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Chemical Modification of the N-Acetyl Moieties of Hyaluronic Acid from Streptococcus equi for Studies in Cytokine Production

  • Siziwe Bebe
  • Tassos AnastassiadesEmail author
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 1954)

Abstract

Partial N-deacetylation and certain N-reacylations of low-molecular-weight hyaluronic acid (hyaluronan) abate its proinflammatory properties in mammalian systems. Here, we describe the treatment of bacterial hyaluronic acid by hydrazine or NaOH to yield smaller partially deacetylated polymers. These N-deacetylated polymers can be reacylated with acyl anhydrides to yield substituted hyaluronic acid derivatives of equivalent size and equimolar N-acyl substitutions.

Key words

Hyaluronic acid Hyaluronan Chemical N-acylation Streptococcus equi Proinflammatory cytokines 

Notes

Acknowledgments

This work was supported by National Sciences and Engineering Research Council of Canada (NSERC) Strategic Grant 381564-09.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Division of Rheumatology, Department of Medicine, Arthritis Research CentreQueen’s UniversityKingstonCanada

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