HPLC-based analysis of serum N-glycans on a 96-well plate platform with dedicated database software

被引：383

作者：

Royle, Louise ^{[1
,3
]}

Campbell, Matthew P. ^{[1
,3
]}

Radcliffe, Catherine M. ^{[1
,3
]}

White, Dawn M. ^{[3
]}

Harvey, David J. ^{[3
]}

Abrahams, Jodie L. ^{[1
]}

Kim, Yun-Gon ^{[3
]}

Henry, George W. ^{[3
]}

Shadick, Nancy A. ^{[2
]}

Weinblatt, Michael E. ^{[2
]}

Lee, David M. ^{[2
]}

Rudd, Pauline M. ^{[1
,3
]}

Dwek, Raymond A. ^{[3
]}

机构：

[1] Univ Coll Dublin, Dublin Oxford Glycobio Lab, Natl Inst Bioproc Res & Training, Convey Inst, Dublin 4, Ireland

[2] Brigham & Womens Hosp, Div Rheumatol Allergy & Immunol, Boston, MA 02115 USA

[3] Univ Oxford, Dept Biochem, Glycobio Inst, Oxford OX1 3QU, England

来源：

ANALYTICAL BIOCHEMISTRY | 2008年 / 376卷 / 01期

基金：

英国惠康基金; 英国生物技术与生命科学研究理事会;

关键词：

N-glycans; glycomics; glycan database; rheumatoid arthritis;

D O I：

10.1016/j.ab.2007.12.012

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

We present a robust, fully automatable technology platform that includes computer software for the detailed analysis of low femto-moles of N-linked sugars released from glycoproteins. Features include (i) sample immobilization in 96-well plates, glycan release, and fluorescent labeling; (ii) quantitative HPLC analysis, including monosaccharide sequence, linkage, and arm-specific information for charged and neutral glycans; (iii) automatic structural assignment of peaks from HPLC profiles via web-based software that accesses our database (GlycoBase) of more than 350 N-glycan structures, including 117 present in the human serum glycome; and (iv) software (autoGU) that progressively analyzes data from exoglycosidase digestions to produce a refined list of final structures. The N-glycans from a plate of 96 samples can be released and purified in 2 or 3 days and profiled in 2 days. This strategy can be used for (i) identification and screening of disease biomarkers and (ii) monitoring the production of therapeutic glycoproteins, allowing optimization of production conditions. This technology is also suitable for preparing released glycans for other analytical techniques. Here we demonstrate its application to rheumatoid arthritis using 5 mu l of patient serum. (c) 2008 Elsevier Inc. All rights reserved.

引用

页码：1 / 12

页数：12

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