Chromosomal aberrations are believed to result from the incorrect joining of DNA double-strand breaks (DSBs). In an attempt to investigate induction and rejoining quality of DSBs following ionizing radiation exposure in specific genomic locations of mammalian DNA, an experimental approach based on S
Expression of ATM in ataxia telangiectasia fibroblasts rescues defects in DNA double-strand break repair in nuclear extracts
✍ Scribed by Yuling Li; Michael P. Carty; Gregory G. Oakley; Michael M. Seidman; Mario Medvedovic; Kathleen Dixon
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 172 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0893-6692
- DOI
- 10.1002/em.1020
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## Abstract Using the technique of neutral elution through polycarbonate filters as a measure of DNA length, and hence of the number of double‐strand breaks incurred as a result of radiation damage, we found that normal human fibroblasts rejoin 50% of all breaks within only 3 min (37°C). This fast
The end-joining pathway of DNA double-strand break (DSB) repair is necessary for proper V(D)J recombination and repair of DSB caused by ionizing radiation. This DNA repair pathway can either use short stretches of (micro)homology near the DNA ends or use no homology at all (direct end-joining). We d