KHẢO SÁT YẾU TỐ V LEIDEN TRÊN BỆNH NHÂN HUYẾT KHỐI TĨNH MẠCH

Nguyen Duc Bach, Hoang Anh Vu, Pham Van Dung, Nguyen Hoai Nam

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Abstract

Introduction: Factor V Leiden is the most common inherited cause of thormbosis in Cacausian population, but predicted rare in color population. In Vietnamesepeople, however, there is no report of factor V Leiden in the medical literature.
Aim: Detecting the factor V Leiden in thrombosis patients by using Sanger sequencing method. Patients and methods: The exon 10 of F5 gene, which contents G1691A mutation –factor V Leiden - was cloned by polymerase chain reaction (PCR), and sequenced by ABI 3130 Genetic Analyzer system. First, a DNA sequencing protocol was established based on known positive factor V Leiden samples. Then, this technique was used to screen for factor V Leiden on 70 thrombosis patients and 180 people in control group.
Results: The established DNA sequencing method accurately detected factor V Leiden frompositive samples with heterozygous and homozygous alleles. There was no factor V Leiden detected in the 250 individuals in this study.
Conclution: In Vietnamese patients, factor V Leiden is not the cause of venous thrombosis.

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References

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