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BRCA2 loss in Fanconi Anemia

Fanconi Anemia (FA) is a recessive cancer susceptibility syndrome. Six FA genes have been cloned and encode proteins involved in a DNA-damage response pathway. In the June 13 ScienceXpress, Howlett et al. report the characterization of mutations in cells from the FA subtypes B and D1 (ScienceXpress 13 June 2002, DOI:10.1126/science.1073834). They discovered biallelic mutations in the BRCA2 breast cancer susceptibility gene; the mutations create frameshifts resulting in truncated BRCA2 protein. Howlett et al. show that restoring BRCA2 expression could rescue the phenotype of FA cells and restore resistance to DNA-damaging agents. The authors propose a model linking FA-associated genes to the regulation of a common DNA-damage response pathway.

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    Fanconi anemia and DNA repair

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    Interaction of the Fanconi anemia proteins and BRCA1 in a common pathway.

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    ScienceXpress, [http://www.sciencexpress.org]

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Weitzman, J.B. BRCA2 loss in Fanconi Anemia. Genome Biol 3, spotlight-20020614-01 (2002). https://doi.org/10.1186/gb-spotlight-20020614-01

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Keywords

  • Breast Cancer
  • Anemia
  • Cancer Susceptibility
  • Fanconi Anemia
  • Breast Cancer Susceptibility