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Anti-inflammatory and analgesic effects of the marine-derived compound comaparvin isolated from the crinoid: Comanthus bennetti

  • Li Chai Chen
  • , Yen You Lin
  • , Yen Hsuan Jean
  • , Yi Lu
  • , Wu Fu Chen
  • , San Nan Yang
  • , Hui Min David Wang
  • , Ing Yang Jang
  • , I. Ming Chen
  • , Jui Hsin Su
  • , Ping Jyun Sung
  • , Jyh Horng Sheu
  • , Zhi Hong Wen*
  • *Corresponding author for this work
  • National Sun Yat-sen University
  • Kaohsiung Armed Forces General Hospital
  • Ping Tung Christian Hospital, Taiwan
  • Chang Gung University
  • I-Shou University
  • Kaohsiung Medical University
  • Wenzao Ursuline University of Languages
  • National Dong Hwa University
  • National Museum of Marine Biology and Aquarium, Taiwan

Research output: Contribution to journalJournal Article peer-review

34 Scopus citations

Abstract

To date, no study has been conducted to explore the bioactivity of the crinoid Comanthus bennetti. Here we report the anti-inflammatory properties of comaparvin (5,8-dihydroxy-10-methoxy-2-propylbenzo[h]chromen-4-one) based on in vivo experiments. Our preliminary screening for anti-inflammatory activity revealed that the crude extract of Comanthus bennetti significantly inhibited the expression of pro-inflammatory proteins in lipopolysaccharide (LPS)-stimulated murine RAW 264.7 macrophage cells. Comaparvin isolated from crinoids significantly decreased the expression of inducible nitric oxide synthase (iNOS) protein and mRNA in LPS-stimulated macrophage cells. Moreover, our results showed that post-treatment with comaparvin significantly inhibited mechanical allodynia, thermal hyperalgesia and weight-bearing deficits in rats with carrageenan-induced inflammation. Comaparvin also attenuated leukocyte infiltration and iNOS protein expression in carrageenan-induced inflamed paws. These results suggest that comaparvin is a potential anti-inflammatory therapeutic agent against inflammatory pain.

Original languageEnglish
Pages (from-to)14667-14686
Number of pages20
JournalMolecules
Volume19
Issue number9
DOIs
StatePublished - 16 09 2014
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2014 by the authors; licensee MDPI, Basel, Switzerland.

Keywords

  • Carrageenan
  • Comanthus bennetti
  • Comaparvin
  • Crinoids
  • Inducible nitric oxide synthase
  • Lipopolysaccharide

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