Isolation and Identification of Chondroitin Sulfates from the Mud Snail

  • Lee, Kyung-Bok (Department of Chemistry, Konyang University) ;
  • Kim, Jong-Sig (Department of Chemistry, Konyang University) ;
  • Kwak, Sang-Tae (Department of Biochemistry, School of Medicine, Konyang University) ;
  • Sim, Won-Bo (Department of Chemistry, Konyang University) ;
  • Kwak, Jong-Hwan (division of Applied Science, Korea Institute of Science and Technology) ;
  • Kim, Yeong-Shik (Natural Products Research Institute, Seoul National University)
  • Published : 1998.10.01

Abstract

chondroitin sulfates were isolated from the mud snail. For the quantitative analysis of enzymatic digestion products of isolated chondroitin sulfates, strong anion exchange-high performance liquid chromatography (SAX-HPLC) was performed. by the action of chondroitinase ABC, three unsaturated disaccharides$ 2-acetamide-2-deoxy-3-O-({\beta}-D-gluco-4-enepyranosyluronic acid)-D-galactose $$({\Delta}Di-OS), $2-acetamide-2-deoxy-3-O-({\beta}-D-gluco-4-enepyranosyluronic acid)-6-O-sulfo-D-galactose ({\Delta}Di-6S) and 2-acetamide-2-deoxy-3-O-({\beta}-D-gluco-4-enepyranosyluronic acid)-4-O-sulfo-D-galactose ({\Delta}Di-4S)$ were produced from the mud snail chondroitin sulfates. The analysis showed that relative proportion of ${\Delta}Di-OS/{\Delta}Di-6S/{\Delta}Di-4S$ was 58.7/3.1/38.2. The immunomodulating activity of chondroitin sulfate was examined by cell proliferation assay and these results suggest that it might be a immunosuppressant.

Keywords

References

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