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Int J Biol Sci. 2019 May 7;15(6):1139-1147. doi: 10.7150/ijbs.30904. eCollection 2019.

HJURP Promotes Epithelial-to-Mesenchymal Transition via Upregulating SPHK1 in Hepatocellular Carcinoma.

Chen T1,2,3,4,5, Zhou L1,2,3,4,5, Zhou Y2,3,4,5, Zhou W2,3,4,5, Huang H2,3,4,5, Yin S2,3,4, Xie H2,3,4,5, Zhou L2,3,4,5, Zheng S1,2,3,4,5.

Author information

1
Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
2
NHFPC Key Laboratory of Combined Multi-organ Transplantation, Hangzhou, China.
3
Key Laboratory of Organ Transplantation, Zhejiang Province, Hangzhou, China.
4
Key Laboratory of the diagnosis and treatment of organ Transplantation, CAMS, Hangzhou, China.
5
Collaborative innovation center for Diagnosis treatment of infectious diseases, Zhejiang university, Hangzhou, China.

Abstract

Holliday Junction Recognition Protein (HJURP) is involved in various cancers including hepatocellular carcinoma (HCC). Current studies have showed that HJURP is correlated with HCC proliferation. However, the role of HJURP in HCC Epithelial-to-Mesenchymal Transition remains unclear. In this study, we found that HJURP knockdown significantly reduced the migration and invasion abilities of HCC cells both in vivo and in vitro by interacting with Sphingosine kinase1 (SPHK1). Conversely, HJURP overexpression enhanced these biological abilities. Moreover, high HJURP expression is related to poor prognosis of HCC patients. In conclusion, HJURP plays an important role in tumor metastasis by upregulating SPHK1. And high HJURP expression may predict a lower disease-free survival rate and higher possibility of microvascular invasion in HCC patients.

KEYWORDS:

Holliday junction recognition protein; epithelial-to-mesenchymal transition; hepatocellular carcinoma; sphingosine kinase 1

Conflict of interest statement

Competing Interests: The authors have declared that no competing interest exists.

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