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PTPMeg2的PTP结构域对磷酸化STAT3入核的抑制作用 被引量:1

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摘要 目的探讨PTPMeg2结构域对磷酸化STAT3核转位的影响。方法采用免疫共沉淀技术研究PTPMeg2与STAT3不同结构域的相互作用,采用GST pull down实验研究STAT3与PTPMeg2不同结构域的相互作用,用激光共聚焦显微镜直接观察PTPMeg2对磷酸化STAT3细胞定位的影响。结果 STAT3与PTPMeg2的所有结构域均有相互作用,PTPMeg2的PTP结构域和△SEC结构域(PTP结构域+LK结构域)可以抑制磷酸化STAT3入核。结论 PTPMeg2的PTP结构域对磷酸化STAT3的入核具有抑制作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2015年第9期2355-2358,共4页 Chinese Journal of Gerontology
基金 黑龙江省自然科学基金(No.D201084)
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