Recent developments and applications of electron transfer dissociation mass spectrometry in proteomics

Recent developments and applications of electron transfer dissociation mass spectrometry in proteomics
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电子转移解离质谱在蛋白质组学中的最新进展和应用

DOI:
10.1007/s00726-014-1726-y
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发表时间:
2014
期刊:
影响因子:
3.5
通讯作者:
A. Zamfir
A. Zamfir
中科院分区:
生物学3区
文献类型:
--
作者:
M. Sarbu;Roxana M. Ghiulai;A. Zamfir

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电子转移解离(ETD)技术是近年来发展起来的一种高效的质谱离子裂解技术,是蛋白质组学研究的一个新的进展,具有真实的改进、升级和应用前景。ETD也可用于经济实惠的离子阱质谱仪,它可诱导肽骨架的特异性N-Cα键裂解,同时保留翻译后修饰并产生可诊断修饰位点的产物离子。此外,在过去几年中,ETD对自上而下方法的发展做出了重大贡献,该方法使完整蛋白质离子的串联质谱成为可能。本文简要介绍了近5年来ETD片段化技术在蛋白质组学中的主要成就和应用现状。一个充足的部分审查是专门ETD的贡献,在阐明最常见的翻译后修饰,如磷酸化和糖基化。此外,一个简短的部分致力于自上而下的ETD方法应用于完整的蛋白质。由于过去几年见证了微流体系统的重大扩展,还提出了ETD与基于芯片的纳米电喷雾(nanoESI)结合作为高通量自上而下蛋白质组学平台的一些考虑。
Electron transfer dissociation (ETD) has been developed recently as an efficient ion fragmentation technique in mass spectrometry (MS), being presently considered a step forward in proteomics with real perspectives for improvement, upgrade and application. Available also on affordable ion trap mass spectrometers, ETD induces specific N–Cα bond cleavages of the peptide backbone with the preservation of the post-translational modifications and generation of product ions that are diagnostic for the modification site(s). In addition, in the last few years ETD contributed significantly to the development of top-down approaches which enable tandem MS of intact protein ions. The present review, covering the last 5 years highlights concisely the major achievements and the current applications of ETD fragmentation technique in proteomics. An ample part of the review is dedicated to ETD contribution in the elucidation of the most common posttranslational modifications, such as phosphorylation and glycosylation. Further, a brief section is devoted to top-down by ETD method applied to intact proteins. As the last few years have witnessed a major expansion of the microfluidics systems, a few considerations on ETD in combination with chip-based nanoelectrospray (nanoESI) as a platform for high throughput top-down proteomics are also presented.
使用糖蛋白捕获和液相色谱质谱法发现肺癌血清生物标志物。
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发表时间: 2009-01-01
影响因子: 2
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