Sialic Acid Derivatization of Fluorescently Labeled
Journal
Analytical chemistry
ISSN: 1520-6882
Titre abrégé: Anal Chem
Pays: United States
ID NLM: 0370536
Informations de publication
Date de publication:
10 05 2022
10 05 2022
Historique:
pubmed:
29
4
2022
medline:
12
5
2022
entrez:
28
4
2022
Statut:
ppublish
Résumé
Sialic acids have diverse biological roles, ranging from promoting up to preventing protein and cellular recognition in health and disease. The various functions of these monosaccharides are owed, in part, to linkage variants, and as a result, linkage-specific analysis of sialic acids is an important aspect of glycomic studies. This has been addressed by derivatization strategies using matrix-assisted laser desorption/ionization mass spectrometry (MS) or sialidase digestion arrays followed by liquid chromatography (LC)-MS. Despite this, these approaches are unable to simultaneously provide unambiguous assignment of sialic acid linkages and assess further isomeric glycan features within a single measurement. Thus, for the first time, we present the combination of procainamide fluorescent labeling with sialic acid linkage-specific derivatization via ethyl esterification and amidation for the analysis of released plasma
Identifiants
pubmed: 35482581
doi: 10.1021/acs.analchem.1c02610
pmc: PMC9096788
doi:
Substances chimiques
Polysaccharides
0
Sialic Acids
0
N-Acetylneuraminic Acid
GZP2782OP0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
6639-6648Références
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