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AKAP9及其与疾病关系的研究进展

AKAP9 and its roles in multiple diseases
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摘要 A型激酶锚定蛋白9(A-kinase anchoring protein9,AKAP9)是A型激酶锚定蛋白家族(AKAPs)中的重要成员。A型激酶锚定蛋白(AKAPs)广泛存在于多种细胞,在底物附近募集不同的信号传导酶,从而将上游激活子和下游作用因子有效的组装在一个大分子信号传导复合物中,整合了共同调节细胞底物的磷酸化的各种信号分子,从而保证了信号传导的特异性和准确性。研究发现,AKAP9可通过和蛋白激酶A(protein kinase A,PKA)直接相连,调控PKA对N-甲基-D-天冬氨酸受体(N-methyl-D-aspartic acid receptor,NMDA)受体的磷酸化,进而参与神经系统功能活动。在心血管系统,AKAP9还可通过与PKA,蛋白磷酸酶1(protein phosphatase 1,PP1)相互作用,调节钾通道的离子流,影响复极化进程,与长QT综合征密切相关。并且对不同病人的基因组大数据筛选发现,AKAP9基因突变存在于多种疾病中,说明AKAP9不仅在正常的生物体中发挥重要作用,而且其异常与多种疾病发生密切相关。因此,本文将着重从AKAP9生理功能及其与疾病之间关系这两方面作一综述。
出处 《生理科学进展》 CAS CSCD 北大核心 2018年第5期332-336,共5页 Progress in Physiological Sciences
基金 国家重点研究发展计划(2016YFC1306002) 国家自然科学基金(81371398) 北京市教育委员会科技发展计划一般项目(KM201710025001) 首都医科大学基础临床合作基金(2016-JL-PT-X01)
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