Somatic mutations in tumor and plasma of locoregional recurrent and/or metastatic head and neck cancer using a next-generation sequencing panel: A preliminary study
Autor
Rapado-González, Óscar
Brea-Iglesias, Jenifer
Rodríguez-Casanova, Aitor
Bao-Caamano, Aida
López-Cedrún, José-Luis
Triana-Martínez, Gabriel
Díaz-Peña, Roberto
Santos, María Arminda
López-López, Rafael
Muinelo-Romay, Laura
Martínez-Fernández, Mónica
Díaz-Lagares, Ángel
Suárez-Cunqueiro, María Mercedes
Resumen
Background: We explore the utility of TruSight Tumor 170 panel (TST170) for detecting somatic mutations in tumor and cfDNA from locoregional recurrent and/or metastatic head and neck squamous cell carcinoma (HNSCC). Methods: Targeted NGS of tumor DNA and plasma cfDNA was performed using TST170 panel. In addition, a set of somatic mutations previously described in HNSCC were selected for validating in tumor, plasma, and saliva by digital droplet PCR. Results: The TST170 panel identified 13 non-synonymous somatic mutations, of which five were detected in tumoral tissue, other five in plasma cfDNA, and three in both tissue and plasma cfDNA. Of the eight somatic mutations identified in tissue, three were also identified in plasma cfDNA, showing an overall concordance rate of 37.5%. Conclusions: This preliminary study shows the possibility to detect somatic mutations in tumor and plasma of HNSCC patients using a single assay that would facilitate the clinical implementation of personalized medicine in the clinic. © 2022 The Authors. Cancer Medicine published by John Wiley & Sons Ltd.
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