15920
Using a glucocorticoid response element ( GRE ) luciferase reporter transfected into human airway epithelial cells [ both bronchial epithelium + adenovirus 12 - SV40 hybrid ( BEAS - 2B ) cells and primary cultures ] , roflumilast enhanced fluticasone propionate - induced GRE - dependent transcription .
 Chemical: roflumilast; Chemical: fluticasone propionate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: roflumilast; Chemical: fluticasone propionate