2090
Once P - 450scc mRNA is induced as a consequence of the LH / hCG surge it is constitutively maintained by luteinized cells in vivo ( 0 - 4 days ) and in vitro ( 0 - 9 days ) in the absence of gonadotropins , is susceptible to modulation by prolactin and is no longer regulated by cAMP .
 P - 450scc mRNA, LH, hCG, gonadotropins, prolactin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 P - 450scc mRNA, LH, hCG, gonadotropins, prolactin