A novel missense mutation in the factor XII gene in a litter of cats with factor XII deficiency
Copyright policy )A novel missense mutation in the factor XII gene in a litter of cats with factor XII deficiency
The feline F12 gene was examined to identify a mutation associated with coagulation factor XII (FXII) deficiency in a litter of 6 cats, including 2 cats with severely reduced FXII activity (7.1 and 9.3%, respectively) and 4 cats with moderately reduced FXII activity (range 36.0 to 46.3%). Cats with severely reduced FXII activity were homozygous for a G to C missense mutation in exon 13 of the F12 gene, resulting in an amino acid change (p.G544A). Cats with moderately reduced FXII activity were heterozygous for this mutation. Expression studies revealed reduced secretion of p.G544A mutant FXII protein from transfected HEK293 cells compared with wild type FXII. These results reveal a novel F12 mutation in FXII deficient cats and define the underlying mechanism for low FXII activity in homozygotes.
- Nihon University Japan
- Nihon Bunka University Japan
Male, Factor XII Deficiency, factor XII, DNA Mutational Analysis, cat, Cat Diseases, HEK293 Cells, Mutation, Internal Medicine, Cats, Animals, Humans, Female, mutation
Male, Factor XII Deficiency, factor XII, DNA Mutational Analysis, cat, Cat Diseases, HEK293 Cells, Mutation, Internal Medicine, Cats, Animals, Humans, Female, mutation
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