Analysis of Single Nucleotide Polymorphism (SNP) rs22114085 Associated with Canine Atopic Dermatitis by PCR-RFLP Method
Keywords:
canine atopic dermatitis, dog, PCR-RFLP, rs22114085, SNPAbstract
Canine atopic dermatitis (cAD) is a common inflammatory skin disease that is considered to be a naturally occurring, spontaneous model of human atopic dermatitis (eczema). The aim of the paper was to identify of the SNP rs22114085 in different dog breeds. The material involved 52 dogs from 5 different breeds. Canine genomic DNA was isolated from saliva by modified method with using DNAzol® and linear polyacrylamide (LPA) carrier and from blood by using commercial kit NucleospinBlood and used in order to estimate rs22114085 SNP genotypes by PCR-RFLP method. The PCR products were digested with DdeI restriction enzyme. The C allele was distributed in Czech Pointer, Chihuahua, German Wirehaired Pointer with an allele frequency ranging from 0.4545 to 1.00. In the population of Czech Pointer we detected all genotypes CC, CT and TT with frequency in male 0.25, 0.5833 and 0.1667, and in female 0.2728, 0.3636 and 0.3636, subsequently. In German Wirehaired Pointer was detected homozygote genotype CC in male and heterozygote genotype CT in female with frequency 1 and 1. In Chihuahua was observed homozygote genotype CC and heterozygote genotype CT with frequency 0.3333 and 0.6667, subsequently. In Golden retriever and Pincher we detected genotype TT with frequency 1.
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