2031
We also show that activation of protein kinase A ( PKA ) signaling is sufficient to down - regulate caveolin - 1 protein expression and promoter activity .
 GENE: protein kinase A; GENE: PKA; GENE: caveolin - 1 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: protein kinase A; GENE: PKA; GENE: caveolin - 1 protein