19350
The tremendous feature of cAMP to tightly control highly diverse physiologic processes , including calcium homeostasis , metabolism , secretion , muscle contraction , cell fate , and gene transcription , is reflected by the award of five Nobel prizes .
 cAMP, calcium
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 cAMP, calcium