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首页> 外文期刊>Journal of Cellular Physiology >Dissecting Pin1 and phospho-pRb regulation
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Dissecting Pin1 and phospho-pRb regulation

机译:解剖Pin1和phospho-pRb监管

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摘要

The activity of the Retinoblastoma protein, the master regulator of the cell cycle, is finely regulated by phosphorylation. CDKs and cyclins are major players in phosphorylation and it has been recently discovered that the prolyl isomerase Pin1 is an essential protein that orchestrates this process. In this article, we report new findings regarding the role of Pin1 in the pRb pathway. Our data suggest that PI3K, CDKs, and the Pin1 axis have a critical role in sustaining the complete phosphorylation of pRb. Furthermore, we analyze the correlation between Pin1 and pRb phosphorylation in vivo. We show that, in human malignant glioma tissue microarrays (TMA) and in Pin1 knockout (KO) mice, there is a positive correlation between Pin1 and pRb phosphorylation. Prospectively, our findings suggest that the synergism between CDKs, Pin1, and PI3K inhibitors hold great promise for targeted pharmacological treatment of cancer patients, with the possibility of reaching high effectiveness at tolerated doses.
机译:视网膜母细胞瘤蛋白的活动主调节器的细胞周期,是精细受磷酸化。磷酸化和主要参与者吗最近发现prolyl异构酶Pin1是一个重要的蛋白质协调这一过程。报告新发现的作用Pin1审查委员途径。CDKs, Pin1轴有至关重要的作用保持完整的复审委员会的磷酸化。此外,我们分析之间的关系Pin1和复审委员会体内磷酸化。,在人类恶性胶质瘤组织微阵列(TMA)和Pin1基因敲除小鼠(KO),Pin1之间有正相关复审委员会磷酸化。Pin1建议CDKs之间的合作,和PI3K抑制剂蕴含着巨大的希望癌症的靶向药物治疗患者,达到高的可能性耐受剂量的有效性。

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