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- Title
Sensitization of mice to paraphenylenediamine and structurally-related compounds: adjuvant effects of vitamin A supplementation.
- Authors
Kalish, Richard S.; Wood, Jonathan A.
- Abstract
Allergic contact dermatitis from moderate and weak contact sensitizers is generally studied with guinea pigs, since they are readily sensitized to contact allergens. Mice, by contrast, are poor responders to weak contact allergens. However, the variety of in vitro murine systems as well as murine specific reagents make mice the preferable species. With the use of vitamin A supplementation, 2 protocols were developed which sensitized CBA/J female mice to paraphenylenediamine. Mice were sensitized by 5 daily topical applications to shaven dorsal skin. Alternately, mice were sensitized by 2 intraperitoneal injections of antigen pulsed spleen cells. Sensitization to paraphenylenediamine was determined by ear swelling following topical application. Vitamin A supplementation was found to be essential for optimum response. Lymph node and spleen cells from sensitized mice were capable of proliferating to paraphenylenediamine in vitro. With the use of vitamin A supplementation and intraperitoneal injection. CBA/J mice were also sensitized to a number of compounds structurally related to paraphenylenediamine, including the ortho- and meta-derivatives of paraphenylenediamine, as well as hydroquinone and resorcinol. These new protocols, combined with vitamin A supplementation, expand the use of mice to study moderate sensitizers with minimal animal utilization.
- Subjects
DRUG administration; SKIN inflammation; VITAMIN A; GUINEA pigs; LYMPH nodes; ALLERGENS
- Publication
Contact Dermatitis (01051873), 1995, Vol 33, Issue 6, p407
- ISSN
0105-1873
- Publication type
Article
- DOI
10.1111/j.1600-0536.1995.tb02076.x