PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31138657-12 2019 VEGFR-2 inhibition also attenuated morphine analgesic tolerance in rats. Morphine 35-43 kinase insert domain receptor Rattus norvegicus 0-7 18761714-4 2008 The expression of genes Mdr1a, Mrp1, Bcrp, Glut-1 and Occludin, was slightly increased, while that of Flk-1 was decreased in microvessels from morphine-treated rats. Morphine 143-151 kinase insert domain receptor Rattus norvegicus 102-107