نتایج جستجو برای: selective cox 2 inhibitor
تعداد نتایج: 2831454 فیلتر نتایج به سال:
The role of cyclooxygenase (COX)-1 and -2 in prostanoid formation and modulation of pressor responses to ANG II was investigated in the pulmonary and systemic vascular beds in the rat. In the present study, selective COX-1 and -2 inhibitors attenuated increases in pulmonary arterial pressure and decreases in systemic arterial pressure in response to arachidonic acid but did not alter responses ...
IN a subset of patients with asthma, nonsteroidal antiinflammatory drugs (NSAIDs) that inhibit both cyclooxygenase 1 (COX-1) and cyclooxygenase 2 (COX-2) can precipitate dangerous asthmatic attacks. It has been proposed that in these patients, the attacks are triggered by inhibition of COX-1 and not COX-2, and that the use of highly selective COX-2 inhibitors may be safe in asthmatic patients, ...
Cannabinoids have been implicated in the reduction of glioma growth. The present study investigated a possible relationship between the recently shown induction of cyclooxygenase (COX)-2 expression by the endocannabinoid analog R(+)methanandamide [R(+)-MA] and its effect on the viability of H4 human neuroglioma cells. Incubation with R(+)-MA for up to 72 h decreased the cellular viability and e...
BACKGROUND 25-hydroxycholesterol (25-OHC) is a product of oxidation of dietary cholesterol present in human plasma. 25-OHC and other oxidized forms of cholesterol are implicated in modulating inflammatory responses involved in development of atherosclerosis and colon carcinogenesis. METHODS Primary lymphatic, venous and arterial endothelial cells isolated from bovine mesentery (bmLEC, bmVEC, ...
It was suggested that endocannabinoids are metabolized by cyclooxygenase (COX)-2 in the spinal cord of rats with kaolin/λ-carrageenan-induced knee inflammation, and that this mechanism contributes to the analgesic effects of COX-2 inhibitors in this experimental model. We report the development of a specific method for the identification of endocannabinoid COX-2 metabolites, its application to ...
Hydrogen sulfide (H(2)S) has been shown to promote transient receptor potential vanilloid type 1 (TRPV1)-mediated neurogenic inflammation in sepsis and its associated multiple organ failure, including acute lung injury (ALI). Accumulating evidence suggests that the cyclooxygenase-2 (COX-2)/PGE(2) pathway plays an important role in augmenting inflammatory immune response in sepsis and respirator...
mono-targeting by imatinib as a main antitumor agent does not always accomplish complete cancer suppression. 2,5-dimethyl-celecoxib (dmc) is a close structural analog of the selective cyclooxygenase-2 (cox-2) inhibitor, celecoxib, that lacks cox-2 inhibitory function. in this study, we aimed to show the apoptotic effects of imatinib in combination with dmc in human ht-29 colorectal cancer (crc)...
Previously, we have shown that forced expression of prostaglandin endoperoxide synthase-2 [also called cyclooxygenase (COX) 2] leads to inhibition of programmed cell death in intestinal epithelial cells. More recently, we have demonstrated that growth of human colonic cancer xenografts is inhibited by treatment with a highly selective COX-2 inhibitor in tumors that express COX-2 (HCA-7) but not...
design of selective cyclooxygenase-2 (cox-2) inhibitors is still a challenging task because of active site similarities between cox isoenzymes. to help with this issue, we tried to generate a 3d-qsar (3 dimensional quantitative structure activity relationship) model that might reflect the essential features of cox-2 active sites. compounds in a series of resveratrol derivatives inhibitors with ...
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