4677
We conclude that cAMP , acting through PKA , is an essential regulator of basal CFTR gene expression and may mediate an induction of CFTR in responsive cell types .
 GENE: PKA; GENE: CFTR gene; GENE: CFTR
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: PKA, CFTR gene, CFTR 
Answer:
 GENE: PKA; GENE: CFTR gene; GENE: CFTR