Characterization of canine dendritic cells in healthy, atopic, and non-allergic inflamed skin

Ricklin, M.E.; Roosje, Petra; Summerfield, Artur (2010). Characterization of canine dendritic cells in healthy, atopic, and non-allergic inflamed skin. Journal of clinical immunology, 30(6), pp. 845-54. New York, N.Y.: Springer US; 10.1007/s10875-010-9447-9

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Atopic dermatitis in humans and dogs is a chronic relapsing allergic skin disease. Dogs show a spontaneous disease similar to the human counterpart and represent a model to improve our understanding of the immunological mechanisms, the pathogenesis of the disease, and new therapy development. The aim of the study was to determine the frequency and phenotype of dendritic cells (DC) in the epidermis and dermis of healthy, canine atopic dermatitis lesional, and non-allergic inflammatory skin to further validate the model and to obtain insights into the contribution of DC to the pathogenesis of skin diseases in dogs. We first characterized canine skin DC using flow-cytometric analysis of isolated skin DC combined with an immunohistochemical approach. A major population of canine skin dendritic cells was identified as CD1c(+)CD11c(+)CD14(-)CD80(+)MHCII(+)MAC387(-) cells, with dermal DC but not Langerhans cells expressing CD11b. In the epidermis of lesional canine atopic dermatitis and non-allergic inflammatory skin, we found significantly more dendritic cells compared with nonlesional and control skin. Only in canine atopic dermatitis skin did we find a subset of dendritic cells positive for IgE, in the epidermis and the dermis. Under all inflammatory conditions, dermal dendritic cells expressed more CD14 and CD206. MAC387(+) putative macrophages were absent in healthy but present in inflamed skin, in particular during non-allergic diseases. This study permits a phenotypic identification and differentiation of canine skin dendritic cells and has identified markers and changes in dendritic cells and macrophage populations related to allergic and non-allergic inflammatory conditions. Our data suggest the participation of dendritic cells in the pathogenesis of canine atopic dermatitis similar to human atopic dermatitis and further validate the only non-murine spontaneous animal model for this disease.

Item Type:

Journal Article (Original Article)


05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Virology and Immunology
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP)
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > DKV - Dermatology

UniBE Contributor:

Ricklin, Meret Elisabeth, Roosje Hasler, Pieternella, Summerfield, Artur


600 Technology > 630 Agriculture




Springer US;




Factscience Import

Date Deposited:

04 Oct 2013 14:36

Last Modified:

02 Mar 2023 23:21

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URI: (FactScience: 221311)

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