Abstract
Microspectrophotometric analyses combined with model experiments using polyacrylamide films containing different types of purified glycosaminoglycan or glycosaminoglycan and basic protein, have been applied to investigate the chemical characteristics of the glycosaminoglycan moiety present in rat mucosal mast cell granules. The results obtained with these histochemical techniques present evidence of the absence of significant amounts of heparin and the presence of lower sulfated glycosaminoglycan(s) in the granules of these cells.
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