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Nitrate AND inflammation

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https://www.readbyqxmd.com/read/28183090/stoma-complications-corticosteroid-and-silver-nitrate-resistant-inflammation-successfully-treated-with-topical-tacrolimus
#1
Emanuele Verga, Brinder Chohan, Roberto Verdolini
No abstract text is available yet for this article.
February 10, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28168224/lifestyle-and-horizontal-gene-transfer-mediated-evolution-of-mucispirillum-schaedleri-a-core-member-of-the-murine-gut-microbiota
#2
Alexander Loy, Carina Pfann, Michaela Steinberger, Buck Hanson, Simone Herp, Sandrine Brugiroux, João Carlos Gomes Neto, Mark V Boekschoten, Clarissa Schwab, Tim Urich, Amanda E Ramer-Tait, Thomas Rattei, Bärbel Stecher, David Berry
Mucispirillum schaedleri is an abundant inhabitant of the intestinal mucus layer of rodents and other animals and has been suggested to be a pathobiont, a commensal that plays a role in disease. In order to gain insights into its lifestyle, we analyzed the genome and transcriptome of M. schaedleri ASF 457 and performed physiological experiments to test traits predicted by its genome. Although described as a mucus inhabitant, M. schaedleri has limited capacity for degrading host-derived mucosal glycans and other complex polysaccharides...
January 2017: MSystems
https://www.readbyqxmd.com/read/28163802/nitrative-and-oxidative-dna-damage-in-infection-related-carcinogenesis-in-relation-to-cancer-stem-cells
#3
REVIEW
Shosuke Kawanishi, Shiho Ohnishi, Ning Ma, Yusuke Hiraku, Shinji Oikawa, Mariko Murata
Infection and chronic inflammation have been recognized as important factors for carcinogenesis. Under inflammatory conditions, reactive oxygen species (ROS) and reactive nitrogen species (RNS) are generated from inflammatory and epithelial cells, and result in the formation of oxidative and nitrative DNA lesions, such as 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) and 8-nitroguanine. The DNA damage can cause mutations and has been implicated in inflammation-mediated carcinogenesis. It has been estimated that various infectious agents are carcinogenic to humans (IARC group 1), including bacterium Helicobacter pylori (H...
2017: Genes and Environment: the Official Journal of the Japanese Environmental Mutagen Society
https://www.readbyqxmd.com/read/28163536/hypertension-influences-the-exponential-progression-of-inflammation-and-oxidative-stress-in-streptozotocin-induced-diabetic-kidney
#4
Rupadevi Muthaian, Rajaa Muthu Pakirisamy, Subramani Parasuraman, Ramasamy Raveendran
OBJECTIVE: To investigate the association of hypertension coexisting with diabetes mellitus with oxidative stress and inflammation in the kidneys of streptozotocin (STZ)-induced diabetic rats. MATERIALS AND METHODS: Male Wistar rats were used for the experiments. Blood glucose (BG), urea, blood pressure (BP), and heart rate (HR) were analyzed before and 48 h after STZ injection. Further, these parameters were monitored up to 3 months of diabetes induction. Subsequently, the inflammatory markers (C-reactive protein, tumor necrosis factor-alpha, and nitrate) and oxidative stress markers were estimated after 3 months of diabetes induction in the kidney homogenate...
October 2016: Journal of Pharmacology & Pharmacotherapeutics
https://www.readbyqxmd.com/read/28159936/nitration-of-tyrosines-in-complement-factor-h-domains-alters-its-immunological-activity-and-mediates-a-pathogenic-role-in-age-related-macular-degeneration
#5
Matthew Krilis, Miao Qi, Michele C Madigan, Jason W H Wong, Mahmoud Abdelatti, Robyn H Guymer, John Whitelock, Peter McCluskey, Peng Zhang, Jian Qi, Alex P Hunyor, Steven A Krilis, Bill Giannakopoulos
Nitrosative stress has been implicated in the pathogenesis of age related macular degeneration (AMD). Tyrosine nitration is a unique type of post translational modification that occurs in the setting of inflammation and nitrosative stress. To date, the significance and functional implications of tyrosine nitration of complement factor H (CFH), a key complement regulator in the eye has not been explored, and is examined in this study in the context of AMD pathogenesis.Sections of eyes from deceased individuals with AMD (n = 5) demonstrated the presence of immunoreactive nitrotyrosine CFH...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28116826/mechanistic-perspective-of-the-oxido-immunopathologic-resolution-property-of-kolaviron-in-mice-influenza-pneumonitis
#6
Ifeoluwa O Awogbindin, David O Olaleye, Ebenezer O Farombi
Implicated in influenza-associated pathology are innate defence overzealousness and unabated secretion of oxidative tissue-sensitive antimicrobial agents. At different time points, mice were pre-treated with kolaviron (400 mg/kg), a natural antioxidant and anti-inflammatory agent, and subsequently challenged with 2 LD50 influenza A/H3N2/Perth/16/09 virus. After euthanasia at day 6, blood, lungs, liver and spleen were collected and processed for biochemical, immunohistochemical and flow cytometric assessment of redo-inflammatory imbalance, cytokine storm indices and T helper 1 host response...
