Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Permanent URI for this collectionhttps://hdl.handle.net/11147/7148
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Article The Effectiveness of Genetic Markers and the Role of Environmental Factors in Hip Dysplasia and Osteochondritis Dissecans of the Shoulder in German Shepherd, Labrador Retriever, and German Wirehaired Pointer (Deutsch Drahthaar) Dogs(Elsevier, 2025) Ardicli, Sena; Yigitgor, Pelin; Ozen, Dogukan; Babayev, Huseyn; Bozkurt, Berkay; Senturk, Nursen; Intas, Deniz SeyrekCanine Hip Dysplasia (CHD) is the most frequently diagnosed orthopedic condition in dogs. Similar to CHD, osteochondritis dissecans (OCD) of the shoulder is a developmental disorder in dogs that significantly impacts animal welfare. As polygenic genetic disorders, they exhibit a complex mode of inheritance. Although there are numerous clinical studies, there is insufficient information about the genetic basis of these disorders. Therefore, this study aimed to assess the relationship of the prognostic genetic test markers with CHD and OCD in German Shepherd, Labrador Retriever, and German Wirehaired Pointer dogs. We evaluated the efficiency of five SNP markers from the prognostic genetic test for CHD (the Dysgen test) based on available GWAS data in German Shepherd, Labrador Retriever, and German Wirehaired Pointer dogs. Radiographs were captured and assessed according to the official FCI scale for hip dysplasia. In German Wirehaired Pointers, shoulder X-ray evaluations were also performed. We used custom FRET-based primer probes in Real-time PCR and Sanger sequencing for genotyping and tested the evaluation using multiple logistic regression procedures. German shepherds emerged as the most vulnerable to CHD (P < 0.001). In the final logistic model, females are expected to have a 3.54 times higher likelihood of experiencing CHD compared to males (P < 0.05). SNP BICF2G630558239 demonstrated a notable association with CHD, indicating that the GG genotype poses a risk. This SNP is situated in the intronic region of the KIF26B gene, a member of the kinesin superfamily implicated in evolutionarily conserved roles in embryogenesis. We did not observe any association between shoulder OCD-related arthrosis and the SNPs studied. These results may contribute to understanding CHD by identifying genotypes associated with epidemiological risk, prompting the need to conduct more thorough investigations.Article Citation - WoS: 2Citation - Scopus: 2The Markers of the Predictive Dna Test for Canine Hip Dysplasia May Have a Stronger Relationship With Elbow Dysplasia(Cell Press, 2024) Ardicli, Sena; Yigitgor, Pelin; Babayev, Huseyn; Ozen, Dogukan; Bozkurt, Berkay; Senturk, Nursen; Intas, Deniz SeyrekCanine hip and elbow dysplasias, which are prevalent orthopedic conditions rooted in developmental and hereditary factors are yet to be comprehensively assessed. This study aimed to address this gap by exploring the prognostic significance of five markers linked to canine hip dysplasia using available genome-wide association studies (GWAS) data. The influence of these markers on both hip and elbow dysplasia was examined in dogs exposed to standardized environmental conditions. We made a groundbreaking discovery using custom primers, qPCR assays, and evaluation of fluorescent resonance energy transfer (FRET) probes. Three specific SNPs previously associated with the risk of canine hip dysplasia demonstrated a potentially stronger correlation with elbow dysplasia. Notably, the SNP at nucleotide position 22691322, located near the canine CHST3 gene, displayed significance as a marker in multivariable logistic regression analysis. Surprisingly, none of the initially targeted SNPs showed a direct association with hip dysplasia. The genomic positions of these SNPs reside within a region conserved across mammals. In silico analyses suggested that the relevant variant might be positioned in a region linked to bone and muscle structures. Our findings revealed a remarkable relationship between SNP2 genotypes and methylation patterns, shedding light on the underlying mechanism that partially explains the genotype-phenotype correlation in canine CHST3. These groundbreaking findings offer essential insights for future, more extensive investigations into canine orthopedic health. This research significantly contributes to our understanding of the molecular foundations of hip and elbow dysplasia in dogs by charting a course for advancements in veterinary medicine and the overall well-being of canine companions.Article Citation - WoS: 1Citation - Scopus: 2The Impact of Genetic Variants Related To the Fatty Acid Metabolic Process Pathway on Milk Production Traits in Jersey Cows(Taylor & Francis inc, 2024) Ardicli, Sena; Senturk, Nursen; Bozkurt, Berkay; Babayev, Huseyn; Selvi, Tugce; Skolnick, Stephen; Cobanoglu, OzdenThe synthesis of fatty acids plays a critical role in shaping milk production characteristics in dairy cattle. Thus, identifying effective haplotypes within the fatty acid metabolism pathway will provide novel and robust insights into the genetics of dairy cattle. This study aimed to comprehensively examine the individual and combined impacts of fundamental genes within the fatty acid metabolic process pathway in Jersey cows. A comprehensive phenotypic dataset was compiled, considering milk production traits, to summarize a cow's productivity across three lactations. Genotyping was conducted through PCR-RFLP and Sanger sequencing, while the association between genotype and phenotype was quantified using linear mixed models. Moderate biodiversity and abundant variation suitable for haplotype analysis were observed across all examined markers. The individual effects of the FABP3, LTF and ANXA9 genes significantly influenced both milk yield and milk fat production. Additionally, this study reveals novel two-way interactions between genes in the fatty acid metabolism pathway that directly affect milk fat properties. Notably, we identified that the GGAAGG haplotype in FABP3xLTFxANXA9 interaction may be a robust genetic marker concerning both milk fat yield and percentage. Consequently, the genotype combinations highlighted in this study serve as novel and efficient markers for assessing the fat content in cow's milk. [GRAPHICS]