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Int J Cancer. 2003 Oct 10;106(6):980-1.

Frequent allelic changes at chromosome 7q34 but lack of mutation of the BRAF in papillary renal cell tumors.

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Laboratory of Molecular Oncology, Department of Urology, Ruprecht-Karls-University, Heidelberg, Germany.


We have analyzed the BRAF locus on chromosome 7q34 with microsatellites for allelic changes and exons 11 and 15 of the BRAF with sequencing for mutations in 50 kidney cancers including 20 papillary, 15 conventional and 15 chromophobe renal cell carcinomas (RCC). Allelic changes at the BRAF locus were seen in 16 of the 20 papillary, 3 of the 15 conventional RCCs and 2 of the 15 chromophobe RCCs. Sequencing failed to disclose mutations in exons 11 and 15 of the BRAF gene in any of the tumors. Our data indicate that BRAF mutation does not play a role in the development of renal cell tumors.

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