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Respiratory disease antioxidant

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https://www.readbyqxmd.com/read/29471443/board-invited-review-immunomodulatory-potential-of-dietary-soybean-derived-isoflavones-and-saponins-in-pigs
#1
B N Smith, R N Dilger
In this review, the potential for use of soy-derived bioactive compounds as immunomodulatory feed additives in pigs is discussed. Soy is a major component of the modern U.S. swine diet in today's commercial industry, providing the bulk of dietary AA necessary for growth and production. However, soy use has generally been limited in early growth phases, during which the risks of immunological insult and disease are among the highest. Improvements of soybean processing and development of soy protein products with little to no antinutritional factors have made soy more appropriate for use in young pigs but additional processing may impact bioactive compound levels in the feed...
February 17, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29454969/jip3-knockout-protects-mice-against-high-fat-diet-induced-liver-injury
#2
Xiao-Jun Ma, Hai-Zhou Xing, Gao-Fei Ren, Xiao-Juan Rao, Zhi-Zhen Li
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...
February 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29438939/at-rvd1-repairs-mouse-lung-after-cigarette-smoke-induced-emphysema-via-downregulation-of-oxidative-stress-by-nrf2-keap1-pathway
#3
Sara Vergel Posso, Nicolas Quesnot, João Alfredo Moraes, Lycia Brito-Gitirana, Emanuel Kennedy-Feitosa, Marina Valente Barroso, Luís Cristóvão Porto, Manuella Lanzetti, Samuel Santos Valença
Long-term exposure to cigarette smoke (CS) results in alveolar parenchyma destruction due to chronic inflammatory response and the imbalance between oxidants and antioxidants, and proteases and antiproteases. Emphysema is the main symptom of chronic obstructive pulmonary disease. Current treatment focuses on relieving respiratory symptoms, and inflammation resolution failure is an important pathophysiological element of the disease. Specialized pro-resolving mediators (SPMs) synthesized endogenously during resolution processes demonstrated beneficial effects in murine models of airway inflammation...
February 10, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29374531/an-antioxidant-%C3%AE-glucan-from-cladina-rangiferina-l-nyl-and-its-protective-effect-on-alveolar-epithelial-cells-from-pb2-induced-oxidative-damage
#4
Xiaojuan Huang, Jianbin Ma, Lixin Wei, Jiayin Song, Cen Li, Hongxia Yang, Yuzhi Du, Tingting Gao, Hongtao Bi
Air pollution is a serious global health problem nowadays. So, it is an emergency to pay sufficient attention to treat and prevent the diseases caused by air pollution, especially respiratory disease and lung damage. Cladina rangiferina (L.) Nyl. is an edible lichen that has been used in medicinal diets to treat respiratory and other diseases for over 500 years. In this study, a water-soluble polysaccharide, CRWP-P, was obtained from C. rangiferina by hot-water extraction, freeze-thawing separation, and Fehling reagent purification...
January 24, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29373843/ros-and-redox-signaling-in-myocardial-ischemia-reperfusion-injury-and-cardioprotection
#5
REVIEW
Susana Cadenas
Ischemia-reperfusion (IR) injury is central to the pathology of major cardiovascular diseases, such as stroke and myocardial infarction. IR injury is mediated by several factors including the elevated production of reactive oxygen species (ROS), which occurs particularly at reperfusion. The mitochondrial respiratory chain and NADPH oxidases of the NOX family are major sources of ROS in cardiomyocytes. The first part of this review discusses recent findings and controversies on the mechanisms of superoxide production by the mitochondrial electron transport chain during IR injury, as well as the contribution of the NOX isoforms expressed in cardiomyocytes, NOX1, NOX2 and NOX4, to this damage...
January 23, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29366807/bioactivity-and-gene-expression-profiles-of-hipsc-generated-retinal-ganglion-cells-in-mt-nd4-mutated-leber-s-hereditary-optic-neuropathy
#6
You-Ren Wu, An-Guor Wang, Yan-Ting Chen, Aliaksandr A Yarmishyn, Waradee Buddhakosai, Tien-Chun Yang, De-Kuang Hwang, Yi-Ping Yang, Chia-Ning Shen, Hsin-Chen Lee, Shih-Hwa Chiou, Chi-Hsien Peng, Shih-Jen Chen
Leber's hereditary optic neuropathy (LHON) is the maternally inherited mitochondrial disease caused by homoplasmic mutations in mitochondrial electron transport chain Complex I subunit genes. The mechanism of its incomplete penetrance is still largely unclear. In this study, we created the patient-specific human induced pluripotent stem cells (hiPSCs) from MT-ND4 mutated LHON affected patient, asymptomatic mutation carrier and healthy control, and differentiated them into retinal ganglion cells (RGCs). We found the defective neurite outgrowth in affected RGCs, but not in the carrier RGCs which had significant expression of SNCG gene...
