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https://www.readbyqxmd.com/read/28718673/ameliorative-effect-of-gallic-acid-in-doxorubicin-induced-hepatotoxicity-in-wistar-rats-through-antioxidant-defense-system
#1
Temidayo Olutayo Omobowale, Ademola Adetokunbo Oyagbemi, Uchechukwu Enwiwe Ajufo, Olumuyima Abiola Adejumobi, Olufunke Eunice Ola-Davies, Adeolu Alex Adedapo, Momoh Audu Yakubu
Hepatotoxicity has been found to be one of the main side effects associated with doxorubicin (Dox) administration in cancer therapy. The aim of the present study was to examine the ameliorative effect of gallic acid (GA) in Dox-induced hepatotoxicity. Sixty male Wistar rats of 10 rats per group were used in this study and were randomly divided into 6 experimental groups (A-F). Rats in Group A served as the control group and received distilled water orally for 7 days; Group B was given Dox at 15 mg/kg body weight intraperitoneally (IP) on Day 8...
July 18, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28718028/predicting-attenuation-of-solar-radiation-uv-b-uv-a-and-par-in-waste-stabilization-ponds-under-sahelian-climatic-conditions
#2
Ynoussa Maiga, Joseph Wethé, Aboubakar Sidiki Ouattara, Alfred S Traoré
Because of its importance in pathogen removal and algal productivity in waste stabilization ponds, sunlight penetration was measured in microcosms and in situ under Sahelian climatic conditions. The different wavelengths were detected using a submersible radiometer equipped with three sensors: UV-B (311 nm), UV-A (369 nm) and photosynthetically available radiation (PAR, 400-700 nm). UV-B was more attenuated than UV-A and PAR. Facultative pond was more light-attenuating than maturation pond. The mean euphotic depths for UV-B were 0...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28717326/honey-can-repairing-damage-of-liver-tissue-due-to-protein-energy-malnutrition-through-induction-of-endogenous-stem-cells
#3
R Heru Prasetyo, Eka Pramyrtha Hestianah
AIM: This study was to evaluate effect of honey in repairing damage of liver tissue due to energy protein malnutrition and in mobilization of endogenous stem cells. MATERIALS AND METHODS: Male mice model of degenerative liver was obtained through food fasting but still have drinking water for 5 days. It caused energy protein malnutrition and damage of liver tissue. The administration of 50% (v/v) honey was performed for 10 consecutive days, while the positive control group was fasted and not given honey and the negative control not fasted and without honey...
June 2017: Veterinary World
https://www.readbyqxmd.com/read/28714172/a-study-of-dna-damage-in-buccal-cells-of-consumers-of-well-and-or-tap-water-using-the-comet-assay-assessment-of-occupational-exposure-to-genotoxicants
#4
Celia Vazquez Boucard, Larisa Lee-Cruz, Laurence Mercier, Martín Ramírez Orozco, Vania Serrano Pinto, Gerardo Anguiano, Linette Cazares, Daniel Díaz
Because of concerns that natural aquifers in the region of Todos Santos (Baja California Sur, Mexico) might be contaminated by organochlorine pesticides and heavy metals, a case-control study was conducted among consumers and non-consumers of well- and/or tap-water to determine risks to human health. This study was based on a genotoxic evaluation of buccal cells using the Comet assay technique. Levels of DNA damage in the consumers group were significantly higher than those of the control group. However, occupational exposure to genotoxicants showed to be the critical factor rather than water consumption...
July 17, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/28713956/mdg%C3%A2-1-inhibits-h2o2%C3%A2-induced-apoptosis-and-inflammation-in-human-umbilical-vein-endothelial-cells
#5
Luo-Cheng Li, Zhi-Wei Wang, Xiao-Ping Hu, Zhi-Yong Wu, Zhi-Peng Hu, Yong-Le Ruan
MDG‑1, a water‑soluble polysaccharide extracted from Ophiopogon japonicus, has been reported to serve a role in antimyocardial ischemia by protecting cardiomyocytes from hypoxia/reoxygenation‑induced damage. However, it remains unknown whether MDG‑1 protects human umbilical vein endothelial cells (HUVECs) against oxidative stress‑induced damage. In the present study, HUVECs were treated with hydrogen peroxide (H2O2) to establish an oxidative stress‑induced cell injury model. Treatment of HUVECs with different concentrations of H2O2 significantly attenuated cell viability and increased cell apoptosis in a time and dose‑dependent manner...