January 23, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28107387/neuronal-cell-death-and-degeneration-through-increased-nitroxidative-stress-and-tau-phosphorylation-in-hiv-1-transgenic-rats
#7
Young-Eun Cho, Myoung-Hwa Lee, Byoung-Joon Song
The underlying mechanisms for increased neurodegeneration and neurocognitive deficits in HIV-infected people are unclear. Therefore, this study was aimed to investigate the mechanisms of increased neurodegeneration in 5-month old male HIV-1 Transgenic (Tg) rats compared to the age- and gender-matched wild-type (WT) by evaluating histological changes and biochemical parameters of the key proteins involved in the cell death signaling and apoptosis. Histological and immunohistochemical analyses revealed decreased neuronal cells with elevated astrogliosis in HIV-1 Tg rats compared to WT...
2017: PloS One
https://www.readbyqxmd.com/read/28094219/3-4-dihydropyrimidinone-coumarin-analogues-as-a-new-class-of-selective-agent-against-s-aureus-synthesis-biological-evaluation-and-molecular-modelling-study
#8
Nirmala S Naik, Lokesh A Shastri, Shrinivas D Joshi, Sheshagiri R Dixit, Bahubali M Chougala, S Samundeeswari, Megharaj Holiyachi, Farzanabi Shaikh, Jyoti Madar, Rashmi Kulkarni, Vinay Sunagar
Bacterial infections are increasingly difficult to combat as bacteria evolve resistance to antibiotic drugs and have severely compromised the arsenal of antibiotic drugs. On the other hand matrix metalloproteinases (MMPs) play a fundamental role in inflammation and extracellular matrix degradation in physiological and pathological conditions. In search of potent antibiotic, taking coumarin and dihydropyrimidinone as lead compound, a green, eco-friendly and efficient protocol has been developed and synthesized the dihydropyrimidin-2(1H)-one/thione derivatives of coumarin 3/4 from substituted 4-formylcoumarins 2 and ethylacetoacetate using urea/thiourea in the presence of catalytic amount of ceric ammonium nitrate is reported...
January 5, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28079248/inhibition-of-matrix-metalloproteinase-9-by-a-barbiturate-nitrate-hybrid-ameliorates-dextran-sulphate-sodium-induced-colitis-effect-on-inflammation-related-genes
#9
Shane O'Sullivan, Jun Wang, Maria T Pigott, Neil Docherty, Noreen Boyle, Samuel Kana Lis, John F Gilmer, Carlos Medina
BACKGROUND AND PURPOSE: Matrix metalloproteinase-9 is upregulated in Ulcerative Colitis and implicated in the pathology of the disease. In this study, we have examined the effects of a barbiturate-based MMP inhibitor incorporating a nitric oxide donor/mimetic group (dinitrate-barbiturate) in the intestinal injury induced by dextran sulphate sodium (DSS). EXPERIMENTAL APPROACH: In-vivo experiments were carried out using male Wistar rats given DSS 5% ad libitum in drinking water...
January 12, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28059788/silicic-acid-and-beer-consumption-reverses-the-metal-imbalance-and%C3%A2-the%C3%A2-prooxidant-status-induced-by%C3%A2-aluminum-nitrate-in-mouse-brain
#10
María José González-Muñoz, Alba Garcimartán, Isabel Meseguer, Carmen José Mateos-Vega, José María Orellana, Antonio Peña-Fernández, Juana Benedí, Francisco J Sánchez-Muniz
BACKGROUND: Emerging evidence suggests that by affecting mineral balance, aluminum (Al) may enhance some events associated with neurodegenerative diseases. AIM: To examine the effect of Al(NO3)3 exposure on brain Al, cooper (Cu), iron (Fe), magnesium (Mg), manganese (Mn), silicon (Si), and zinc (Zn) levels, and the metal-change implication in brain oxidant and inflammatory status. METHODS: Four groups of six-week-old male NMRI mice were treated for three months: i) controls, administrated with deionized water; ii) Al, which received Al(NO3)3; iii) Al+silicic acid, which were given Al(NO3)3 plus silicic acid; and iv) Al+beer, which received Al(NO3)3 plus beer...
