2841
Cotransfection with C / EBPbeta and GATA - 1 expression vectors produced a 5 - fold increase compared with cotransfection with the C / EBPbeta or GATA - 1 expression vectors individually .
 GENE: C / EBPbeta; GENE: GATA - 1; GENE: C / EBPbeta; 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: C / EBPbeta; GENE: GATA - 1; GENE: C / EBPbeta; GENE: GATA - 1