نتایج جستجو برای: cox
تعداد نتایج: 49517 فیلتر نتایج به سال:
a group of regioisomeric 5-oxo-1,4,5,6,7,8 hexahydroquinoline derivatives possessing a cox-2 so2me pharmacophore at the para position of the c-2 or c-4 phenyl ring, in conjunction with a c-4 or c-2 phenyl (4-h) or substituted-phenyl ring (4-f,4-cl,4-br,4-ome,4-me, 4-no2), were designed for evaluation as selective cyclooxygenase-2 (cox-2) inhibitors. these target 5-oxo-1,4,5,6,7,8 hexahydroquino...
This paper proposes an analytical approximation to price exotic options within a stochastic volatility framework. Assuming a general mean reverting process for the underlying asset and a square-root process for the volatility, we derive an approximation for option prices using a Taylor expansion around two average defined volatilities. The moments of the average volatilities are computed analyt...
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 ...
background: the incidence of restenosis in patients suffering from coronary artery disease after undergoing angioplasty is of paramount importance. accordingly, this study aimed to investigate factors affecting the time of the first incidence of restenosis in patients undergone angioplasty in the city of zanjan, iran. methods: this retrospective cohort study was conducted on 421 patients who ...
this study was designed to investigate causes of culling in industrial dairy herds in fars province and to describe the pattern of reason-specific culling with respect to age of animal and interval from calving to culling. a total number of 9 dairy herds were selected for the study and information about culling reasons, birth date, last calving date and culling date was collected for culled cow...
Despite the important role of both cyclooxygenase (COX) isoforms (i.e. COX-1 and COX-2) in maintenance of hypersensitivity following peripheral nerve injury, their role in the development of neuropathic pain is not clear. The present study was undertaken to determine the effect of COX inhibitors to address the potential role of COX isozymes in the development of neuropathic pain in rats after c...
Colorectal cancer is one of the most common cancers in the world. Various factors are involved in the development and progression of this disease. One of these agents is cyclooxygenase-2 (COX-2). COX-2 is a product of the PTGS2 gene and converts free arachidonic acid to prostaglandins. COX-2 is not naturally expressed in most normal cells. Noticeably, the increased expression of COX-2 has been ...
background: cox proportional hazard (cph) model is the most widely used model for survival analysis. when there are unobserved/unmeasured individuals factor, then the results of the cox proportional hazard model may not be reliable. the purpose of this study was to compare the results of cph and frailty models in breast cancer (bc) patients. methods: a historical cohort study was carried out us...
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