178,742 results match your criteria nitric oxide

Dual disruption of eNOS and ApoE gene accelerates kidney fibrosis and senescence after injury.

Biochem Biophys Res Commun 2021 Apr 9;556:142-148. Epub 2021 Apr 9.

Department of Nephrology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, 7708503, Japan.

The relationship between cellular senescence and fibrosis in the kidney is being elucidated and we have identified it as therapeutic target in recent studies. Chronic kidney disease has also become a lifestyle disease, often developing on the background of hypertension and dyslipidemia. In this study, we clarify the effect of interaction between these two conditions on kidney fibrosis and senescence. Read More

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In silico and in vitro studies of isolated constituents from Callistemon citrinus leaves: Anti-microbial potential and inhibition of iNOS activity.

Phytochemistry 2021 Apr 9;186:112745. Epub 2021 Apr 9.

National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA; Division of Pharmacognosy, Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA. Electronic address:

Phytochemical investigation of Callistemon citrinus (Curtis) Skeels (syn. Callistemon lanceolatus (Sm.) Sweet and Melaleuca citrina (Curtis) Dum. Read More

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Blue laser-induced selective vasorelaxation by the activation of NOSs.

Microvasc Res 2021 Apr 9:104165. Epub 2021 Apr 9.

Department of Physiology, KU Open Innovation Center, Research Institute of Medical Science, Konkuk University School of Medicine, Chungju, South Korea. Electronic address:

Phototherapy has been tried for treating cardiovascular diseases. In particular, ultraviolet and blue visible lights were suggested to be useful due to their nitric oxide (NO)-production ability in the skin. However, the effects of blue light on the arterial contractility is controversial. Read More

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Effect of l-carnitine on cardiotoxicity and apoptosis induced by imatinib through PDGF/ PPARγ /MAPK pathways.

Arch Biochem Biophys 2021 Apr 9:108866. Epub 2021 Apr 9.

Pharmacology Unit, Cancer Biology Department, National Cancer Institute, Cairo University, Egypt. Electronic address:

A tyrosine kinase inhibitor Imatinib (IM) is used in the treatment of different varieties of cancers. The current study was designed to explore the beneficial role of l-carnitine against IM-induced cardiotoxicity in rats. Male albino rats received IM (40 mg/kg, i. Read More

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Farrerol ameliorate adjuvant-induced ankle injury via alteration of PPAR-γ signal pathway.

J Food Biochem 2021 Apr 12:e13585. Epub 2021 Apr 12.

Department of Hand Surgery, Honghui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi, 710054, China.

This study evaluated the anti-inflammatory activity against lipopolysaccharide (LPS)-mediated mouse macrophages (in vitro) and assessed the protective effect of farrerol on arthritis caused by complete freund adjuvant (CFA) in rats. For the evaluation of the pharmacological effect of farrerol on the activity of nitric oxide (NO) and cyclooxygenase, pro-inflammatory cytokines including interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and interleukin-1β, RAW 264.7 cells were used. Read More

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Sapropterin (BH4) Aggravates Autoimmune Encephalomyelitis in Mice.

Neurotherapeutics 2021 Apr 12. Epub 2021 Apr 12.

Institute of Clinical Pharmacology, Medical Faculty, Goethe-University, Frankfurt, Germany.

Depletion of the enzyme cofactor, tetrahydrobiopterin (BH4), in T-cells was shown to prevent their proliferation upon receptor stimulation in models of allergic inflammation in mice, suggesting that BH4 drives autoimmunity. Hence, the clinically available BH4 drug (sapropterin) might increase the risk of autoimmune diseases. The present study assessed the implications for multiple sclerosis (MS) as an exemplary CNS autoimmune disease. Read More

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Pharmaceuticals agents for preventing NSAID-induced gastric ulcers: a patent review.

Expert Rev Clin Pharmacol 2021 Apr 12:1-10. Epub 2021 Apr 12.

Federal University of Sergipe, Department of Pharmacy, São Cristovão, Sergipe, Brazil.

Introduction: Nonsteroidal anti-inflammatory drugs (NSAIDs) are a class of drugs widely used due to their pharmacological potential, demonstrating anti-inflammatory, analgesic, or antipyretic activity. However, prolonged use of these medications can lead to the development of gastric ulcers in patients. This review aimed to find patents for drugs with an anti-inflammatory and gastroprotective character to treat NSAID-induced gastric ulcers. Read More

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Behavioural and biochemical indications of the antidepressant activities of essential oils from (Gaertn) seed and (Dunal) fruit in rats.

