Erschienen in:
01.12.2010 | Original Paper
Long-term interferon-α treatment suppresses tumor growth but promotes metastasis capacity in hepatocellular carcinoma
verfasst von:
Peng-Yuan Zhuang, Ju-Bo Zhang, Wei Zhang, Xiao-Dong Zhu, Ying Liang, Hua-Xiang Xu, Yu-Quan Xiong, Ling-Qun Kong, Lu Wang, Wei-Zhong Wu, Zhao-You Tang, Lun-Xiu Qin, Hui-Chuan Sun
Erschienen in:
Journal of Cancer Research and Clinical Oncology
|
Ausgabe 12/2010
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Abstract
Purpose
To elucidate the effect of IFN-α treatment on tumor growth and metastasis of hepatocellular carcinoma (HCC).
Methods
IFN-α administration was conducted in nude mice using an orthotopic implantation model of human HCC, and the key molecular markers in the IFN-α treatment was detected by immunohistochemistry staining and PCR array.
Results
Up to 12 weeks of IFN-α treatment significantly suppressed tumor growth of HCC, but relatively increased the number of circulating tumor cells, which might be due to the enhanced tumor hypoxia as well as up-regulation of metastasis-related genes, such as HIF-1α, c-met, u-PA, PDGF-A, and IL-8. However, IFN-α had no direct effect on migration and invasion of HCC cells.
Conclusions
IFN-α has janus face of consistently suppressing HCC growth, however, promoting tumor metastasis capacity, which is of clinical indication for the scientific administration of IFN-α and the similar antiangiogenesis drugs for their dual effect on tumor growth and metastasis.