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Ref Type | Journal Article | ||||||||||||
PMID | (15294323) | ||||||||||||
Authors | Jarry A, Masson D, Cassagnau E, Parois S, Laboisse C, Denis MG | ||||||||||||
Title | Real-time allele-specific amplification for sensitive detection of the BRAF mutation V600E. | ||||||||||||
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Abstract Text | BRAF is a cytoplasmic serine/threonine kinase in the MAPK pathway that transduces signals from RAS family members to MEK1/2. Mutations in the BRAF gene have been described in the majority of cutaneous melanomas, papillary thyroid carcinoma and to a lesser extent in other cancers. The predominant mutation reported is a single transversion in exon 15 (T1799A). We designed a real-time allele-specific PCR to detect this mutation. This assay allowed us to detect this alteration in samples containing 2% of cells harboring this mutation, which is equivalent to 1% mutated DNA, assuming heterozygosity for the allele. Using this assay, we then tested 44 human primary colorectal tumors. We found the V600E mutation in four samples (9.1%). Analysis of DNA extracted from paraffin-embedded sections gave similar results, indicating that archived tissues can also be analyzed using this assay. The advantages of this method include: (1) rapidity; (2) sensitivity; (3) ease; (4) large throughput; (5) low cost and (6) the small quantities of DNA needed. |
Molecular Profile | Treatment Approach |
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Therapy Name | Drugs | Efficacy Evidence | Clinical Trials |
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Gene | Variant | Impact | Protein Effect | Variant Description | Associated with drug Resistance |
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Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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BRAF V600E | colorectal cancer | sensitive | CCT196969 | Preclinical - Cell culture | Actionable | In a preclinical study, CCT196969 inhibited growth of BRAF-mutant colorectal cancer cell lines in culture (PMID: 25500121), which have been reported to harbor BRAF V600E (PMID: 15294323). | 25500121 15294323 |
BRAF V600E | colorectal cancer | sensitive | CCT241161 | Preclinical | Actionable | In a preclinical study, CCT241161 inhibited growth of colorectal cancer cell lines harboring BRAF V600E in culture (PMID: 25500121, PMID: 15294323). | 25500121 15294323 |