نتایج جستجو برای: cox2
تعداد نتایج: 1295 فیلتر نتایج به سال:
PGE(2) is the key factor needed for MDSCs development, accumulation and functional stability. PGE(2) initiates an EP2/EP4-mediated positive feedback between COX2 and PGE(2) in monocytic precursors, redirecting dendritic cell differentiation to MDSCs. COX2- or EP2/EP4- blockade abrogates MDSC functions and their CXCR4-CXCL12-mediated attraction to cancer environment, providing convenient immunot...
مقدمه: مهارکننده های انتخابی آنزیم سیکلواکسیژناز دو، نظیر سلوکوکسیب، روفوکوکسیب و والدوکسیب اخیراً به عنوان کاهنده های پاسخ های التهابی به کار می روند، با وجود این هنوز به مطالعات و تحقیقات بیشتری در زمینه مهارکننده های انتخابی Cox2 نیاز است. این مطالعه در راستای معرفی ساختارهای جدید با میل ترکیبی بیشتر به آنزیم Cox2 می باشد. مواد و روش ها: ساختارهای شیمیایی با 80 درصد شباهت به...
Using tissue microarrays (TMAs) we studied COX2/PPARG immunoreactivity in a broad spectrum of tumors focussing on clinicopathological correlations and the outcome of patients with malignant melanoma (MM). TMA-1 contained normal and tumor tissues (n = 3448) from 47 organs including skin neoplasms (n = 323); TMA-2 88 primary MM, 101 metastases, and 161 benign nevi. Based on a biomodulatory approa...
Introduction. Hepatic inflammation underlies the pathogenesis of chronic diseases such as insulin resistance and type 2 diabetes mellitus. S-[6]-Gingerol has been shown to have anti-inflammatory properties. Important inflammatory mediators of interleukins include nuclear factor κ B (NF κ B) and cyclooxygenase 2 (COX2). We now explore the mechanism of anti-inflammatory effects of S-[6]-gingerol ...
As previously demonstrated, the maize cox2 RNA is fully edited in cauliflower mitochondria. Use of constructs with a deleted cox2 intron, however, led to a loss of RNA editing at almost all editing sites, with only a few sites still partially edited. Likewise, one deletion in exon 1 and three in exon 2 abolish RNA editing at all cox2 sites analyzed. Furthermore, intron splicing is abolished usi...
Intron loss is often thought to occur through retroprocessing, which is the reverse transcription and genomic integration of a spliced transcript. In plant mitochondria, several unambiguous examples of retroprocessing are supported by the parallel loss of an intron and numerous adjacent RNA edit sites, but in most cases, the evidence for intron loss via retroprocessing is weak or lacking entire...
This article reports on the design, synthesis, and pharmacological activity of a new series of hybrid pyrazole analogues: 5a-5u. Among the series 5a-5u, the compounds 5u and 5s exhibited potent anti-inflammatory activity of 80.63% and 78.09% and inhibition of 80.87% and 76.56% compared with the standard drug ibuprofen, which showed 81.32% and 79.23% inhibition after 3 and 4 hours, respectively....
We analyzed expression elements of three disparate groups of mitochondrial genes in Neurospora crassa, apocytochrome b (COB), cytochrome c oxidase 1 (COX1), and the clustered ATP8-ATP6-mtATP9-COX2. To identify promoter sequences we employed the published N. crassa consensus sequence for COB and rRNA genes, and we found closely related sequences within the 5'-regions of both COX1 and the ATP8-CO...
The nuclear factor of activated T cells (NFAT) family of transcription factors plays important roles in many biologic processes, including the development and function of the immune and vascular systems. Cells usually express more than one NFAT member, raising the question of whether NFATs play overlapping roles or if each member has selective functions. Using mRNA knock-down, we show that NFAT...
Our results showed that treatment with both cyclooxygenase (COX1 or COX2) inhibitors impair reproduction parameters of the medaka. Resveratrol (COX1 inhibitor) caused an decrease in the number of spawning females at the first week of feeding fish with experimental diets. In the group treated with NS398 (COX2 inhibitor) we found the lowest sperm velocity parameters and decreased linearity of mov...
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