8266
Cyclin - dependent kinase 9 / cyclin T , the protein kinase heterodimer that constitutes positive transcription elongation factor b , is a well - validated target for treatment of several diseases , including cancer and cardiac hypertrophy .
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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:
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