Peer-reviewed veterinary case report
Gene changes linked to vaccine sarcoma risk in cats
By Banerji, Nilanjana et al.·Published in The Journal of heredity·2007·the Department of Medicine, United States·View original on PubMed →
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Original publication title: Association of germ-line polymorphisms in the feline p53 gene with genetic predisposition to vaccine-associated feline sarcoma.
- Species:
- cat
Plain-English summary
A group of domestic short hair cats diagnosed with vaccine-associated feline sarcoma (VAFS) was studied to understand if certain genetic markers in the p53 gene could indicate a higher risk for this condition. Researchers found a strong link between VAFS and specific changes in the DNA sequence of the p53 gene, particularly a notable insertion in one part of the gene. This genetic marker could help veterinarians identify healthy cats that might be at greater risk for developing VAFS in the future.
People also search for: cat vaccine-associated sarcoma risk · feline p53 gene testing · domestic short hair cat cancer risk
Abstract
A case-control study was conducted in order to investigate the association of polymorphisms in the genomic sequence of the feline p53 gene with a predisposition to vaccine-associated feline sarcoma (VAFS). In the study, 50 domestic short hair cats with a confirmed histopathologic diagnosis of VAFS were matched to disease-free controls (1:2) by age, sex, and breed. Cats from both the diseased (case) and control groups were also negative for feline leukemia virus and feline immunodeficiency virus. Germ-line DNA was prepared from blood samples from cats in both groups and analyzed for sequence variation at 8 polymorphic sites in the p53 gene. A strong association was found between VAFS and the presence of specific nucleotides at 2 of the polymorphic sites. The strongest association was observed for a single-base insertion in intron 7 of the gene with an odds ratio of 8.99 (95% confidence interval = 3.42-23.57, P < 0.0001). The results of the study indicate that analysis of the presence or absence of the identified genetic markers in apparently healthy disease-free cats may help in predicting which individual animals are at greater risk of developing the disease.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/17641147/