7298
In addition, we show that erythropoietin , which is also required for erythroid cell survival , cooperates with GATA-1 to stimulate bcl-xL gene expression and to maintain erythroid cell viability during terminal maturation .
 protein: GATA-1; protein: bcl-xL; protein: erythropoietin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: GATA-1, bcl-xL, erythropoietin 
Answer:
 protein: GATA-1; protein: bcl-xL; protein: erythropoietin