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Aberrant expression of serine/threonine kinase Pim-3 in hepatocellular carcinoma development and its role in the proliferation of human hepatoma cell lines

フォーマット:
論文
責任表示:
Fujii, Chifumi ; Nakamoto, Yasunari ; Lu, Peirong ; Tsuneyama, Koichi ; Popivanova, Boryana K. ; Kaneko, Shuichi ; Mukaida, Naofumi
言語:
英語
出版情報:
Wiley-Liss, 2005-03-20
著者名:
Fujii, Chifumi
Nakamoto, Yasunari
Lu, Peirong
Tsuneyama, Koichi
Popivanova, Boryana K.
Kaneko, Shuichi
Mukaida, Naofumi
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掲載情報:
International Journal of Cancer
ISSN:
1097-0215  CiNii Articles  Webcat Plus  JAIRO
巻:
114
開始ページ:
209
終了ページ:
218
バージョン:
author
概要:
金沢大学がん研究所がん病態制御<br />Most cases of human hepatocellular carcinoma develop after persistent chronic infection with human hepatitis B virus or hepatitis C virus, and host responses are presumed to have major roles in this process. To re capitulate this process, we have developed the mouse model of hepatocellular carcinoma using hepatitis B virus surface antigen transgenic mice. To identify the genes associated with hepatocarcinogenesis in this model, we compared the gene expression patterns between pre-malignant lesions surrounded by hepatocellular carcinoma tissues and control liver tissues by using a fluorescent differential display analysis. Among the genes that were expressed differentially in the pre-malignant lesions, we focused on Pim-3, a member of a proto-oncogene Pim family, because its contribution to hepatocarcinogenesis remains unknown. Moreover, the unavailability of the nucleotide sequence of full-length human Pim-3 cDNA prompted us to clone it from the cDNA library constructed from a human hepatoma cell line, HepG2. The obtained 2,392 bp human Pim-3 cDNA encodes a predicted open reading frame consisting of 326 amino acids. Pim-3 mRNA was selectively expressed in human hepatoma cell lines, but not in normal liver tissues. Moreover, Pim-3 protein was detected in human hepatocellular carcinoma tissues and cell lines but not in normal hepatocytes. Furthermore, cell proliferation was attenuated and apoptosis was enhanced in human hepatoma cell lines by the ablation of Pim-3 gene with RNA interference. These observations suggest that aberrantly expressed Pim-3 can cause autonomous cell proliferation or prevent apoptosis in hepatoma cell lines. © 2004 Wiley-Liss, Inc. 続きを見る
URL:
http://hdl.handle.net/2297/6664

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Wiley-Blackwell

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Wiley-Liss

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American Society for Clinical Investigation

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Rockefeller University Press

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Rockefeller University Press