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Int J Biol Sci 2013; 9(10):1013-1020. doi:10.7150/ijbs.7191

Review

Roles of Eukaryotic Initiation Factor 5A2 in Human Cancer

Feng-wei Wang1, Xin-yuan Guan2, Dan Xie1✉

1. Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China. Collaborative Innovation Center of Cancer Medicine.
2. Department of Clinical Oncology, the University of Hong Kong, Hong Kong, China.

Abstract

Eukaryotic initiation factor 5A (eIF5A), the only known cellular protein containing the amino acid hypusine, is an essential component of translation elongation. eIF5A2, one of the two isoforms in the eIF5A family, is reported to be a novel oncogenic protein in many types of human cancer. Both in vitro and in vivo studies showed that eIF5A2 could initiate tumor formation, enhance cancer cell growth, and increase cancer cell motility and metastasis by inducing epithelial-mesenchymal transition. Accumulatied evidence suggests that eIF5A2 is a useful biomarker in the prediction of cancer prognoses and serves as an anticancer molecular target. In this review, we will focus on updating current knowledge of the EIF5A2 gene in human cancers. The molecular mechanisms of EIF5A2 related to tumorigenesis will also be discussed.

Keywords: Eukaryotic initiation factor 5A2, Cancer, Epithelial-mesenchymal transition, Metastasis.

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How to cite this article:
Wang Fw, Guan Xy, Xie D. Roles of Eukaryotic Initiation Factor 5A2 in Human Cancer. Int J Biol Sci 2013; 9(10):1013-1020. doi:10.7150/ijbs.7191. Available from http://www.ijbs.com/v09p1013.htm