Aim: The objective of this study was to uncover new candidate genes related to patellar luxation (PL) in dogs to select for those with low susceptibility for breeding purposes.
Materials And Methods: The inter simple sequence repeat (ISSR) technique was performed to construct DNA fingerprints of 61 Chihuahua dogs with PL and 30 healthy Chihuahua dogs. DNA polymorphisms were detected by comparing the sequences between the affected and unaffected dogs, using the pairwise alignments in MultAlin. Genotyping was performed using allele-specific polymerase chain reaction (AS-PCR). The association analysis of ISSR DNA fingerprints and genotypes or phenotypes was performed using the Chi-square ( ) model and generalized linear model (GLM), respectively.
Results: Two single nucleotide polymorphisms (SNPs), namely SNP1UBC811 (g.91175C>G) and SNP2UBC811 (g.92259T>C), were found in the intron of the () gene, which was obtained using the PL-related marker UBC811 primer (p=0.02), and genotyped by AS-PCR. When investigated using the GLM, g.91175C>G had a significant association with PL (p=0.0424), whereas g.92259T>C did not have such an association (p=0.0959).
Conclusion: might be one of the genes related to PL in Chihuahuas and could aid the process of marker-assisted selection in genetic breeding for Chihuahua dogs without PL.
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http://dx.doi.org/10.14202/vetworld.2018.1277-1284 | DOI Listing |
Animals (Basel)
January 2025
WeYouVets, Ingrave, Essex CM13 3NU, UK.
Chronic coughing is a common complaint in small animal medicine and it has an extensive differential diagnosis with very different treatment and prognosis. Coughing is considered chronic when it lasts at least 8 weeks. This retrospective study aimed to describe the most common causes of chronic coughing in a population of dogs that presented to a referral hospital in England between January 2012 and December 2021.
View Article and Find Full Text PDFVet Sci
January 2025
Department of Veterinary Surgery, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria.
Abnormal trochlear morphology is one of the most important factors for patellar luxation occurrence in dogs, yet no studies have investigated its prevalence in the general population. This retrospective computed tomography study was designed to evaluate the trochlear groove morphology in four small dog breeds and the prevalence of trochlear dysplasia types according to Déjour's classification depending on the breed, sex, and medial patellar luxation (MPL) presence and grade. A total of 174 joints (68 healthy, 96 grade II MPL, and 10 grade III MPL) from Mini-Pinschers, Yorkshire Terriers, Pomeranians, and Chihuahuas were included in the study.
View Article and Find Full Text PDFJ Am Anim Hosp Assoc
January 2025
From Neuro Vets Animal Neurology Clinic, Kyoto, Kyoto, Japan (K.H., Y.N., M.N.).
A 5 yr old chihuahua presented to our clinic with a complaint of decreased activity and focal seizures. Based on the findings of MRI and computed tomography, a primary brain tumor originating from the right frontal lobe region was suspected. Surgical resection was performed, and a diagnosis of histiocytic sarcoma was made via histopathological examination and immunohistochemical staining.
View Article and Find Full Text PDFBMC Vet Res
November 2024
Department of Veterinary Medicine and Animal Science, Università degli Studi di Milano, Via dell'Università 6, 26900, Lodi, Italy.
Background: Chihuahua represents an increasingly widespread breed predisposed to cardiac disease. N-terminal pro-B-type natriuretic peptide (NT-proBNP) might be a useful point-of-care biomarker for dogs suspected of having heart disease, but breed differences have been reported. The urinary aldosterone-to-creatinine ratio (UAldo: C) appears to be a good indicator of renin-angiotensin-aldosterone system activity in dogs, but Chihuahuas showed significantly higher UAldo: C than other breeds.
View Article and Find Full Text PDFJ Am Anim Hosp Assoc
November 2024
From the Department of Small Animal Clinical Sciences (D.B.A., A.H.), University of Florida, Gainesville, Florida.
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