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Studies of the function of SCL suggest it is also important in proliferation and self-renewal events in erythroid cells .
 protein: SCL; cell type: erythroid cells
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: SCL, erythroid cells 
Answer:
 protein: SCL; cell type: erythroid cells