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This delay is associated with down-regulation of many erythroid cell-specific genes , including alpha- and beta- globin , band 3 , band 4.1 , and the erythroid cell-specific histone H5 .
 band 4.1, band 3, H5, erythroid cell-specific genes, erythroid cell-specific histone
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:
 band 4.1, band 3, H5, erythroid cell-specific genes, erythroid cell-specific histone