Biallelic Inactivation of BRCA2 in Fanconi Anemia
Top Cited Papers
- 26 July 2002
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 297 (5581) , 606-609
- https://doi.org/10.1126/science.1073834
Abstract
Fanconi anemia (FA) is a rare autosomal recessive cancer susceptibility disorder characterized by cellular hypersensitivity to mitomycin C (MMC). Six FA genes have been cloned, but the gene or genes corresponding to FA subtypes B and D1 remain unidentified. Here we show that cell lines derived from FA-B and FA-D1 patients have biallelic mutations in BRCA2 and express truncated BRCA2 proteins. Functional complementation of FA-D1 fibroblasts with wild-typeBRCA2 complementary DNA restores MMC resistance. Our results link the six cloned FA genes with BRCA1 and BRCA2in a common pathway. Germ-line mutation of genes in this pathway may result in cancer risks similar to those observed in families withBRCA1 or BRCA2 mutations.Keywords
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