3315
A series of sequence fragments were placed 5 ' to the chloramphenicol acetyltransferase ( CAT ) reporter gene and ability to mediate transcription of CAT in response to IFN gamma or LPS treatment was studied following transient transfection in the macrophage - like cell line RAW 264 . 7 .
 GENE: chloramphenicol acetyltransferase; GENE: CAT; GENE: CAT; GENE: IFN gamma
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: chloramphenicol acetyltransferase; GENE: CAT; GENE: CAT; GENE: IFN gamma