PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1703083-4 1990 In isolated rat peritoneal mast cells, both PLA2 concentration dependently induced the release of histamine and beta-glucuronidase. Histamine 98-107 phospholipase A2 group IB Rattus norvegicus 44-48