PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15608059-5 2005 Activation of ERK by d-amphetamine or by widely abused drugs, including cocaine, nicotine, morphine, and Delta(9)-tetrahydrocannabinol was absent in mice lacking dopamine- and cAMP-regulated phosphoprotein of M(r) 32,000 (DARPP-32). Dronabinol 105-134 mitogen-activated protein kinase 1 Mus musculus 14-17