the inhibitor of dna-methylation , 5-azacytidine ( 5- azac ) induced the appearance of cytokeratin-containing cells in several mesenchymal cell lines such as teratocarcinoma-derived fibroblasts , preadipocytes and myoblasts , nih-3t3 fibroblasts and human embryonic fibroblasts .
C0007634
the
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fibroblasts