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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Häfliger, Irene M. Sickinger, Marlene Holsteg, Mark Raeder, Leif M. Henrich, Manfred Marquardt, Siegfried Drögemüller, Cord Lühken, Gesine |
| Abstract | Background Skin lesions and dermatoses in cattle are often associated with infections due to bacteria, fungi or environmental risk factors. Dermatoses with genetic etiology have been described in cattle. Among these rare disorders, there are primary congenital dermatoses that are associated with inherited nutritional deficiencies, such as bovine hereditary zinc deficiency or zinc deficiency-like syndrome. This study presents three cases of Holstein cattle with congenital skin lesions observed on a single farm that resemble zinc deficiency-like syndrome. Close clinical and pathological examinations took place in two cases. Pedigree analysis indicated autosomal recessive inheritance and whole-genome sequencing of both affected calves was performed. Results The two calves showed retarded growth and suffered from severe ulcerative dermatitis with hyperkeratosis, alopecia furunculosis and subcutaneous abscess formation. Blood analysis showed correspondent leukocytosis with neutrophilia whereas minerals, macro- and micronutrients were within the reference ranges. Variant calling and filtering against the 1000 Bull Genomes variant catalogue resulted in the detection of a single homozygous protein-changing variant exclusively present in both sequenced genomes. This single-nucleotide deletion in exon 3 of IL17RA on bovine chromosome 5 was predicted to have a deleterious impact on the encoded protein due to a frameshift leading to a truncated gene product. Genotyping of the affected cattle family confirmed recessive inheritance. Conclusions A loss-of-function mutation of the IL17RA transmembrane protein could be identified as most likely pathogenic variant for the psoriasis-like skin alterations observed in the two affected Holstein calves. In man, rare recessive diseases associated with IL17RA include immunodeficiency 51 and chronic mucocutaneous candidiasis. This supports the observed immunodeficiency of the presented cases. This study reports the first naturally occurring IL17RA-associated animal model. |
| Related Links | https://bmcgenomdata.biomedcentral.com/counter/pdf/10.1186/s12863-020-00860-4.pdf |
| Ending Page | 10 |
| Page Count | 10 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 27306844 |
| DOI | 10.1186/s12863-020-00860-4 |
| Journal | BMC Genomic Data |
| Issue Number | 1 |
| Volume Number | 21 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2020-05-24 |
| Access Restriction | Open |
| Subject Keyword | Life Sciences Animal Genetics and Genomics Microbial Genetics and Genomics Plant Genetics and Genomics Genetics and Population Dynamics Cattle Genetic disorder Monogenic Mendelian Skin disorder Precision medicine Rare disease Interleukin 17 receptor a |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health Informatics Genetics |
| Journal Impact Factor | 1.9/2023 |
| 5-Year Journal Impact Factor | 1.9/2023 |
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