PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18579164-9 2008 Interestingly, intrathecal injection of [D-Pen(2),d-Pen(5)]-enkephalin or [D-Ala(2),Glu(4)]-deltorphin produced a large and prolonged increase in the nociceptive threshold in RTX-treated rats. resiniferatoxin 175-178 proenkephalin Rattus norvegicus 60-70 16467418-3 2006 The effect of morphine and (D-Ala2,N-Me-Phe4,Gly-ol5)-enkephalin (DAMGO) was measured by testing the paw mechanical withdrawal threshold in rats treated with RTX or vehicle. resiniferatoxin 158-161 proenkephalin Rattus norvegicus 54-64