IBRO Neurosci Rep 2021 Jun 21;10:66-74. Epub 2021 Jan 21.

Department of Biochemistry, Federal University of Technology, Owerri, Imo State, Nigeria.

and are two underutilised spices that are hypothesized to be important in the management and treatment of certain stress-induced diseases such as depression. The present study was designed to test the anti-depressant effects of the essential oils of (EOMM) and (EOXA) and the possible underlying mechanisms in a chronic unpredictable mild stress (CUMS) - induced depression in the rat. Forty-two male Wistar rats were assigned to seven groups (n = 6); group I received corn oil (p. Read More

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A randomized, double-blind, placebo-controlled phase 1 trial of inhaled and intranasal niclosamide: A broad spectrum antiviral candidate for treatment of COVID-19.

Lancet Reg Health Eur 2021 Apr 6:100084. Epub 2021 Apr 6.

UNION therapeutics, Tuborg Havnevej 18, 2900 Hellerup, Denmark.

Background: Coronavirus disease 19 (COVID-19) is spreading globally and treatment options remain limited. A formulation of niclosamide, a potent anti-SARS-CoV-2 agent and a broad-spectrum antiviral treatment candidate, optimized for inhalation and intranasal administration (UNI91104) was developed.

Methods: We conducted a randomized, placebo-controlled, double-blind, single-centre, dose-ascending Phase 1 trial to assess the safety of UNI91104 in Denmark (NCT04576312). Read More

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Boosting Nitric Oxide in Stress and Respiratory Infection: Potential Relevance for Asthma and COVID-19.

Brain Behav Immun Health 2021 Apr 5:100255. Epub 2021 Apr 5.

Department of Psychology and Neuroscience, Baylor University, One Bear Place, 97334, Baylor Sciences Building, Suite B.309, Waco, TX, USA.

Nitric oxide (NO) is a ubiquitous signaling molecule that is critical for supporting a plethora of processes in biological organisms. Among these, its role in the innate immune system as a first line of defense against pathogens has received less attention. In asthma, levels of exhaled NO have been utilized as a window into airway inflammation caused by allergic processes. Read More

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mTOR/EGFR/iNOS/MAP2K1/FGFR/TGFB1 Are Druggable Candidates for N-(2,4-Difluorophenyl)-2',4'-Difluoro-4-Hydroxybiphenyl-3-Carboxamide (NSC765598), With Consequent Anticancer Implications.

Front Oncol 2021 26;11:656738. Epub 2021 Mar 26.

PhD Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University and Academia Sinica, Taipei, Taiwan.

Background: The application of computational and multi-omics approaches has aided our understanding of carcinogenesis and the development of therapeutic strategies. NSC765598 is a novel small molecule derivative of salicylanilide. This study aims to investigate the ligand-protein interactions of NSC765598 with its potential targets and to evaluate its anticancer activities

Methods: We used multi-computational tools and clinical databases, respectively, to identify the potential drug target for NSC765598 and analyze the genetic profile and prognostic relevance of the targets in multiple cancers. Read More

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Binding ability of arginine, citrulline, -acetyl citrulline and thiocitrulline with SARS COV-2 main protease using molecular docking studies.

Netw Model Anal Health Inform Bioinform 2021 6;10(1):28. Epub 2021 Apr 6.

Department of Studies and Research in Chemistry, University College of Science, Tumkur University, Tumkur, 572 103 India.

In this article, the binding abilities of arginine, citrulline, -acetyl citrulline and thiocitrulline on the active sites of SARS-COV-2 protease have been investigated using in-silico studies. All the above ligands bind selectively and preferentially to Cys-145 active site and also to other amino acids surrounding to it in the main protease. Of which arginine forms less number of weaker bonds compared to the other ligands, it by itself is a precursor for the formation of citrulline analogues with in the cell. Read More

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Effects of the fermented in the amyloid β-induced Alzheimer's disease mouse model.

Nutr Res Pract 2021 Apr 25;15(2):173-186. Epub 2020 Sep 25.

Department of Food Science, Gyeongnam National University of Science and Technology, Jinju 52725, Korea.

