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Respiratory disease antioxidant

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https://www.readbyqxmd.com/read/29036182/proteome-analysis-of-bronchoalveolar-lavage-from-calves-infected-with-bovine-respiratory-syncytial-virus-insights-in-pathogenesis-and-perspectives-for-new-treatments
#1
Sara Hägglund, Krister Blodörn, Katarina Näslund, Karin Vargmar, Sara Bergström Lind, Jia Mi, Mariluz Araínga, Sabine Riffault, Geraldine Taylor, John Pringle, Jean François Valarcher
Human and bovine respiratory syncytial viruses (HRSV/BRSV) are major causes of severe lower respiratory tract infections in children and calves, respectively. Shared epidemiological, clinical, pathological and genetic characteristics of these viruses make comparative research highly relevant. To characterise the host response against BRSV infection, bronchoalveolar lavage supernatant (BAL) from i) non-vaccinated, BRSV-infected ii) vaccinated, BRSV-infected and iii) non-infected calves was analysed by tandem mass spectrometry...
2017: PloS One
https://www.readbyqxmd.com/read/29025888/effect-of-erdosteine-on-the-rate-and-duration-of-copd-exacerbations-the-restore-study
#2
Roberto W Dal Negro, Jadwiga A Wedzicha, Martin Iversen, Giovanni Fontana, Clive Page, Arrigo F Cicero, Edoardo Pozzi, Peter M A Calverley
Oxidative stress contributes to chronic obstructive pulmonary disease (COPD) exacerbations and antioxidants can decrease exacerbation rates, although we lack data about the effect of such drugs on exacerbation duration.The RESTORE (Reducing Exacerbations and Symptoms by Treatment with ORal Erdosteine in COPD) study was a prospective randomised, double-blind, placebo-controlled study, enrolling patients aged 40-80 years with Global Initiative for Chronic Obstructive Lung Disease stage II/III. Patients received erdosteine 300 mg twice daily or placebo added to usual COPD therapy for 12 months...
October 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28988576/alcohol-and-the-lung
#3
Ashish J Mehta, David M Guidot
Among the many organ systems affected by harmful alcohol use, the lungs are particularly susceptible to infections and injury. The mechanisms responsible for rendering people with alcohol use disorder (AUD) vulnerable to lung damage include alterations in host defenses of the upper and lower airways, disruption of alveolar epithelial barrier integrity, and alveolar macrophage immune dysfunction. Collectively, these derangements encompass what has been termed the "alcoholic lung" phenotype. Alcohol-related reductions in antioxidant levels also may contribute to lung disease in people with underlying AUD...
2017: Alcohol Research: Current Reviews
https://www.readbyqxmd.com/read/28987048/-the-application-of-n-acetylcysteine-in-optimization-of-specific-pharmacological-therapies
#4
REVIEW
Iga Hołyńska-Iwan, Marcin Wróblewski, Dorota Olszewska-Słonina, Tomasz Tyrakowski
Based on the analysis of data from clinical trials it could be postulated that N-acetylcysteine has a positive impact on the treatment of various diseases. However, less is known about specific molecular and physiological mechanisms underlying the reported therapeutic effects. N-acetylcysteine (NAC, N-acetyl-L-cysteine) is an amino acid derivative containing a thiol group. It is a precursor of L-cysteine and glutathione. NAC is well absorbed and safe for the body at doses up to 300 mg per kg of body weight...
September 29, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28975536/asthma-disease-as-cause-of-admission-to-hospitals-due-to-exposure-to-ambient-oxidants-in-mashhad-iran
#5
Hamid Reza Ghaffari, Hamideh Ebrahimi Aval, Ahmad Alahabadi, Adel Mokammel, Ramzanali Khamirchi, Samira Yousefzadeh, Ehsan Ahmadi, Abolfazl Rahmani-Sani, Mehdi Estaji, Amin Ghanbarnejad, Abdolmajid Gholizadeh, Mahmoud Taghavi, Mohammad Miri
Nowadays, asthma is one of the most common chronic respiratory diseases, worldwide. Many reports have emphasized the correlation between the short-term exposure to the ambient air pollutants and acute respiratory diseases, especially among children with asthmatic symptoms. The aim of this study was to evaluate the relationship between the exposure to three atmospheric antioxidants (NO2, SO2, and O3) and hospital admission due to asthmatic disease (HAAD) in the city of Mashhad, Iran. The concentrations of atmospheric antioxidants were obtained from the real-time monitoring stations located in the city...
