Search results for "Nitric oxide synthase 2"

showing 4 items of 4 documents

Protection by nitric oxide against liver inflammatory injury in animals carrying a nitric oxide synthase-2 transgene

2001

22 pages, 7 figures, 1 table.

Lipopolysaccharidesmedicine.medical_specialtyLipopolysaccharideTransgeneBlotting WesternNitric Oxide Synthase Type IIApoptosisGalactosamineMice TransgenicLipopolysaccharideNitric OxideBiochemistryLiver cellsProinflammatory cytokineNitric oxidechemistry.chemical_compoundMiceInternal medicineGeneticsmedicineAnimalsTransgenesPromoter Regions GeneticMolecular BiologyLiver injurybiologyTumor Necrosis Factor-alphaNF-kappa BNitric oxide synthase 2medicine.diseaseEndotoxinsEndocrinologychemistryLiverbiology.proteinTumor necrosis factor alphaNitric Oxide SynthasePhosphoenolpyruvate carboxykinaseFood DeprivationBiotechnologyInterleukin-1
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Nitric oxide synthase 2 (NOS2) expression in histologically normal margins of oral squamous cell carcinoma

2014

The activity of Nitric Oxide Synthase 2 (NOS2) was found in oral squamous cell carcinomas (OSCC) but not in normal mucosa. Molecular changes associated to early carcinogenesis have been found in mucosa near carcinomas, which is considered a model to study field cancerization. The aim of the present study is to analyze NOS2 expression at the histologically normal margins of OSCC. Study Design: Eleven biopsy specimens of OSCC containing histologically normal margins (HNM) were analyzed. Ten biopsies of normal oral mucosa were used as controls. The activity of NOS2 was determined by immunohistochemistry. Salivary nitrate and nitrite as well as tobacco and alcohol consumption were also analyzed…

MalePathologyNitric Oxide Synthase Type IImedicine.disease_causechemistry.chemical_compoundField cancerizationMedicineNitriteMouth neoplasmAged 80 and overbiologymedicine.diagnostic_testCarcinoma oral de células escamosasNitric oxide synthase 2Patología//purl.org/becyt/ford/3.1 [https]Middle Aged:CIENCIAS MÉDICAS [UNESCO]Ciencias de la saludMedicina BásicaOral squamous cell carcinomaUNESCO::CIENCIAS MÉDICASCarcinoma Squamous CellImmunohistochemistryFemaleMouth Neoplasms//purl.org/becyt/ford/3 [https]Adultmedicine.medical_specialtyCIENCIAS MÉDICAS Y DE LA SALUDOdontologíaBiopsyparasitic diseasesCarcinomaHumansNitric Oxide Synthase 2 (NOS2)Cancerización de campoGeneral DentistryAgedMarcadores de malignidadOral Medicine and Pathologybusiness.industryResearchmedicine.diseasestomatognathic diseasesCross-Sectional StudiesOtorhinolaryngologychemistrybiology.proteinSurgeryField cancerizationbusinessCarcinogenesisMalignity markers
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Retinoic acid inhibits nitric oxide synthase-2 expression through the retinoic acid receptor-alpha.

2000

Retinoids are multipotent modulators of cellular functions and suppress cytokine-induced production of nitric oxide (NO) in several cell types. We have explored the mechanisms by which retinoic acid (RA) regulates NO production in rat aortic smooth muscle cells (VSMC), which express NOS2 in response to proinflammatory cytokines. RA inhibited interleukin-1beta (IL-1beta)-induced NOS2 mRNA expression and NO production. These effects were attenuated by the retinoic acid receptor (RAR) antagonist CD3106, indicating that they were mediated through retinoic acid receptors (RARs). The synthetic retinoid agonists CD336 (which specifically binds RARalpha) and CD367 (which binds all RARs) but not ago…

MaleTranscription GeneticReceptors Retinoic AcidBiophysicsRetinoic acidNitric Oxide Synthase Type IIRetinoic acid receptor betaAorta ThoracicTretinoinBiochemistryGene Expression Regulation EnzymologicMuscle Smooth VascularProinflammatory cytokineRetinoic acid-inducible orphan G protein-coupled receptorRats Sprague-Dawleychemistry.chemical_compoundparasitic diseasesAnimalsPromoter Regions GeneticMolecular BiologyCells CulturedbiologyRetinoic Acid Receptor alphaNitric oxide synthase 2Cell BiologyRetinoic acid receptor gammarespiratory systemCell biologyRatsRetinoic acid receptorKineticsBiochemistrychemistryRetinoic acid receptor alphabiology.proteinNitric Oxide SynthaseInterleukin-1Biochemical and biophysical research communications
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Ultraviolet A1 radiation induces nitric oxide synthase-2 expression in human skin endothelial cells in the absence of proinflammatory cytokines.

2001

Skin exposure to ultraviolet radiation from sunlight causes erythema and edema formation as well as inflammatory responses. As some of these ultraviolet-induced effects are potentially mediated by nitric oxide synthases, we examined the role of cytokines and ultraviolet A 1 radiation (340–400 nm) on the expression of the nitric oxide synthase-2 in endothelia of normal human skin biopsies during short-term organ culture as well as expression and activity of the nitric oxide synthase-2 in in vitro cell cultures of human dermal endothelial cells. Both, cytokine challenge (interleukin-1β + tumor necrosis factor-α + interferon-γ) but also ultraviolet A 1 exposure (50 J per cm 2 ) in the absence …

ultraviolet A1Ultraviolet Raysmedicine.medical_treatmentNitric Oxide Synthase Type IIHuman skinInflammationDermatologyBiologyBiochemistryProinflammatory cytokineNitric oxideCell Linechemistry.chemical_compoundInterferon-gammanitric oxidemedicineHumansEndotheliumPromoter Regions GeneticMolecular BiologySkinTumor Necrosis Factor-alphaNitric oxide synthase 2Cell BiologyMolecular biologynitric oxide synthase-2endothelial cellsNitric oxide synthasehealing cytokinesCytokinechemistryEnzyme InductionImmunologybiology.proteinCytokinesTumor necrosis factor alphamedicine.symptomhuman skinInflammation MediatorsNitric Oxide SynthaseInterleukin-1The Journal of investigative dermatology
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