Confronting two biomolecular techniques to detect NRF2 gene polymorphism biomarkers

Future Science OA
Pieranna ChiarellaArio de Marco

Abstract

Gene polymorphism biomarkers identify individual susceptibility to environmental and occupational hazards. The conventional approach considers polymerase chain reaction (PCR) followed by restriction fragment length polymorphism analysis (RFLP), a reliable but expensive and time-consuming two-step procedure. Therefore we evaluated the simpler method confronting two-pair primers (CTPP)-PCR for its robustness and applicability to epidemiologic studies. We compared CTPP-PCR and PCR-RFLP techniques to detect two NRF2 polymorphisms in a set of biological samples. CTPP-PCR produced contradictory results and required the orthogonal technique for confirming the data. In contrast to PCR-RFLP, CTPP-PCR of NRF2 polymorphisms resulted in ambiguous genotyping which strongly jeopardized heterozygosis classification. The necessity of long optimization and control procedures nullified the potential advantages of CTPP-PCR in terms of costs and time.

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Methods Mentioned

BETA
genotyping
PCR
electrophoresis
PCRs
of

Software Mentioned

Kalign
PXi4
GenSys

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