Search results for " nitric oxide."

showing 10 items of 118 documents

In the rat maximal dentate activation model of partial complex epilepsy, the anticonvulsant activity of levetiracetam is modulated by nitric oxide-ac…

2009

The effects of nitric oxide-active drugs on the anticonvulsant action of the antiepileptic drug levetiracetam in an experimental model of partial complex seizures named maximal dentate gyrus activation were studied in rats. Levetiracetam was given alone or in combination with 7-nitroindazole, a preferential inhibitor of neuronal nitric oxide synthase, or with L: -arginine, the precursor of nitric oxide synthesis. The maximal dentate activation parameters were the time of latency and the durations of maximal dentate activation and afterdischarge responses. The administration of levetiracetam showed an anticonvulsant effect that was increased when given in combination with 7-nitroindazole. Th…

Male7-NitroindazoleIndazolesLevetiracetamMaximal dentate activation - Nitric oxide - Levetiracetam - Modulation - 7-Nitroindazolemedicine.medical_treatmentNitric Oxide Synthase Type IPharmacologyArginineNitric OxideSettore BIO/09 - FisiologiaNitric oxideEpilepsychemistry.chemical_compoundEpilepsy Complex PartialmedicineAnimalsDrug InteractionsEnzyme InhibitorsRats WistarMaximal dentate activation Nitric oxide Levetiracetam Modulation 7-NitroindazoleBiological PsychiatryDose-Response Relationship DrugChemistryDentate gyrusPiracetammedicine.diseaseEffective dose (pharmacology)PiracetamRatsPsychiatry and Mental healthDisease Models AnimalDrug CombinationsAnticonvulsantNeurologyDentate GyrusAnticonvulsantsNeurology (clinical)Levetiracetammedicine.drugJournal of neural transmission (Vienna, Austria : 1996)
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SARS CoV2 infection _The longevity study perspectives

2021

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MaleAgingssRNA single-stranded RNARFLP restriction fragment length polymorphismHSPs heat shock proteinsReviewPTMs post-translational modificationsSevere Acute Respiratory SyndromeBiochemistryHIV-1 human immunodeficiency virus-1TNF-α tumor necrosis factor-αEC endothelial cells0302 clinical medicineFluAV influenza A virusI insertionMedicineIFN-γ interferon-γDIC disseminated intravascular coagulationPCR Polymerase Chain Reactionmedia_commonAged 80 and overLongevityRBD receptor-binding domainNeurologyLongevity modelMI myocardial infarctionNK natural killerhPIV2 human parainfluenza virus type 2media_common.quotation_subjectResearching genetic basis of resistance and potential pharmacological targetsLongevityDBP diastolic blood pressureNF-Kb nuclear transcription factor kBRANTES regulated upon activation normal T cell expressed and secretedMphi human macrophages03 medical and health sciencesCox 2 cyclooxygenase 2ORF open reading framePT prothrombin timeSettore MED/05 - Patologia ClinicaHumansMolecular BiologyInflammatory genesARDS acute respiratory distress syndromeNO nitric oxideD deletionCpGIs CpG islandsT2DM type 2 diabetes mellitusmedicine.diseaseFDP fibrin degradation products030104 developmental biologySARS CoV2 severe acute respiratory syndrome Coronavirus 2 virusImmunologyBMI body max indexItalian nonagenarians/centenariansRSV respiratory syncytial virusComplication030217 neurology & neurosurgeryMAPK mitogen-activated protein kinaseIP-10 IFN-γ -Inducible Protein 1040301 basic medicineAT1R activity of angiotensin 1 receptorsDCs dentritic cellsSSCP single strand conformation polymorphismACE/DD polymorphism of the angiotensin converting enzymeFGF21 fibroblast growth factor 21TLR4 toll-like receptor 4NAD nicotinamide adenine dinucleotideACE angiotensin-I converting enzymeAT2R activity of angiotensin 2 receptorsCOVID-19 Coronavirus disease 2019Respiratory distressACE2 angiotensin converting enzyme 2MKP-1 mitogen-activated protein kinase phosphatase-1 ()PD protease domainSNP single nucleotide polymorphismEH essential hypertensionTNFR tumor necrosis factor receptorINR international normalized ratio of the prothrombin timePAI-1 plasminogen activator inhibitor-1Ang angiotensinLPS lipopolysaccharideMCP1 monocyte chemoattractant protein-1medicine.symptomaPTT partial thromboplastin timeBiotechnologyDUSP1 dual specificity phosphatase 1Coronavirus disease 2019 (COVID-19)PC prostate cancerRAS renin-angiotensin aldosterone systemCCR5Δ32 genetic variant of chemokine receptorCOVID-19 Researching genetic basis of resistance and potential pharmacological targets Italian nonagenarians/centenarians Longevity modelAsymptomaticSARS-1 severe acute respiratory syndrome virus 1SIRT-1 Sirtuin 1Th1 t-helper lymphocyte type 1Immune systemROS reactive oxygen speciesTGF-β transforming growth factor betaET-1 endothelin-1ComputingMethodologies_COMPUTERGRAPHICSADAM-17 metallopeptidase domain 17business.industrySARS-CoV-2SBP systolic blood pressureCOVID-19HDACs histone deacetylasesComorbidityImmune Systembusiness5-LO lipoxygenase 5Ageing Research Reviews
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Altered tachykinergic influence on gastric mechanical activity in mdx mice

