| p53 and Cell Cycle Effects After DNA Damage. | |
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MedLine Citation:
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PMID: 23150436 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Flow cytometry, a valuable technique that employs the principles of light scattering, light excitation, and emission of fluorochrome molecules, can be used to assess the cell cycle position of individual cells based on DNA content. After the permeabilization of cells, the DNA can be stained with a fluorescent dye. Cells which have a 2N amount of DNA can be distinguished from cells with a 4N amount of DNA, making flow cytometry a very useful tool for the analysis of cell cycle checkpoints following DNA damage. A critical feature of the cellular response to DNA damage is the ability to pause and repair the damage so that consequential mutations are not passed along to daughter generations of cells. If cells arrest prior to DNA replication, they will contain a 2N amount of DNA, whereas arrest after replication but before mitosis will result in a 4N amount of DNA. Using this technique, the role that p53 plays in cell cycle checkpoints -following DNA damage can be evaluated based on changes in the profile of the G1, S, and G2/M phases of the cell cycle. |
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Authors:
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Emir Senturk; James J Manfredi |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: Methods in molecular biology (Clifton, N.J.) Volume: 962 ISSN: 1940-6029 ISO Abbreviation: Methods Mol. Biol. Publication Date: 2013 |
Date Detail:
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Created Date: 2012-11-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9214969 Medline TA: Methods Mol Biol Country: - |
Other Details:
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Languages: ENG Pagination: 49-61 Citation Subset: - |
Affiliation:
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Mount Sinai School of Medicine, New York, NY, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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