PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9089571-7 1997 Addition of PGE2, at concentrations produced by old M phi, decreased proliferation and IL-2 production by young but not old T cells. Dinoprostone 12-16 interleukin 2 Mus musculus 87-91