High frequency of BRAF mutations in nevi

To evaluate the timing of mutations in BRAF (v-raf murine sarcoma viral oncogene homolog B1) during melanocytic neoplasia, we carried out mutation analysis on microdissected melanoma and nevi samples. We observed mutations resulting in the V599E amino-acid substitution in 41 of 60 (68%) melanoma met...

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Veröffentlicht in:Nature genetics 2003-01, Vol.33 (1), p.19-20
Hauptverfasser: Pollock, Pamela M., Harper, Ursula L., Hansen, Katherine S., Yudt, Laura M., Stark, Mitchell, Robbins, Christiane M., Moses, Tracy Y., Hostetter, Galen, Wagner, Urs, Kakareka, John, Salem, Ghadi, Pohida, Tom, Heenan, Peter, Duray, Paul, Kallioniemi, Olli, Hayward, Nicholas K., Trent, Jeffrey M., Meltzer, Paul S.
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container_issue 1
container_start_page 19
container_title Nature genetics
container_volume 33
creator Pollock, Pamela M.
Harper, Ursula L.
Hansen, Katherine S.
Yudt, Laura M.
Stark, Mitchell
Robbins, Christiane M.
Moses, Tracy Y.
Hostetter, Galen
Wagner, Urs
Kakareka, John
Salem, Ghadi
Pohida, Tom
Heenan, Peter
Duray, Paul
Kallioniemi, Olli
Hayward, Nicholas K.
Trent, Jeffrey M.
Meltzer, Paul S.
description To evaluate the timing of mutations in BRAF (v-raf murine sarcoma viral oncogene homolog B1) during melanocytic neoplasia, we carried out mutation analysis on microdissected melanoma and nevi samples. We observed mutations resulting in the V599E amino-acid substitution in 41 of 60 (68%) melanoma metastases, 4 of 5 (80%) primary melanomas and, unexpectedly, in 63 of 77 (82%) nevi. These data suggest that mutational activation of the RAS/RAF/MAPK pathway in nevi is a critical step in the initiation of melanocytic neoplasia but alone is insufficient for melanoma tumorigenesis.
doi_str_mv 10.1038/ng1054
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Psychology ; Gene Frequency ; Gene Function ; Gene mutations ; Genetic aspects ; Genetic Predisposition to Disease ; Genetic screening ; Health aspects ; Human Genetics ; Humans ; Identification and classification ; Medical sciences ; Melanoma ; Melanoma - genetics ; Melanoma - pathology ; Metastasis ; Methods ; Molecular and cellular biology ; Molecular genetics ; Mutagenesis. Repair ; Mutation ; Mutation, Missense - genetics ; Nevus - genetics ; Nevus - pathology ; Oncogene Proteins v-raf - chemistry ; Oncogene Proteins v-raf - genetics ; Polymerase Chain Reaction ; Risk factors ; Sarcoma ; Signal Transduction ; Tumors of the skin and soft tissue. 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source MEDLINE; Springer Nature - Complete Springer Journals; Nature
subjects Agriculture
Animal Genetics and Genomics
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Biopsy
brief-communication
Cancer Research
Cell Transformation, Neoplastic - genetics
Complications and side effects
Dermatology
DNA Mutational Analysis
Fundamental and applied biological sciences. Psychology
Gene Frequency
Gene Function
Gene mutations
Genetic aspects
Genetic Predisposition to Disease
Genetic screening
Health aspects
Human Genetics
Humans
Identification and classification
Medical sciences
Melanoma
Melanoma - genetics
Melanoma - pathology
Metastasis
Methods
Molecular and cellular biology
Molecular genetics
Mutagenesis. Repair
Mutation
Mutation, Missense - genetics
Nevus - genetics
Nevus - pathology
Oncogene Proteins v-raf - chemistry
Oncogene Proteins v-raf - genetics
Polymerase Chain Reaction
Risk factors
Sarcoma
Signal Transduction
Tumors of the skin and soft tissue. Premalignant lesions
title High frequency of BRAF mutations in nevi
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