1646
Recently , roles also have been suggested for the nuclear trans - factor GATA - 1 in regulating progenitor cell proliferation .
 GENE: GATA - 1
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: GATA - 1