2006

Abstract This study investigated whether alterationsin gastric activity in dystrophic mdx mouse can beattributed to dysfunctions of tachykinins. Endolumi-nal pressure was recorded and the expression ofneuronal nitric oxide synthase (nNOS), NK1 and NK2neurokinin receptors was investigated by immunoh-istochemistry. SR48968, NK2 receptor antagonist, butnot SR140333, NK1 receptor antagonist, decreased thetone only in mdx gastric preparations. In the presenceof N x -nitro- L -arginine methyl ester ( L -NAME), inhib-itor of NOS, SR48968 reduced the tone also in normalstomach. [Sar 9 , Met(O 2 ) 11 ]-SP, agonist of NK1 recep-tors, caused tetrodotoxin-sensitive relaxations, antag-onized by SR140333…

MaleAgonistQuinuclidinesmedicine.medical_specialtymdx mouseManometryPhysiologymedicine.drug_classNitric Oxide Synthase Type ISettore BIO/09 - FisiologiaNitric oxideMicechemistry.chemical_compoundimmunohistochemistry mdx mouse nitric oxide stomach tachykininsOrgan Culture TechniquesNeurokinin-1 Receptor AntagonistsPiperidinesTachykininsInternal medicinemedicineAnimalsEnzyme InhibitorsReceptorbiologyEndocrine and Autonomic SystemsStomachStomachGastroenterologyAntagonistMuscle SmoothReceptors Neurokinin-2Receptors Neurokinin-1musculoskeletal systemImmunohistochemistryMuscular Dystrophy DuchenneNitric oxide synthaseDisease Models AnimalNG-Nitroarginine Methyl Estermedicine.anatomical_structureEndocrinologychemistryMuscle TonusBenzamidesMice Inbred mdxbiology.proteinNK1 receptor antagonistGastrointestinal MotilityMuscle Contraction
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Noninvasive methods for the detection of upper and lower airway inflammation in atopic children

2006

Background Exhaled nitric oxide (FE NO ) and exhaled breath condensate (EBC) are noninvasive methods to assess inflammation. Objective To investigate the role of the FE NO and of the EBC pH and IL-5 levels in atopic children. Methods We evaluated oral and nasal FE NO and the pH and IL-5 of oral and nasal EBC in children with atopic dermatitis (AD; n=18), allergic rhinitis (AR; n=18), intermittent asthma (n = 21), moderate persistent asthma (n = 18), and healthy controls (HCs; n=16). Results Oral FE NO was significantly increased in asthma, whereas the nasal values were increased in AR and asthma in comparison with HCs. The pH of oral EBC was lower in AD and asthma than in AR and HCs, wherea…

