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Updated: May 21, 2026

Employing Digital Droplet PCR to Detect BRAF V600E Mutations in Formalin-fixed Paraffin-embedded Reference Standard Cell Lines
Published on: October 8, 2015
BRAFV600E mutation does not mean distant metastasis in thyroid papillary carcinomas.
Valentina Sancisi1, Davide Nicoli, Moira Ragazzi
1Laboratory of Molecular Biology, Department of Oncology, Arcispedale S. Maria Nuova, Azienda Ospedaliera-Instituto di Ricovero e Cura a Carattere Scientifico, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
The BRAFV600E mutation is not linked to distant metastases in papillary thyroid carcinoma (PTC). This finding suggests BRAFV600E may not predict aggressive behavior or fatal outcomes in PTC patients.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- The BRAFV600E mutation is often linked to aggressive papillary thyroid carcinomas (PTC).
- Existing data on this association are inconsistent.
- The relationship between BRAFV600E and distant metastasis in PTC is not well understood.
Purpose of the Study:
- To investigate the association between the BRAFV600E mutation and the development of distant metastases in PTC.
- To determine if BRAFV600E mutation can predict aggressive behavior or fatal outcomes in PTC.
Main Methods:
- Direct sequencing was used to analyze BRAFV600E mutation frequency.
- A cohort of 47 highly aggressive PTC with distant metastases was studied.
- A control group of 75 PTC without distant metastases and with a minimum 7-year disease-free follow-up was analyzed.
Main Results:
- The BRAFV600E mutation was found in 29.8% of metastatic PTC.
- The mutation was detected in 44.0% of the control group (non-metastatic PTC).
- These frequencies indicate a lower prevalence of BRAFV600E in metastatic tumors compared to non-metastatic ones.
Conclusions:
- The BRAFV600E mutation is not associated with the development of distant metastases in PTC.
- BRAFV600E mutation does not appear to predict a fatal outcome in PTC.
- The BRAFV600E mutation may not be a reliable indicator of aggressive behavior in papillary thyroid carcinoma.
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