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Detection of (NAD(P)H:Quinone oxidoreductase-1, EC 1.6.99.2) 609C-->T and 465C-->T polymorphisms in formalin-fixed, paraffin-embedded human tumour tissue using PCR-RFLP

Phillips, Roger M., Basu, S., Brown, J.E., Flannigan, G.M., Loadman, P.M., Martin, S.W., Naylor, B., Puri, R. and Shah, T. K. (2004) Detection of (NAD(P)H:Quinone oxidoreductase-1, EC 1.6.99.2) 609C-->T and 465C-->T polymorphisms in formalin-fixed, paraffin-embedded human tumour tissue using PCR-RFLP. International journal of oncology, 24 (4). pp. 1005-1010. ISSN 1019-6439

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Abstract

NQO1 is a cytosolic flavoprotein that plays a dual role in the detoxification of potentially carcinogenic compounds and the bioreductive activation of quinone based anticancer drugs. Two polymorphic variants of NQO1 exist (NQO1*2 and NQO1*3) which cause significant phenotypic reductions in NQO1 protein content and activity. Current methods for detecting NQO1 polymorphisms commonly use PCR-RFLP techniques and have exclusively used DNA isolated from fresh tissues. This study describes a method that is suitable for analysing NQO1 polymorphisms in genomic DNA isolated from formalin-fixed paraffin-embedded tissue. The method utilises two rounds of PCR amplification using a nested primer strategy that generates specific PCR products followed by RFLP analysis using either Hinf1 (for NQO1*2) or Msp1 (for NQO1*3). Whilst existing methods proved unsatisfactory (low product yield and poor specificity), the nested primer strategy produced good quality PCR products suitable for RFLP analysis and genotyping of NQO1*2 and NQO1*3 in archival tissue samples. The ability to utilise the vast archives of human tissue held by pathology laboratories would be of considerable benefit as retrospective studies comparing NQO1 genotype status, patient history and treatment outcomes could be conducted

Item Type: Article
Subjects: R Medicine > RM Therapeutics. Pharmacology
Schools: School of Applied Sciences
Related URLs:
Depositing User: Roger Phillips
Date Deposited: 14 May 2015 09:44
Last Modified: 14 May 2015 09:44
URI: http://eprints.hud.ac.uk/id/eprint/24463

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