3607
These results suggest that blasts in M7 and TMD may correspond to progenitors of both erythroid and megakaryocytic lineages .
 progenitors, blasts
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:
 progenitors, blasts