October 4, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28969549/therapeutic-potential-of-alpinia-officinarum
#6
David Young, Manoharan K Pillai, Mohamed Majid
The plant Alpinia officinarum of the ginger family originated in China and is used throughout South and South-East Asian countries to flavour food and as a traditional medicine to treat a variety of diseases. This review summarizes the biological, pharmacological and phytochemical properties of extracts and subsequently isolated compounds from A. officinarum. In vitro and in vivo studies of both extracts and pure compounds indicate a wide variety of potent bioactivities including anti-inflammatory, antibacterial, antioxidant, antiobesity, anticancer, enzyme inhibitory and remarkable antiviral properties...
October 2, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28958941/jip3-deficiency-protects-mice-from-high-fat-diet-induced-liver-injury
#7
Xiao-Juan Rao, Yu-Min Wu, Yan Wang, Shuang-Wei Shi
Multiple pathways contribute to nonalcoholic fatty liver disease (NAFLD) in response to high fat diets (HFD). A homolog of mammalian JNK-interacting protein 3 (JIP3), also known as JSAP-1, activates different components in various signaling pathways to modulate cellular processes. The purpose of this study was to examine the role of JIP3 in obesity-related pathologies pathway. Wild-type (WT) C57BL/6 and JIP3-knockout (JIP3(-/-)) mice were randomized to chow or HFD. HFD-fed WT mice increased hepatic JIP3 expression...
September 25, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28948657/a-critical-review-on-phytochemistry-pharmacology-of-viola-odorata-l-and-related-multipotential-products-in-traditional-persian-medicine
#8
REVIEW
Zohre Feyzabadi, Fariba Ghorbani, Yasaman Vazani, Mohammad M Zarshenas
Common violet (Viola odorata L., Violaceae) has shown various medical applications. Current study aimed to compile a review over chemical composition and medicinal properties of this plant in modern phytotherapy and its related multipotential products from traditional Persian medicine (TPM). Medicinal applications of V. odorata and respective products were derived from credible pharmaceutical textbooks of TPM (10th-18th century AD). In parallel, electronic databases including PubMed, Scopus, and ScienceDirect were explored for targeted purposes...
September 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28926741/cellular-glutathione-levels-in-hl-60-cells-during-respiratory-burst-are-not-correlated-with-ultra-weak-photon-emission
#9
Rosilene Cristina Rossetto Burgos, Wei Zhang, Eduard P A van Wijk, Thomas Hankemeier, Rawi Ramautar, Jan van der Greef
Recently, ultra-weak photon emission (UPE) was developed as a novel tool for measuring oxidative metabolic processes, as its generation is related to reactive oxygen species (ROS). Both an imbalance in ROS or the uncontrolled production of ROS can lead to oxidative stress, which is commonly associated with many diseases. In addition to playing several biological functions, the thiol amino acid glutathione has an important antioxidant function in the body's defense against ROS. Specifically, glutathione is an important endogenous antioxidant that helps maintain oxidant levels...
