PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7670594-6 1995 Embryo cells cultured on poly-D-lysine substrate in the presence of retinoic acid or Buffalo rat liver cell-conditioned medium (BRL-CM) and a reduced serum concentration differentiated into neuronal cell types exhibiting elevated levels of acetylcholinesterase enzyme activity and expression of neurofilament and glial fibrillary acidic protein. D-Lysine 25-38 acetylcholinesterase Rattus norvegicus 240-260