Abstract

Hepatocellular carcinoma (HCC) is one of the leading causes of cancer death worldwide. Cancer metastasis is a major obstacle in clinical cancer therapy. The mechanisms underlying the metastasis of HCC remain unclear. Glucose-regulated protein 94 (GRP94) is a key protein involved in mediating cancer progression, and it is highly expressed in HCC specimens. However, the role of GRP94 in cancer metastasis is unclear. A specific short hairpin RNA (shRNA) was employed to knock down GRP94 gene expression in HCC cell lines. Wound-healing migration, transwell migration, and invasion assays were performed to determine the migration and invasive ability of HCC cells. We demonstrated that silencing GRP94 inhibited HCC cell wound healing, migration, and invasion. Furthermore, our findings indicated that GRP94 knockdown might attenuate HCC cell metastasis by inhibiting CCT8/c-Jun/EMT signaling. Our study indicated that silencing GRP94 significantly reduced the migration and invasion abilities of HCC cells. Moreover, depleting GRP94 inhibited cell migration and invasion by downregulating CCT8/c-Jun signaling. Thus, our data suggest that the GRP94/CCT8/c-Jun/EMT signaling cascade might be a new therapeutic target for HCC.

Original languageEnglish
Pages (from-to)8219-8227
Number of pages9
JournalTumor Biology
Volume37
Issue number6
DOIs
Publication statusPublished - Jun 1 2016

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MAP Kinase Signaling System
Hepatocellular Carcinoma
Neoplasm Metastasis
Neoplasms
Wound Healing
glucose-regulated proteins
Small Interfering RNA
Cell Movement
Cause of Death
Down-Regulation
Gene Expression
Cell Line
Therapeutics

Keywords

  • CCT8
  • GRP94
  • HCC
  • Metastasis

ASJC Scopus subject areas

  • Cancer Research

Cite this

Glucose-regulated protein 94 mediates metastasis by CCT8 and the JNK pathway in hepatocellular carcinoma. / Wei, Po-Li; Huang, Chien Yu; Tai, Cheng-Jeng; Batzorig, Uyanga; Cheng, Wan Li; Hunag, Ming Te; Chang, Yu-Jia.

In: Tumor Biology, Vol. 37, No. 6, 01.06.2016, p. 8219-8227.

Research output: Contribution to journalArticle

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abstract = "Hepatocellular carcinoma (HCC) is one of the leading causes of cancer death worldwide. Cancer metastasis is a major obstacle in clinical cancer therapy. The mechanisms underlying the metastasis of HCC remain unclear. Glucose-regulated protein 94 (GRP94) is a key protein involved in mediating cancer progression, and it is highly expressed in HCC specimens. However, the role of GRP94 in cancer metastasis is unclear. A specific short hairpin RNA (shRNA) was employed to knock down GRP94 gene expression in HCC cell lines. Wound-healing migration, transwell migration, and invasion assays were performed to determine the migration and invasive ability of HCC cells. We demonstrated that silencing GRP94 inhibited HCC cell wound healing, migration, and invasion. Furthermore, our findings indicated that GRP94 knockdown might attenuate HCC cell metastasis by inhibiting CCT8/c-Jun/EMT signaling. Our study indicated that silencing GRP94 significantly reduced the migration and invasion abilities of HCC cells. Moreover, depleting GRP94 inhibited cell migration and invasion by downregulating CCT8/c-Jun signaling. Thus, our data suggest that the GRP94/CCT8/c-Jun/EMT signaling cascade might be a new therapeutic target for HCC.",
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AU - Huang, Chien Yu

AU - Tai, Cheng-Jeng

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AU - Cheng, Wan Li

AU - Hunag, Ming Te

AU - Chang, Yu-Jia

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