Journal of Veterinary Clinics (한국임상수의학회지)

The Korean Society of Veterinary Clinics (한국임상수의학회)
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Identification of Allergens of Dermatophagoides farinae on Canine Atopic Dermatitis in Korea

국내 개에서 발생한 아토피성 피부염에서 Dermatophagoides farinae의 항원 확인

  • Cho, Na-Young (College of Veterinary Medicine & Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Park, Seong-Jun (College of Veterinary Medicine & Research Institute of Veterinary Medicine, Chungnam National University)
  • Accepted : 2014.10.07
  • Published : 2014.12.31
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Abstract

Dermatophagoides farinae plays important role in the pathogenesis of canine atopic dermatitis as environmental allergens. Also, many studies revealed that D. farinae was the main causative allergen for Korean dogs with atopic dermatitis. To identify major allergens of D. farinae in Korean atopic dogs allergic to D. farinae by immunoblot using commercial allergenic extracts, 26 dogs from two groups were enrolled in the study. Control group consists of 10 dogs with no clinical signs of disease and atopic group consists of 16 dogs diagnosed as atopic dermatitis. Sera from Korean dogs with atopic dermatitis showed six allergens of D. farinae extract by procedure of immunoblot. The molecular weights of identifying protein bands were 177, 109, 75, 44, 27, 15 kDa. The major allergens showing reactivity with greater than 50% of atopic dogs were detected at approximately 44, 109 and 177 kDa. Subsequent investigations will be carried out to verify the identity of the allergens detected in this study.

개의 아토피성 피부염에서 Dermatophagoides farinae의 항원을 immunoblot을 통해 확인하였다. 실험은 D. farinae에 의해 아토피성 피부염이 유발된 16마리와 임상적으로 건강한 10마리 개의 혈청으로 수행하였으며, SDS-PAGE를 실시하여 D. farinae 추출물의 항원들이 15에서 220 kDa 범위 내에 존재하는 것을 관찰하였다. Immunoblot 결과, 임상적으로 건강한 10마리 개의 혈청에서는 단백띠가 보이지 않았으며, D. farinae에 의해 아토피성 피부염이 유발된 16마리 개의 혈청을 이용한 실험에서는 14마리에서 109 kDa, 13마리에서 44 kDa, 11마리에서 177 kDa, 7마리에서 27 kDa, 5마리에서 75 kDa, 3마리에서 15 kDa의 단백띠가 관찰되었다. 즉, D. farinae에 의해 아토피성 피부염이 유발된 개체 중 50% 이상에서 관찰되는 주요 항원은 177 kDa, 109 kDa, 44 kDa 항원이었다. 본 실험과 같이 주요 항원들을 확인하는 이러한 연구는 아토피성 피부염에 대한 새로운 면역 치료의 전략과 제제의 개발에 기여할 수 있을 것으로 생각된다.

Keywords

References

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