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Updated: Jun 14, 2025

Oncogenic Gene Fusion Detection Using Anchored Multiplex Polymerase Chain Reaction Followed by Next Generation Sequencing
Published on: July 5, 2019
Unveiling the BRAF fusion structure variations through DNA and RNA sequencing
Qiong Yang1,2, Baoming Wang3, Xuli Meng4
1Center for Plastic & Reconstructive Surgery, Department of Lymphatic surgery and reconstructive microsurgery, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
Next-generation sequencing (NGS) is crucial for detecting BRAF fusions in various cancers, predominantly glioma. Comprehensive molecular profiling and RNA sequencing improve accuracy for targeted BRAF fusion therapies.
Area of Science:
- Oncology
- Genomics
- Molecular Diagnostics
Background:
- Next-generation sequencing (NGS) is vital for detecting BRAF fusions.
- Accurate BRAF fusion identification is essential for comprehensive cancer analysis.
Purpose of the Study:
- To analyze BRAF rearrangements in Chinese cancer patients using DNA and RNA NGS.
- To characterize the structural diversity and transcriptional outcomes of BRAF fusions.
Main Methods:
- DNA NGS was performed on formalin-fixed paraffin-embedded (FFPE) samples.
- RNA NGS was utilized to confirm BRAF fusion transcripts.
- BRAF rearrangements from Chinese cancer patients were analyzed.
Main Results:
- BRAF fusions were identified in diverse cancers, with glioma being predominant (87.8%).
- DNA NGS detected 371 BRAF fusion-positive samples, categorized into common, rare, intergenic, and exonic types.
- RNA NGS confirmed transcriptional consistency for common fusions but revealed varied outcomes for others, including novel fusions in multiple cancer types.
Conclusions:
- Comprehensive molecular profiling and RNA sequencing are essential for accurate BRAF fusion detection.
- Improved NGS panel design can enhance the targeted therapy of BRAF fusion-positive cancers.
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