Backgroud/objectives: Alzheimer's disease (AD) is the most common cause of dementia in the elderly. Due to the increased incidence of dementia, there is a corresponding increase concerning the importance of AD. In this study, we investigated the protective effects conferred by (Zj) and fermented by yeast (Zj-Y), on cognitive impairment in an AD mouse model. Read More

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Phenolic, Antioxidant, Antimicrobial, and Wound Healing Properties of L. Root Extract in Diabetic Rats.

Iran J Pharm Res 2020 ;19(4):264-274

Department of Biology, Faculty of Science, Gazi University, 06500, Ankara, Turkey.

As stated in many ethnobotany studies, genus is traditionally used in the treatment of wound healing. In this study, we aimed to investigate to time-course effects of the methanolic extract of (MEPE) on diabetic wounds. The subject of the experiments was 36 Wistar rats, divided into three main groups: non-diabetic control (NDM), diabetic control (STZ-DM), and -treated (MEPE). Read More

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January 2020

Involvement of nNOS, and α1, α2, β1, and β2 Subunits of Soluble Guanylyl Cyclase Genes Expression in Anticonvulsant Effect of Sumatriptan on Pentylenetetrazole-Induced Seizure in Mice.

Iran J Pharm Res 2020 ;19(4):181-192

Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.

Epileptic seizure is phenomenon of abnormal synchronous neuronal discharge of a set of neurons in brain as a result of neuronal excitation. Evidence shows the nitric oxide (NO) involvement in neuronal excitability. Moreover, the role of cyclic guanosine monophosphate (cGMP) activation in seizure pathogenesis is well-established. Read More

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January 2020

Neuroprotective and Anti-inflammatory Role of Atorvastatin and Its Interaction with Nitric Oxide (NO) in Chronic Constriction Injury-induced Neuropathic Pain.

Iran J Pharm Res 2020 ;19(4):67-75

Department of Clinical Pharmacy, Faculty of Pharmacy, Lorestan University of Medical Sciences, Khorramabad, Iran.

Prevention and treatment of neuropathic pain (NP) is one of the most difficult problems in clinical practice since the underlying mechanism of NP is unclear. In previous studies, the increased production of nitric oxide (NO) has been closely linked to the induced NP. In this study, we assessed the effect of atorvastatin through NO mechanism, on inflammation, thermal hyperalgesia, thermal allodynia, and mechanical allodynia as well as sciatic nerve histological score in rat with chronic constriction injury (CCI) model. Read More

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January 2020

New Thio-Compounds and Monoterpenes With Anti-inflammatory Activities From the Fungus sp. CYH26.

Front Microbiol 2021 25;12:668938. Epub 2021 Mar 25.

Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning, China.

Two new thio-compounds named aspergerthinol A and B ( and ) and two new monoterpenes named aspergerthinacids A and B ( and ) were isolated from the fungus sp. CYH26 from the rhizosphere soil of Decne. The structures of compounds were elucidated by spectroscopic data and quantum NMR and ECD calculations. Read More

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Insulin Resistance and Pellino-1 Mediated Decrease in the Activities of Vasodilator Signaling Contributes to Sunitinib-Induced Hypertension.

Front Pharmacol 2021 25;12:617165. Epub 2021 Mar 25.

Departments of Cardiology and Clinical Pharmacy, Harbin Medical University Cancer Hospital, Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Heilongjiang key laboratory for Metabolic disorder and cancer related cardiovascular diseases, and Key Laboratories of Education Ministry for Myocardial Ischemia Mechanism and Treatment, Harbin, China.

Antiangiogenic tyrosine kinases inhibitors induce hypertension, which may increase the incidents of cardiovascular complications and limit their use. However, the mechanisms by which usage of TKIs results in hypertension have not been fully understood. Here, we report the potential mechanisms of how sunitinib, a widely used TKI, induces hypertension. Read More

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GYY4137 and Sodium Hydrogen Sulfide Relaxations Are Inhibited by L-Cysteine and K7 Channel Blockers in Rat Small Mesenteric Arteries.

Front Pharmacol 2021 26;12:613989. Epub 2021 Mar 26.

Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Aarhus University, Aarhus, Denmark.

