Abstract
The aim of this study was to detect the genetic alterations in the Factor 8 gene in 26 patients from Western Algeria. We detected the presence of “intron 22 inversion” with long-range polymerase chain reaction (PCR). Negative patients for this inversion were analyzed for “intron 1 inversion” using multiplex PCR. Patients who were negative for both inversions were analyzed using a direct sequencing. Deleterious effects of novel mutations on protein were assayed with bioinformatics tools. Causing mutations were identified in 85.71% of the families, including 11 “intron 22 inversion,” 1 “intron 1 inversion,” and 6 different point mutations (2 nonsense, 1 splice site, and 3 missense mutations). Among these mutations, c.2189G > A (p.Cys711Tyr) and c.5219+1G>T are novel. This is the first study that reports spectrum of mutations in the Factor 8 gene in the Western Algerian population. Knowledge of these mutations is important for genetic counseling and medical care of affected families.
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