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Erythroid-specific mRNAs encoding gamma-globin and erythroid delta-aminolevulinate synthase were found to be expressed in blasts from most of these cases, indicating that majorities of the blasts in M7 and TMD cases have erythroid and megakaryocytic phenotypes .
 blasts, blasts, Erythroid-specific mRNAs, gamma-globin, erythroid delta-aminolevulinate synthase
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:
 blasts, blasts, Erythroid-specific mRNAs, gamma-globin, erythroid delta-aminolevulinate synthase