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Paradoxically , loop 3i from the M1Ach - muscarinic receptor also maximally inhibited GnRH agonist - stimulated cAMP accumulation and PRL release by 40 % ( both effects mediated through activation of the Gs protein ) .
 GENE: M1Ach - muscarinic receptor; GENE: GnRH; GENE: PRL; GENE: Gs protein
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: M1Ach - muscarinic receptor; GENE: GnRH; GENE: PRL; GENE: Gs protein