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dear editor:   we thank dr asadi amoli for her interest in our article. 1 dr asadi amoli pointed out that specific and sensitive rhabdomyosarcoma (rms) markers should be investigated in our case. 2 we agree with dr asadi amoli ’s opinion and are sorry that the results of pathology examination and myogenin (myf-4) staining studied in a local hospital were not provided in our case report.   an ex...

Two clonal rat rhabdomyosarcoma cell lines BA-Han-IB and BA-Han-IC with different capacities for myogenic differentiation have been examined for the expression of muscle regulatory basic helix-loophelix (bHLH) proteins of the MyoD family. Whereas cells of the BA-Han-IC subpopulation constitutively expressed MyoD1 and could be induced to differentiate with retinoic acid (RA), BA-Han-IB cells did...