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These drug mechanism of action studies demonstrate that UCD38B induces a cell cycle - independent , caspase - independent necroptotic glioma cell death that is mediated by AIF and independent of poly ( ADP - ribose ) polymerase and H2AX activation .
 Chemical: UCD38B; 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: UCD38B; Chemical: poly ( ADP - ribose )