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https://www.readbyqxmd.com/read/28214985/melatonin-alleviates-the-epilepsy-associated-impairments-in-hippocampal-ltp-and-spatial-learning-through-rescue-of-surface-glur2-expression-at-hippocampal-ca1-synapses
#1
Yue Ma, Xiaolong Sun, Juan Li, Ruihua Jia, Fang Yuan, Dong Wei, Wen Jiang
Epilepsy-associated cognitive impairment is common, and negatively impacts patients' quality of life. However, most antiepileptic drugs focus on the suppression of seizures, and fewer emphasize treatment of cognitive dysfunction. Melatonin, an indolamine synthesized primarily in the pineal grand, is reported to be neuroprotective against several central nervous system disorders. In this study, we investigated whether melatonin could reverse cognitive dysfunction in lithium-pilocarpine treated rats. Chronic treatment with melatonin (8 mg/kg daily for 15 days) after induction of status epilepticus significantly alleviated seizure severity, reduced neuronal death in the CA1 region of the hippocampus, improved spatial learning (as measured by the Morris water maze test), and reversed LTP impairments, compared to vehicle treatment...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28214984/dl-3-n-butylphthalide-nbp-provides-neuroprotection-in-the-mice-models-after-traumatic-brain-injury-via-nrf2-are-signaling-pathway
#2
Zhengwei Liu, Handong Wang, Xiaofeng Shi, Liwen Li, Mengliang Zhou, Hui Ding, Youqing Yang, Xiang Li, Ke Ding
The present study was aimed to evaluate the neuroprotective effects of NBP in the mice models of TBI, as well as the possible role of Nrf2-ARE pathways in the assumptive neuroprotection. In mice,a modified Marmarou's weight-drop model was employed to induce TBI. ICR mice were randomly assigned to four experimental groups: sham, TBI, TBI+vehicle(V) and TBI+NBP. NBP (100 mg/kg) was administered via an intraperitoneal (i.p.) injection at 1 h following TBI. The administration of NBP significantly ameliorated the effects of the brain injury, including neurological deficits, brain water content, and cortical neuronal apoptosis...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28214919/grapevine-acclimation-to-water-deficit-the-adjustment-of-stomatal-and-hydraulic-conductance-differs-from-petiole-embolism-vulnerability
#3
Uri Hochberg, Andrea Giulia Bonel, Rakefet David-Schwartz, Asfaw Degu, Aaron Fait, Hervé Cochard, Enrico Peterlunger, Jose Carlos Herrera
Drought-acclimated vines maintained higher gas exchange compared to irrigated controls under water deficit; this effect is associated with modified leaf turgor but not with improved petiole vulnerability to cavitation. A key feature for the prosperity of plants under changing environments is the plasticity of their hydraulic system. In the present research we studied the hydraulic regulation in grapevines (Vitis vinifera L.) that were first acclimated for 39 days to well-watered (WW), sustained water deficit (SD), or transient-cycles of dehydration-rehydration-water deficit (TD) conditions, and then subjected to varying degrees of drought...
February 18, 2017: Planta
https://www.readbyqxmd.com/read/28214838/the-role-of-hippocampal-structural-synaptic-plasticity-in-repetitive-transcranial-magnetic-stimulation-to-improve-cognitive-function-in-male-samp8-mice
#4
Jiang Ma, Jinhua Wang, Chaonan Lv, Jingjuan Pang, Bing Han, Mingwei Wang, Yuan Gen
BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) has been used to improve cognitive function, but the stimulation protocols are variable and the underlying mechanism is unclear. Therefore, we intend to examine whether 5Hz rTMS with 30% maximum output could improve cognitive functions in senescence-accelerated-prone mouse 8 (SAMP8) through changing synaptic plasticity. METHODS: SAMP8 and senescence-accelerated-prone mouse/resistant 1 (SAMR1) (7-month old male) were randomly divided into 3 groups: SMAP8 rTMS group (P8-rTMS), SMAP8 sham-rTMS group (P8-sham), and SAMR1 sham-rTMS group (R1-sham)...
