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Rapid detection of factor V Leiden (FVQ506) by non-radioactive single strand conformation polymorphism (SSCP)
V R Arruda1, P M von Zuben, J M Annichino-Bizzachi
1Hematology-Hemotherapy Center, State University of Campinas, UNICAMP, SP, Brazil.
The transition G-->A at position 506 of the factor V gene is responsible for resistance to the anticoagulant effect of activated protein C (APC-resistance), and represents the most common hereditary risk factor for venous thrombosis. A comparison of the ability of non-radioactive single-strand conformation polymorphism (SSCP) and of a standard PCR procedure followed by further digestion with MnlI to detect this factor V gene (FVQ 506) transition indicates that these is a good agreement between the two methods. Non-radioactive SSCP analysis therefore represents a rapid and sensitive alternative for the diagnosis of this important point mutation.
The transition G-->A at position 506 of the factor V gene is responsible for resistance to the anticoagulant effect of activated protein C (APC-resistance), and represents the most common hereditary risk factor for venous thrombosis. A comparison of the ability of non-radioactive single-strand conformation polymorphism (SSCP) and of a standard PCR procedure followed by further digestion with MnlI to detect this factor V gene (FVQ 506) transition indicates that these is a good agreement between the two methods. Non-radioactive SSCP analysis therefore represents a rapid and sensitive alternative for the diagnosis of this important point mutation.