July 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28711656/upregulation-of-cdh1-signaling-in-the-hippocampus-attenuates-brain-damage-after-transient-global-cerebral-ischemia-in-rats
#6
Bo Zhang, Kai Wei, Xuan Li, Rong Hu, Jin Qiu, Yue Zhang, Wenlong Yao, Chuanhan Zhang, Chang Zhu
Cerebral ischemia is a major cause of brain dysfunction. The E3 ubiquitin ligase anaphase-promoting complex and its coactivator Cdh1 have been reported to be involved in the regulation of neuronal survival, differentiation, axonal growth and synaptic development in the central nervous system. However, its role in the ischemic brain and the underlying mechanisms remain poorly understood. The present study aimed to investigate the effects of Cdh1 overexpression on the ischemic rat brain by direct intra-hippocampal injection of lentivirus-delivered Cdh1 before transient global cerebral ischemia reperfusion...
July 12, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28711564/role-of-estrogen-and-levodopa-in-1-methyl-4-pheny-l-1-2-3-6-tetrahydropyridine-mptp-induced-cognitive-deficit-in-parkinsonian-ovariectomized-mice-model-a-comparative-study
#7
Satyndra Kumar Yadav, Shivani Pandey, Babita Singh
Parkinson's disease (PD) is one of the most common neurodegenerative disease found in the aging population. Currently, many studies are being conducted to find a suitable and effective cure for PD, with an emphasis on the use of herbal plants. In this study, the neuroprotective effects of estrogen was evaluated in the 1-methyl-4-phe-nyl-1,2,3,6-tetrahydropyridine (MPTP) model of PD with cognitive deficit and compared to Levodopa (LD), a well reported neuroprotective agent used for treating PD. Twenty-four Swiss albino mice were randomly divided into four groups: Control, MPTP, MPTP+LD and MPTP+estrogen...
July 12, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28710659/comparison-of-the-effect-of-skin-preparation-pads-on-transepidermal-water-loss-in-ex-vivo-human-skin
#8
Hanan Osman-Ponchet, Alexandre Gaborit, Magali Kouidhi, Sandrine Anglars, Jeanne Marceau-Suissa, Orla Duffy-Roger, Jean-Michel Linget, Claire E Wilson
INTRODUCTION: Pre-treatment of the skin to remove scales and crusts prior to photodynamic therapy (PDT) is essential to enhance the uptake of topically applied methyl aminolevulinate (MAL) and to improve treatment efficacy. This study compared the effect of two different skin preparation pads on skin integrity in ex vivo human skin. METHODS: Ex vivo human skin samples from three donors were pre-treated in triplicates with PREPSTER™ (PR) skin preparation pad (6, 8, and 10 passages) or Ambu Unilect™ (A-UN) skin preparation pad (6, 8, and 10 passages)...
July 14, 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28710130/dead-or-alive-using-membrane-failure-and-chlorophyll-fluorescence-to-predict-mortality-from-drought
#9
Carmela Rosaria Guadagno, Brent E Ewers, Heather N Speckman, Timothy L Aston, Bridger J Huhn, Stanley B DeVore, Joshua T Ladwig, Rachel N Strawn, Cynthia Weinig
Climate models predict widespread increases in both drought intensity and duration in the next decades. Although water deficiency is one of the greatest environmental pressures to plant survival, limited understanding of how plants respond to extreme drought impedes adequate forecasts of how increasing aridity will impact both forest and crop productivity. Drought induces a suite of physiological responses; however, we lack an accurate mechanistic description of plant response to lethal drought that would improve predictive understanding of the timing of lethal drought with climate change...
July 14, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28709850/removal-of-microcystins-in-water-by-ultrasound-coupled-advanced-oxidation-techniques
#10
Gökçe Tezcanlı Güyer, Fjolle Kabashi
Microcystis Aeruginosa, is one of the typical toxin producing cyanobacteria, has increased attention for immediate removal due to toxin release, which has adverse effects both in the environment and humans. In this study, suspensions of Microcystis Aeruginosa were sonicated at the following frequencies 582kHz (0,055W/mL), 861kHz (0,094W/mL) and 1136kHz (0,060W/mL) for 60min. The study examined the removal of intracellular microcystin (intra MC-LR) and extracellular microcystin (extra MC-LR) release during sonication...