Donors of HS may be beneficial in treating cardiovascular diseases where the plasma levels of HS are decreased. Therefore, we investigated the mechanisms involved in relaxation of small arteries induced by GYY4137 [(4-methoxyphenyl)-morpholin-4-yl-sulfanylidene-sulfido-λ5-phosphane;morpholin-4-ium], which is considered a slow-releasing HS donor. Sulfides were measured by use of 5,5'-dithiobis-(2-nitro benzoic acid), and small rat mesenteric arteries with internal diameters of 200-250 µm were mounted in microvascular myographs for isometric tension recordings. Read More

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Korean Red ginseng prevents endothelial senescence by downregulating the HO-1/NF-κB/miRNA-155-5p/eNOS pathway.

J Ginseng Res 2021 Mar 14;45(2):344-353. Epub 2020 Aug 14.

Department of Molecular and Cellular Biochemistry, School of Medicine, Kangwon National University, Chuncheon, Gangwon-do 24341, South Korea.

Background: Korean Red ginseng extract (KRGE) has beneficial effects on the cardiovascular system by improving endothelial cell function. However, its pharmacological effect on endothelial cell senescence has not been clearly elucidated. Therefore, we examined the effect and molecular mechanism of KRGE on the senescence of human umbilical vein endothelial cells (HUVECs). Read More

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Identification and quantification of oleanane triterpenoid saponins and potential analgesic and anti-inflammatory activities from the roots and rhizomes of .

J Ginseng Res 2021 Mar 18;45(2):305-315. Epub 2020 May 18.

Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.

Background: represents a folk medicine for treatment of inflammation. However, lack of experimental data does not confirm its function. This article aims to investigate the analgesic and anti-inflammatory activities of triterpenoid saponins isolated from . Read More

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Ultrasound-Guided Continuous Thoracic Paravertebral Infusion of Methylene Blue in the Treatment of Postherpetic Neuralgia: A Prospective, Randomized, Controlled Study.

Pain Ther 2021 Apr 11. Epub 2021 Apr 11.

Department of Anesthesiology and Critical Care Medicine, Shanghai East Hospital, Tongji University School of Medicine, 150 Jimo Rd, Shanghai, 200120, China.

Introduction: Postherpetic neuralgia (PHN) is the most common complication of herpes zoster. Methylene blue (MB) is an inhibitor of nitric oxide synthesis with potentially analgesic and anti-inflammatory properties. Studies have demonstrated that thoracic paravertebral single MB injection is effective in treating chronic pain. Read More

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Brain Biomarkers in Children After Mild and Severe Traumatic Brain Injury.

Acta Neurochir Suppl 2021 ;131:103-107

National Medical Research Center for Children's Health, Moscow, Russia.

Brain biomarkers (protein S100b and neuron-specific enolase (NSE)), antibodies (aAb) to the NR2 subunit of N-methyl-D-aspartate (NR2(NMDA)) and to the GluR1 subunit of the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (GluR1(AMPA)) subtype of glutamate receptors (GluR), NR2 and AMPA peptides, nitrogen oxides (NOx; "nitrites and nitrates"), and 3-nitrotyrosine (NT) were measured in blood from 159 children after mild traumatic brain injury (mTBI), moderate traumatic brain injury (mdTBI), or severe traumatic brain injury (sTBI) within 1-2 days and at intervals during the first 15 days after brain trauma. S100b and NSE levels on the first day were not a strict criterion for injury outcomes. Children with mTBI had the most significant elevations in antibodies to NR2(NMDA) and AMPA peptides, a slight increase in NOx, and, in 25% of cases, appearance of NT in the blood right after TBI. Read More

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January 2021

Butyrolactone and sesquiterpene derivatives as inhibitors of iNOS from the roots of Lindera glauca.

Bioorg Chem 2021 Mar 29;111:104871. Epub 2021 Mar 29.

School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China. Electronic address:

Nine previously undescribed butyrolactone and sesquiterpene derivatives, named cyclopentanone A (1), subamolides F and G (2 and 3), secosubamolide F (4), rupestonic acids J - L (5-7), linderaguaianols A and B (8 and 9), together with six known ones 10-15 were isolated from the roots of Lindera glauca. Their structures, including their absolute configurations were elucidated by extensive spectroscopic analysis, quantum chemical calculations, and Mo(AcO)-induced circular dichroism. Compound 1 that possessed a unique five-membered cyclopentane skeleton with a side chain was rarely found from natural sources. Read More

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Fe3O4piroctone olamine magnetic nanoparticles: Synthesize and therapeutic potential in cutaneous leishmaniasis.

