PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16737738-4 2007 We observed that chronic exposure of mice to 50 ppm toluene for a longer period (12 weeks) caused a significant up-regulation of NMDA receptor subunit 2B (NMDA NR2B) expression associated with a simultaneous induction of CaMKIV, CREB-1, and FosB/DeltaFosB in the same hippocampal tissues. Toluene 52-59 FBJ osteosarcoma oncogene B Mus musculus 241-245