1580
Aryl hydrocarbon receptor nuclear translocator ( ARNT ) is a component of the transcription factors , aryl hydrocarbon receptor ( AhR ) and hypoxia - inducible factor 1 , which transactivate their target genes , such as CYP1A1 and erythropoietin , in response to xenobiotic aromatic hydrocarbons and to low O2 concentration , respectively .
 GENE: Aryl hydrocarbon receptor nuclear translocator; GENE: ARNT; GENE: aryl hydrocarbon receptor; GENE: AhR; GENE: hypoxia - inducible factor 1; GENE: CYP1A1; GENE: erythropoietin
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: Aryl hydrocarbon receptor nuclear translocator; GENE: ARNT; GENE: aryl hydrocarbon receptor; GENE: AhR; GENE: hypoxia - inducible factor 1; GENE: CYP1A1; GENE: erythropoietin