PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26332891-1 2015 Ingestion of a high-fat diet composed mainly of the saturated fatty acid, palmitic (PA), and the unsaturated fatty acid, oleic (OA), stimulates transcription in the brain of the opioid neuropeptide, enkephalin (ENK), which promotes intake of substances of abuse. Protactinium 84-86 pyroglutamylated RFamide peptide Rattus norvegicus 185-197