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・ Prostacyclin receptor
・ Prostacyclin synthase
・ Prostaglandin
・ Prostaglandin analogue
Prostaglandin antagonist
・ Prostaglandin D2
・ Prostaglandin D2 receptor
・ Prostaglandin D2 synthase
・ Prostaglandin DP1 receptor
・ Prostaglandin DP2 receptor
・ Prostaglandin E
・ Prostaglandin E synthase
・ Prostaglandin E1
・ Prostaglandin E2
・ Prostaglandin E2 receptor
・ Prostaglandin E3
・ Prostaglandin EP1 receptor
・ Prostaglandin EP2 receptor
・ Prostaglandin EP3 receptor


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Prostaglandin antagonist : ウィキペディア英語版
Prostaglandin antagonist
A Prostaglandin antagonist is a hormone antagonist acting upon prostaglandin.
NSAIDs inhibit cyclooxygenase and reduce prostaglandin synthesis. Corticosteroids inhibit phospholipase A2 production by boosting production of lipocortin, an inhibitor protein. Relatively new drugs, known as COX-2 selective inhibitors or coxibs, are used as specific inhibitors of COX-2. The development of these drugs allowed the circumvention of the negative gastrointestinal effects while effectively reducing inflammation.
==Adverse effects==
Both NSAIDs and Coxibs can raise the risk of myocardial infarction, when taken on a chronic basis for at least 18 months. One emerging hypothesis that may explain the cardiovascular effects is that coxibs create an imbalance in circulating TxA2 (thromboxane) and PGI2 (prostacyclin) levels. An increased in the ratio of TxA2/PGI2 could lead to increased platelet aggregation and dysregulation of platelet homeostasis.〔Cheng Y et al., Role of prostacyclin in the cardiovascular response to thromboxane A2. “Science” 2002;296:539-51. PMID 11964481.〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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