May 4, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28708332/oxidative-stress-and-cellular-and-tissue-damage-in-organogenic-outbred-mouse-embryos-after-moderate-perigestational-alcohol-intake
#11
Tamara A Coll, Gabriela Chaufan, Leticia Pérez-Tito, Martín R Ventureira, Cristian M A Sobarzo, María Del Carmen Ríos de Molina, Elisa Cebral
Perigestational alcohol consumption by CF-1 mouse, from before mating up to the period of embryo organogenesis, leads to retarded early embryo development and neural tube defects. Here, we addressed if perigestational alcohol ingestion up to Day 10 of pregnancy induces oxidative stress and changes in macromolecules and organ tissues of early organogenic embryos. Adult CF-1 female mice were administered 10% ethanol in their drinking water for 17 days prior to mating and until Day 10 of gestation, whereas control females were administered ethanol-free water...
July 14, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28708257/aquaporin1-and-3-modification-as-a-result-of-chondrogenic-differentiation-of-human-mesenchymal-stem-cell
#12
Adriana Carol Eleonora Graziano, Rosanna Avola, Giovanna Pannuzzo, Venera Cardile
Chondrocytes are cells of articular cartilage particularly sensitive to water transport and ionic and osmotic changes from extracellular environment and responsible for the production of the synovial fluid. Aquaporins (AQPs) are a family of water and small solute transport channel proteins identified in several tissues, involved in physiological pathways and in manifold human diseases. In a recent period, AQP1 and 3 seem to have a role in metabolic water regulation in articular cartilage of load bearing joints...
July 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28706531/crop-production-under-drought-and-heat-stress-plant-responses-and-management-options
#13
REVIEW
Shah Fahad, Ali A Bajwa, Usman Nazir, Shakeel A Anjum, Ayesha Farooq, Ali Zohaib, Sehrish Sadia, Wajid Nasim, Steve Adkins, Shah Saud, Muhammad Z Ihsan, Hesham Alharby, Chao Wu, Depeng Wang, Jianliang Huang
Abiotic stresses are one of the major constraints to crop production and food security worldwide. The situation has aggravated due to the drastic and rapid changes in global climate. Heat and drought are undoubtedly the two most important stresses having huge impact on growth and productivity of the crops. It is very important to understand the physiological, biochemical, and ecological interventions related to these stresses for better management. A wide range of plant responses to these stresses could be generalized into morphological, physiological, and biochemical responses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28706491/early-life-exposure-to-lead-induces-cognitive-impairment-in-elder-mice-targeting-sirt1-phosphorylation-and-oxidative-alterations
#14
Lijie Zhang, Runqi Tu, Yawei Wang, Yazhen Hu, Xing Li, Xuemin Cheng, Yanyan Yin, Wenjie Li, Hui Huang
Pb is a potential risk factor for cognition, mainly mediated by enhanced oxidative stress. Resveratrol, a natural polyphenol with crucial anti-oxidative property, is recently implicated in preventing cognitive deficits in normal aging and neurodegenerative disorders. Its beneficial effects have been linked to sirtuin 1(SIRT1) activation. The aim of this work is to investigate the possible linkage between alterations in Pb-induced oxidative damage and cognitive impairment by prolonged treatment of resveratrol...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28706307/effect-of-shock-induced-cavitation-bubble-collapse-on-the-damage-in-the-simulated-perineuronal-net-of-the-brain
#15
Yuan-Ting Wu, Ashfaq Adnan
The purpose of this study is to conduct modeling and simulation to understand the effect of shock-induced mechanical loading, in the form of cavitation bubble collapse, on damage to the brain's perineuronal nets (PNNs). It is known that high-energy implosion due to cavitation collapse is responsible for corrosion or surface damage in many mechanical devices. In this case, cavitation refers to the bubble created by pressure drop. The presence of a similar damage mechanism in biophysical systems has long being suspected but not well-explored...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28705429/disinfection-of-tonometers-a-report-by-the-american-academy-of-ophthalmology
#16
Anna K Junk, Philip P Chen, Shan C Lin, Kouros Nouri-Mahdavi, Sunita Radhakrishnan, Kuldev Singh, Teresa C Chen
OBJECTIVE: To examine the efficacy of various disinfection methods for reusable tonometer prisms in eye care and to highlight how disinfectants can damage tonometer tips and cause subsequent patient harm. METHODS: Literature searches were conducted last in October 2016 in the PubMed and the Cochrane Library databases for original research investigations. Reviews, non-English language articles, nonophthalmology articles, surveys, and case reports were excluded. RESULTS: The searches initially yielded 64 unique citations...
