| The p53 network: cellular and systemic DNA damage responses in aging and cancer. | |
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MedLine Citation:
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PMID: 22265392 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Genome instability contributes to cancer development and accelerates age-related pathologies as evidenced by a variety of congenital cancer susceptibility and progeroid syndromes that are caused by defects in genome maintenance mechanisms. DNA damage response (DDR) pathways that are mediated through the tumor suppressor p53 play an important role in the cell-intrinsic responses to genome instability, including a transient cell cycle arrest, senescence and apoptosis. Both senescence and apoptosis are powerful tumor-suppressive pathways preventing the uncontrolled proliferation of transformed cells. However, both pathways can potentially deplete stem and progenitor cell pools, thus promoting tissue degeneration and organ failure, which are both hallmarks of aging. p53 signaling is also involved in mediating non-cell-autonomous interactions with the innate immune system and in the systemic adjustments during the aging process. The network of p53 target genes thus functions as an important regulator of cancer prevention and aging. |
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Authors:
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H Christian Reinhardt; Björn Schumacher |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-19 |
Journal Detail:
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Title: Trends in genetics : TIG Volume: - ISSN: 0168-9525 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8507085 Medline TA: Trends Genet Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, 50674 Cologne, Germany; University Hospital of Cologne, Department of Internal Medicine, Division I Hematology/Oncology, 50937 Cologne, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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