Abstract
Chondroitin sulfate (CS) + dermatan sulfate (DS) and hyaluronan (HA) concentrations and the sulfation patterns of CS-DS in the cartilaginous tissues and alimentary canals of Honshu Sika deer, Hokkaido Sika deer, and cattle were investigated in the present study. CS + DS concentrations were high in cartilaginous tissues, namely, the trachea and scapular cartilage region (5– 12 g*), and low in the alimentary canal (~0.3 g*). HA concentrations were low in cartilaginous tissues and the alimentary canal (~0.2 g*). All tissues mainly contained A-type [HexAGalNAc(4-sulfate)] and C-type [HexAGalNAc(6-sulfate)] CS + DS. The ratios of A-type/C-type CS + DS were 1.2– 3.1 and 0.9– 16.4 in cartilaginous tissues and the alimentary canal, respectively. CS + DS predominantly comprised β-D-GlcA and α-L-IdoA in cartilaginous tissues and the alimentary canal, respectively. The alimentary canal characteristically contained up to 14 % highly sulfated E-type [HexAGalNAc(4,6-disulfate)] and D-type [HexA(2-sulfate)GalNAc(6-sulfate)] CS + DS. The specific distributions of CS and DS were immunohistochemically confirmed using CS + DS-specific antibodies. Although the omasum of cattle is more likely to have higher concentrations of CS + DS and HA, no significant species differences were observed in the concentrations or sulfation patterns of CS + DS among species for Honshu Sika deer, Hokkaido Sika deer, and cattle. (*per 100 g of defatted dry tissue).
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More From: International Journal of Biological Macromolecules
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