January 20, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29355761/effects-of-dietary-spirulina-platensis-on-growth-performance-hematological-and-serum-biochemical-parameters-hepatic-antioxidant-status-immune-responses-and-disease-resistance-of-coral-trout-plectropomus-leopardus-lacepede-1802
#7
Wei Yu, Heizhao Lin, Yukai Yang, Xiaolin Huang, Chuanpeng Zhou, Zaiwang Zhang, Yafei Duan, Zhong Huang, Tao Li
The present study investigated the effects of dietary Spirulina platensis supplementation on growth performance, hematological and serum biochemical parameters, hepatic antioxidant status, immune responses and resistance to the pathogen infection in Coral trout Plectropomus leopardus. The fish were fed for 8-week with diets containing different levels of S. platensis: 0% (C), 2% (SP2), 4% (SP4), 6% (SP6), 8% (SP8) and 10% (SP10) as treatment groups, followed by a Vibrio harveyi infection test for 14 d. The study indicated that dietary supplementation with Spirulina platensis could significantly improve growth performance, and the highest weight gain rate (WGR) and specific growth rate (SGR) were observed in group SP10 (P < ...
January 17, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29354400/in-vitro-antiviral-activity-of-sakuranetin-against-human-rhinovirus-3
#8
Hwa-Jung Choi
Objectives: Rhinoviruses (RVs) cause common cold and are associated with exacerbation of chronic inflammatory respiratory diseases. Until now, no clinically effective antiviral chemotherapeutic agents to treat diseases caused by human rhinoviruses (HRVs) have been reported. We assessed the anti-HRV3 activity of sakuranetin isolated from Sorbus commixta Hedl. in human epithelioid carcinoma cervix (HeLa) cells, to evaluate its anti-rhinoviral potential in the clinical setting. Methods: Antiviral activity and cytotoxicity as well as the effect of sakuranetin on HRV3-induced cytopathic effects (CPEs) were evaluated using the sulforhodamine B (SRB) method using CPE reduction...
December 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/29341860/risk-management-of-free-radicals-involved-in-air-travel-syndromes-by-antioxidants
#9
Jeum-Nam Kim, Byung-Mu Lee
Frequent air travelers and airplane pilots may develop various types of illnesses. The environmental risk factors associated with air travel syndromes (ATS) or air travel-related adverse health outcomes raised concerns and need to be assessed in the context of risk management and public health. Accordingly, the aim of the present review was to determine ATS, risk factors, and mechanisms underlying ATS using scientific data and information obtained from Medline, Toxline, and regulatory agencies. Additional information was also extracted from websites of organizations, such as the International Air Transport Association (IATA), International Association for Medical Assistance to Travelers (IAMAT), and International Civil Aviation Organization (ICAO)...
January 17, 2018: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
https://www.readbyqxmd.com/read/29332042/protective-effects-of-indian-spice-curcumin-against-amyloid-%C3%AE-in-alzheimer-s-disease
#10
P Hemachandra Reddy, Maria Manczak, Xiangling Yin, Mary Catherine Grady, Andrew Mitchell, Sahil Tonk, Chandra Sekhar Kuruva, Jasvinder Singh Bhatti, Ramesh Kandimalla, Murali Vijayan, Subodh Kumar, Rui Wang, Jangampalli Adi Pradeepkiran, Gilbert Ogunmokun, Kavya Thamarai, Kandi Quesada, Annette Boles, Arubala P Reddy
The purpose of our article is to assess the current understanding of Indian spice, curcumin, against amyloid-β (Aβ)-induced toxicity in Alzheimer's disease (AD) pathogenesis. Natural products, such as ginger, curcumin, and gingko biloba have been used as diets and dietary supplements to treat human diseases, including cancer, cardiovascular, respiratory, infectious, diabetes, obesity, metabolic syndromes, and neurological disorders. Products derived from plants are known to have protective effects, including anti-inflammatory, antioxidant, anti-arthritis, pro-healing, and boosting memory cognitive functions...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29329563/pm2-5-induced-oxidative-stress-increases-intercellular-adhesion-molecule-1-expression-in-lung-epithelial-cells-through-the-il-6-akt-stat3-nf-%C3%AE%C2%BAb-dependent-pathway
#11
Chen-Wei Liu, Tzu-Lin Lee, Yu-Chen Chen, Chan-Jung Liang, Shu-Huei Wang, June-Horng Lue, Jaw-Shiun Tsai, Shih-Wei Lee, Shun-Hua Chen, Yi-Fan Yang, Tzu-Yi Chuang, Yuh-Lien Chen
BACKGROUND: Epidemiological studies have shown that ambient air pollution is closely associated with increased respiratory inflammation and decreased lung function. Particulate matters (PMs) are major components of air pollution that damages lung cells. However, the mechanisms remain to be elucidated. This study examines the effects of PMs on intercellular adhesion molecule-1 (ICAM-1) expression and the related mechanisms in vitro and in vivo. RESULT: The cytotoxicity, reactive oxygen species (ROS) generation, and monocyte adherence to A549 cells were more severely affected by treatment with O-PMs (organic solvent-extractable fraction of SRM1649b) than with W-PMs (water-soluble fraction of SRM1649b)...
