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Updated: Jun 28, 2026

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods
Published on: July 17, 2019
Lack of BRAF activating mutations in prostate adenocarcinoma: a study of 93 cases
Ting Liu1, Carlynn Willmore-Payne, Lester J Layfield
1Department of Pathology, University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA. ting.liu@path.utah.edu
Abstract:
Oncogenic activating mutations in the cytosolic serine/threonine kinase, BRAF, have been reported in a variety of neoplasms. BRAF relays signals from membrane-bound RAS downstream through the MAP/ERK (mitogen-activated protein kinase/extracellular signal-regulated kinase) signaling pathway. The presence of BRAF activating mutations suggests the importance of the MAP/ERK kinase pathway for tumor growth and points to possible therapeutic interventions. Recently, BRAF mutations were reported to characterize a series of prostate adenocarcinomas. In this study, we used DNA melting analysis with high-resolution technology to screen a series of 93 prostate carcinomas for BRAF mutations. None were found. This suggests that BRAF mutations may not play an important role in the oncogenesis or therapy of prostate adenocarcinoma.
Insights
BRAF mutations, common in cancers, were investigated in prostate adenocarcinomas. Researchers found no BRAF mutations, suggesting they are not key drivers in prostate cancer development or treatment.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Activating mutations in BRAF, a serine/threonine kinase, drive oncogenesis in various cancers.
- BRAF signaling is crucial for the MAP/ERK kinase pathway, impacting tumor growth.
- Recent reports suggested BRAF mutations in prostate adenocarcinomas, indicating potential therapeutic targets.
Purpose of the Study:
- To investigate the prevalence of BRAF mutations in a cohort of prostate carcinomas.
- To determine the potential role of BRAF mutations in prostate adenocarcinoma oncogenesis and therapeutic strategies.
Main Methods:
- Screening of 93 prostate carcinoma samples for BRAF mutations.
- Utilizing DNA melting analysis with high-resolution technology for mutation detection.
Main Results:
- No BRAF mutations were detected in any of the 93 prostate carcinoma samples analyzed.
- The study found no evidence supporting the role of BRAF mutations in this cohort.
Conclusions:
- BRAF mutations do not appear to be a significant factor in the oncogenesis of prostate adenocarcinoma.
- Targeting BRAF may not be a viable therapeutic strategy for prostate adenocarcinoma based on these findings.
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