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Cell cycle-dependent initiation and lineage-dependent abrogation of GATA-1 expression in pure differentiating hematopoietic progenitors .
 cell type: pure differentiating hematopoietic progenitors; protein: GATA-1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: pure differentiating hematopoietic progenitors; protein: GATA-1