Abstract
The pre-mRNA splicing regulator serine-arginine protein kinase 1 (SRPK1) promotes cancer development and various pathophysiological processes. However, the clinical relevance of SRPK1 in hepatocellular carcinoma (HCC) is not clear. This study investigates the expression and prognostic value of SRPK1 in HCC. We found that SRPK1 expression was significantly upregulated at the mRNA and protein level in all HCC cell lines or HCC tissue samples compared with the hepatic cell line or matched noncancerous tissue samples, respectively. Higher SRPK1 expression significantly correlated with clinical staging (p = 0.031), survival time (p = 0.004), and gender (p = 0.011) of HCC patients. Together, our study showed that SRPK1 is overexpressed in HCC and may be a promising indicator of prognosis for HCC patients.
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Acknowledgments
This work was supported by the Science and Technology Department of Guangzhou (No. 2014 J4100063), National Science Foundation of China (No. 81101317), and Science and Technology Planning Project of Guangdong Province, China (No. 2013B021800040)
Authors’ contributions
GS, JZ, HJ, and WFX devised the study. JZ, HJ, YZJ, XYT, and PYL selected participants, oversaw diagnostic evaluations, and directed YJ, XJ, and PYL studies and analyses. HYJ and XWY performed the statistical analyses. GS wrote the manuscript and all authors participated in reviewing and editing the manuscript.
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Jing Zhang, Hua Jiang and Wenfei Xia contributed equally to this work.
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Zhang, J., Jiang, H., Xia, W. et al. Serine-arginine protein kinase 1 is associated with hepatocellular carcinoma progression and poor patient survival. Tumor Biol. 37, 283–290 (2016). https://doi.org/10.1007/s13277-015-3771-x
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DOI: https://doi.org/10.1007/s13277-015-3771-x