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Selective IgA deficiency (IgAD) is the most common primary immunodeficiency disorder in Caucasians and is defined as serum IgA concentrations below or equal to 0.07 g/l, with normal serum concentrations of IgM and IgG, in individuals 4 years of age or older. The prevalence of IgAD is approximately 1:600 in the general population and recent results have shown that patients with IgAD have significantly poorer physical health and an increased risk of early death. The domestic dog is more than just a companion and working animal. The almost 400 distinct modern dog breeds represent great phenotypical diversity and there are more than 350 naturally occurring genetic diseases in dogs which clinically resemble the corresponding human diseases. As a result of domestication, the dog’s genome is characterised by long haplotype blocks and linkage disequilibrium (LD) making the dog an appealing model for genetic studies of human diseases. Low serum IgA concentrations in dogs have been reported to clinically resemble human IgAD. However, even though the literature on IgA concentrations in dogs is extensive, the normal range of serum IgA as well as a generally accepted cut-off value for IgAD deficiency has not yet been established. We performed an extensive screen of serum IgA concentrations in more than 1,500 dogs from 22 breeds. Dog breed-specific differences in the prevalence of IgAD indicate the involvement of genetic factors in the development of the disease. Furthermore, certain dog breeds were found to stand out as high-risk breeds. Genome-wide association studies (GWAS) in selected high-risk breeds show that IgAD is associated with genes involved in B cell development and haematopoiesis. Additionally, serum IgA concentrations were found to play an important role in the aetiology of canine atopic dermatitis (CAD), an autoimmune disease in dogs. Molecular identity allowed the quantification of IgA in serum samples from Canadian and Scandinavian wolves with the same antibodie

Selective IgA deficiency (IgAD) is the most common primary immunodeficiency disorder in Caucasians and is defined as serum IgA concentrations below or equal to 0.07 g/l, with normal serum concentrations of IgM and IgG, in individuals 4 years of age or older. The prevalence of IgAD is approximately 1:600 in the general population and recent results have shown that patients with IgAD have significantly poorer physical health and an increased risk of early death. The domestic dog is more than just a companion and working animal. The almost 400 distinct modern dog breeds represent great phenotypical diversity and there are more than 350 naturally occurring genetic diseases in dogs which clinically resemble the corresponding human diseases. As a result of domestication, the dog’s genome is characterised by long haplotype blocks and linkage disequilibrium (LD) making the dog an appealing model for genetic studies of human diseases. Low serum IgA concentrations in dogs have been reported to clinically resemble human IgAD. However, even though the literature on IgA concentrations in dogs is extensive, the normal range of serum IgA as well as a generally accepted cut-off value for IgAD deficiency has not yet been established. We performed an extensive screen of serum IgA concentrations in more than 1,500 dogs from 22 breeds. Dog breed-specific differences in the prevalence of IgAD indicate the involvement of genetic factors in the development of the disease. Furthermore, certain dog breeds were found to stand out as high-risk breeds. Genome-wide association studies (GWAS) in selected high-risk breeds show that IgAD is associated with genes involved in B cell development and haematopoiesis. Additionally, serum IgA concentrations were found to play an important role in the aetiology of canine atopic dermatitis (CAD), an autoimmune disease in dogs. Molecular identity allowed the quantification of IgA in serum samples from Canadian and Scandinavian wolves with the same antibodie

Selective IgA deficiency (IgAD) is the most common primary immunodeficiency disorder in Caucasians and is defined as serum IgA concentrations below or equal to 0.07 g/l, with normal serum concentrations of IgM and IgG, in individuals 4 years of age or older. The prevalence of IgAD is approximately 1:600 in the general population and recent results have shown that patients with IgAD have significantly poorer physical health and an increased risk of early death. The domestic dog is more than just a companion and working animal. The almost 400 distinct modern dog breeds represent great phenotypical diversity and there are more than 350 naturally occurring genetic diseases in dogs which clinically resemble the corresponding human diseases. As a result of domestication, the dog’s genome is characterised by long haplotype blocks and linkage disequilibrium (LD) making the dog an appealing model for genetic studies of human diseases. Low serum IgA concentrations in dogs have been reported to clinically resemble human IgAD. However, even though the literature on IgA concentrations in dogs is extensive, the normal range of serum IgA as well as a generally accepted cut-off value for IgAD deficiency has not yet been established. We performed an extensive screen of serum IgA concentrations in more than 1,500 dogs from 22 breeds. Dog breed-specific differences in the prevalence of IgAD indicate the involvement of genetic factors in the development of the disease. Furthermore, certain dog breeds were found to stand out as high-risk breeds. Genome-wide association studies (GWAS) in selected high-risk breeds show that IgAD is associated with genes involved in B cell development and haematopoiesis. Additionally, serum IgA concentrations were found to play an important role in the aetiology of canine atopic dermatitis (CAD), an autoimmune disease in dogs. Molecular identity allowed the quantification of IgA in serum samples from Canadian and Scandinavian wolves with the same antibodie

