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Characterization of the Pro-Inflammatory and Pruritogenic Transcriptome in Skin Lesions of the Experimental Canine Atopic Acute IgE-Mediated Late Phase Reactions Model and Correlation to Acute Skin Lesions of Human Atopic Dermatitis.
Blubaugh, Amanda; Hoover, Kathleen; Kim, Sujung Jun; Fogle, Jonathan E; Sow, Fatoumata B; Banovic, Frane.
Afiliación
  • Blubaugh A; College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA.
  • Hoover K; College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA.
  • Kim SJ; Boehringer Ingelheim Animal Health, Athens, GA 30601, USA.
  • Fogle JE; Boehringer Ingelheim Animal Health, Athens, GA 30601, USA.
  • Sow FB; Boehringer Ingelheim Animal Health, Athens, GA 30601, USA.
  • Banovic F; College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA.
Vet Sci ; 11(3)2024 Mar 01.
Article en En | MEDLINE | ID: mdl-38535843
ABSTRACT
Intradermal injection of anti-immunoglobulin E (IgE) antibodies in dogs grossly and histologically resemble naturally occurring atopic dermatitis (AD). However, the activated inflammatory and pruritic pathways have not been characterized. The objectives of this study were to characterize the inflammatory transcriptome of experimental acute canine IgE-induced lesions and to determine how these correlate to the transcriptome of naturally occurring human and canine acute atopic dermatitis. Biopsies were collected at 6 and 24 h after intradermal injections of anticanine-IgE antibodies to eight healthy male castrated Beagles; healthy and saline-injected skin served as controls. We extracted total RNA from skin biopsies and analyzed transcriptome using RNA-sequencing. Gene expressions of IgE-induced biopsies were compared to that of controls from the same subject (1.5-fold change, p-adjusted value ≤ 0.05). Acute IgE-mediated lesions had a significant upregulation of pro-inflammatory (e.g., LTB, IL-1B, PTX3, CCL2, IL6, IL8, IL18), T helper-(Th)1/IFNγ signal (e.g., STAT-1, OASL, MX-1, CXCL10, IL-12A) and Th2 (e.g., IL4R, IL5, IL13, IL33 and POSTN) genes, as well as Th2 chemokines (CCL17, CCL24). Pathway analysis revealed strong significant upregulation of JAK-STAT, histamine, IL-4 and IL13 signaling. Spearman correlation coefficient for the shared DEGs between canine anti-canine-IgE and human AD samples revealed a significant moderate positive correlation for anti-canine-IgE 6-h samples (r = 0.53) and 24-h samples (r = 0.47). In conclusion, acute canine IgE-mediated skin lesions exhibit a multipolar immunological axis upregulation (Th1, Th2 and Th17) in healthy dogs, resembling acute spontaneous human AD lesions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Vet Sci Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Suiza

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Vet Sci Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Suiza