Creating localized DNA double-strand breaks with microirradiation
Nature Protocols, ISSN: 1754-2189, Vol: 6, Issue: 2, Page: 134-139
2011
- 22Citations
- 87Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations22
- Citation Indexes22
- CrossRef22
- 18
- Captures87
- Readers87
- 87
Article Description
We describe a protocol for creating localized DNA double-strand breaks (DSBs) with minimal requirements that can be applied in cell biology and molecular biology. This protocol is based on the combination of 5-bromo-2'-deoxyuridine (BrdU) labeling and ultraviolet C (UVC) irradiation through porous membranes. Cells are labeled with 10 μM BrdU for 48-72 h, washed with Ca-and Mg-free PBS(-), covered by polycarbonate membranes with micropores and exposed to UVC light. With this protocol, localized DSBs are created within subnuclear areas, irrespective of the cell cycle phase. Recruitment of proteins involved in DNA repair, DNA damage response, chromatin remodeling and histone modifications can be visualized without any specialized equipment. The quality is the same as that obtained by laser microirradiation or by any other focal irradiation. DSBs become visible within 30 min of UVC irradiation. © 2011 Nature America, Inc. All rights reserved.
Bibliographic Details
Springer Science and Business Media LLC
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