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Discovery of Human Signaling Systems: Pairing Peptides to G Protein-Coupled Receptors.
Cell ( IF 45.5 ) Pub Date : 2019-10-31 , DOI: 10.1016/j.cell.2019.10.010
Simon R Foster 1 , Alexander S Hauser 1 , Line Vedel 1 , Ryan T Strachan 2 , Xi-Ping Huang 3 , Ariana C Gavin 2 , Sushrut D Shah 4 , Ajay P Nayak 4 , Linda M Haugaard-Kedström 1 , Raymond B Penn 4 , Bryan L Roth 5 , Hans Bräuner-Osborne 1 , David E Gloriam 1
Affiliation  

The peptidergic system is the most abundant network of ligand-receptor-mediated signaling in humans. However, the physiological roles remain elusive for numerous peptides and more than 100 G protein-coupled receptors (GPCRs). Here we report the pairing of cognate peptides and receptors. Integrating comparative genomics across 313 species and bioinformatics on all protein sequences and structures of human class A GPCRs, we identify universal characteristics that uncover additional potential peptidergic signaling systems. Using three orthogonal biochemical assays, we pair 17 proposed endogenous ligands with five orphan GPCRs that are associated with diseases, including genetic, neoplastic, nervous and reproductive system disorders. We also identify additional peptides for nine receptors with recognized ligands and pathophysiological roles. This integrated computational and multifaceted experimental approach expands the peptide-GPCR network and opens the way for studies to elucidate the roles of these signaling systems in human physiology and disease. VIDEO ABSTRACT.

中文翻译:

人类信号系统的发现:将肽与G蛋白偶联的受体配对。

肽能系统是人类中最丰富的配体-受体介导的信号传导网络。但是,对于许多肽和超过100 G的蛋白质偶联受体(GPCR),其生理作用仍然难以捉摸。在这里,我们报告同源肽和受体的配对。在人类A类GPCR的所有蛋白质序列和结构上,将313个物种的比较基因组学和生物信息学整合在一起,我们确定了揭示额外潜在肽能信号转导系统的普遍特征。使用三个正交生化分析,我们将17个拟议的内源配体与五个与疾病(包括遗传,肿瘤,神经和生殖系统疾病)相关的孤儿GPCR配对。我们还确定了具有公认的配体和病理生理作用的九种受体的其他肽。这种综合的计算和多方面的实验方法扩展了肽-GPCR网络,并为阐明这些信号系统在人类生理学和疾病中的作用的研究开辟了道路。视频摘要。
更新日期:2019-11-09
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