Efficient Detection of N-sialoglycans in N-glycomics Using Mass Spectrometry by nMatch

文献类型: 外文期刊

第一作者: Zhao, Shanshan

作者: Zhao, Shanshan;Guan, Yudong;Zhao, Shanshan;Schlueter, Hartmut;Du, Shouwen;Du, Shouwen;Guan, Yudong;Guan, Yudong

作者机构:

关键词: N-glycomics; N-sialoglycans; nMatch; Mass spectrometry

期刊名称:APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY ( 影响因子:3.3; 五年影响因子:3.1 )

ISSN: 0273-2289

年卷期: 2025 年

页码:

收录情况: SCI

摘要: The structural instability and electronegativity of sialic acids make N-sialoglycan profiling challenging. We compared commonly used preparation strategies, including native, acetohydrazide-based derivatization, and permethylation, in N-glycomics with nMatch, an R-based bioinformatics tool that ensures full coverage of the detected N-glycans using mass spectrometry. We demonstrated that permethylation leads to efficient detection of not only N-sialoglycans but also other N-glycans and, therefore, provides a valuable reference for the selection of the appropriate N-glycan preparation strategy in future studies.

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