PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19141075-4 2009 GDNF (10 ng/mL) enhanced (by approximately 13%) glutamate release from rat striatal nerve endings, an effect potentiated (up to approximately 30%) by the A(2A) receptor agonist CGS 21680 (10 nM) and prevented by the A(2A) receptor antagonist, SCH 58261 (50 nM). cysteinylglycine 177-180 glial cell derived neurotrophic factor Rattus norvegicus 0-4