| Pharmacological studies on nonimmunologic contact urticaria in guinea pigs. | |
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MedLine Citation:
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PMID: 3101619 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In the present study we examined the effects of chlorpheniramine and ranitidine, indomethacin, BW755C (an inhibitor of cyclo-oxygenase and lipo-oxygenase enzymes of arachidonic acid metabolism), dexamethasone, and capsaicin on nonimmunologic contact urticaria (NICU) induced in the guinea pig ear by benzoic, acid cinnamic acid, cinnamic aldehyde, methyl nicotinate, diethyl fumarate, or dimethyl sulfoxide. The intensity of edema in the urticarial reaction was quantified by measuring the ear thickness. Antihistamines inhibited reactions to intradermal histamine but not to agents causing NICU. Indomethacin and dexamethasone inhibited reactions to cinnamic acid and cinnamic aldehyde but not to other NICU agents. BW755C and capsaicin had no effect on reactions to any of the NICU agents. Mast cell degranulation during the reaction was not seen in histologic sections. Histamine and capsaicin-sensitive nerves did not seem to be essential for the development of NICU in the guinea pig ear. The details of the inhibitory effects of indomethacin and dexamethasone are not clear, but it seems probable that more than one mechanism is involved in NICU due to different agents. |
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Authors:
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A Lahti; D M McDonald; R Tammi; H I Maibach |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Archives of dermatological research Volume: 279 ISSN: 0340-3696 ISO Abbreviation: Arch. Dermatol. Res. Publication Date: 1986 |
Date Detail:
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Created Date: 1987-03-19 Completed Date: 1987-03-19 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 8000462 Medline TA: Arch Dermatol Res Country: GERMANY, WEST |
Other Details:
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Languages: eng Pagination: 44-9 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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4,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amine Animals Anti-Inflammatory Agents / therapeutic use Capsaicin / therapeutic use Chlorpheniramine / therapeutic use Dermatitis, Contact / drug therapy* Dexamethasone / therapeutic use Female Guinea Pigs Indomethacin / therapeutic use Male Premedication Pyrazoles / therapeutic use Ranitidine / therapeutic use Urticaria / drug therapy* |
| Grant Support | |
ID/Acronym/Agency:
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HL-24136/HL/NHLBI NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Anti-Inflammatory Agents; 0/Pyrazoles; 132-22-9/Chlorpheniramine; 404-86-4/Capsaicin; 50-02-2/Dexamethasone; 53-86-1/Indomethacin; 66000-40-6/4,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amine; 66357-35-5/Ranitidine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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