Mass spectrometry-based N-glycoproteomics for cancer biomarker discovery.

Mass spectrometry-based N-glycoproteomics for cancer biomarker discovery.
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基于质谱的 N-糖蛋白组学用于癌症生物标志物发现。

DOI:
10.1186/1559-0275-11-18
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发表时间:
2014
影响因子:
3.8
通讯作者:
Lu H
Lu H
中科院分区:
医学2区
文献类型:
--
作者:
Zhang Y;Jiao J;Yang P;Lu H

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据估计,糖基化存在于超过50%的人类蛋白质中。蛋白质异常糖基化和糖链改变与许多疾病密切相关。超过一半的癌症生物标志物是糖基化蛋白质,并且糖基化蛋白质的特定糖型可以作为用于疾病的早期检测或用于治疗疾病的治疗效果的评估的生物标志物。因此,糖蛋白组学成为一个新兴的领域,可以为发现癌症的生物标志物做出独特的贡献。基于质谱的糖蛋白质组学的最新进展,它可以在一个单一的实验中分析数千个糖基化蛋白质,已经显示出很大的希望。在此,我们描述了基于MS的策略,可用于糖蛋白质组学,并讨论了定性和定量的方式的灵敏度和高通量。最后对糖蛋白组学在一些典型疾病中发现糖基化蛋白作为生物标志物的研究进展进行了综述。
Glycosylation is estimated to be found in over 50% of human proteins. Aberrant protein glycosylation and alteration of glycans are closely related to many diseases. More than half of the cancer biomarkers are glycosylated-proteins, and specific glycoforms of glycosylated-proteins may serve as biomarkers for either the early detection of disease or the evaluation of therapeutic efficacy for treatment of diseases. Glycoproteomics, therefore, becomes an emerging field that can make unique contributions to the discovery of biomarkers of cancers. The recent advances in mass spectrometry (MS)-based glycoproteomics, which can analyze thousands of glycosylated-proteins in a single experiment, have shown great promise for this purpose. Herein, we described the MS-based strategies that are available for glycoproteomics, and discussed the sensitivity and high throughput in both qualitative and quantitative manners. The discovery of glycosylated-proteins as biomarkers in some representative diseases by employing glycoproteomics was also summarized.
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