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Updated: Aug 8, 2026

Employing Digital Droplet PCR to Detect BRAF V600E Mutations in Formalin-fixed Paraffin-embedded Reference Standard Cell Lines
Published on: October 8, 2015
Sequencing analysis of BRAF mutations in human cancers
Richard Wooster1, Andrew P Futreal, Michael R Stratton
1Cancer Genome Project, Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, United Kingdom.
Cancer develops from gene mutations. The RAS-RAF-MEK-ERK-MAP kinase pathway is key, with BRAF gene mutations, particularly V600E, common in many human cancers.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Cancer initiation involves the accumulation of critical gene mutations affecting cell growth, differentiation, and death.
- The RAS-RAF-MEK-ERK-MAP kinase pathway regulates cellular responses to growth signals.
- RAS mutations occur in about 15% of human cancers, activating oncogenic pathways.
Purpose of the Study:
- To investigate the role of RAF kinases in cancer development.
- To identify the frequency and types of RAF gene mutations in human cancers.
Main Methods:
- Analysis of gene mutation data from human cancer samples.
- Focus on mutations within the kinase domain of RAF genes.
Main Results:
- While ARAF and c-RAF mutations are rare, BRAF mutations are prevalent across various human cancers.
- The V600E substitution is the most frequent BRAF mutation, located within the kinase domain.
Conclusions:
- BRAF mutations are a significant driver in a wide spectrum of human cancers.
- The V600E mutation in BRAF is a critical oncogenic event.
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