PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16190874-5 2005 The activity of GCH was increased up to 5-fold after the NGF treatment, and the increase was repressed by pretreatment with U0126, an MEK1/2 inhibitor, but not with protein kinase A (PKA), phosphoinositide 3-kinase (PI3K), p38 mitogen-activated protein kinase (MAPK), and c-Jun NH2-terminal kinase (JNK) inhibitors. U 0126 124-129 GTP cyclohydrolase 1 Rattus norvegicus 16-19 16190874-6 2005 Induction of GCH mRNA by NGF was also abolished by pretreatment with U0126. U 0126 69-74 GTP cyclohydrolase 1 Rattus norvegicus 13-16