Composition of glycosaminoglycans in elasmobranchs including several deep-sea sharks: Identification of chondroitin/dermatan sulfate from the dried fins of Isurus oxyrinchus and Prionace glauca

Authors
Higashi, Kyohei
Takeuchi, Yoshiki
Mukuno, Ann
Tomitori, Hideyuki
Miya, Masaki
Linhardt, Robert J.
Toida, Toshihiko
ORCID
https://orcid.org/0000-0003-2219-5833
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Issue Date
2015-03-24
Keywords
Biology , Chemistry and chemical biology , Chemical and biological engineering , Biomedical engineering
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Attribution 3.0 United States
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Full Citation
Composition of glycosaminoglycans in elasmobranchs including several deep-sea sharks: Identification of chondroitin/dermatan sulfate from the dried fins of Isurus oxyrinchus and Prionace glauca, K. Higashi, Y. Takeuchi, A. Mukuno, H. Tomitori, M. Miya, R. J. Linhardt, T. Toida, PLOS ONE, 0120860, 2015.
Abstract
Shark fin, used as a food, is a rich source of glycosaminoglyans (GAGs), acidic polysaccharides having important biological activities, suggesting their nutraceutical and pharmaceutical application. A comprehensive survey of GAGs derived from the fin was performed on 11 elasmobranchs, including several deep sea sharks. Chondroitin sulfate (CS) and hyaluronic acid (HA) were found in Isurus oxyrinchus, Prionace glauca, Scyliorhinus torazame, Deania calcea, Chlamydoselachus anguineus, Mitsukurina owatoni, Mustelus griseus and Dasyatis akajei, respectively. CS was only found from Chimaera phantasma, Dalatias licha, and Odontaspis ferox, respectively. Characteristic disaccharide units of most of the CS were comprised of C- and D-type units. Interestingly, substantial amount of CS/dermatan sulfate (DS) was found in the dried fin (without skin and cartilage) of Isurus oxyrinchus and Prionace glauca. 1H-NMR analysis showed that the composition of glucuronic acid (GlcA) and iduronic acid (IdoA) in shark CS/DS was 41.2% and 58.8% (Isurus oxyrinchus), 36.1% and 63.9% (Prionace glauca), respectively. Furthermore, a substantial proportion of this CS/DS consisted of E-, B- and D-type units. Shark CS/DS stimulated neurite outgrowth of hippocampal neurons at a similar level as DS derived from invertebrate species. Midkine and pleiotrophin interact strongly with CS/DS from Isurus oxyrinchus and Prionace glauca, affording Kd values of 1.07 nM, 6.25 nM and 1.70 nM, 1.88 nM, respectively. These results strongly suggest that the IdoA-rich domain of CS/DS is required for neurite outgrowth activity. A detailed examination of oligosaccharide residues, produced by chondroitinase ACII digestion, suggested that the IdoA and B-type units as well as A- and C-type units were found in clusters in shark CS/DS. In addition, it was discovered that the contents of B-type units in these IdoA-rich domain increased in a length dependent manner, while C- and D-type units were located particularly in the immediate vicinity of the IdoA-rich domain.
Description
PLOS ONE, 0120860
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Department
The Linhardt Research Labs.
The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS)
Publisher
Public Library of Science (PLoS)
Relationships
The Linhardt Research Labs Online Collection
Rensselaer Polytechnic Institute, Troy, NY
PLoS ONE
https://harc.rpi.edu/
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Open Access
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