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The zinc finger transcription factor GATA-1 is a major regulator of gene expression in erythroid , megakaryocyte , and mast cell lineages .
 zinc finger transcription factor, GATA-1, transcription factor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 zinc finger transcription factor, GATA-1, transcription factor