5800
When the promoter region was linked with a heterologous reporter gene , we found that the promoter region is inducible by both interferons ( interferon - alpha and - gamma ) and interferon regulatory factor 1 .
 interferons, interferon - alpha and - gamma, interferon regulatory factor 1
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 interferons, interferon - alpha and - gamma, interferon regulatory factor 1