Chitosan oligosaccharides suppress nuclear factor-Kappa B activation and ameliorate experimental autoimmune uveoretinitis in mice

Sheng Min Hsu, Chang Hao Yang, Hsien Yang Tsai, Chia Jhen Lin, Yi Hsuan Fang, Chi Chang Shieh, Shun Hua Chen

Research output: Contribution to journalArticlepeer-review

Abstract

We investigated the therapeutic potential and mechanism of chitosan oligosaccharides (COS) for experimental autoimmune uveoretinitis (EAU) in mice. EAU was induced in C57/BL6 mice by injection of human interphotoreceptor retinoid-binding protein (IRBP) peptides. At the same time, a high or low dose (20 or 10 mg/kg) of COS or phosphate-buffered saline (PBS) was given to mice daily after EAU induction. We found that mouse EAU is ameliorated by the high-dose COS treatment when compared with PBS treatment. In the retinas of high-dose COS-treated mice, the nuclear translocation of NF-κB subunit (p65) was suppressed, and the expression of several key EAU inflammatory mediators, IFN-γ, TNF-α, IL-1α, IL-4, IL-5, IL-6, IL-10, IL-17 and MCP-1 was lowered. These results suggest that COS may be a potential treatment for posterior uveitis.

Original languageEnglish
Article number8326
Pages (from-to)1-11
Number of pages11
JournalInternational journal of molecular sciences
Volume21
Issue number21
DOIs
Publication statusPublished - 2020 Nov 1

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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