Abstract
AbstractA new method of urinary oligosaccharides identification by matrix-assisted laser desorption time-of-flight mass spectrometry is presented. The method involves three steps: coupling of the urinary oligosaccharides with 8-aminonaphthalene-1,3,6-trisulfonic acid; fast purification over a porous graphite carbon extraction column; and mass spectrometric analysis. Identification of urinary oligosaccharides is based on the patterns and values of the pseudomolecular ions observed. We report here the patterns in urines from patients with Pompe disease, alpha and beta mannosidoses, galacto-sialidosis, and GM1 gangliosidosis. The protocols described here allowed facile and sensitive identification of the pathognomonic oligosacchariduria present in lysosomal diseases and can be extended to any pathological oligosacchariduria.
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Dates
Type | When |
---|---|
Created | 5 years, 7 months ago (Jan. 23, 2020, 1:51 a.m.) |
Deposited | 1 year, 11 months ago (Sept. 25, 2023, 10:30 a.m.) |
Indexed | 4 months, 3 weeks ago (April 7, 2025, 1:05 p.m.) |
Issued | 26 years, 9 months ago (Dec. 1, 1998) |
Published | 26 years, 9 months ago (Dec. 1, 1998) |
Published Online | 26 years, 9 months ago (Dec. 1, 1998) |
Published Print | 26 years, 9 months ago (Dec. 1, 1998) |
@article{Klein_1998, title={Identification of urinary oligosaccharides by matrix-assisted laser desorption ionization time-of-flight mass spectrometry}, volume={44}, ISSN={1530-8561}, url={http://dx.doi.org/10.1093/clinchem/44.12.2422}, DOI={10.1093/clinchem/44.12.2422}, number={12}, journal={Clinical Chemistry}, publisher={Oxford University Press (OUP)}, author={Klein, André and Lebreton, Alexandra and Lemoine, Jérome and Périni, Jean-Marc and Roussel, Philippe and Michalski, Jean-Claude}, year={1998}, month=dec, pages={2422–2428} }