PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11282117-7 2001 Cholecystokinin octapeptide (CCK-8) dose dependently reduced the antinociceptive effects of endomorphin-1 and endomorphin-2 in non-diabetic mice. Cholecystokinin 29-32 cholecystokinin Mus musculus 0-15