PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19932712-3 2010 The expression of nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), tyrosine kinase (Trk) A, and TrkB mRNAs in the C3H/HeN mice hippocampus was significantly higher in the mice exposed to 500 ppm toluene. Toluene 215-222 neurotrophic tyrosine kinase, receptor, type 2 Mus musculus 116-120