December 3, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28057862/antiinflammatory-actions-of-inorganic-nitrate-stabilize-the-atherosclerotic-plaque
#11
Rayomand S Khambata, Suborno M Ghosh, Krishnaraj S Rathod, Tharssana Thevathasan, Federica Filomena, Qingzhong Xiao, Amrita Ahluwalia
Reduced bioavailable nitric oxide (NO) plays a key role in the enhanced leukocyte recruitment reflective of systemic inflammation thought to precede and underlie atherosclerotic plaque formation and instability. Recent evidence demonstrates that inorganic nitrate (NO3(-)) through sequential chemical reduction in vivo provides a source of NO that exerts beneficial effects upon the cardiovascular system, including reductions in inflammatory responses. We tested whether the antiinflammatory effects of inorganic nitrate might prove useful in ameliorating atherosclerotic disease in Apolipoprotein (Apo)E knockout (KO) mice...
January 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28053087/targeting-traf3ip2-by-genetic-and-interventional-approaches-inhibits-ischemia-reperfusion-induced-myocardial-injury-and-adverse-remodeling
#12
John M Erikson, Anthony J Valente, Srinivas Mummidi, Hemanth Kumar Kandikattu, Vincent G DeMarco, Shawn B Bender, William P Fay, Ulrich Siebenlist, Bysani Chandrasekar
Re-establishing blood supply is the primary goal for reducing myocardial injury in subjects with ischemic heart disease. Paradoxically, reperfusion results in nitroxidative stress and a marked inflammatory response in the heart. TRAF3IP2 (TRAF3 Interacting Protein 2; previously known as CIKS or Act1) is an oxidative stress-responsive cytoplasmic adapter molecule that is an upstream regulator of both IκB kinase (IKK) and c-Jun N-terminal kinase (JNK), and an important mediator of autoimmune and inflammatory responses...
February 10, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28006762/h2s-attenuates-lps-induced-acute-lung-injury-by-reducing-oxidative-nitrative-stress-and-inflammation
#13
Hong-Xia Zhang, Shu-Juan Liu, Xiao-Lu Tang, Guo-Li Duan, Xin Ni, Xiao-Yan Zhu, Yu-Jian Liu, Chang-Nan Wang
BACKGROUND: Hydrogen sulfide (H2S), known as the third endogenous gaseous transmitter, has received increasing attention because of its diverse effects, including angiogenesis, vascular relaxation and myocardial protection.We aimed to investigate the role of H2S in oxidative/nitrative stress and inflammation in acute lung injury (ALI) induced by endotoxemia. METHODS: Male ICR mice were divided in six groups: (1) Control group; (2) GYY4137treatment group; (3) L-NAME treatment group; (4) lipopolysaccharide (LPS) treatment group; (5) LPS with GYY4137 treatment group; and (6) LPS with L-NAME treatment group...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27998900/randomised-double-blind-placebo-controlled-study-investigating-the-effects-of-inorganic-nitrate-on-vascular-function-platelet-reactivity-and-restenosis-in-stable-angina-protocol-of-the-nitrate-oct-study
#14
Krishnaraj S Rathod, Daniel A Jones, T J A Van-Eijl, Hilda Tsang, Helen Warren, Stephen M Hamshere, Vikas Kapil, Ajay K Jain, Andrew Deaner, Neil Poulter, Mark J Caulfield, Anthony Mathur, Amrita Ahluwalia
INTRODUCTION: The mainstay treatment for reducing the symptoms of angina and long-term risk of heart attacks in patients with heart disease is stent implantation in the diseased coronary artery. While this procedure has revolutionised treatment, the incidence of secondary events remains a concern. These repeat events are thought to be due, in part, to continued enhanced platelet reactivity, endothelial dysfunction and ultimately restenosis of the stented artery. In this study, we will investigate whether a once a day inorganic nitrate administration might favourably modulate platelet reactivity and endothelial function leading to a decrease in restenosis...
December 20, 2016: BMJ Open
https://www.readbyqxmd.com/read/27989963/tuning-constitutive-and-pathological-inflammation-in-the-gut-via-the-interaction-of-dietary-nitrate-and-polyphenols-with-host-microbiome
#15
Bárbara Rocha, Carla Nunes, João Laranjinha
Chronic inflammation is currently recognized as a critical process in modern-era epidemics such as diabetes, obesity and neurodegeneration. However, little attention is paid to the constitutive inflammatory pathways that operate in the gut and that are mandatory for local welfare and the prevention of such multi-organic diseases. Hence, the digestive system, while posing as a barrier between the external environment and the host, is crucial for the balance between constitutive and pathological inflammatory events...
