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Comparative analysis of BRAF, NRAS and c- KIT mutation status between tumor tissues and autologous tumor cell-lines of stage III/ IV melanoma.
- Source :
-
Experimental Dermatology . Jan2015, Vol. 24 Issue 1, p70-73. 4p. - Publication Year :
- 2015
-
Abstract
- In the last decade, advances in molecular biology have provided evidence of the genotypic heterogeneity of melanoma. We analysed BRAF, NRAS and c- KIT alterations in tissue samples from 63 stage III/ IV melanoma patients and autologous cell-lines, using either allele-specific or quantitative PCR. The expression of BRAF V600E protein was also investigated using an anti- BRAF antibody in the same tissue samples. 81% of FFPE samples and tumor cell-lines harboured a genetic alteration in either BRAF (54%) or NRAS (27%) oncogenes. There was a strong concordance (100%) between tissue samples and tumor cell-lines. The BRAF V600E mutant-specific antibody showed high sensitivity (96%) and specificity (100%) for detecting the presence of a BRAF V600E mutation. The correlation was of 98% between PCR and immunohistochemistry results for BRAF mutation. These results suggest that BRAF and NRAS mutation status of tumor cells is not affected by culture conditions. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09066705
- Volume :
- 24
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Experimental Dermatology
- Publication Type :
- Academic Journal
- Accession number :
- 100320334
- Full Text :
- https://doi.org/10.1111/exd.12584