1520
Previously , we had shown that interleukin 8 ( IL - 8 ) is constitutively expressed in HTLV - I - infected cells and in cells transiently expressing Tax .
 GENE: interleukin 8; GENE: IL - 8; GENE: Tax
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: interleukin 8; GENE: IL - 8; GENE: Tax