July 11, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28702914/bactericidal-activity-of-cu-zn-and-ag-containing-zeolites-toward-escherichia-coli-isolates
#17
Jelena Milenkovic, Jasna Hrenovic, Danka Matijasevic, Miomir Niksic, Nevenka Rajic
Two types of zeolites-natural clinoptilolite (NZ) and synthetic zeolite A (A)-were enriched with approx. 0.25 mmol of Cu(II), Zn(II), or Ag(I) ions, and the obtained materials (M-Z) were tested against three different isolates of Escherichia coli. Two isolates were environmental isolates from waters in Serbia whereas the third one was DSM 498. Antibacterial activity was studied in different water media-nutrient-rich media (peptone water), water from Sava Lake, and commercially available spring water. The Ag-containing zeolites showed bactericidal activity in the nutrient-rich peptone water after 1 h of contact...
July 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28702912/the-sugarcane-herbicide-ametryn-induces-oxidative-stress-and-developmental-abnormalities-in-zebrafish-embryos
#18
Monica A M Moura, Rhaul Oliveira, Claudio M Jonsson, Inês Domingues, Amadeu M V M Soares, António J A Nogueira
Ametryn (AMT) is one of the most widely used herbicides in tropical sugarcane crops, the main culture of São Paulo State, Brazil. It is known as a diffuse pollutant, being found in surface water and sediment of water bodies adjacent to the crop fields. In the present study, the toxicity of AMT to zebrafish (Danio rerio) embryos was evaluated using developmental and biochemical endpoints. At the biochemical level, lactate dehydrogenase responded at the lowest concentration tested (4 μg L(-1)) indicating a high demand of energy required to cope with the stress condition...
July 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28699899/xuefu-zhuyu-decoction-improves-cognitive-impairment-in-experimental-traumatic-brain-injury-via-synaptic-regulation
#19
Jing Zhou, Tao Liu, Hanjin Cui, Rong Fan, Chunhu Zhang, Weijun Peng, Ali Yang, Lin Zhu, Yang Wang, Tao Tang
An overarching consequence of traumatic brain injury (TBI) is the cognitive impairment. It may hinder individual performance of daily tasks and determine people's subjective well-being. The damage to synaptic plasticity, one of the key mechanisms of cognitive dysfunction, becomes the potential therapeutic strategy of TBI. In this study, we aimed to investigate whether Xuefu Zhuyu Decoction (XFZYD), a traditional Chinese medicine, provided a synaptic regulation to improve cognitive disorder following TBI. Morris water maze and modified neurological severity scores were performed to assess the neurological and cognitive abilities...
June 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28699026/aminolevulinic-acid-and-nitric-oxide-regulate-oxidative-defense-and-secondary-metabolisms-in-canola-brassica-napus-l-under-drought-stress
#20
Nudrat Aisha Akram, Majid Iqbal, Atta Muhammad, Muhammad Ashraf, Fahad Al-Qurainy, Sidra Shafiq
To minimize the damaging effects of stresses, plant growth regulators (PGRs) are widely used to sustain the plant life under stress-prone environments. So, a study was carried out to evaluate the response of two canola (Brassica napus L.) cultivars, Dunkeld and Cyclone, to foliar-applied two potential PGRs, nitric oxide (NO) and 5-aminolevulinic acid, under water deficit conditions. In this study, the levels of NO and ALA used were 0.02 and 0.895 mM, respectively. Plants of both canola cultivars were subjected to control (100% field capacity) and water deficit (60% field capacity)...
July 12, 2017: Protoplasma
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