Wild-type blocking polymerase chain reaction for detection of single nucleotide minority mutations from clinical specimens.

Abstract excerpt

Detection and sequencing of mutations from clinical specimens is often complicated by the presence of an excess of nonmutated cells. To facilitate the detection and sequencing of minority mutations from clinical specimens, we developed wild-type blocking polymerase chain reaction (WTB-PCR). This technique allows sensitive detection of minority mutations in a tissue sample containing excess wild-type DNA. In...

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