September 7, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28911528/macrophages-in-oxidative-stress-and-models-to-evaluate-the-antioxidant-function-of-dietary-natural-compounds
#10
REVIEW
Omir Adrian Castaneda, Sheng-Chi Lee, Chi-Tang Ho, Tzou-Chi Huang
Antioxidant testing of natural products has attracted increasing interest in recent years, mainly due to the fact that an antioxidant-rich diet might provide health benefits. Activated macrophages are a major source of reactive oxygen species, reactive nitrogen species, and peroxynitrite generated through the so-called respiratory burst. Constitutively released proinflammatory cytokine, especially tumor necrosis factor-α, triggers nuclear factor-κB, and activator protein-1 translocation leading to the over production of reactive oxygen species and reactive nitrogen species in macrophages...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28904321/altered-expression-of-mitochondrial-antioxidants-in-oral-squamous-cell-carcinoma
#11
Sumita Banerjee, Saikat Mukherjee, Sanjib Mitra, Pallav Singhal
Reactive oxygen species, if produced in excess by oxidative phosphorylation, contributes to mitochondrial DNA damage and progressive respiratory chain dysfunction, leading to various diseases including carcinogenesis. Mitochondria are susceptible to oxidative stress (OS) owing to lack of introns, protective histones, and DNA repair enzymes. However, mitochondria are protected from OS by numerous antioxidants such as superoxide dismutase 2 (SOD2), catalase, glutaredoxin 2 (GLRX2), reduced glutathione (GSH), glutathione peroxidase (GPX), and thioredoxin 2 (TXN2)...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28892882/circulating-protein-carbonyls-antioxidant-enzymes-and-related-trace-minerals-among-preterms-with-respiratory-distress-syndrome
#12
Ahmed El-Abd Ahmed, Eman Ahmed Abd-Elmawgood, Mohammed H Hassan
INTRODUCTION: Information about oxidative stress in preterms with Respiratory Distress Syndrome (RDS) is defective, so various researches in this area are required, which may open new roads in understanding the pathogenesis of the disease, hence provide additional helpful therapeutic approaches. AIM: To assess and compare the plasma level of protein carbonyls as a marker for oxidant status and the antioxidant enzymes; Superoxide Dismutase (SOD) and Glutathione Peroxidase (GPx) and the related trace minerals in the form of Copper (Cu), Zinc (Zn) and Selenium (Se) as markers for antioxidant status, in preterms with and without RDS...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28887733/computational-design-of-bio-inspired-carnosine-based-hobr-antioxidants
#13
Farzaneh Sarrami, Li-Juan Yu, Amir Karton
During a respiratory burst the enzyme myeloperoxidase generates significant amounts of hypohalous acids (HOX, X = Cl and Br) in order to inflict oxidative damage upon invading pathogens. However, excessive production of these potent oxidants is associated with numerous inflammatory diseases. It has been suggested that the endogenous antioxidant carnosine is an effective HOCl scavenger. Recent computational and experimental studies suggested that an intramolecular Cl(+) transfer from the imidazole ring to the terminal amine might play an important role in the antioxidant activity of carnosine...
September 8, 2017: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/28867799/could-pomegranate-juice-help-in-the-control-of-inflammatory-diseases
#14
REVIEW
Francesca Danesi, Lynnette R Ferguson
Fruits rich in polyphenols, such as pomegranates, have been shown to have health benefits relating to their antioxidant and anti-inflammatory properties. Using data obtained from PubMed and Scopus, this article provides a brief overview of the therapeutic effects of pomegranate on chronic inflammatory diseases (CID) such as inflammatory bowel disease (IBD), rheumatoid arthritis (RA), metabolic and cardiovascular disorders, and other inflammatory-associated conditions, with an emphasis on fruit-derived juices...
August 30, 2017: Nutrients
https://www.readbyqxmd.com/read/28863172/regulation-of-xanthine-dehydrogensase-gene-expression-and-uric-acid-production-in-human-airway-epithelial-cells
#15
Ryan D Huff, Alan C-Y Hsu, Kristy S Nichol, Bernadette Jones, Darryl A Knight, Peter A B Wark, Philip M Hansbro, Jeremy A Hirota
INTRODUCTION: The airway epithelium is a physical and immunological barrier that protects the pulmonary system from inhaled environmental insults. Uric acid has been detected in the respiratory tract and can function as an antioxidant or damage associated molecular pattern. We have demonstrated that human airway epithelial cells are a source of uric acid. Our hypothesis is that uric acid production by airway epithelial cells is induced by environmental stimuli associated with chronic respiratory diseases...
2017: PloS One
https://www.readbyqxmd.com/read/28816057/mitochondrial-complex-i-reversible-s-nitrosation-improves-bioenergetics-and-is-protective-in-parkinson-s-disease
#16
Chiara Milanese, Victor Tapias, Sylvia Gabriels, Silvia Cerri, Giovanna Levandis, Fabio Blandini, Maria Tresini, Sruti Shiva, John Timothy Greenamyre, Mark T Gladwin, Pier G Mastroberardino
AIMS: This study was designed to explore the neuroprotective potential of inorganic nitrite as a new therapeutic avenue in Parkinson's disease (PD). RESULTS: Administration of inorganic nitrite ameliorates neuropathology in phylogenetically distinct animal models of PD. Beneficial effects are not confined to prophylactic treatment and also occur if nitrite is administered when the pathogenic cascade is already active. Mechanistically, the effect is mediated by both complex I S-nitrosation, which under nitrite administration is favored over formation of other forms of oxidation, and down-stream activation of the antioxidant Nrf2 pathway...
