Fubin Zhang

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The erythropoietin-producing hepatocyte (Eph) family tyrosine kinases play important roles in tumorigenesis and cancer aggression. In this study, we investigated the role of EphB6 in oncogenic transformation of colorectal epithelial cells in vitro and in vivo. EphB6 is upregulated in human colorectal cancer (CRC) tissues as compared to normal tissues, and(More)
One purified polysaccharide protein tyrosine phosphatase (PTP) was isolated from the roots of Polygala tenuifolia. The aim of the present study is to investigate the antitumor effect of PTP on human ovarian cancer OVCAR-3 cells and explore the molecular mechanism of the action involved. The results of MTT assay and apoptosis detection assay showed that PTP(More)
In our previous study, we isolated a homogeneous polysaccharide (PTP) with antitumor activity from the roots of Polygala tenuifolia. In view of the close correlation between Bmi-1 expression and progression of ovarian cancer, we intend to elucidate the mechanism of its activity by determining the Bmi-1 expression and the telomerase activity in human ovarian(More)
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