COX
Cyclooxygenase (COX) is an enzyme (specifically, a family of isozymes) that is responsible for formation of prostanoids, including thromboxane and prostaglandins such as prostacyclin. Pharmaceutical inhibition of COX can provide relief from the symptoms of inflammation and pain. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as aspirin and ibuprofen, exert their effects through inhibition of COX. The two isozymes found in human are called COX-1 and COX-2 in the medical literature.
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Acetaminophen is a inhibitor of Cox-1, Cox-2, and Cox-3 (cyclooxygenase) . Acetaminophen may be selective for Cox-3 (IC50 values are > 1000, > 1000, and 460 μM for murine Cox-1, murine Cox-2, and canine Cox-3, respectively). Acetaminophen is a widely used analgesic and antipyretic agent.
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Etodolac, a member of non steroidal anti-inflammatory drugs (NSAIDs), has a poor aqueous solubility. Etodolac (Lodine) is a COX inhibitor with an IC50 of 53.5 nM.
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Nepafenac is a potent NSAID that rapidly penetrates the eye following topical ocular administration. In the eye, nepafenac is converted to amfenac, which has unique time-dependent inhibitory properties for COX-1 and COX-2.
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FR 122047 hydrochloride是Cyclooxygenase (COX-1) 抑制剂。
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DuP 697是Cyclooxygenase-2 (COX-2) 抑制剂。
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