the hypothesis that metastasis increased in CD147-overexpressing cells. Five CD147-overexpressing clones (Ex-CD147) were established from a low CD147-expressing CCA cell line, KKU-055, using lentivirus containing pReceiver-Lenti-CD147. The metastatic capability was determined using the tail vein injection mouse model and an in vitro 3D invasion assay. Liver colonization was assessed using anti-HLA class I immunohistochemistry. Adhesion abilities, cytoskeletal arrangements, MMP activities, the expressions of adhesion molecules, and epithelial–mesenchymal transitional markers were analyzed. All Ex-CD147 clones exhibited a high CD147 expression and high liver colonization in the tail vein-injected mouse model, whereas parental cells lacked this ability. Ex-CD147 clones exhibited metastatic phenotypes (i.e., an increase in F-actin rearrangement) and cell invasion and a decrease in cell adhesion. The molecular mechanisms were shown to be via the induction of MMP-2 activity and enhancement of epithelial–mesenchymal transitions. An increase in mesenchymal markers Slug, vimentin, and N-cadherin, and a decrease in epithelial markers E-cadherin and claudin-1, together with suppression of the adhesion molecule ICAM-1, were observed in the Ex-CD147 clones. Moreover, suppression of CD147 expression using siCD147 in two CCA cell lines with high CD147 expression significantly decreased cell migration and invasion of these CCA cells. These findings emphasize the essential role of CD147 in CCA metastasis and suggest CD147 as a promising target for the effective treatment of CCA.

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APA Style
Dana, P., Kariya, R., KulthidaVaeteewoottacharn, , Sawanyawisuth, K., Seubwai, . et al. (2017). Upregulation of CD147 promotes metastasis of cholangiocarcinoma by modulating the epithelial-to-mesenchymal transitional process. Oncology Research, 25(7), 1047-1059. https://doi.org/10.3727/096504016X14813899000565
Vancouver Style
Dana P, Kariya R, KulthidaVaeteewoottacharn , Sawanyawisuth K, Seubwai , Matsuda K, et al. Upregulation of CD147 promotes metastasis of cholangiocarcinoma by modulating the epithelial-to-mesenchymal transitional process. Oncol Res. 2017;25(7):1047-1059 https://doi.org/10.3727/096504016X14813899000565
IEEE Style
P. Dana et al., "Upregulation of CD147 Promotes Metastasis of Cholangiocarcinoma by Modulating the Epithelial-to-Mesenchymal Transitional Process," Oncol. Res., vol. 25, no. 7, pp. 1047-1059. 2017. https://doi.org/10.3727/096504016X14813899000565



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