Journal
ANALYTICAL BIOCHEMISTRY
Volume 389, Issue 1, Pages 74-76Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ab.2009.03.021
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Cytochrome P450 2D6 (CYP2D6) copy number variation (CNV) influences the metabolism of 15-25% of clinical drugs. Here we describe a novel multiplex polymerase chain reaction (PCR) analysis method that accurately detects CYP2D6 CNV and CYP2D6*9 allele. It includes the amplification of 2 CYP2D6 and 7 control (AQP1, CYP3A4, MDR1, and SDHB) fluorescent PCR products that are separated on a capillary sequencer and normalized using reference samples. The technique was validated using 27 PCR-restriction fragment length polymorphism (RFLP) pregenotyped samples and further tested in 75 Caucasian samples. The method assigns the correct CYP2D6 copy number, independent of already characterized CYP2D6 single nucleotide polymorphisms (SNPs), and could easily be applied to clinical samples. (C) 2009 Elsevier Inc. All rights reserved.
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