January 12, 2018: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/29327206/brain-photobiomodulation-therapy-a-narrative-review
#12
REVIEW
Farzad Salehpour, Javad Mahmoudi, Farzin Kamari, Saeed Sadigh-Eteghad, Seyed Hossein Rasta, Michael R Hamblin
Brain photobiomodulation (PBM) therapy using red to near-infrared (NIR) light is an innovative treatment for a wide range of neurological and psychological conditions. Red/NIR light is able to stimulate complex IV of the mitochondrial respiratory chain (cytochrome c oxidase) and increase ATP synthesis. Moreover, light absorption by ion channels results in release of Ca2+ and leads to activation of transcription factors and gene expression. Brain PBM therapy enhances the metabolic capacity of neurons and stimulates anti-inflammatory, anti-apoptotic, and antioxidant responses, as well as neurogenesis and synaptogenesis...
January 11, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29278371/flavonoids-and-phenolic-acids-from-oregano-occurrence-biological-activity-and-health-benefits
#13
REVIEW
Erick P Gutiérrez-Grijalva, Manuel A Picos-Salas, Nayely Leyva-López, Marilyn S Criollo-Mendoza, Gabriela Vazquez-Olivo, J Basilio Heredia
Several herb species classified as oregano have been widely used in folk medicine to alleviate inflammation-related diseases, respiratory and digestive disorders, headaches, rheumatism, diabetes and others. These potential health benefits are partially attributed to the phytochemical compounds in oregano such as flavonoids (FL) and phenolic acids (PA). Flavonoids and phenolic acids are among the most abundant and most studied phytochemicals in oregano species. Epidemiological, in vitro and in vivo experiments have related long-term consumption of dietary FL and PA with a decreased risk of incidence of chronic diseases...
December 26, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29235020/do-gstm1-and-gstt1-polymorphisms-influence-the-risk-of-developing-mitochondrial-diseases-in-a-tunisian-population
#14
Raouia Ghorbel, Ghada Ben Salah, Rania Ghorbel, Afif Ben Mahmoud, Imen Chamkha, Emna Mkaouar-Rebai, Leila Ammar-Keskes, Faiza Fakhfakh
Mitochondria play an essential role to supply the cell with metabolic energy in the form of adenosine triphosphate (ATP) through oxidative phosphorylation (OXPHOS). As a consequence, they are also the primary source of cellular reactive oxygen species (ROS) which can cause oxidative damage of individual respiratory chain complexes. Indeed, affected OXPHOS subunits result in decreases in ATP production and increases in ROS formation which generate oxidative phosphorylation deficiency leading to mitochondrial dysfunctions...
December 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29223018/targeting-oxidant-dependent-mechanisms-for-the-treatment-of-respiratory-diseases-and-their-comorbidities
#15
REVIEW
Neil C Thomson
Oxidative stress is implicated in the pathogenesis of respiratory diseases, such as COPD and its comorbidities, asthma, idiopathic pulmonary fibrosis and radiation pneumonitis. Antioxidants drugs, such as small molecule thiols, nuclear erythroid-2 related factor 2 activators and catalytic enzyme mimetics have been developed to target oxidant-dependent mechanisms. The therapeutic effects of antioxidants have been generally disappointing. A small number of antioxidants are approved for clinical use, such as the small molecule thiol N-acetyl-l-cysteine for chronic obstructive pulmonary disease, and in the United States, the superoxide dismutase mimetic AEOL 10150 for severe radiation pneumonitis...
