小鼠早期胚胎发育过程中TGF-α和EGF-R mRNA的表达 |
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作者姓名: | 严云勤 谭景和 张黎霞 |
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作者单位: | 1. 东北农业大学生命学院,哈尔滨,150030 2. 广东省农业科学院畜牧研究所,广州,510001 |
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摘 要: | This study was conducted to examine the activity of TGF α and EGF R mRNA using the RT PCR technique in the early embryonic development of the mouse. Expression of TGF α mRNA was initially observed in the 8 cell stage embryo of the mouse. The level of expression gradually increased in the morula and blastula. Expression of EGF R mRNA was initially observed in the 4 cell stage embryo of the mouse and 8 cell stage embryo;morula and blastula all expressed EGF R mRNA and the levels of expression had not changed. These results confirm that epidermal growth factors play a key role in early embryonic development of the mouse, especially TGF α which can stimulate and regulate embryonic development via the autocrine system.
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关 键 词: | 小鼠 早期胚胎发育过程 TGF-α EGF-R mRNA 表达 |
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