نتایج جستجو برای: selective cox 2 inhibitor
تعداد نتایج: 2831454 فیلتر نتایج به سال:
Prostaglandin formation is enhanced in vascular disease, in part through induction of cyclooxygenase (COX-2) in vascular smooth muscle cells. Because COX regulates cell growth and migration, we examined whether the COX expression plays a role in the development of intimal hyperplasia after vascular injury. Rats undergoing balloon angioplasty of the carotid artery were randomized to receive a se...
OBJECTIVES This study was carried out to investigate the effects of COX-2 selective inhibitor (Celecoxib) or non-selective COX inhibitor (Ibuprofen) on gastrointestinal motility. MATERIALS AND METHODS THE RATS WERE RANDOMLY DIVIDED INTO FIVE GROUPS INCLUDING: intact, sham, traumatic brain injury (TBI) group (intact rats under TBI), Celecoxib group (10 mg/kg), Ibuprofen group (10 mg/kg). Rats ...
Non-steroidal anti-inflammatory drugs (NSAIDs) including selective cyclo-oxygenase-2 (COX-2) inhibitors are some of the most commonly prescribed medications worldwide. Nonselective cyclo-oxygenase (COX) inhibitors impair bone healing by inhibiting prostaglandin synthesis. The purpose of this study was to evaluate the long-term effect of etoricoxib, a new selective COX-2 inhibitor, on bone heali...
Angiogenic Growth Factor Production in Ovarian Cancer Cyclooxygenase-1 is Overexpressed and Promotes
Inhibition of cyclooygenase-2 (COX-2) catalytic activity has proven successful in restricting the growth of epithelial-derived cancers in vivo. Whether COX-2 inhibitor therapy would be beneficial in the prevention and/or treatment of ovarian cancer, the most lethal gynecological malignancy worldwide, is not known. Most patients with ovarian cancer undergo cytoreductive therapy. Because many of ...
Comparison between two cyclooxygenase inhibitors in an experimental dry eye model in albino rabbits.
The purpose of this study was to compare the topical anti-inflammatory effects of the nonselective cyclooxygenase (COX) inhibitor, ketorolac, with the selective COX-2 inhibitor, nimesulide, in an animal model of dry eye in albino rabbits. All animals were examined by the Schirmer test, tear break-up time (TBUT) and fluorescein corneal staining test. Dry eye model showed significant reduction in...
Prostanoids are involved in the phenylephrine-induced contraction of the aorta. Here, we examined whether or not constitutive cyclooxygenase-2 (phosholipases C and A2) is the source of prostanoids in the smooth muscle of the arterial wall of the thoracic and abdominal aorta. Both cyclooxygenase isoforms (COX-1 and COX-2) were expressed in the two aortic segments, but their expression was not al...
Previous studies have suggested a possible role for prostaglandins (PGs) in mediating alterations in nephron structure and function ensuing after renal ablation. Two isoforms of cyclooxygenase (COX) have been described: constitutive (COX-1) and inducible (COX-2). We examined expression of these isoforms following subtotal renal ablation (5/6 ablation, RA) in rats. In renal cortex, COX-2 mRNA an...
Evidence shows that suboptimal adherence to gastroprotective agents (GPAs) decreases the beneficial effects on the risk of upper gastrointestinal (GI) complications (UGIC) associated with the use of traditional non steroidal anti-inflammatory drugs (NSAIDs) [1]. There is less evidence about the role of GPA adherence for lowering the risk of UGIC in selective cyclooxygenase (COX)-2 inhibitors us...
It is well-established that prostaglandins (PGs) affect tumorigenesis, and evidence indicates that PGs also are important for the reduced food intake and body weight loss, the anorexia-cachexia syndrome, in malignant cancer. However, the identity of the PGs and the PG producing cyclooxygenase (COX) species responsible for cancer anorexia-cachexia is unknown. Here, we addressed this issue by tra...
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