Overexpression of cortactin is involved in motility and metastasis of hepatocellular carcinoma

Makoto Chuma, Michiie Sakamoto, Jun Yasuda, Gen Fujii, Kazuaki Nakanishi, Akira Tsuchiya, Tsutomu Ohta, Masahiro Asaka, Setsuo Hirohashi

Research output: Contribution to journalArticle

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Abstract

The molecular basis of the metastasis of hepatocellular carcinoma (HCC) is not fully understood. The aim of this study was to elucidate the crucial genes involved in metastasis of HCC. We compared expression profiles among highly metastatic HCC cell lines and non-metastatic HCC cell lines by using oligonucleotide array to identify genes associated with metastasis. We further investigated the effect of identified gene on cell motility and metastasis in vitro and in vivo. Finally, we examined immunohistochemistry in human tissue samples. We identified 39 genes whose expression levels were significantly correlated with metastatic ability (P<0.05). Of these genes, we further investigated cortactin, because this cortical actin-associated protein is a substrate of Src, whose activation has been shown to be involved in HCC cell migration and metastasis. Overexpression of cortactin in a non-metastatic HCC cell line increased cell motility, and resulted in metastasis in an orthotopic model. Furthermore, immunohistochemical expression of cortactin revealed its significant overexpression in HCC with intrahepatic metastasis compared with HCC without intrahepatic metastasis (P<0.005). Overexpression of cortactin may play a role in the metastasis of HCC by influencing cell motility, and cortactin could be a sensitive marker for HCC with intrahepatic metastasis.

Original languageEnglish
Pages (from-to)629-636
Number of pages8
JournalJournal of Hepatology
Volume41
Issue number4
DOIs
Publication statusPublished - 2004 Oct

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Cortactin
Hepatocellular Carcinoma
Neoplasm Metastasis
Cell Movement
Cell Line
Genes
Oligonucleotide Array Sequence Analysis
Actins

Keywords

  • Cell motility
  • Cortactin
  • Hepatocellular carcinoma
  • Intrahepatic metastasis
  • Oligonucleotide array
  • Short interfering RNA molecule

ASJC Scopus subject areas

  • Gastroenterology

Cite this

Overexpression of cortactin is involved in motility and metastasis of hepatocellular carcinoma. / Chuma, Makoto; Sakamoto, Michiie; Yasuda, Jun; Fujii, Gen; Nakanishi, Kazuaki; Tsuchiya, Akira; Ohta, Tsutomu; Asaka, Masahiro; Hirohashi, Setsuo.

In: Journal of Hepatology, Vol. 41, No. 4, 10.2004, p. 629-636.

Research output: Contribution to journalArticle

Chuma, M, Sakamoto, M, Yasuda, J, Fujii, G, Nakanishi, K, Tsuchiya, A, Ohta, T, Asaka, M & Hirohashi, S 2004, 'Overexpression of cortactin is involved in motility and metastasis of hepatocellular carcinoma', Journal of Hepatology, vol. 41, no. 4, pp. 629-636. https://doi.org/10.1016/j.jhep.2004.06.018
Chuma, Makoto ; Sakamoto, Michiie ; Yasuda, Jun ; Fujii, Gen ; Nakanishi, Kazuaki ; Tsuchiya, Akira ; Ohta, Tsutomu ; Asaka, Masahiro ; Hirohashi, Setsuo. / Overexpression of cortactin is involved in motility and metastasis of hepatocellular carcinoma. In: Journal of Hepatology. 2004 ; Vol. 41, No. 4. pp. 629-636.
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