Abstract
Hypoxia inducible factor-1α (HIF-1α) was well correlated with carcinogenesis and tumor progression in many kinds of cancer. In this study, high expression of HIF-1α was found in 37 of the 72 (51.39%) tumor specimens, and significantly correlated with venous invasion and lymphonode invasion. Patients with high expression of HIF-1α had a significantly shorter overall survival rate and disease-free survival rate than those with low expression. Multivariate analysis showed high HIF-1α expression was a borderline independent factor of overall survival. HIF-1α expression was also found to be significantly correlated with the expression of hepatitis B virus X protein (HBx), and over-expressed HBx upregulated HIF-1α protein expression in vitro. These results suggested that HIF-1α, which was partially regulated by HBx, might be a prognostic marker of HBV-related HCC patients.
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Acknowledgments
This work was supported by National Natural Science Foundation of China (Grant Nos. 30371585, 30570835 and 30771889) and National Hi-Tech Research and Development Program of China (863) (Grant No. 2006AA02Z468). We greatly thank technicians Zheng Chen, Taidong Qiao, and Fucheng Ma for their excellent technical assistance.
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Dr. Huahong Xie, Dr. Jiugang Song, and Dr. Kaige Liu contributed equally to this study.
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Xie, H., Song, J., Liu, K. et al. The Expression of Hypoxia-Inducible Factor-1α in Hepatitis B Virus-Related Hepatocellular Carcinoma: Correlation with Patients’ Prognosis and Hepatitis B Virus X Protein. Dig Dis Sci 53, 3225–3233 (2008). https://doi.org/10.1007/s10620-008-0296-9
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DOI: https://doi.org/10.1007/s10620-008-0296-9