PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25369338-6 2014 Most importantly, we improved formulation of media for NCC culture, we found that poly-L-ornithine combined with fibronectin provide good support for NCC growth, we unravelled the tendency of cultured NCCs to maintain heterogeneity of CD271 expression, and we showed that NCCs derived here possess the capacity to react to BMP4 signals by dramatically up-regulating MSX1, which is linked to odontogenesis. polyornithine 82-98 msh homeobox 1 Homo sapiens 366-370