10964
We also find that Smo endogenous to HEK - 293 cells , ostensibly through inhibition of adenylyl cyclase , decreases intracellular levels of cAMP .
 adenylyl, cAMP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 adenylyl, cAMP