1527
The data also suggest that gamma CACCC box binding factors mediate LCR - gamma interactions which normally enhance gamma - globin and suppress beta - globin gene expression in fetal erythroid cells .
 GENE: gamma CACCC box binding factors; GENE: LCR - gamma; GENE: gamma - globin; GENE: beta - globin gene
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: gamma CACCC box binding factors; GENE: LCR - gamma; GENE: gamma - globin; GENE: beta - globin gene