January 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214713/comparative-analysis-of-metagenomes-of-italian-top-soil-improvers
#5
Federica Gigliucci, Gianfranco Brambilla, Rosangela Tozzoli, Valeria Michelacci, Stefano Morabito
Biosolids originating from Municipal Waste Water Treatment Plants are proposed as top soil improvers (TSI) for their beneficial input of organic carbon on agriculture lands. Their use to amend soil is controversial, as it may lead to the presence of emerging hazards of anthropogenic or animal origin in the environment devoted to food production. In this study, we used a shotgun metagenomics sequencing as a tool to perform a characterization of the hazards related with the TSIs. The samples showed the presence of many virulence genes associated to different diarrheagenic E...
February 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28214685/role-of-laxative-and-antioxidant-properties-of-malva-sylvestris-leaves-in-constipation-treatment
#6
Mohamed-Amine Jabri, Dalanda Wannes, Najla Hajji, Mohsen Sakly, Lamjed Marzouki, Hichem Sebai
INTRODUCTION: Mallaw (Malva sylvestris L.) is a medicinal plant who is traditionally being used as an antiulcer, laxative and anti-hemorrhoid, besides of its culinary use as a food in Tunisian cuisine. The present study was carried out to evaluate the protective effect of Malva sylvestris aqueous extract (MSAE) on constipation- induced by loperamide in male Wistar rats. METHODS: Rats were divided into six groups of six animals each: Control, Loperamide (LOP), LOP+ yohimbine (2mg/kg b...
February 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28214629/effects-of-metal-ion-replacement-on-pyrazinamidase-activity-a-quantum-mechanical-study
#7
Mahmoud Khadem-Maaref, Faramarz Mehrnejad, Arash Phirouznia
Pyrazinamidase (PZase), a metalloenzyme, is responsible for acidic modification of pyrazinamide (PZA), a drug used in tuberculosis treatment. The metal coordination site of the enzyme is able to coordinate various divalent metal cofactors. Previous experimental studies have demonstrated that metal ions, such as Co(2+), Mn(2+), and Zn(2+), are able to reactivate metal-depleted PZase, while others including Cu(2+), Fe(2+), and Mg(2+), cannot restore activity. In this study, we investigated binding of various metal ions to the metal coordination site (MCS) of the enzyme using quantum mechanical calculations...
February 2, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28214620/water-soluble-multifunctional-antibody-porphyrin-gold-nanoparticles-for-targeted-photodynamic-therapy
#8
Oriol Penon, María J Marín, David A Russell, Lluïsa Pérez-García
Photodynamic therapy (PDT) is a treatment of cancer by which tumour cells are destroyed using reactive oxygen species produced by photosensitizers following activation with visible or near infrared light. Successful PDT depends on the solubility and the targeting ability of the photosensitizers. In this work, the synthesis of a porphyrin-based water soluble nanoparticle conjugate containing a targeting agent that recognizes the erbB2 receptor overexpressed on the surface of particular cancer cells is reported...
February 8, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28214540/cognitive-performance-of-male-and-female-c57bl-6j-mice-after-repetitive-concussive-brain-injuries
#9
Alexander G Velosky, Laura B Tucker, Amanda H Fu, Jiong Liu, Joseph T McCabe
In contact sports, repetitive concussive brain injury (rCBI) is the prevalent form of head injury seen in athletes. The need for effective treatment is urgent as rCBI has been associated with a host of cognitive, behavioral and neurological complaints. There has been a growing trend in the use of female animals in pre-clinical research, but few studies have investigated possible sex differences following rCBI. The goal of the current study was to determine any differences between male and female C57BL/6J mice on assessments of learning and memory after repetitive concussive injury...
February 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28214398/effects-of-recirculation-in-a-three-tank-pilot-scale-system-for-pharmaceutical-removal-with-powdered-activated-carbon
#10
Victor Kårelid, Gen Larsson, Berndt Björlenius
The removal of pharmaceutically active compounds by powdered activated carbon (PAC) in municipal wastewater is a promising solution to the problem of polluted recipient waters. Today, an efficient design strategy is however lacking with regard to high-level overall, and specific, substance removal in the large scale. The performance of PAC-based removal of pharmaceuticals was studied in pilot-scale with respect to the critical parameters; contact time and PAC dose using one PAC product selected by screening in bench-scale...