MaleAllergyRhinitis Allergic PerennialAdolescentImmunologyBronchitiNitric OxideDermatitis AtopicAtopymedicineImmunology and AllergyHumansExhaled breath condensateExpirationBronchitisChildInflammation MediatorAsthmabusiness.industryMouth MucosaRhinitis Allergic SeasonalAtopic dermatitisDermatitis Atopic; Mouth Mucosa; Exhalation; Humans; Hydrogen-Ion Concentration; Asthma; Child; Nitric Oxide; Rhinitis Allergic Perennial; Rhinitis Allergic Seasonal; Interleukin-5; Nasal Mucosa; Inflammation Mediators; Bronchitis; Adolescent; Female; MaleHydrogen-Ion Concentrationmedicine.diseaseAsthmarespiratory tract diseasesNasal Mucosamedicine.anatomical_structureExhalationImmunologyExhaled nitric oxideFemaleInflammation MediatorsInterleukin-5businessRespiratory tractHuman
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Nasal budesonide efficacy for nasal nitric oxide and nasal obstruction in rhinitis

2017

Nasal nitric oxide (nNO) is a noninvasive tool that may be helpful in evaluating the inflammatory status in the upper airways [1]. Previous studies report that nNO is elevated in children with Allergic Rhinitis (AR) [2], especially in perennial sensitized subjects [3], and that it may be affected by topical administration of intranasal steroids (INSs) [4]. This article is protected by copyright. All rights reserved.

MaleBudesonideRhinitis Allergic PerennialImmunologyAdministration Intranasal; Budesonide; Child; Double-Blind Method; Eosinophils; Female; Glucocorticoids; Humans; Male; Nasal Obstruction; Nitric Oxide; Rhinitis Allergic Perennial; Sleep; Pediatrics Perinatology and Child Health; Immunology and Allergy; ImmunologyNitric OxidePediatricsNitric oxidelaw.invention03 medical and health scienceschemistry.chemical_compoundAllergic0302 clinical medicineDouble-Blind MethodRandomized controlled triallawHumansImmunology and AllergyMedicineChild030223 otorhinolaryngologyBudesonideGlucocorticoidsChildrenAdministration IntranasalRhinitisbusiness.industryPerinatology and Child HealthNitric oxide metabolismPerennialNasal obstructionNasal nitric oxideEosinophilsIntranasal030228 respiratory systemchemistryAnesthesiaAdministrationPediatrics Perinatology and Child HealthFemaleNasal administrationSleepbusinessmedicine.drug
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Clinical and Biological Heterogeneity in Children with Moderate Asthma

2003

To evaluate the relationship between inflammatory markers and severity of asthma in children, the amount of interleukin-8 (IL-8) and granulocyte/macrophage colony-stimulating factor (GM-CSF) released by peripheral blood mononuclear cells, exhaled nitric oxide (FE NO) levels, p65 nuclear factor-kappaB subunit, and phosphorylated IkBalpha expression by peripheral blood mononuclear cells were assessed in six control subjects, 12 steroid-naives subjects with intermittent asthma, and 17 children with moderate asthma. To investigate their predictive value, biomarker levels were correlated with the number of exacerbations during a 18-month follow-up period. We found that GM-CSF release was higher …

