5679
Administration of megakaryocyte growth and development factor or interleukin 6 could not overcome the differentiation block .
 megakaryocyte growth and development factor, megakaryocyte, interleukin 6
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:
 megakaryocyte growth and development factor, megakaryocyte, interleukin 6