February 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28214397/a-case-of-iv-degree-on-acute-radiation-dermatitis-in-china
#11
Zhen Shen, Ya-Hong Chen, Yue Chen, Yan Chen, Zhe Lv, Hai-Cheng Gao
This report investigates the nursing procedure of a case of adjuvant therapy of rectal cancer on IV degree of acute radiation dermatitis patients in the penis and scrotum junction. The lesion degree gradually increased. Fixation of the dressing was difficult in the penis and scrotum junction. The concept of wet healing with new dressings was used in patient. The silver ion dressings were used in inhibiting infection, and the wound was covered by the rimmed foam dressings. When it comes to the shaping period, water gel transparent paste was applied instead to cover the wound...
February 2, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28214393/flow-cytometric-bacterial-cell-counts-challenge-conventional-heterotrophic-plate-counts-for-routine-microbiological-drinking-water-monitoring
#12
REVIEW
S Van Nevel, S Koetzsch, C R Proctor, M D Besmer, E I Prest, J S Vrouwenvelder, A Knezev, N Boon, F Hammes
Drinking water utilities and researchers continue to rely on the century-old heterotrophic plate counts (HPC) method for routine assessment of general microbiological water quality. Bacterial cell counting with flow cytometry (FCM) is one of a number of alternative methods that challenge this status quo and provide an opportunity for improved water quality monitoring. After more than a decade of application in drinking water research, FCM methodology is optimised and established for routine application, supported by a considerable amount of data from multiple full-scale studies...
February 8, 2017: Water Research
https://www.readbyqxmd.com/read/28214375/anti-fatigue-effects-of-troxerutin-on-exercise-endurance-capacity-oxidative-stress-and-mmp-9-levels-in-trained-male-rats
#13
Mohammad Zamanian, Mohammad R Hajizadeh, Ali Esmaeili Nadimi, Ali Shamsizadeh, Mohammad Allahtavakoli
The aim of this study was to investigate effects of troxerutin (TRX) on endurance capacity, oxidative stress and MMP-9 levels in trained male rats. Forty male Wistar rats were divided into five groups. The control (Vehicle) and exercise training (5 days/week) with vehicle treatment (Exercise), exercise training with TRX treatment at 75 (Ex-TRX75), 150 (Ex-TRX150), and 300 mg/kg (Ex-TRX300). The treated groups received TRX by gavage every day while the other groups received water for 30 days. On the 30(th) day, rats were sacrificed immediately after exhaustive swimming test, and some biochemical parameters were measured...
February 18, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28214122/anaerobic-co-digestion-of-recalcitrant-agricultural-wastes-characterizing-of-biochemical-parameters-of-digestate-and-its-impacts-on-soil-ecosystem
#14
Adele Muscolo, Giovanna Settineri, Teresa Papalia, Emilio Attinà, Carmelo Basile, Maria Rosaria Panuccio
Anaerobic digestion (AD) of organic wastes is a promising alternative to landfilling for reducing Greenhouse Gas Emission (GHG) and it is encouraged by current regulation in Europe. Biogas-AD produced, represents a useful source of green energy, while its by-product (digestate) is a waste, that needs to be safely disposal. The sustainability of anaerobic digestion plants partly depends on the management of their digestion residues. This study has been focused on the environmental and economic benefits of co-digest recalcitrant agricultural wastes such olive wastes and citrus pulp, in combination with livestock wastes, straw and cheese whey for biogas production...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28214114/effects-of-salvage-logging-on-soil-properties-and-vegetation-recovery-in-a-fire-affected-mediterranean-forest-a-two-year-monitoring-research
#15
F García-Orenes, V Arcenegui, K Chrenková, J Mataix-Solera, J Moltó, A B Jara-Navarro, M P Torres
Post-fire management can have an additional impact on the ecosystem; in some cases, even more severe than the fire. Salvage logging (SL) is a common practice in most fire-affected areas. The management of burnt wood can determine microclimatic conditions and seriously affect soil properties. In some cases, the way of doing it, using heavy machinery, and the vulnerability of soils to erosion and degradation can make this management potentially aggressive to soil. Research was done in "Sierra de Mariola Natural Park" (E Spain)...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28214059/pharmacokinetic-alterations-of-rhubarb-anthraquinones-in-experimental-colitis-induced-by-dextran-sulfate-sodium-in-the-rat
