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酵母双杂交技术研究与人孕酮受体B相互作用的蛋白质 被引量:4

Screening of Proteins Interacting with hPRB by Yeast Two Hybrid
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摘要 应用酵母双杂交技术研究与人孕酮受体B(hPRB)发生相互作用的蛋白质,有助于进一步阐明其在乳腺癌的发生发展中发挥重要作用的调控机制。应用酵母双杂交系统3,以hPRB不同结构域为诱饵,筛选人乳腺cDNA文库,寻找能与之相互作用的蛋白质,并运用X-α-Gal等实验提供的信息,筛除假阳性克隆。最终以AF1-DBD结构域作为诱饵最终筛出了1个阳性克隆,经测序及生物信息学分析,这个克隆所编码的蛋白为PIAS3(活化的STAT3的蛋白抑制剂)。结果表明,孕激素受体可以和PIAS3发生相互作用,它们的相互作用有可能参与乳腺癌的生长调控。 To find proteins interacting with human progesterone receptor.Yeast two-hybrid was applied to screen human breast cDNA library, different domains of human progesterone receptor B isoform (hPRB), as the baits respectively. PIAS3, protein inhibitor of activated STAT3, was identified to interact with AF1-DBD domain of hPRB. PIAS3 can interact with hPRB. Their interaction may play an important role in breast cancer development.
出处 《生物技术通讯》 CAS 2005年第6期612-614,共3页 Letters in Biotechnology
关键词 酵母双杂交 人孕酮受体B 活化的STAT3的蛋白抑制剂 相互作用 yeast two hybrid human progesterone receptor B isoform protein inhibitor of activated STAT3 interaction
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