December 6, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29211846/slc25a10-biallelic-mutations-in-intractable-epileptic-encephalopathy-with-complex-i-deficiency
#16
Giuseppe Punzi, Vito Porcelli, Matteo Ruggiu, Faruk Hossain, Alessio Menga, Pasquale Scarcia, Alessandra Castegna, Ruggiero Gorgoglione, Ciro L Pierri, Luna Laera, Francesco M Lasorsa, Eleonora Paradies, Isabella Pisano, Carlo M T Marobbio, Eleonora Lamantea, Daniele Ghezzi, Valeria Tiranti, Sergio Giannattasio, Maria A Donati, Renzo Guerrini, Luigi Palmieri, Ferdinando Palmieri, Anna De Grassi
Mitochondrial diseases are a plethora of inherited neuromuscular disorders sharing defects in mitochondrial respiration, but largely different from one another for genetic basis and pathogenic mechanism. Whole exome sequencing was performed in a familiar trio (trio-WES) with a child affected by severe epileptic encephalopathy associated to respiratory complex I deficiency and mitochondrial DNA depletion in skeletal muscle. By trio-WES we identified biallelic mutations in SLC25A10, a nuclear gene encoding a member of the mitochondrial carrier family...
December 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29210997/tempol-supplementation-restores-diaphragm-force-and-metabolic-enzyme-activities-in-mdx-mice
#17
David P Burns, Izza Ali, Clement Rieux, James Healy, Greg Jasionek, Ken D O'Halloran
Duchenne muscular dystrophy (DMD) is characterized by striated muscle weakness, cardiomyopathy, and respiratory failure. Since oxidative stress is recognized as a secondary pathology in DMD, the efficacy of antioxidant intervention, using the superoxide scavenger tempol, was examined on functional and biochemical status of dystrophin-deficient diaphragm muscle. Diaphragm muscle function was assessed, ex vivo, in adult male wild-type and dystrophin-deficient mdx mice, with and without a 14-day antioxidant intervention...
December 6, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29202419/ultrafine-particulate-matter-impairs-mitochondrial-redox-homeostasis-and-activates-phosphatidylinositol-3-kinase-mediated-dna-damage-responses-in-lymphocytes
#18
Arpit Bhargava, Shivani Tamrakar, Aniket Aglawe, Harsha Lad, Rupesh Kumar Srivastava, Dinesh Kumar Mishra, Rajnarayan Tiwari, Koel Chaudhury, Irina Yu Goryacheva, Pradyumna Kumar Mishra
Particulate matter (PM), broadly defined as coarse (2.5-10 μm), fine (0.1-2.5 μm) and ultrafine particles (≤0.1 μm), is a major constituent of ambient air pollution. Recent studies have linked PM exposure (coarse and fine particles) with several human diseases including cancer. However, the molecular mechanisms underlying ultrafine PM exposure induced cellular and sub-cellular repercussions are ill-defined. Since mitochondria are one of the major targets of different environmental pollutants, we herein aimed to understand the molecular repercussion of ultrafine PM exposure on mitochondrial machinery in peripheral blood lymphocytes...
December 1, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29200030/resveratrol-for-patients-with-chronic-obstructive-pulmonary-disease-hype-or-hope
#19
Rosanne J H C G Beijers, Harry R Gosker, Annemie M W J Schols
PURPOSE OF REVIEW: Chronic obstructive pulmonary disease (COPD) is a progressive lung disease with a high prevalence of extrapulmonary manifestations and, frequently, cardiovascular comorbidity. Resveratrol is a food-derived compound with anti-inflammatory, antioxidant, metabolic and cardioprotective potential. Therefore, resveratrol might improve the pulmonary as well as extrapulmonary pathology in COPD. In this review, we will evaluate knowledge on the effects of resveratrol on lung injury, muscle metabolism and cardiovascular risk profile and discuss if resveratrol is a hype or hope for patients with COPD...
December 6, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29187594/plasma-urate-lung-function-and-chronic-obstructive-pulmonary-disease-a-mendelian-randomisation-study-in-114-979-individuals-from-the-general-population
#20
Camilla J Kobylecki, Signe Vedel-Krogh, Shoaib Afzal, Sune F Nielsen, Børge G Nordestgaard
BACKGROUND: Urate is a strong antioxidant in plasma and may protect against lung function impairment. We tested the hypothesis that high plasma urate is causally associated with better lung function and low risk of respiratory symptoms and COPD. METHODS: We measured lung function and plasma urate in 114 979 individuals from the Copenhagen City Heart Study and the Copenhagen General Population Study and genotyped for SLC2A9 rs7442295 and ABCG2 rs2231142 variants, previously associated with high plasma urate, in 110 152 individuals...
November 29, 2017: Thorax
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