#16
Wen-Jin Wu, Ru Yan, Ting Li, Ya-Ping Li, Rui-Na Zhou, Yi-Tao Wang
ETHNOPHARMACOLOGICAL RELEVANCE: Rhubarb (Rhei Rhizoma et Radix) is used for the treatment of digestive diseases in traditional medicinal practice in China. Recent studies also support its beneficial activities in alleviating ulcerative colitis (UC). AIM OF THE STUDY: This study aimed to characterize the oral pharmacokinetics of rhubarb anthraquinones, the main bioactive components of this herb, in the experimental chronic colitis rat model induced by dextran sulfate sodium (DSS) and to identify the factors causing the pharmacokinetic alterations...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28213845/topical-formulation-containing-beeswax-based-nanoparticles-improved-in-vivo-skin-barrier-function
#17
Carla Souza, Luis Alexandre Pedro de Freitas, Patrícia Maria Berardo Gonçalves Maia Campos
Lipid nanoparticles have shown many advantages for treatment/prevention of skin disorders with damaged skin barrier function. Beeswax is a favorable candidate for the development of nanosystems in the cosmetic and dermatological fields because of its advantages for the development of products for topical application. In the present study, beeswax-based nanoparticles (BNs) were prepared using the hot melt microemulsion technique and incorporated to a gel-cream formulation. The formulation was subsequently evaluated for its rheological stability and effect on stratum corneum water content (SCWC) and transepidermal water loss (TEWL) using in vivo biophysical techniques...
February 17, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28213735/microalgae-based-advanced-municipal-wastewater-treatment-for-reuse-in-water-bodies
#18
REVIEW
Jing-Han Wang, Tian-Yuan Zhang, Guo-Hua Dao, Xue-Qiao Xu, Xiao-Xiong Wang, Hong -Ying Hu
Reuse of secondary municipal effluent from wastewater treatment plants in water bodies could effectively alleviate freshwater resource shortage. However, excessive nutrients must be efficiently removed to prevent eutrophication. Compared with other means of advanced wastewater treatment, microalgae-based processes display overwhelming advantages including efficient and simultaneous N and P removal, no requirement of additional chemicals, O2 generation, CO2 mitigation, and potential value-added products from harvested biomass...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28213731/fungi-based-treatment-of-brewery-wastewater-biomass-production-and-nutrient-reduction
#19
M Hultberg, H Bodin
The beer-brewing process produces high amounts of nutrient-rich wastewater, and the increasing number of microbreweries worldwide has created a need for innovative solutions to deal with this waste. In the present study, fungal biomass production and the removal of organic carbon, phosphorus and nitrogen from synthetic brewery wastewater were studied. Different filamentous fungi with a record of safe use were screened for growth, and Trametes versicolor, Pleurotus ostreatus and Trichoderma harzianum were selected for further work...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28213708/removal-mechanisms-for-extremely-high-level-fluoroquinolone-antibiotics-in-pharmaceutical-wastewater-treatment-plants
#20
Xinyan Guo, Zheng Yan, Yi Zhang, Xiangji Kong, Deyang Kong, Zhengjun Shan, Na Wang
Pharmaceutical wastewater treatment plants (PWWTPs) receive industrial effluents from the plant that contain extremely high levels of antibiotics and are regarded as one of the major sources of antibiotics in the environment. Two PWWTPs have been selected in Zhejiang Province, China, to assess the removal mechanisms of fluoroquinolone antibiotics (FQs). PWWTP A uses activated sludge with biocarriers in a moving bed biofilm reactor in anoxic and aerobic units, and PWWTP B uses biological units under anaerobic, aerobic, and anoxic conditions...
February 17, 2017: Environmental Science and Pollution Research International
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