rna from differentiated teratocarcinoma cells with primitive , parietal or visceral endoderm characteristics each contained high levels of metallothionein mrna , whereas , levels of this mrna varied widely among embryonal carcinoma stem cell lines . alpha-fetoprotein mrna was not detected in embryonal carcinoma cells but was expressed in visceral endoderm-like differentiated cells .
C0007589
differentiated
C0007634
cells