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Testing of lipoxygenase inhibitors, cyclooxygenase inhibitors, drugs with immunomodulating properties and some reference antipsoriatic drugs in the modified mouse tail test, an animal model of psoriasis.

Abstract
Topical administration of lipoxygenase and cyclooxygenase inhibitors, antipsoriatic drugs and some immunomodulating drugs on adult mouse tail scales showed variable induction of of orthokeratosis. Dithranol and retinoic acid showed ED50 concentrations of 0.5% and 0.23%, respectively. The lipoxygenase inhibitors catechol and octyl gallate showed ED50 of 2.5 and 13.4%. 10% lonapalene showed 20% activity, curcumin, linoleic acid, primrose oil and AA673 10-15% activity, methyl and ethyl gallate 5% activity, nordihydroguaiaretic acid, diethylcarbamazine, ebselen, esculetin, quercetin, AA861, gallic acid, dodecyl gallate and 15-hydroxyeicosatetraenoic acid no activity. The cyclooxygenase inhibitors indomethacin, acetylsalicylic acid and bufexamac were inactive, benoxaprofen showed 14% activity. The immunomodulating drugs fluorouracil and triamcinolone showed > 10% activity, cyclosporin A and thalidomide no activity. Fumaric acid showed 5% activity. The results show that this model could be proposed for screening antipsoriatic drugs.
AuthorsB Bosman
JournalSkin pharmacology : the official journal of the Skin Pharmacology Society (Skin Pharmacol) Vol. 7 Issue 6 Pg. 324-34 ( 1994) ISSN: 1011-0283 [Print] SWITZERLAND
PMID7946375 (Publication Type: Journal Article)
Chemical References
  • Cyclooxygenase Inhibitors
  • Lipoxygenase Inhibitors
  • Triamcinolone
  • Cyclosporine
  • Fluorouracil
Topics
  • Animals
  • Cell Differentiation (drug effects)
  • Cyclooxygenase Inhibitors (pharmacology, therapeutic use)
  • Cyclosporine (pharmacology)
  • Dose-Response Relationship, Drug
  • Epidermis (drug effects)
  • Fluorouracil (pharmacology)
  • Lipoxygenase Inhibitors (pharmacology, therapeutic use)
  • Male
  • Mice
  • Psoriasis (drug therapy)
  • Tail
  • Triamcinolone (pharmacology)

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