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Title: Cellular senescence - its role in cancer and the response to ionizing radiation
Authors: Sabin, RJ
Anderson, RM
Keywords: Ionising radiation;Premature senescence;SASP;Inflammation;Age-related pathologies
Issue Date: 2011
Publisher: BioMed Central
Citation: Genome Integrity, 2: 7, 11 Aug 2011
Abstract: Cellular senescence is a normal biological process that is initiated in response to a range of intrinsic and extrinsic factors that functions to remove irreparable damage and therefore potentially harmful cells, from the proliferative pool. Senescence can therefore be thought of in beneficial terms as a tumour suppressor. In contrast to this, there is a growing body of evidence suggesting that senescence is also associated with the disruption of the tissue microenvironment and development of a pro-oncogenic environment, principally via the secretion of senescence-associated pro-inflammatory factors. The fraction of cells in a senescent state is known to increase with cellular age and from exposure to various stressors including ionising radiation therefore, the implications of the detrimental effects of the senescent phenotype are important to understand within the context of the increasing human exposure to ionising radiation. This review will discuss what is currently understood about senescence, highlighting possible associations between senescence and cancer and, how exposure to ionising radiation may modify this.
Description: © 2011 Sabin and Anderson; licensee BioMed Central Ltd. This article is available through the Brunel Open Access Publishing Fund. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
ISSN: 2041-9414
Appears in Collections:Biological Sciences
Brunel OA Publishing Fund
Dept of Life Sciences Research Papers

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