Akt–Oct4 regulatory circuit in pluripotent stem cells

Akt–Oct4 regulatory circuit in pluripotent stem cells
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多能干细胞中的 Akt→Oct4 调节回路

DOI:
10.1007/s11434-014-0131-y
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发表时间:
2014-01
影响因子:
--
通讯作者:
Wang Y
Wang Y
中科院分区:
--
文献类型:
--
作者:
Su T;Dan S;Wang Y

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Oct 4主要在胚胎干细胞(ESC)、生殖系干细胞和胚胎癌细胞(ECCs)中表达,在维持这些多能干细胞的多能性和自我更新中起着不可或缺的作用。Akt丝氨酸/苏氨酸激酶是一种公认的抗凋亡和细胞存活因子,也被认为是干性的重要调节因子。新出现的证据表明,Oct 4通过许多途径与Akt紧密相连,此外,Oct 4与Akt之间的直接相互作用最近被揭示出来。这些组件共同形成Akt-Oct 4调节回路。在这篇综述中,我们总结了我们目前的知识,Akt-Oct 4调控电路在胚胎干细胞和讨论它的改变,可能是多能干细胞的肿瘤发生的基础。
Oct4 is mainly expressed in embryonic stem cells (ESCs), germline stem cells, and embryonal carcinoma cells (ECCs) and plays an indispensable role in maintaining the pluripotency and self-renewal of these pluripotent stem cells. Akt serine/threonine kinase, a well-established anti-apoptosis and cell survival factor, has also been implicated as an important regulator of stemness. Emerging evidence indicated that Oct4 is reciprocally connected to Akt via a number of routes, and moreover, a direct interaction between Oct4 and Akt has recently been revealed. These components collectively form the Akt–Oct4 regulatory circuit. In this review, we summarize our current knowledge about the Akt–Oct4 regulatory circuit in ESCs and discuss its alterations in ECCs that may underlie the tumorigenesis of pluripotent stem cells.
通过表达分析在胚胎干细胞中解剖OCT3/4调节的基因网络。
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