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Time-resolved proteome profiling of normal lung development

机译:正常肺部发育的时间分辨蛋白质组分析

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Biochemical networks mediating normal lung morphogenesis and function have important implications for ameliorating morbidity and mortality in premature infants. Although several transcript-level studies have examined normal lung development, corresponding protein-level analyses are lacking. Here we performed proteomics analysis of murine lungs from embryonic to early adult ages to identify the molecular networks mediating normal lung development. We identified 8,932 proteins, providing a deep and comprehensive view of the lung proteome. Analysis of the proteomics data revealed discrete modules and the underlying regulatory and signaling network modulating their expression during development. Our data support the cell proliferation that characterizes early lung development and highlight responses of the lung to exposure to a nonsterile oxygen-rich ambient environment and the important role of lipid (surfactant) metabolism in lung development. Comparison of dynamic regulation of proteomic and recent transcriptomic analyses identified biological processes under posttranscriptional control. Our study provides a unique proteomic resource for understanding normal lung formation and function and can be freely accessed at Lungmapnet.
机译:介导正常肺部形态发生和功能的生化网络对早产儿改善发病率和死亡率的重要意义。虽然几种转录级研究检测了正常的肺部发育,但缺乏相应的蛋白质水平分析。在这里,我们从胚胎到早期成人年龄的鼠肺进行蛋白质组学分析,以鉴定介导正常肺部发育的分子网络。我们确定了8,932个蛋白质,提供了对肺蛋白质组的深层和综合。蛋白质组学数据的分析显示了在开发过程中的分立模块和潜在的调节和信号网络调制。我们的数据支持细胞增殖,表征早期肺部发育,突出肺部暴露于非体氧气的环境环境以及脂质(表面活性剂)代谢在肺部发育中的重要作用。蛋白质组学动态调节和最近转录组分析的比较鉴定了术语后对照的生物过程。我们的研究提供了一种独特的蛋白质组学资源,用于了解正常的肺部形成和功能,可以在Lungmapnet上自由进入。

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