نتایج جستجو برای: cyclooxygenase inhibition
تعداد نتایج: 338637 فیلتر نتایج به سال:
C yclooxygenase (COX) catalyzes the conversion of ara-chidonic acid to prostaglandin H 2 , which is then further metabolized by downstream synthase enzymes to a range of eicosanoids. COX is expressed in 2 isoforms, constitutive COX-1 and inducible COX-2. Nonsteroidal anti-inflamma-tory drugs (NSAIDs) are widely used to treat inflammation and pain and show potential to prevent cancer. COX-2 is t...
Passive muscle stretch performed during a period of post-exercise muscle ischemia (PEMI) increases muscle sympathetic nerve activity (MSNA), and this suggests that the muscle metabolites may sensitize mechanoreceptors in healthy humans. However, the responsible substance(s) has not been studied thoroughly in humans. Human and animal studies suggest that cyclooxygenase products sensitize muscle ...
This perspective places the article by Tang et al. in this issue of the journal (beginning on page 25) in the context of recent work defining the hedgehog signaling pathway as a central etiologic factor and as a therapeutic target in basal cell cancer. Tang et al. show that inhibition of cyclooxygenase activity, either genetically (in a relevant mouse model) or pharmacologically (in the mouse a...
It has been suggested that platelet-activating factor (PAF) plays a prominent role in the control of glomerular hemodynamics in various physiological and pathological conditions. We examined the direct effect of PAF on rabbit glomerular afferent arterioles (Af-Arts) microperfused in vitro and tested whether endothelium-derived relaxing factor/nitric oxide (EDNO) and cyclooxygenase products are ...
Role of COX-2 in the enhanced vasoconstrictor effect of arachidonic acid in the diabetic rat kidney.
In the rat isolated perfused kidney, arachidonic acid elicits cyclooxygenase-dependent vasoconstriction through activation of PGH2/TxA2 receptors; responses are enhanced in kidneys from diabetic rats. This study examined the roles of cyclooxygenase-1/cyclooxygenase-2 in the enhanced renal vasoconstrictor effect of arachidonic acid in streptozotocin-diabetic rats. Release of 20-HETE was also det...
In the rat isolated perfused kidney, arachidonic acid elicits cyclooxygenase-dependent vasoconstriction through activation of PGH2/TxA2 receptors; responses are enhanced in kidneys from diabetic rats. This study examined the roles of cyclooxygenase-1/cyclooxygenase-2 in the enhanced renal vasoconstrictor effect of arachidonic acid in streptozotocin-diabetic rats. Release of 20-HETE was also det...
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