Selective IgA deficiency (IgAD) is the most common primary immunodeficiency disorder in Caucasians and is defined as serum IgA concentrations below or equal to 0.07 g/l, with normal serum concentrations of IgM and IgG, in individuals 4 years of age or older. The prevalence of IgAD is approximately 1:600 in the general population and recent results have shown that patients with IgAD have significantly poorer physical health and an increased risk of early death. The domestic dog is more than just a companion and working animal. The almost 400 distinct modern dog breeds represent great phenotypical diversity and there are more than 350 naturally occurring genetic diseases in dogs which clinically resemble the corresponding human diseases. As a result of domestication, the dog’s genome is characterised by long haplotype blocks and linkage disequilibrium (LD) making the dog an appealing model for genetic studies of human diseases. Low serum IgA concentrations in dogs have been reported to clinically resemble human IgAD. However, even though the literature on IgA concentrations in dogs is extensive, the normal range of serum IgA as well as a generally accepted cut-off value for IgAD deficiency has not yet been established. We performed an extensive screen of serum IgA concentrations in more than 1,500 dogs from 22 breeds. Dog breed-specific differences in the prevalence of IgAD indicate the involvement of genetic factors in the development of the disease. Furthermore, certain dog breeds were found to stand out as high-risk breeds. Genome-wide association studies (GWAS) in selected high-risk breeds show that IgAD is associated with genes involved in B cell development and haematopoiesis. Additionally, serum IgA concentrations were found to play an important role in the aetiology of canine atopic dermatitis (CAD), an autoimmune disease in dogs. Molecular identity allowed the quantification of IgA in serum samples from Canadian and Scandinavian wolves with the same antibodie

Selective IgA deficiency (IgAD) is the most common primary immunodeficiency disorder in Caucasians and is defined as serum IgA concentrations below or equal to 0.07 g/l, with normal serum concentrations of IgM and IgG, in individuals 4 years of age or older. The prevalence of IgAD is approximately 1:600 in the general population and recent results have shown that patients with IgAD have significantly poorer physical health and an increased risk of early death. The domestic dog is more than just a companion and working animal. The almost 400 distinct modern dog breeds represent great phenotypical diversity and there are more than 350 naturally occurring genetic diseases in dogs which clinically resemble the corresponding human diseases. As a result of domestication, the dog’s genome is characterised by long haplotype blocks and linkage disequilibrium (LD) making the dog an appealing model for genetic studies of human diseases. Low serum IgA concentrations in dogs have been reported to clinically resemble human IgAD. However, even though the literature on IgA concentrations in dogs is extensive, the normal range of serum IgA as well as a generally accepted cut-off value for IgAD deficiency has not yet been established. We performed an extensive screen of serum IgA concentrations in more than 1,500 dogs from 22 breeds. Dog breed-specific differences in the prevalence of IgAD indicate the involvement of genetic factors in the development of the disease. Furthermore, certain dog breeds were found to stand out as high-risk breeds. Genome-wide association studies (GWAS) in selected high-risk breeds show that IgAD is associated with genes involved in B cell development and haematopoiesis. Additionally, serum IgA concentrations were found to play an important role in the aetiology of canine atopic dermatitis (CAD), an autoimmune disease in dogs. Molecular identity allowed the quantification of IgA in serum samples from Canadian and Scandinavian wolves with the same antibodie

Selective IgA deficiency (IgAD) is the most common primary immunodeficiency disorder in Caucasians and is defined as serum IgA concentrations below or equal to 0.07 g/l, with normal serum concentrations of IgM and IgG, in individuals 4 years of age or older. The prevalence of IgAD is approximately 1:600 in the general population and recent results have shown that patients with IgAD have significantly poorer physical health and an increased risk of early death. The domestic dog is more than just a companion and working animal. The almost 400 distinct modern dog breeds represent great phenotypical diversity and there are more than 350 naturally occurring genetic diseases in dogs which clinically resemble the corresponding human diseases. As a result of domestication, the dog’s genome is characterised by long haplotype blocks and linkage disequilibrium (LD) making the dog an appealing model for genetic studies of human diseases. Low serum IgA concentrations in dogs have been reported to clinically resemble human IgAD. However, even though the literature on IgA concentrations in dogs is extensive, the normal range of serum IgA as well as a generally accepted cut-off value for IgAD deficiency has not yet been established. We performed an extensive screen of serum IgA concentrations in more than 1,500 dogs from 22 breeds. Dog breed-specific differences in the prevalence of IgAD indicate the involvement of genetic factors in the development of the disease. Furthermore, certain dog breeds were found to stand out as high-risk breeds. Genome-wide association studies (GWAS) in selected high-risk breeds show that IgAD is associated with genes involved in B cell development and haematopoiesis. Additionally, serum IgA concentrations were found to play an important role in the aetiology of canine atopic dermatitis (CAD), an autoimmune disease in dogs. Molecular identity allowed the quantification of IgA in serum samples from Canadian and Scandinavian wolves with the same antibodie