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Rostaher A, Rodriguez-Campos S, Deplazes P, Zwickl L, Akdis AC, Urwyler A, Wheeler DW, Audergon S, Fischer NM, Favrot C. Atopic dermatitis in West Highland white terriers - Part III: early life peripheral blood regulatory T cells are reduced in atopic dermatitis. Vet Dermatol 2021; 32:239-e63. [PMID: 33565202 DOI: 10.1111/vde.12939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/04/2020] [Indexed: 01/13/2023]
Abstract
BACKGROUND Regulatory T (Treg) cells are involved in homeostasis of immune regulation and suppression of inflammation and T-cell polarisation. Current knowledge regarding the role of Treg cells in the initiation of allergic disease is limited for both people and dogs. OBJECTIVES To explore the role of circulating Treg cells and their possible influencing factors, on the development of atopic dermatitis (AD). METHODS AND MATERIALS This study followed part of a birth cohort of West Highland white terrier dogs and classified them according to eventual clinical signs of AD (i.e. allergic versus healthy). The Treg phenotypes were assessed longitudinally by flow cytometry at 3, 3-12 and 12-36 months of age, and associated with development of AD. Different early life antigenic factors [endotoxins and allergens in house dust, Toxocara canis-specific immunoglobulin (Ig)E/IgG, allergen-specific and total IgE, skin microbiota] were measured at three months of age, and a possible association with Treg cell levels was assessed. RESULTS The percentages of CD4+ CD25+ Foxp3+ Treg cells in healthy dogs were significantly higher at in 3-month-old (mean 4.5% healthy versus 3.3% allergic; P = 0.021) and <1-year-old (4.0% healthy versus 2.9% allergic; P = 0.028) dogs when compared to percentages of Treg cells in dogs that developed AD. There was a significantly positive correlation between the relative abundance of Lachnospiraceae on the skin and CD4+ CD25+ Foxp3+ Treg cells in puppies that became allergic (r = 0.568, P = 0.017). CONCLUSION AND CLINICAL IMPORTANCE Further large-scale studies are needed to identify the practical value of these findings in AD diagnosis, treatment and prevention.
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Affiliation(s)
- Ana Rostaher
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, 8057, Switzerland
| | - Sabrina Rodriguez-Campos
- Institute of Veterinary Bacteriology, Vetsuisse Faculty, University of Bern, Länggassstrasse 122, Bern, 3012, Switzerland.,Bacteriology and Mycology Unit, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ullevålsveien 72, Oslo, 0454, Norway
| | - Peter Deplazes
- Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, 8057, Switzerland
| | - Lena Zwickl
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, 8057, Switzerland
| | - A Cezmi Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Obere Strasse 22, Davos, 7270, Switzerland.,Christine Kühne-Center for Allergy Research and Education, Herman-Burchard-Strasse 1, Davos, 7265, Switzerland
| | | | - David W Wheeler
- Companion Animal Research, Elanco Animal Health, 2500 Innovation Way, Greenfield, IN, 46140, USA
| | - Sabrina Audergon
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, 8057, Switzerland
| | - Nina Maria Fischer
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, 8057, Switzerland
| | - Claude Favrot
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, Zurich, 8057, Switzerland
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Rostaher A, Dolf G, Fischer NM, Silaghi C, Akdis C, Zwickl L, Audergon S, Favrot C. Atopic dermatitis in a cohort of West Highland white terriers in Switzerland. Part II: estimates of early life factors and heritability. Vet Dermatol 2020; 31:276-e66. [PMID: 32077169 DOI: 10.1111/vde.12843] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2020] [Indexed: 01/04/2023]
Abstract
BACKGROUND There is accumulating evidence in studies of allergic diseases in humans and dogs that environmental experiences during the first months of life can influence the development of allergic disease. No prospective study has evaluated this in veterinary medicine. HYPOTHESIS/OBJECTIVES To assess early-life risk factors for canine atopic dermatitis (cAD) and estimate its heritability. ANIMALS A West Highland white terrier birth cohort (n = 107) followed up to three years of age recording the development of cAD. METHODS AND MATERIALS The effect of environmental factors [house dust mites (HDM), hygiene, feeding, lifestyle] and early-life determinants [breeder, mode of delivery, birth season, sex, litter size, early-life immunoglobulin E (IgE) levels] were assessed, using Stata SE 15.1 statistical analysis. Heritabilities were estimated using the R program packages MCMCglmm and QGglmm. RESULTS Maternal allergic status [P = 0.013, odds ratio (OR 3.3)], male sex (P = 0.06), mode of delivery (P = 0.12), breeder (P = 0.06), presence of HDM (P = 0.11) and environmental hygiene level (P = 0.15) were identified as possible influence factors by bivariate analyses. In the multivariate analysis the male sex was significantly associated with the development of cAD in the offspring (P = 0.03, OR 2.4). The heritabilities on the observed scale were 0.31 (direct), 0.04 (maternal genetic effects) and 0.03 (maternal permanent environmental effects). CONCLUSION AND CLINICAL IMPORTANCE These results suggest that several environmental factors could influence the development of cAD but clearly demonstrate the genetic influence of the individual and the dam. Further studies are needed to identify specific environmental factors, which could be potential targets for primary disease intervention.
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Affiliation(s)
- Ana Rostaher
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057, Zurich, Switzerland
| | - Gaudenz Dolf
- Institute of Genetics, Vetsuisse Faculty, University of Berne, Bremgartenstrasse 109a, 3001, Berne, Switzerland
| | - Nina Maria Fischer
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057, Zurich, Switzerland
| | - Cornelia Silaghi
- Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057, Zurich, Switzerland.,Institut für Infektionsmedizin, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald - Insel Riems, Germany
| | - Cezmi Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Obere Strasse 22, 7270, Davos, Switzerland.,Christine Kühne-Center for Allergy Research and Education, Herman-Burchard-Strasse 1, 7265, Davos, Switzerland
| | - Lena Zwickl
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057, Zurich, Switzerland
| | - Sabrina Audergon
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057, Zurich, Switzerland
| | - Claude Favrot
- Clinic for Small Animal Internal Medicine, Dermatology Unit, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057, Zurich, Switzerland
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Favrot C, Fischer N, Olivry T, Zwickl L, Audergon S, Rostaher A. Atopic dermatitis in West Highland white terriers – part I: natural history of atopic dermatitis in the first three years of life. Vet Dermatol 2019; 31:106-110. [DOI: 10.1111/vde.12801] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Claude Favrot
- Dermatology Unit Clinical for Small Animal Internal Medicine Vetsuisse Faculty University of Zurich Winterthurerstrasse 260 8057 Zurich Switzerland
| | - Nina Fischer
- Dermatology Unit Clinical for Small Animal Internal Medicine Vetsuisse Faculty University of Zurich Winterthurerstrasse 260 8057 Zurich Switzerland
| | - Thierry Olivry
- Department of Clinical Sciences College of Veterinary Medicine North Carolina State University 1060 William Moore Dive Raleigh NC 27607 USA
| | - Lena Zwickl
- Dermatology Unit Clinical for Small Animal Internal Medicine Vetsuisse Faculty University of Zurich Winterthurerstrasse 260 8057 Zurich Switzerland
| | - Sabrina Audergon
- Dermatology Unit Clinical for Small Animal Internal Medicine Vetsuisse Faculty University of Zurich Winterthurerstrasse 260 8057 Zurich Switzerland
| | - Ana Rostaher
- Dermatology Unit Clinical for Small Animal Internal Medicine Vetsuisse Faculty University of Zurich Winterthurerstrasse 260 8057 Zurich Switzerland
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