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A multiplex assay to detect variations in the CYP2C9, VKORC1, CYP4F2 and APOE genes involved in acenocoumarol metabolism.


Clin Biochem. 2012 Aug 11;


Authors: López-Parra AM, Borobia AM, Baeza C, Arroyo-Pardo E, Carcas AJ


Abstract

OBJECTIVES: We have developed a genotyping system to determine the alleles of genes related to interindividual variability in acenocoumarol dosage requirements. This genotyping system is intended for routine clinical use and therefore it is essential that it be simple, fast and inexpensive. DESIGN AND METHODS: We developed a PCR multiplex SNaPshot reaction that targets 6 SNPs (single nucleotide polymorphisms) in CYP2C9, CYP4F2, VKORC1 and APOE genes, which are associated with acenocoumarol dose requirements. RESULTS: We tested the multiplex in 152 samples and found it to be 100% concordant with the results of other methods. CONCLUSIONS: We successfully produced a reliable multiplex system for simultaneously typing 6 SNPs. This system may be used as a model for accurate, simple and inexpensive genotyping of SNPs related to dose requirements. This information allows the prediction of drug efficiency in patients prior to treatment with acenocoumarol and the prevention of adverse drug reactions.

PMID: 22917719 [PubMed - as supplied by publisher]