نتایج جستجو برای: prostaglandin e
تعداد نتایج: 1038915 فیلتر نتایج به سال:
The anti-inflammatory effect of non-steroidal anti-inflammatory drugs (NSAIDs) is associated with inhibition of cyclooxygenase (COX), the rate-limiting enzyme responsible for the synthesis of prostaglandins. Since oxygen free radicals can act as second cellular messengers, especially to modulate the metabolism of arachidonic acid and the prostaglandin tract, it seems plausible that antioxidants...
A synthetic biology approach to the rational design of analogues of olfactory ligands by providing unnatural substrates for the enzyme synthesising (S)-germacrene D, an olfactory ligand acting as a plant derived insect repellent, to produce novel ligands is described as a viable alternative to largely unsuccessful ligand docking studies. (S)-14,15-Dimethylgermacrene D shows an unexpected revers...
Fibroblasts are the major source of extracellular connective tissue matrix, and the recruitment, accumulation, and stimulation of these cells are thought to play important roles in both normal healing and the development of fibrosis. Prostaglandin E(2) (PGE(2)) can inhibit this process by blocking fibroblast proliferation and collagen production. The aim of this study was to investigate the inh...
Background: To evaluate the effect of an "escalation" topical glaucoma therapy by switching form prostaglandin mono to two different prostaglandin-timolol fixed combinations.
Interactions of hormones stimulating and inhibiting uterine contraction were studied in vitro in uteri from oophorectomized rats. The beta-adrenergic effector, isoproterenol, a potent inhibitor of contraction, produced a dose-related increase of adenylate cyclase and accumulation of adenosine 3':5'-cyclic monophosphate (cAMP) that was inhibitable by propranolol. Oxytocin, which stimulates contr...
Human aqueous humour was found to contain a substance which contracted the rat stomach strip. The mean activity was significantly higher in specimens from open angle glaucoma cases than in specimens from patients with cataract. The pharmacological and chromatographic properties of the active material were studied in aqueous humour obtained from cadavers; activity seemed to be due to prostagland...
Microsomal prostaglandin E synthase (mPGES)-1 is one of several prostaglandin E synthases involved in prostaglandin H2 (PGH2) metabolism. In the present report, we characterize the contribution of mPGES-1 to cellular PGH2 metabolism in murine macrophages by studying the synthesis of eicosanoids and expression of eicosanoid metabolism enzymes in wild type and mPGES-1-deficient macrophages. Thiog...
BACKGROUND Microsomal prostaglandin E(2) synthase-1 (mPGES-1), encoded by the Ptges gene, catalyzes prostaglandin E(2) biosynthesis and is expressed by leukocytes, cardiac myocytes, and cardiac fibroblasts. Ptges(-/-) mice develop more left ventricle (LV) dilation, worse LV contractile function, and higher LV end-diastolic pressure than Ptges(+/+) mice after myocardial infarction. In this study...
During the second hour after giving 100 ,ug of orally administered prostaglandin 15 (R) 15-methyl-E, methyl ester in the pregnant patient at term a noticeable reduction in basal gastric acid secretion took place. At this dose no excessive uterine stimulation was observed. Prostaglandin 15 (R) 15-methyl-E, methyl ester could prove of value in the preoperative preparation of the pregnant patient ...
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