The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
A requirement for PARP-1 for the assembly or stability of XRCC1 nuclear foci at sites of oxidative DNA damage
Open accessAbstract
The molecular role of poly (ADP-ribose) polymerase-1 in DNA repair is unclear. Here, we show that the single-strand break repair protein XRCC1 is rapidly assembled into discrete nuclear foci after oxidative DNA damage at sites of poly (ADP-ribose) synthesis. Poly (ADP-ribose) synthesis peaks during a 10 min treatment with H2O2 and the appearance of XRCC1 foci peaks shortly afterwards. Both sites of poly (ADP-ribose) and XRCC1 foci decrease to background levels during subsequent incubation in drug-free medium, consistent with the rapidity of the single-strand break repair process. The formation of XRCC1 foci at sites of poly (ADP-ribose) was greatly reduced by mutation of the XRCC1 BRCT I domain that physically interacts with PARP-1. Moreover, we failed to detect XRCC1 foci in Adprt1-/- MEFs after treatment with H2O2. These data demonstrate that PARP-1 is required for the assembly or stability of XRCC1 nuclear foci after oxidative DNA damage and suggest that the formation of these foci is mediated via interaction with poly (ADP-ribose). These results support a model in which the rapid activation of PARP-1 at sites of DNA strand breakage facilitates DNA repair by recruiting the molecular scaffold protein, XRCC1.
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DNA-bound structures and mutants reveal abasic DNA binding by APE1 DNA repair and coordination
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Poly(ADP-ribose) Binds to Specific Domains in DNA Damage Checkpoint Proteins
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Cited by
Specific killing of BRCA2-deficient tumours with inhibitors of poly(ADP-ribose) polymerase
Bryant, H. E., Schultz, N., Thomas, H. D., Parker, K. M., Flower, D., Lopez, E., Kyle, S., Meuth, M., Curtin, N. J., & Helleday, T. (2005) · Nature · doi:10.1038/nature03443 · Cited by 5,198
Advances in autism genetics: on the threshold of a new neurobiology
Abrahams, B. S., & Geschwind, D. H. (2008) · Nature Reviews Genetics · doi:10.1038/nrg2346 · Cited by 1,866
The multifaceted roles of PARP1 in DNA repair and chromatin remodelling
Ray Chaudhuri, A., & Nussenzweig, A. (2017) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm.2017.53 · Cited by 1,786
Genomic Instability and Aging-like Phenotype in the Absence of Mammalian SIRT6
Mostoslavsky, R., Chua, K. F., Lombard, D. B., Pang, W. W., Fischer, M. R., Gellon, L., Liu, P., Mostoslavsky, G., Franco, S., Murphy, M. M., et al. (2006) · Cell · doi:10.1016/j.cell.2005.11.044 · Cited by 1,637
PARP inhibition: PARP1 and beyond
Rouleau, M., Patel, A., Hendzel, M. J., Kaufmann, S. H., & Poirier, G. G. (2010) · Nature Reviews Cancer · doi:10.1038/nrc2812 · Cited by 1,298
Metadata
- Authors
- El-Khamisy, S. F.
- Venue
- Nucleic Acids Research
- Publisher
- Oxford University Press (OUP)
- Published
- 2003-10-01
- Volume
- 31
- Issue
- 19
- Pages
- 5526-5533
- ISSN
- 0305-1048 (ISSN-L)
- 1362-4962
- OpenAlex
- W2168891239
- Cited by
- 659
- References
- 41
- FWCI
- 5.79
- Type
- journal article
- Language
- en
- Open access
- bronze
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