نتایج جستجو برای: inos
تعداد نتایج: 7055 فیلتر نتایج به سال:
This study was conducted to investigate effects of vitamin A (VA) and K3 (VK3) on immune function intestinal antioxidant capacity aged laying hens. In a 3 × factorial arrangement, the diets 1080 Roman Pink hens (87 weeks old) formulated with deficient, adequate excess VA VK3, including 0, 7000 14000 IU/kg 2.0 4.0 mg/kg VK3 for 8 weeks. Interactive between were observed that decreased splenetic ...
BACKGROUND AND PURPOSE Inducible nitric oxide synthase (iNOS) is a mediator of vascular dysfunction during inflammation. The purpose of this study was to test the hypothesis that vascular dysfunction during diabetes is dependent on expression of iNOS. METHODS Diabetes was produced in mice with streptozotocin (150 mg/kg IP). After 4 to 6 months of diabetes, vasomotor function was examined in v...
By measurements of NO2-/NO3- (NOx) production and Northern blot analysis, we studied the effects of a membrane-permeable cAMP derivative, 8-bromo-cAMP, on the expression of inducible nitric oxide synthase (iNOS) gene and the synthesis of NOx in cultured rat vascular smooth muscle cells (VSMCs). 8-bromo-cAMP stimulated NOx production and increased steady-state levels of iNOS mRNA in rat VSMC in ...
Human inducible nitric oxide synthase (iNOS) expression is regulated both at transcriptional and post-transcriptional levels. In the present study, the effect of Jun N-terminal kinase (JNK) on human iNOS expression was investigated. In A549/8 human alveolar epithelial cells, both the inhibition of JNK by a pharmacological inhibitor SP600125 and siRNA-mediated down-regulation of JNK led to a red...
An antirat monoclonal antibody (mAb) against inducible nitric oxide synthase (iNOS), ANOS11, was used for immunohistochemistry to examine the expression of iNOS in various organs and tissues of adult rats in experimental endotoxic shock induced by lipopolysaccharide (LPS) injection. The phenotype of iNOS-expressed cells was also examined immunohistochemically using various mAbs. In control rats...
There is considerable interest in implantation techniques and scaffolds for tissue engineering and, for safety and biocompatibility reasons, inflammation, angiogenesis, and fibrosis need to be determined. The contribution of inducible nitric oxide synthase (iNOS) in the regulation of the foreign body reaction induced by subcutaneous implantation of a synthetic matrix was never investigated. Her...
Cytokine regulation of high-output nitric oxide (NO) derived from inducible NO synthase (iNOS) is critically involved in inflammation biology and host defense. Herein, we set out to characterize the role of type I interferon (IFN) as potential regulator of hepatic iNOS in vitro and in vivo. In this regard, we identified in murine Hepa1-6 hepatoma cells a potent synergism between pro-inflammator...
The peptidyl-proline isomerase Protein Never in Mitosis Gene A Interacting-1 (PIN1) increases the level or activity of several transcription factors that can induce the inducible nitric oxide (NO) synthase (iNOS). PIN1 can also regulate mRNA and protein turnover. Here, the effect of depletion of PIN1 on induction of iNOS by Escherichia coli endotoxin (LPS) and interferon-gamma (IFNgamma) in mur...
A series of potent and selective inducible nitric-oxide synthase (iNOS) inhibitors was shown to prevent iNOS dimerization in cells and inhibit iNOS in vivo. These inhibitors are now shown to block dimerization of purified human iNOS monomers. A 3H-labeled inhibitor bound to full-length human iNOS monomer with apparent Kd approximately 1.8 nm and had a slow off rate, 1.2 x 10(-4) x s(-1). Inhibi...
Exposure to hypergravity severely decreases renal blood flow, potentially causing renal dysfunction. Nitric oxide (NO), which is endogenously synthesized by inducible NO synthase (iNOS), plays an important role in the regulation of renal function. The purpose of this study was to examine the effect of hypergravity exposure on the production of NO in kidneys. To determine whether hypergravity in...
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