10590
Furthermore , overexpression of the acetylation - deficient mutant , K293R , induces DNA - damage response foci at telomeres , thereby leading to induction of impaired cell growth , cellular senescence and altered cell cycle distribution .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None