Myocardial ischemic preconditioning upregulated protein 1(Mipu1):zinc finger protein 667 - a multifunctional KRAB/C2H2 zinc finger protein.

Myocardial ischemic preconditioning upregulated protein 1(Mipu1):zinc finger protein 667 - a multifunctional KRAB/C2H2 zinc finger protein.
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心肌缺血预适应上调蛋白1(Mipu1):锌指蛋白667 - 一种多功能KRAB/C2H2锌指蛋白。

DOI:
10.1590/1414-431x20144029
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发表时间:
2015-01
期刊:
Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas
影响因子:
--
通讯作者:
Jiang ZS
Jiang ZS
中科院分区:
其他
文献类型:
--
作者:
Han D;Zhang C;Fan WJ;Pan WJ;Feng DM;Qu SL;Jiang ZS

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心肌缺血预适应上调蛋白1(Myocardial ischemic preconditioning upregulated protein 1,Mipu 1)是新近发现的在大鼠心肌缺血预适应过程中表达上调的基因。Mipu 1 cDNA全长1824 bp,开放阅读框为1824个碱基,编码608个氨基酸,N端含有Krüppel相关盒(KRAB)结构域,C端含有典型的锌指结构C2 H2基序。Mipu 1蛋白定位于细胞核中。近年来研究发现Mipu 1对心、脑等器官的缺血再灌注损伤具有保护作用。Mipu 1作为一种核因子,可能通过直接转录和抑制促凋亡基因的表达来抑制细胞凋亡,从而发挥其保护作用。此外,Mipu 1还通过抑制激活蛋白-1和血清反应元件的激活,在调节下游炎症介质的基因表达中发挥重要作用。
Myocardial ischemic preconditioning upregulated protein 1 (Mipu1) is a newly discovered upregulated gene produced in rats during the myocardial ischemic preconditioning process. Mipu1 cDNA contains a 1824-base pair open reading frame and encodes a 608 amino acid protein with an N-terminal Krüppel-associated box (KRAB) domain and classical zinc finger C2H2 motifs in the C-terminus. Mipu1 protein is located in the cell nucleus. Recent studies found that Mipu1 has a protective effect on the ischemia-reperfusion injury of heart, brain, and other organs. As a nuclear factor, Mipu1 may perform its protective function through directly transcribing and repressing the expression of proapoptotic genes to repress cell apoptosis. In addition, Mipu1 also plays an important role in regulating the gene expression of downstream inflammatory mediators by inhibiting the activation of activator protein-1 and serum response element.
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