期刊
HUMAN MUTATION
卷 33, 期 7, 页码 1059-1062出版社
WILEY-BLACKWELL
DOI: 10.1002/humu.22090
关键词
ccRCC; chromosome 3; tumor suppressor; SETD2; PBRM1; BAP1; chromatin remodeling
资金
- Dutch Cancer Society [2007-3892]
Clear cell renal cell carcinomas are characterized by 3p loss, and by inactivation of Von Hippel Lindau (VHL), a tumorsuppressor gene located at 3p25. Recently, SETD2, located at 3p21, was identified as a new candidate ccRCC tumor-suppressor gene. The combined mutational frequency in ccRCC tumors of VHL and SETD2 suggests that there are still undiscovered tumor-suppressor genes on 3p. We screened all genes on 3p for mutations in 10 primary ccRCC tumors using exome-sequencing. We identified inactivating mutations in VHL, PBRM1, and BAP1. Sequencing of PBRM1 in ccRCC-derived cell lines confirmed its frequent inactivation in ccRCC. PBRM1 encodes for BAF180, the chromatin targeting subunit of the SWI/SNF complex. BAP1 encodes for BRCA1 associated protein-1, involved in histone deubiquitination. Taken together, the accumulating data suggest an important role for aberrant chromatin regulation in ccRCC development. Hum Mutat 33:10591062, 2012. (c) 2012 Wiley Periodicals, Inc.
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