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High-Throughput Determination of the Site-Specific N-Sialoglycan Occupancy Rates by Differential Oxidation of Glycoproteins Followed with Quantitative Glycoproteomics Analysis
Zhang, Zhang1,2; Sun, Zhen1,2; Zhu, Jun1,2; Liu, Jing1,2; Huang, Guang1,2; Ye, Mingliang1; Zou, Hanfa1
刊名ANALYTICAL CHEMISTRY
2014-10-07
DOI10.1021/ac5024638
86期:19页:9830-9837
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
关键词[WOS]MASS-SPECTROMETRY ; ALPHA-2,6 SIALYLTRANSFERASE ; HEPATOCELLULAR-CARCINOMA ; FUCOSYL-TRANSFERASE ; PROTEOME ANALYSIS ; SAMBUCUS-NIGRA ; EXPRESSION ; GLYCOPEPTIDES ; CELLS ; SERUM
英文摘要Sialylated glycoproteins, which play important roles in tumor progression, have been extensively analyzed for the discovery of potential biomarkers for cancer diagnosis and prognosis. The site-specific N-sialoglycan occupancy rates of glycoproteins reflect the activities of glycosyltransferases and glycosidases in vivo and could be novel disease biomarkers. However, a high-throughput method to determine the N-sialoglycan occupancy rates is not available. On the basis of the fact that dihydroxy of sialic acid of glycan chains in glycoproteins can be specifically oxidized to aldehyde in mild periodate concentration while all types of glycan chains can be oxidized in high periodate concentration, we developed a modified protein-level hydrazide chemistry method for the determination of the N-sialoglycan occupancy rates. This method was first applied to determine the N-sialoglycan occupancy rates of two glycosites on human transferrin. These two sites were found to be fully sialylated and the N-sialoglycan occupancy rates were found to under significant decrease after the neuraminidase treatment. This method was then applied to analyze N-sialoglycan occupancy rates in proteome samples. We determined 496 and 632 site-specific N-sialoglycan occupancy rates on 334 and 394 proteins from hepatocellular carcinoma (HCC) and normal human liver tissues, respectively. By comparing the N-sialoglycan occupancy rates between the above two samples, we determined 76 N-sialoglycosites with more than a 2-fold change. This method was demonstrated to be an effective and high-throughput method for the analysis of the N-sialoglycan occupancy rates.
语种英语
WOS记录号WOS:000343017100070
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145629
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, CAS Key Lab Separat Sci Analyt Chem, Natl Chromatog R&A Ctr, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Zhang, Zhang,Sun, Zhen,Zhu, Jun,et al. High-Throughput Determination of the Site-Specific N-Sialoglycan Occupancy Rates by Differential Oxidation of Glycoproteins Followed with Quantitative Glycoproteomics Analysis[J]. ANALYTICAL CHEMISTRY,2014,86(19):9830-9837.
APA Zhang, Zhang.,Sun, Zhen.,Zhu, Jun.,Liu, Jing.,Huang, Guang.,...&Zou, Hanfa.(2014).High-Throughput Determination of the Site-Specific N-Sialoglycan Occupancy Rates by Differential Oxidation of Glycoproteins Followed with Quantitative Glycoproteomics Analysis.ANALYTICAL CHEMISTRY,86(19),9830-9837.
MLA Zhang, Zhang,et al."High-Throughput Determination of the Site-Specific N-Sialoglycan Occupancy Rates by Differential Oxidation of Glycoproteins Followed with Quantitative Glycoproteomics Analysis".ANALYTICAL CHEMISTRY 86.19(2014):9830-9837.
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