20004
By the use of isozyme - specific cAMP analog pairs , we show that both PKA - I and PKA - II must be activated to achieve maturation in NB4 - LR1 as well as NB4 cells .
 Chemical: cAMP
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: cAMP