Pharmacological effects of non-steroidal antiinflammatory agents on prostaglandin and leukotriene synthesis in mouse peritoneal macrophages

Biochemical Pharmacology
J L HumesR J Bonney

Abstract

Resident mouse peritoneal macrophages, exposed to zymosan, synthesized and released products of both the cyclooxygenase and lipoxygenase pathways. The effects of various non-steroidal antiinflammatory agents were evaluated for their abilities to inhibit zymosan-stimulated prostaglandin E2 (PGE2) and leukotriene C4 (LTC4) synthesis. The order of potencies to inhibit PGE2 synthesis and release was: indomethacin greater than or equal to sulindac sulfide greater than ibuprofen greater than or equal to aspirin greater than 3-amino-1-[3-(trifluoromethyl)-phenyl]-2-pyrazoline (BW755C) greater than benoxaprofen greater than or equal to nordihydroguaiaretic acid (NDGA) greater than 5,8,11-eicosatriynoic acid (ETYA). BW755C and ETYA also inhibited zymosan-stimulated LTC4 production. None of the compounds tested showed selective inhibition of lipoxygenase products.

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