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  • Title: Variations in the composition of arterial wall isomeric chondroitin sulfate proteoglycans among different animal species.
    Author: Radhakrisnamurthy B, Srinivasan SR, Ruiz HA, Dalferes ER, Berenson GS.
    Journal: Comp Biochem Physiol B; 1990; 97(2):355-62. PubMed ID: 2123768.
    Abstract:
    1. Isomeric chondroitin sulfate proteoglycans were extracted from human, bovine, swine and rabbit aortas by 4 M guanidine-HCl and were fractionated and purified by CsCl isopycnic centrifugation, Sepharose CL-4B gel filtration, DEAE-Sepharose ion-exchange chromatography and octyl-Sepharose hydrophobic interaction chromatography. 2. The molecular size and the composition of isomeric chondroitin sulfate proteoglycans varied among species. Variations were also noted in the composition and molecular weight of constituent glycosaminoglycan chains. 3. Observations made on chondroitinase ABC and chondroitinase AC digests of proteoglycans indicate that dermatan sulfate is linked to the core proteins through chondroitin sulfates.
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