September 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28807355/hydrogen-rich-pure-water-prevents-cigarette-smoke-induced-pulmonary-emphysema-in-smp30-knockout-mice
#17
Yohei Suzuki, Tadashi Sato, Masataka Sugimoto, Hario Baskoro, Keiko Karasutani, Aki Mitsui, Fariz Nurwidya, Naoko Arano, Yuzo Kodama, Shin-Ichi Hirano, Akihito Ishigami, Kuniaki Seyama, Kazuhisa Takahashi
Chronic obstructive pulmonary disease (COPD) is predominantly a cigarette smoke (CS)-triggered disease with features of chronic systemic inflammation. Oxidants derived from CS can induce DNA damage and stress-induced premature cellular senescence in the respiratory system, which play significant roles in COPD. Therefore, antioxidants should provide benefits for the treatment of COPD; however, their therapeutic potential remains limited owing to the complexity of this disease. Recently, molecular hydrogen (H2) has been reported as a preventive and therapeutic antioxidant...
October 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28802916/brain-region-and-sex-specific-alterations-in-mitochondrial-function-and-nf-%C3%AE%C2%BAb-signaling-in-the-tgcrnd8-mouse-model-of-alzheimer-s-disease
#18
Jelena Djordjevic, Ella Thomson, Subir Roy Chowdhury, Wanda M Snow, Claudia Perez, Tak Pan Wong, Paul Fernyhough, Benedict C Albensi
Alzheimer's disease (AD) is the most common late onset neurodegenerative disorder with indications that women are disproportionately affected. Mitochondrial dysfunction has been one of the most discussed hypotheses associated with the early onset and progression of AD, and it has been attributed to intraneuronal accumulation of amyloid β (Aβ). It was suggested that one of the possible mediators for Aβ-impaired mitochondrial function is the nuclear factor kappa B (NF-κB) signaling pathway. NF-κB plays important roles in brain inflammation and antioxidant defense, as well as in the regulation of mitochondrial function, and studies have confirmed altered NF-κB signaling in AD brain...
August 9, 2017: Neuroscience
https://www.readbyqxmd.com/read/28770235/respiratory-muscle-dysfunction-in-animal-models-of-hypoxic-disease-antioxidant-therapy-goes-from-strength-to-strength
#19
REVIEW
Ken D O'Halloran, Philip Lewis
The striated muscles of breathing play a critical role in respiratory homeostasis governing blood oxygenation and pH regulation. Upper airway dilator and thoracic pump muscles retain a remarkable capacity for plasticity throughout life, both in health and disease states. Hypoxia, whatever the cause, is a potent driver of respiratory muscle remodeling with evidence of adaptive and maladaptive outcomes for system performance. The pattern, duration, and intensity of hypoxia are key determinants of respiratory muscle structural-, metabolic-, and functional responses and adaptation...
2017: Hypoxia
https://www.readbyqxmd.com/read/28762311/therapeutic-potential-of-co-enzyme-q10-in-retinal-diseases
#20
Xun Zhang, Ali Mohammad Tohari, Fabio Marcheggiani, Xinzhi Zhou, James Reilly, Luca Tiano, Xinhua Shu
Coenzyme Q10 (CoQ10) plays a critical role in mitochondrial oxidative phosphorylation by serving as an electron carrier in the respiratory electron transport chain. CoQ10 also functions as a lipid-soluble antioxidant by protecting lipids, proteins and DNA damaged by oxidative stress. CoQ10 deficiency has been associated with a number of human diseases including mitochondrial diseases, neurodegenerative disorders, cardiovascular diseases, diabetes, cancer, and with the ageing process. In many of these conditions CoQ10 supplementation therapy has been effective in slowing or reversing pathological changes...
August 1, 2017: Current Medicinal Chemistry
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