Biomed Pharmacother 2021 Apr 8;139:111566. Epub 2021 Apr 8.

Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran. Electronic address:

Background: In recent years, magnetic nanoparticles (NMP) as novel materials have been widely used for biomedical, diagnostic and therapeutic purposes like microbial infection therapy. The purpose of this study is to synthesize PO coated iron oxide magnetic nanoparticles (Fe3O4@PO NPs) and their anti-leishmanial effects in vitro and in vivo against cutaneous leishmaniasis.

Methods: Fe3O4 magnetic nanoparticles were synthesized by the coprecipitation of Fe2 + and Fe3 + ions and used as a nanocarrier for the production of Fe3O4@PO NPs. Read More

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Proteomic analysis reveals the protective role of exogenous hydrogen sulfide against salt stress in rice seedlings.

Nitric Oxide 2021 Apr 8. Epub 2021 Apr 8.

Key Laboratory for Subtropical Wetland Ecosystem Research of MOE, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian 361005, PR China. Electronic address:

Hydrogen sulfide (HS) is an important gaseous signal molecule which participates in various abiotic stress responses. However, the underlying mechanism of HS associated salt tolerance remains elusive. In this study, sodium hydrosulfide (NaHS, donor of HS) was used to investigate the protective role of HS against salt stress at the biochemical and proteomic levels. Read More

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The Effects of Nitric Oxide and Inhibitor, and Combination of Albendazole and Praziquantel On Liver in Mice Injected with Echinococcus granulosus Larvae.

Acta Trop 2021 Apr 8:105917. Epub 2021 Apr 8.

Istanbul University, Faculty of Science, Department of Biology, Istanbul, Turkey. Electronic address:

In this study, the role of nitric oxide (NO) in the pathogenesis of hydatidosis and the interaction with effects of anthelmintic drugs, albendazole and praziquantel, were examined in larval infection caused by protoscolices obtained from hydatid cysts of sheep liver in Albino Balb/c mice. Animals were divided into ten groups including controls and infected groups. Larval infection was established with intraperitoneal injection of protoscolices. Read More

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A novel inflammatory signaling pathway in patients with slow coronary flow: NF-κB/IL-1β/nitric oxide.

Cytokine 2021 Apr 7:155511. Epub 2021 Apr 7.

Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. Electronic address:

Purpose: The slow coronary flow (SCF) was identified as delayed opacification of epicardial coronary arteries in the absence of stenotic lesion. Metabolic syndrome (MetS), oxidative stress, and inflammation may be possible known insulting factors for the pathogenesis of SCF. This investigation aimed to assess the relationship between some inflammatory markers, oxidative stress parameters and MetS components with SCF phenomenon. Read More

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Liposomes-in-chitosan hydrogel boosts potential of chlorhexidine in biofilm eradication in vitro.

Carbohydr Polym 2021 Jun 16;262:117939. Epub 2021 Mar 16.

Drug Transport and Delivery Research Group, Department of Pharmacy, University of Tromsø, The Arctic University of Norway, Universitetsvegen 57, 9037, Tromsø, Norway. Electronic address:

Successful treatment of skin infections requires eradication of biofilms found in up to 90 % of all chronic wounds, causing delayed healing and increased morbidity. We hypothesized that chitosan hydrogel boosts the activity of liposomally-associated membrane active antimicrobials (MAA) and could potentially improve bacterial and biofilm eradication. Therefore, liposomes (∼300 nm) bearing chlorhexidine (CHX; ∼50 μg/mg lipid) as a model MAA were incorporated into chitosan hydrogel. Read More

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Development of a multiparametric (bio)sensing platform for continuous monitoring of stress metabolites.

Talanta 2021 Jul 15;229:122275. Epub 2021 Mar 15.

Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France. Electronic address:

There is a growing need for real-time monitoring of metabolic products that could reflect cell damages over extended periods. In this paper, we report the design and development of an original multiparametric (bio)sensing platform that is tailored for the real-time monitoring of cell metabolites derived from cell cultures. Most attractive features of our developed electrochemical (bio)sensing platform are its easy manufacturing process, that enables seamless scale-up, modular and versatile approach, and low cost. Read More

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