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首页> 外文期刊>Molecular and Cellular Biochemistry: An International Journal for Chemical Biology >Structure-function analysis of the beta regulatory subunit of protein kinase CK2 by targeting embryonic stem cell.
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Structure-function analysis of the beta regulatory subunit of protein kinase CK2 by targeting embryonic stem cell.

机译:通过靶向胚胎干细胞的蛋白激酶CK2的β调节亚基的结构功能分析。

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摘要

Programs that govern stem cell maintenance and pluripotency are dependent on extracellular factors and of intrinsic cell modulators. Embryonic stem (ES) cells with a specific depletion of the gene encoding the regulatory subunit of protein kinase CK2 (CK2beta) revealed a viability defect. However, analysis of CK2beta functions along the neural lineage established CK2beta as a positive regulator for neural stem/progenitor cell (NSC) proliferation and multipotency. By using an in vitro genetic conditional approach, we demonstrate in this work that specific domains of CK2beta involved in the regulatory function towards CK2 catalytic subunits are crucial structural determinants for ES cell homeostasis.
机译:控制干细胞维持和多能性的程序取决于细胞外因子和内在细胞调节剂。胚胎干(ES)细胞具有特定的编码蛋白激酶CK2(CK2beta)调节亚基的基因缺失,显示出生存能力缺陷。但是,沿神经谱系对CK2beta功能的分析确定了CK2beta作为神经干/祖细胞(NSC)增殖和多能性的正调节剂。通过使用体外遗传条件方法,我们在这项工作中证明了CK2beta的特定域参与了对CK2催化亚基的调控功能,是ES细胞稳态的关键结构决定因素。

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