ArticleJournal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban2007
Inhibitory effect of recombinant fibronectin polypeptide CH50 on invasion and metastasis of melanoma B16 cells.
Article in Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
In order to investigate the inhibitory effect and mechanism of recombinant polypeptide CH50 on invasion and metastasis of melanoma B16 cells, the recombinant polypeptide CH50 was separated and purified by ion exchange chromatographic technique. The melanoma B16 cells treated with purified CH50 were cultured in vitro, the number was counted at 4, 24, 48 and 72 h and their morphological changes were observed in order to detect their adhesion and spreading abilities. In in vivo study, the melanoma B16 cells were labeled with CFSE and treated with CH50 and then they were injected into mice via mouse-tail veins. After 5 h, the lung tissues were fixed by frozen section. Accumulation and invasion abilities of B16 cells on lung tissues were observed under the fluorescent microscopy. The results showed that the morphological character of B16 cells treated with CH50 changed greatly and the number of B16 cells treated with CH50 decreased significantly (P<0.05). The adhesion and spreading abilities of B16 cells treated with CH50 were weakened obviously and the metastasis foci on lung tissues reduced. It was concluded that the recombinant polypeptide CH50 inhibited invasion and metastasis of melanoma B16 cells on tissues and could be a prospective bio-product in tumor general therapy.
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