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Book synopsis

Melanoma is the most aggressive skin tumour and the§number of cases and deaths has increased faster than§many other cancers. Activating mutations in the B-RAF§and N-RAS proto-oncogenes and deletion of the tumour§suppressor gene CDKN2A occur at high §frequencies in melanomas. This study characterises§the widely unknown consequences of the most prominent§somatic alterations in the B-RAF, N-RAS, and CDKN2A§genes on gene expression in melanoma. Additionally,§the effect of the V600E B-RAF mutation on gene§expression in benign melanocytic nevi, known§precursors of melanoma, was examined. In summary, the§studied alterations significantly influence§expression of various genes in the RAS-RAF-MEK-ERK,§Rb, and PI3K/AKT pathways. MAPK pathway activation§occurs in the early stages of melanocyte§transformation, antagonised by several tumour§suppressing mechanisms. Among others, CDKN1C was§identified as novel gene, whose loss most likely§constitutes a second genetic hit required for§melanoma progression. Besides new therapeutic targets§to treat melanoma patients, the data may encode new§markers for early recognition of§individuals with increased risk for development of§malignant melanoma.

Book details

Book category Books in English Medicine Medicine: general issues Medical equipment & techniques

• Full title: Somatic Alterations in Critical Genes in Malignant Melanoma
• Author: Sandra Blöthner
• Language: English
• Binding: Paperback
• Number of pages: 140
• EAN: 9783838104225
• ISBN: 3838104226
• ID: 06888842
• Publisher: Sudwestdeutscher Verlag Fur Hochschulschriften AG
• Weight: 195 g
• Dimensions: 229 × 152 × 9 mm
• Date of publishing: 04. May 2009

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