the cellular gene encoding the b1 subunit of the extracellular matrix protein laminin is transcriptionally activated by ra , and its transcription is further enhanced by n6 , o2'-dibutyryladenosine 3',5'-cyclic monophosphate ( bt2camp ) during the differentiation of f9 stem cells into extraembryonic parietal endoderm cells .
C0079323
extracellular matrix protein
C0022984
laminin