PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1311008-3 1992 Prostaglandin D2 (PGD2), a marker of mast cell degranulation, increased proportionately with symptom scores, remaining above the 95% confidence interval for 120 minutes after both pretreatments. Prostaglandin D2 18-22 prostaglandin D2 synthase Homo sapiens 0-16