MaleExacerbationAnti-Inflammatory AgentsCritical Care and Intensive Care MedicineSynaptotagminsMedicineChildSalmeterol XinafoateCalcium-Binding ProteinMembrane GlycoproteinsRespiratory diseaseNF-kappa Binflammatory markersBronchodilator AgentsAnti-Inflammatory AgentSynaptotagmin IBiomarker (medicine)FemaleMembrane GlycoproteinAndrostadienes; Anti-Inflammatory Agents; NF-kappa B; Leukocytes Mononuclear; Membrane Glycoproteins; Granulocyte-Macrophage Colony-Stimulating Factor; Humans; Synaptotagmins; Albuterol; Asthma; Child; Receptors Cell Surface; Nerve Tissue Proteins; Nitric Oxide; Synaptotagmin I; Calcium-Binding Proteins; Interleukin-8; Adolescent; Bronchodilator Agents; Male; Biological Markers; Femalemedicine.symptomHumanmedicine.drugPulmonary and Respiratory MedicineAdolescentNerve Tissue ProteinsReceptors Cell SurfaceInflammationNitric OxidePeripheral blood mononuclear cellFluticasone propionateHumansAlbuterolBronchodilator AgentAsthmaAndrostadienefluticasone propionatebusiness.industryCalcium-Binding ProteinsInterleukin-8Granulocyte-Macrophage Colony-Stimulating Factormedicine.diseaseSynaptotagminAsthmaAndrostadienesasthma; inflammatory markers; fluticasone propionateNerve Tissue ProteinBiological MarkerExhaled nitric oxideImmunologyLeukocytes MononuclearFluticasonebusinessBiomarkersAmerican Journal of Respiratory and Critical Care Medicine
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Early Alterations of Endothelial Nitric Oxide Synthase Expression Patterns in the Guinea Pig Cochlea After Noise Exposure.

2019

Constitutively expressed endothelial nitric oxide synthase (eNOS) is supposed to play a role in noise-induced nitric oxide (NO)-production. It is commonly known that intense noise exposure results in inducible NOS (iNOS) expression and increased NO-production, but knowledge about a contribution of the eNOS isoform is still lacking. Effects of noise exposure on eNOS immunolabeling were determined in male guinea pigs ( n=24). For light microscopic analysis, 11 animals were exposed to 90 dB for 1 hr and 6 animals were used as controls. After exposure, eNOS immunostaining was performed on paraffin sections, and the staining intensities were quantified for 4 cochlear regions. For electron micro…

MaleHistologyNitric Oxide Synthase Type IIIGuinea PigsNitric oxide03 medical and health scienceschemistry.chemical_compound0302 clinical medicineNoise exposureEnosAnimals030304 developmental biology0303 health sciencesEndothelial nitric oxide synthasebiologyArticlesbiology.organism_classificationImmunohistochemistryCell biologyCochleachemistryHearing Loss Noise-InducedReticular connective tissueAnatomyGuinea pig cochleaNoise030217 neurology & neurosurgeryThe journal of histochemistry and cytochemistry : official journal of the Histochemistry Society
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Differential localization of neuronal nitric oxide synthase immunoreactivity and NADPH-diaphorase activity in the cat spinal cord.

1994

The distributions of neuronal nitric oxide synthase immunoreactivity (NOS-IR) and NADPH-diaphorase (NADPH-d) activity were compared in the cat spinal cord. NOS-IR in neurons around the central canal, in superficial laminae (I and II) of the dorsal horn, in the dorsal commissure, and in fibers in the superficial dorsal horn was observed at all levels of the spinal cord. In these regions, NOS-IR paralleled NADPH-d activity. The sympathetic autonomic nucleus in the rostral lumbar and thoracic segments exhibited prominent NOS-IR and NADPH-d activity, whereas the parasympathetic nucleus in the sacral segments did not exhibit NOS-IR or NADPH-d activity. Within the region of the sympathetic autono…

