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Full-Text Articles in Genetics and Genomics
A Rapid Colorimetric Peptide Nucleic Acid Loop-Mediated Isothermal Amplification Assay For The Detection Of The Idh1 Mutation In Glioblastoma, Edward J. Raack
A Rapid Colorimetric Peptide Nucleic Acid Loop-Mediated Isothermal Amplification Assay For The Detection Of The Idh1 Mutation In Glioblastoma, Edward J. Raack
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The IDH1 mutation is an important diagnostic and prognostic biomarker used to characterize glioblastoma (GBM). Patients harboring the IDH1 mutation have improved overall survival following maximal resection. Knowledge of the IDH1 mutation status allows the surgeon to modify the surgical plan; however, no existing molecular test can provide this information intraoperatively. We designed a novel colorimetric peptide nucleic acid loop-mediated isothermal amplification (PNA-LAMP) method that rapidly detects the IDH1 R132H mutation in GBM. PNA-LAMP amplifies target DNA under isothermal conditions with high specificity and speed. The PNA prevents amplification of wild-type IDH1 DNA, while allowing amplification of the R132H variant …