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Review : Apoptosis: Regulation And Relevance To Toxicology

Malcolm R Alison, Catherine E Sarraf

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1 Apopotosis is a remarkably stereotyped morphological event across all tissues in response to a vast array of dam aging agents. 2 Our very existence depends upon a willing exchange of old life for new: apoptotic cell death is our guardian and saviour from genetic damage. 3 There is a close link between cell proliferation and apoptosis: When a cell picks up the machinery to prolifer ate it also acquires an abort pathway - 'better dead than wrong'. 4 A wide variety of highly conserved genes have been implicated in triggering apoptosis. 5 The release of DNA loops from the nuclear scaffold is a more crucial intracellular event than DNA 'laddering' in apoptotic cells. 6 The manipulation of apoptotic rates in many of the common diseases in man will be a major therapeutic strategy in the future.