12569
This cell line stably transfected with the human estrogen receptor , and an IL-1beta promoter construct fused to the CAT reporter gene allows us to monitor the effect of estrogenic compounds on IL-1beta promoter activity .
 ( protein: IL-1beta, None) , ( DNA: CAT reporter gene, None) , ( DNA: IL-1beta promoter, None) , ( protein: IL-1beta, None) , ( DNA: IL-1beta promoter, None) , ( protein: human estrogen receptor, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: IL-1beta, None) , ( DNA: CAT reporter gene, None) , ( DNA: IL-1beta promoter, None) , ( protein: IL-1beta, None) , ( DNA: IL-1beta promoter, None) , ( protein: human estrogen receptor, None) 