| Construction of a novel fusion protein harboring mouse inter- feron γ and epidermal growth factor receptor binding domain and enhancement of its antitumor activity |
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| 引用本文： | 丁炎平,谭维彦,胡荣,陈望秋,侯云德.Construction of a novel fusion protein harboring mouse inter- feron γ and epidermal growth factor receptor binding domain and enhancement of its antitumor activity[J].中国科学：生命科学英文版,1997(3). |
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| 作者姓名： | 丁炎平 谭维彦 胡荣 陈望秋 侯云德 |
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| 作者单位： | State Key Laboratory of Molecular Virology and Genetic Engineering，Institute of Virology，Chinese Academy of Preventive Medicine Beijing 100052，China，State Key Laboratory of Molecular Virology and Genetic Engineering，Institute of Virology，Chinese Academy of Preventive Medicine Beijing 100052，China，State Key Laboratory of Molecular Virology and Genetic Engineering，Institute of Virology，Chinese Academy of Preventive Medicine Beijing 100052，China，State Key Laboratory of Molecular Virology and Genetic Engineering，Institute of Virology，Chinese Academy of Preventive Medicine Beijing 100052，China，State Key Laboratory of Molecular Virology and Genetic Engineering，Institute of Virology，Chinese Academy of Preventive Medicine Beijing 100052，China |
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| 摘 要： | A novel fusion protein harboring mouse interferon γ and epidermal growth factor receptor binding domain was constructed with the method of genetic and protein engineering. The fusion protein kept complete antiviral activity with the titer of 108 IU per liter of culture. The EGF-RBD of the fusion protein exhibited competitive binding activity against 125I-mEGF for mEGF receptors on A431 cells. The fusion protein was shown to be more potent in in-hibiting the growth of cultured mouse breast carcinoma cells than interferon γ. Experimental data on mouse B16 malig-nant melanoma model indicated that the tumor weight of fusion protein-treated group was statistically significantly smaller than that of interferon γ-treated group. The work here provides a necessarily reliable clue for the upcoming clinical employment of a novel class of targeting interferons.
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| 关 键 词： | interferon γ epidermal growth factor fusion protein antitumor activity. |
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