Peer-reviewed veterinary case report
New flea allergy treatment using DNA and protein vaccines helps cats
By Jin, Jin et al.·Published in Vaccine·2010·China Agricultural University, China·View original on PubMed →
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Original publication title: An immunotherapeutic treatment against flea allergy dermatitis in cats by co-immunization of DNA and protein vaccines.
- Species:
- cat
Plain-English summary
A group of cats suffering from flea allergy dermatitis (FAD) showed significant improvement after receiving two doses of a new treatment combining a DNA vaccine and a protein vaccine. These cats had been experiencing severe itching and skin irritation due to flea bites. After the treatment, not only did their skin symptoms improve, but their allergic reactions also decreased. This promising approach could offer a new way to help cats with this persistent allergy.
People also search for: cat flea allergy treatment · cat itching from fleas · flea allergy dermatitis in cats · vaccine for cat allergies
Abstract
Flea allergy dermatitis (FAD) is considered a harmful and persistent allergic disease in cats, dogs and humans. Effective and safe antigen-specific treatments are lacking. Previously we reported that the simultaneous co-immunization with a DNA vaccine and its cognate coded protein antigen could induce antigen-specific iTreg cells (inducible Treg cells); demonstrating its potential to protect animals from FAD in a murine model. Its clinical efficacy however, remains to be demonstrated. In this report, we clinically tested this protocol to treat established FAD in cats following flea infestations. We present data showing a profound therapeutic improvement of dermatitis in these FAD cats following two co-immunizations, not only in relieving clinical symptoms, but also the amelioration of the allergic responses, including antigen-induced wheal formation, elevated T cell proliferation, infiltration of lymphocytes and migration of mast cells to the sites. This study demonstrates that a co-immunization approach as described can be used to treat flea-induced allergic disease in animals, thus implicating its potential for a practical clinical application.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20188255/