PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12935687-11 2002 These data suggest that toluene induces astrocyte activation through TGF-beta1 upregulation, which then induces GDNF in the Purkinje cells and TNF-alpha in the granule cells of the cerebellum. Toluene 24-31 tumor necrosis factor Rattus norvegicus 143-152