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FNDC3B promotes cell migration and tumor metastasis in hepatocellular carcinoma.

ABSTRACT: Recurrence and metastasis are common in hepatocellular carcinoma (HCC) and correlate with poor prognosis. We investigated the role of fibronectin type III domain containing 3B (FNDC3B) in HCC metastasis. Overexpression of FNDC3B in HCC cell lines enhanced cell migration and invasion. On the other hand, knockdown of FNDC3B using short-hairpin RNA reduced tumor nodule formation in both intra- and extra-hepatic metastasis. High levels of FNDC3B were observed in metastatic HCCs and correlated with poor patient survival and shorter recurrence time. Mutagenesis and LC-MS/MS analyses showed that FNDC3B promotes cell migration by cooperating with annexin A2 (ANXA2). Furthermore, FNDC3B and ANXA2 expression correlated negatively with patient survival. Our results indicate that FNDC3B behaves like an oncogene by promoting cell migration. This suggests FNDC3B could serve as a biomarker and therapeutic target for HCC metastasis.

SUBMITTER: Lin CH

PROVIDER: S-EPMC5226524 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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FNDC3B promotes cell migration and tumor metastasis in hepatocellular carcinoma.

Lin Chin-Hui CH Lin Yao-Wen YW Chen Ying-Chun YC Liao Chen-Chung CC Jou Yuh-Shan YS Hsu Ming-Ta MT Chen Chian-Feng CF

Oncotarget 20160801 31

Recurrence and metastasis are common in hepatocellular carcinoma (HCC) and correlate with poor prognosis. We investigated the role of fibronectin type III domain containing 3B (FNDC3B) in HCC metastasis. Overexpression of FNDC3B in HCC cell lines enhanced cell migration and invasion. On the other hand, knockdown of FNDC3B using short-hairpin RNA reduced tumor nodule formation in both intra- and extra-hepatic metastasis. High levels of FNDC3B were observed in metastatic HCCs and correlated with p ...[more]

PMID: 27385217

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