Preprint Communication Version 1 Preserved in Portico This version is not peer-reviewed

Retrospective Analysis to Optimize the Detection of MET Exon 14 Skipping Mutations in Non-Small Cell Lung Cancer

Version 1 : Received: 16 April 2024 / Approved: 16 April 2024 / Online: 17 April 2024 (11:36:48 CEST)

How to cite: Lu, J.J.; Tsai, S.; Lin, L.; Chueh, T. Retrospective Analysis to Optimize the Detection of MET Exon 14 Skipping Mutations in Non-Small Cell Lung Cancer. Preprints 2024, 2024041062. https://doi.org/10.20944/preprints202404.1062.v1 Lu, J.J.; Tsai, S.; Lin, L.; Chueh, T. Retrospective Analysis to Optimize the Detection of MET Exon 14 Skipping Mutations in Non-Small Cell Lung Cancer. Preprints 2024, 2024041062. https://doi.org/10.20944/preprints202404.1062.v1

Abstract

Our study optimized MET ex14 skipping mutation detection by analyzing 223 Oncomine Focus Assay (OFA)-positive cases using Pan Lung Cancer PCR Panel (AmoyDx) and reverse transcription (RT)-PCR. Among the 11 MET ex14 skipping mutation-positive cases (average read counts: 1,390), two with OFA read counts of 2540 and 10177 were positive on all platforms. Those with OFA read counts ranging from 179–612 tested negative elsewhere. Specimens with low ratios (average ratio: 0.12% for nine cases) may yield false-positive results. Our results suggested monitoring read counts and ratios, and validating results with RT-PCR, is crucial to prevent false positives.

Keywords

METex14; Oncomine Focus Assay; reverse transcription PCR

Subject

Medicine and Pharmacology, Oncology and Oncogenics

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