PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28418071-8 2017 Using transgenic nematodes, we found high concentrations of graphene-based nanomaterials induced down-expression of dat-1::GFP and eat-4::GFP, but no significant changes in unc-47::GFP. Graphite 60-68 Sodium-dependent dopamine transporter Caenorhabditis elegans 116-121