13857
RNAi - mediated knockdown of a new splice form of supervillin ( isoform 4 ) or both isoforms 1 and 4 increases the amount of p53 and cell death , whereas p53 levels decrease after overexpression of either supervillin isoform .
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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