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Product Pathways - DNA Damage

BRCA2 (D9S6V) Rabbit mAb #10741

Item# Description List Price Web Price Qty
10741S BRCA2 (D9S6V) Rabbit mAb - 100 µl $364.00
$327.60
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Application Dilution Species-Reactivity Sensitivity MW (kDa) Isotype
W Human Endogenous 380 Rabbit IgG

Species cross-reactivity is determined by western blot.

Applications Key: W=Western Blotting

Protocols

Specificity / Sensitivity

BRCA2 (D9S6V) Rabbit mAb recognizes endogenous levels of total BRCA2 protein.

Source / Purification

Monoclonal antibody is produced by immunizing animals with recombinant protein specific to the carboxy terminus of human BRCA2 protein.

Western Blotting

Western Blotting

Western blot analysis of extracts from various cell lines using BRCA2 (D9S6V) Rabbit mAb (upper) or α-Actinin (D6F6) XP® Rabbit mAb #6487 (lower).

Western Blotting

Western Blotting

Western blot analysis of DLD1 cells, either wild type (WT) or BRCA2 knockout (-/-), using BRCA2 (D9S6V) Rabbit mAb (upper) or α-Actinin (D6F6) XP® Rabbit mAb (lower). DLD1 (WT) and DLD1 (-/-) cells were kindly provided by Dr. Judit Jimenez, Yale University, New Haven, CT.

Background

The breast cancer susceptibility proteins BRCA1 and BRCA2 are frequently mutated in cases of hereditary breast and ovarian cancers and have roles in multiple processes related to DNA damage, repair, cell cycle progression, transcription, ubiquitination, and apoptosis (1-4). BRCA2 has been shown to be required for localization of Rad51 to sites of double stranded breaks (DSBs) in DNA, and cells lacking BRCA1 and BRCA2 cannot repair DSBs through the Rad51-dependent process of homologous recombination (HR) (5). Numerous DNA damage-induced phosphorylation sites on BRCA1 have been identified, including Ser988, 1189, 1387, 1423, 1457, 1524, and 1542, and kinases activated in a cell cycle-dependent manner, including Aurora A and CDK2, can also phosphorylate BRCA1 at Ser308 and Ser1497, respectively (6-10). Cell cycle-dependent phosphorylation of BRCA2 at Ser3291 by CDKs has been proposed as a mechanism to switch off HR as cells progress beyond S-phase by blocking the carboxy terminal Rad51 binding site (11).

  1. Rahman, N. and Stratton, M.R. (1998) Annu Rev Genet 32, 95-121.
  2. Gayther, S.A. et al. (1999) Am J Hum Genet 65, 1021-9.
  3. Kerr, P. and Ashworth, A. (2001) Curr Biol 11, R668-76.
  4. Scully, R. and Livingston, D.M. (2000) Nature 408, 429-32.
  5. Tutt, A. and Ashworth, A. (2002) Trends Mol Med 8, 571-6.
  6. Okada, S. and Ouchi, T. (2003) J Biol Chem 278, 2015-20.
  7. Cortez, D. et al. (1999) Science 286, 1162-6.
  8. Xu, B. et al. (2002) Cancer Res 62, 4588-91.
  9. Ouchi, M. et al. (2004) J Biol Chem 279, 19643-8.
  10. Ruffner, H. et al. (1999) Mol Cell Biol 19, 4843-54.
  11. Esashi, F. et al. (2005) Nature 434, 598-604.

Application References

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