12726
Also , ursolic acid enhanced the cleavages of poly - ADP - ribose polymerase ( PARP ) and caspase3 , attenuated the expression of astrocyte elevated gene ( AEG1 ) and survivin in HepG2 cells .
 Chemical: poly - ADP - ribose
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: poly - ADP - ribose