PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6087124-1 1984 Met-enkephalin /Met-enk/ was found to stimulate IgG2a-mediated antibody dependent cytotoxicity /ADCC/ of thioglycollate elicited rat peritoneal macrophages /PM/ through naloxone-sensitive opiate receptors in concentrations ranging from 10(-9) - 14(-7) M. Phagocytosis of IgG2a coated 51Cr-sheep red blood cell /SRBC/ was suppressed by M-enk in the same concentration range. Thioglycolates 105-119 gamma-2a immunoglobulin heavy chain Rattus norvegicus 48-53 6087124-1 1984 Met-enkephalin /Met-enk/ was found to stimulate IgG2a-mediated antibody dependent cytotoxicity /ADCC/ of thioglycollate elicited rat peritoneal macrophages /PM/ through naloxone-sensitive opiate receptors in concentrations ranging from 10(-9) - 14(-7) M. Phagocytosis of IgG2a coated 51Cr-sheep red blood cell /SRBC/ was suppressed by M-enk in the same concentration range. Thioglycolates 105-119 gamma-2a immunoglobulin heavy chain Rattus norvegicus 271-276