PMID: 11604162Oct 18, 2001Paper

IgE reactivity and cross-reactivity to Japanese cedar (Cryptomeria japonica) and cypress (Chamaecyparis obtusa) pollen allergens in dogs with atopic dermatitis

Veterinary Immunology and Immunopathology
M SakaguchiH Tsujimoto

Abstract

The natural occurrence of Japanese cedar (Cryptomeria japonica) pollinosis has been reported in dogs with atopic dermatitis. However, the reactivity to Japanese cypress (Chamaecyparis obtusa) pollen allergens in these dogs has not been reported. The present study was designed to investigate the reactivity to Japanese cypress pollen allergens in dogs sensitized to Japanese cedar pollen allergens. In 19 dogs with specific IgE to C. japonica pollen allergen, we measured the specific IgE to C. obtusa pollen allergen and examined the reactivity to the allergen by intradermal test. Of the 19 dogs, 18 had specific IgE to crude and purified major allergens (Cha o 1) of C. obtusa pollen. Most of the dogs showed a positive reaction to C. obtusa pollen allergens in the intradermal test. Allergenic cross-reactivity between Cha o 1 and Cry j 1 (a major allergen in C. japonica pollen) was observed by the ELISA inhibition method. Dogs sensitized to Japanese cedar pollen allergens demonstrate reactivity to Japanese cypress pollen allergens.

References

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Citations

Apr 29, 2008·International Journal of Environmental Research and Public Health·Yoshinaga IshibashiKunio Yoshizumi
Feb 27, 2016·Allergology International : Official Journal of the Japanese Society of Allergology·Kazuki MiyajiMasahiro Sakaguchi
Mar 14, 2008·Veterinary Dermatology·Manolis N SaridomichelakisAlexander F Koutinas
Mar 1, 2005·Veterinary Immunology and Immunopathology·Keitaro OhmoriMasahiro Sakaguchi
Sep 16, 2011·Allergology International : Official Journal of the Japanese Society of Allergology·Takeshi TanakaHiroyuki Nakamura

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Atopic dermatitis is a chronic inflammatory genetically determined disease of the skin marked by increased ability to form reagin (IgE), with increased susceptibility to allergic rhinitis and asthma, and hereditary disposition to a lowered threshold for pruritus. Discover the latest research on atopic dermatitis here.

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