3696
In this study , we show that HNF - 4 , a member of the steroid hormone receptor superfamily , binds the AF - 1 site on the apoB promoter and through it activates transcription in transient transfection assays in both liver and non - liver cell lines , HepG2 and HeLa , respectively .
 GENE: HNF - 4; GENE: steroid hormone receptor superfamily; GENE: AF - 1 site; GENE: apoB promoter
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: HNF - 4; GENE: steroid hormone receptor superfamily; GENE: AF - 1 site; GENE: apoB promoter