Protective effect of astaxanthin produced by Xanthophyllomyces dendrorhous mutant on indomethacin-induced gastric mucosal injury in rats

Jeong Hwan Kim, Seok Keun Choi, Wang Jin Lim, Hyo-Ihl Chang

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Nonsteroidal anti-inflammatory drugs such as indomethacin induce severe gastric mucosal damage in humans and rodents. In the present study, the in vivo protective effect of astaxanthin on indomethacin-induced gastric lesions in rats was investigated. The test groups were injected with indomethacin (25 mg/kg) after the oral administration of astaxanthin (25 mg/kg) for 1, 2, and 3 days, while the control group was treated only with indomethacin. Thiobarbituric acid reactive substances in the gastric mucosa, as an index of lipid peroxidation, increased significantly after indomethacin administration and this increase was inhibited by oral administration of astaxanthin. In addition, pretreatment with astaxanthin resulted in a significant increase of the activities of superoxide dismutase (SOD), catalase, and glutathione peroxidase (GSH-px). Histologic examination clearly revealed acute gastric mucosal lesions induced by indomethacin in the stomach of the control group, but were not observed in that of the test group. These results indicate that astaxanthin activates SOD, catalase, and GSH-px, and removes the lipid peroxides and free radicals induced by indomethacin. It is evident that astaxanthin acts as a free radical quencher and antioxidant, and is an effective molecule in the remedy of gastric mucosal lesion.

Original languageEnglish
Pages (from-to)996-1003
Number of pages8
JournalJournal of Microbiology and Biotechnology
Volume14
Issue number5
Publication statusPublished - 2004 Oct 1

Fingerprint

Indomethacin
Rats
Stomach
Free radicals
Wounds and Injuries
Antioxidants
Lipids
Catalase
Superoxide Dismutase
Free Radicals
Oral Administration
Molecules
Acids
Control Groups
Thiobarbituric Acid Reactive Substances
Lipid Peroxides
Glutathione Peroxidase
Gastric Mucosa
astaxanthine
Lipid Peroxidation

Keywords

  • Astaxanthin
  • Gastric mucosal injury
  • Gastritis
  • Indomethacin
  • Intragastric administration

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology
  • Microbiology
  • Bioengineering

Cite this

Protective effect of astaxanthin produced by Xanthophyllomyces dendrorhous mutant on indomethacin-induced gastric mucosal injury in rats. / Kim, Jeong Hwan; Choi, Seok Keun; Lim, Wang Jin; Chang, Hyo-Ihl.

In: Journal of Microbiology and Biotechnology, Vol. 14, No. 5, 01.10.2004, p. 996-1003.

Research output: Contribution to journalArticle

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