October 28, 2016: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/27989792/enterosalivary-nitrate-metabolism-and-the-microbiome-intersection-of-microbial-metabolism-nitric-oxide-and-diet-in-cardiac-and-pulmonary-vascular-health
#16
REVIEW
Carl D Koch, Mark T Gladwin, Bruce A Freeman, Jon O Lundberg, Eddie Weitzberg, Alison Morris
Recent insights into the bioactivation and signaling actions of inorganic, dietary nitrate and nitrite now suggest a critical role for the microbiome in the development of cardiac and pulmonary vascular diseases. Once thought to be the inert, end-products of endothelial-derived nitric oxide (NO) heme-oxidation, nitrate and nitrite are now considered major sources of exogenous NO that exhibit enhanced vasoactive signaling activity under conditions of hypoxia and stress. The bioavailability of nitrate and nitrite depend on the enzymatic reduction of nitrate to nitrite by a unique set of bacterial nitrate reductase enzymes possessed by specific bacterial populations in the mammalian mouth and gut...
December 16, 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27989752/comprehensive-analysis-of-the-formation-and-stability-of-peroxynitrite-derived-8-nitroguanine-by-lc-ms-ms-strategy-for-the-quantitative-analysis-of-cellular-8-nitroguanine
#17
Chiung-Wen Hu, Yuan-Jhe Chang, Yu-Wen Hsu, Jian-Lian Chen, Tsu-Shing Wang, Mu-Rong Chao
Peroxynitrite is a major oxidizing and nitrating biological agent formed at sites of inflammation. Peroxynitrite can cause DNA damage and is thought to contribute to inflammation-related carcinogenesis. This study describes a sensitive and reliable liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the direct determination of peroxynitrite-derived 8-nitroguanine (8-nitroGua) in DNA hydrolysates. This method exhibited a sensitive detection limit of 3 fmol and inter- and intraday imprecision of < 10% and was applied to systemically examine the formation and stability of peroxynitrite-derived 8-nitroGua in different DNA substrates under various conditions...
October 29, 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27960621/molecular-mechanisms-underlying-histological-and-biochemical-changes-induced-by-nitrate-in-rat-liver-and-the-efficacy-of-s-allylcysteine
#18
Asmaa A A Kattaia, Samia A Abd El-Baset, Eman M Mohamed, Rehab S Abdul-Maksou, Yara M Elfakharany
This study was designed to investigate structural and ultra-structural changes induced by nitrate in rat liver, examine their molecular basis, and evaluate the possible protective role of S-Allylcysteine (SAC). Adult male albino rats were assigned to: control, SAC, nitrate, and nitrate+ SAC groups. Serum ALT and AST were measured. Liver samples were processed for light and electron microscope examinations, biochemical analysis, real-time PCR, and immunohistochemistry of heat shock protein 70 (HSP70) and Bcl-2...
December 14, 2016: Ultrastructural Pathology
https://www.readbyqxmd.com/read/27940398/therapeutic-role-of-nitric-oxide-as-emerging-molecule
#19
REVIEW
Sahil Kumar, Rajesh K Singh, T R Bhardwaj
NO has many physiological roles; in inflammation, pain, rheumatoid arthritis, immune system, gastroprotection, as antioxidant and reported to be a free radical scavenger.Intensive research on the biological functions of NO and other reactive nitrogen oxide species demands exogenous sources of NO donors as research tools and pharmaceuticals. Since the mid-1980s, the development of new NO donors has offered several advantages over theprevious NO donors, such as spontaneous release of NO, donation of NO under controlled rates, and even the targeting of NO to certain tissues...
January 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27940053/paeonol-alleviates-epirubicin-induced-renal-injury-in-mice-by-regulating-nrf2-and-nf-%C3%AE%C2%BAb-pathways
#20
Jing Wu, Linlin Xu, Chao Sun, Bin Zhang, Juan Li, Jing Sun, Ying Zhang, Deqing Sun
Renal injury is a dose-dependent side effect of epirubicin that limits its clinical application in the field of tumor chemotherapy. Paeonol is an active ingredient with a variety of biological activities, including the prevention of multiple antineoplastic-induced toxicities. In the present study, we assessed the renoprotective effect of paeonol on epirubicin-induced nephrotoxicity and investigated the underlying mechanism. Renal function, kidney histology, oxidative stress, nitrative stress, inflammation, apoptotic proteins and the effects on signaling pathways were investigated...
December 6, 2016: European Journal of Pharmacology
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