A Simple Restriction Fragment Length Polymorphism-Based Method for Multiplex Testing of Thrombosis Risk Factors FV

Philippe de Mazancourt1,2,3, Sylvie Grey1, Elise Alabre1

  • 1Laboratory of Biochemistry and Molecular Genetics, Ambroise Paré Hospital, GHU APHP-Université Paris-Saclay, F-92100 Boulogne-Billancourt, France.

Factor V (FV) Leiden and F2 G20210A are inherited genetic risk factors that are in the first line of laboratory tests for thromboembolic diseases. Their detection relies on PCR assays, which are subject to contamination, as well as pipetting error, when manually performed and require individual assays for each gene. In this article, we report an improved PCR and restriction endonuclease assay for the simultaneous detection of the FV Leiden and F2 G20210A variants, based on multiplex amplification with fluorescent primers, digestion control, identity monitoring, and contamination tracking.

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