MaleHistologyPathology and Forensic MedicineNitric oxidechemistry.chemical_compoundLumbarDorsal root ganglionGanglia SpinalmedicineAnimalsNeuronsNADPH-diaphorase activityChemistryNADPH DehydrogenaseCell BiologyAnatomyCommissureSpinal cordImmunohistochemistrymedicine.anatomical_structureSpinal NervesSpinal CordCatsFemaleAmino Acid OxidoreductasesNitric Oxide SynthaseNucleusNeuronal Nitric Oxide SynthaseCell and tissue research
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Sensitization to dust mite defines different phenotypes of asthma: A multicenter study

2017

Background Indoor allergens are risk factors for asthma: Thus, the characterization of indoor air quality is important for studying environment–health relationships in children. In particular, Dermatophagoides pteronyssinus is the dominant allergen for asthma. We cross-sectionally investigated the relationships among respiratory symptoms and function, airway inflammation, allergen sensitization, and indoor allergen concentration. Methods One hundred and thirty-two children aging 10-14 years and living in a Southern Mediterranean area were evaluated by parental questionnaires. Spirometry, exhaled nitric oxide (FeNO), skin prick tests, total, and specific serum IgE analyses were performed alo…

MaleImmunoglobulin Emedicine.disease_causePulmonary function testingExhaled nitric oxide0302 clinical medicineAllergenRisk FactorsSurveys and QuestionnairesCluster AnalysisMedicineImmunology and Allergy030212 general & internal medicineCluster analysiChildSensitizationSettore ING-IND/11 - Fisica Tecnica Ambientalebiologymedicine.diagnostic_testMediterranean RegionPyroglyphidaerespiratory systemPhenotypemedicine.anatomical_structureAir Pollution IndoorFemalemedicine.symptomSpirometryAdolescentAsthma risk factorImmunologyNitric Oxide03 medical and health sciencesIndoor allergenWheezeAnimalsHumansAsthma risk factorsIndoor allergensSkin TestsAsthmabusiness.industryEnvironmental ExposureAllergensImmunoglobulin Emedicine.diseaseAsthmarespiratory tract diseasesCross-Sectional Studies030228 respiratory systemSpirometryImmunologyExhaled nitric oxidePediatrics Perinatology and Child Healthbiology.proteinbusiness
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Nitroglycerin-induced endothelial dysfunction and tolerance involve adverse phosphorylation and S-glutathionylation of endothelial nitric oxide synth…

2011

Continuous administration of nitroglycerin (GTN) causes tolerance and endothelial dysfunction by inducing reactive oxygen species (ROS) production from various enzymatic sources, such as mitochondria, NADPH oxidase, and an uncoupled endothelial nitric oxide synthase (eNOS). In the present study, we tested the effects of type 1 angiotensin (AT(1))-receptor blockade with telmisartan on GTN-induced endothelial dysfunction in particular on eNOS phosphorylation and S-glutathionylation sites and the eNOS cofactor synthesizing enzyme GTP-cyclohydrolase I.Wistar rats were treated with telmisartan (2.7 or 8 mg/kg per day PO for 10 days) and with GTN (50 mg/kg per day SC for 3 days). Aortic eNOS phos…

MaleNitric Oxide Synthase Type IIIPhysiologyVasodilator AgentsPharmacologyBenzoatesCell LineNitroglycerinmedicineAnimalsHumansTelmisartanEnzyme InhibitorsPhosphorylationRats WistarS-GlutathionylationEndothelial dysfunctionGTP CyclohydrolaseBeneficial effectsNitroglycerinPharmacologyAngiotensin II receptor type 1Dose-Response Relationship DrugEndothelial nitric oxide synthaseChemistryEndothelial CellsDrug ToleranceAldehyde Dehydrogenasemedicine.diseaseGlutathioneMitochondriaRatsVasodilationOxidative StressTetrahydrofolate DehydrogenaseMolecular MedicinePhosphorylationBenzimidazolesEndothelium VascularTelmisartanReactive Oxygen SpeciesAngiotensin II Type 1 Receptor BlockersProtein Processing Post-Translationalmedicine.drugVascular Pharmacology
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