PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15276247-4 2004 The upregulation of phosphoserine 831 GluR1 was attenuated by pretreatment with chelerythrine, a selective PKC inhibitor, KN-93, a selective CaMKII inhibitor, and two NMDA receptor antagonists, MK-801 and APV. chelerythrine 80-93 glutamate ionotropic receptor AMPA type subunit 1 Rattus norvegicus 38-43