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Pathway Description
Acetaminophen Action Pathway
Homo sapiens
Drug Action Pathway
Acetaminophen (also named paracetamol or APAP) is not a Nonsteroidal anti-inflammatory drugs (NSAIDs). However, it still can be used to treat pain and fever. Acetaminophen can block prostaglandin synthesis by the action of inhibition of prostaglandin G/H synthase 1 and 2. Prostaglandin G/H synthase 1 and 2 catalyze the arachidonic acid to prostaglandin G2, and also catalyze prostaglandin G2 to prostaglandin H2 in the metabolism pathway. Decreased prostaglandin synthesis in many animal model's cell is caused by presence of acetaminophen.
References
Acetaminophen Pathway References
Muth-Selbach US, Tegeder I, Brune K, Geisslinger G: Acetaminophen inhibits spinal prostaglandin E2 release after peripheral noxious stimulation. Anesthesiology. 1999 Jul;91(1):231-9.
Pubmed: 10422949
Kehoe MJ, Cohen SM, Zarrinnia K, Cowan A: The effect of acetaminophen, ibuprofen, and misoprostol on prostaglandin E2 synthesis and the degree and rate of orthodontic tooth movement. Angle Orthod. 1996;66(5):339-49. doi: 10.1043/0003-3219(1996)066<0339:TEOAIA>2.3.CO;2.
Pubmed: 8893104
Arachidonic Acid Metabolism References
Lehninger, A.L. Lehninger principles of biochemistry (4th ed.) (2005). New York: W.H Freeman.
Vance, D.E., and Vance, J.E. Biochemistry of lipids, lipoproteins, and membranes (4th ed.) (2002) Amsterdam; Boston: Elsevier.
Salway, J.G. Metabolism at a glance (3rd ed.) (2004). Alden, Mass.: Blackwell Pub.
Kroetz DL, Zeldin DC: Cytochrome P450 pathways of arachidonic acid metabolism. Curr Opin Lipidol. 2002 Jun;13(3):273-83.
Pubmed: 12045397
Zeldin DC: Epoxygenase pathways of arachidonic acid metabolism. J Biol Chem. 2001 Sep 28;276(39):36059-62. doi: 10.1074/jbc.R100030200. Epub 2001 Jul 12.
Pubmed: 11451964
Ondrey FG: Arachidonic acid metabolism: a primer for head and neck surgeons. Head Neck. 1998 Jul;20(4):334-49.
Pubmed: 9588707
Sigal E: The molecular biology of mammalian arachidonic acid metabolism. Am J Physiol. 1991 Feb;260(2 Pt 1):L13-28. doi: 10.1152/ajplung.1991.260.2.L13.
Pubmed: 1899973
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