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. 1984 Aug 1;221(3):707–716. doi: 10.1042/bj2210707

Polyacrylamide-gel electrophoresis and Alcian Blue staining of sulphated glycosaminoglycan oligosaccharides.

M K Cowman, M F Slahetka, D M Hittner, J Kim, M Forino, G Gadelrab
PMCID: PMC1144100  PMID: 6433889

Abstract

Oligosaccharide fragments of glycosaminoglycans may be separated for rapid analysis by electrophoresis through a 10% polyacrylamide matrix. An extensive ladder-like set of bands is observed for partial testicular hyaluronidase digests of chondroitin 4- or 6-sulphate, and for dermatan sulphate. Co-electrophoresis of purified oligosaccharides has established that the major bands of these patterns represent fragments differing in chain length by one disaccharide unit, with the smallest fragments having the greatest mobility. Additional minor bands, representing heterogeneity in the repeating unit structure, are also observed. There are slight differences in the mobilities of oligosaccharides derived from the three major types of sulphated glycosaminoglycans. Alcian Blue is employed for visualization of the digest fragments. Sample loads of 5-10 micrograms per band appear optimum. The smallest oligosaccharide which may be stained by this method is the hexasaccharide. After consideration of this effect, a good correlation is found to exist between densitometric scans of the gel-electrophoretic patterns and gel-filtration chromatographic profiles based on uronic acid concentration.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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