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Stable expression of the chimeric alpha i ( 54 ) / s polypeptide in Chinese hamster ovary ( CHO ) cells constitutively increased both cAMP synthesis and cAMP - dependent protein kinase activity .
 GENE: alpha i ( 54 ) / s; GENE: cAMP - dependent protein kinase
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: alpha i ( 54 ) / s; GENE: cAMP - dependent protein kinase