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https://www.readbyqxmd.com/read/29156534/effects-of-standardized-isopropanolic-black-cohosh-and-estrogen-on-salivary-function-in-ovariectomized-rats
#1
Shuya Liu, Kaiyu Niu, Yunmeng Da, Yao Liu, Jing Zhang, Wenjuan Wang, Yi Zhang, Hai Jiang, Ke Wang, Wenpei Bai, Lihua Qin, Jing Jia
Oral dryness is a common feature in menopausal women. Estrogen therapy can relieve this symptom; however, the underlying mechanism was not clear. Standardized isopropanolic black cohosh (Actaea racemosa; Remifemin) can also relieve menopausal symptoms, such as hot flashes and sweating. Our previous study showed that standardized isopropanolic black cohosh could protect the submandibular gland structure. To investigate the effects and possible mechanisms of action of estrogen and standardized isopropanolic black cohosh on submandibular gland function in ovariectomized (OVX) rats, we measured body weight, daily water consumption, and blood flow in the submandibular glands...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156522/the-prevention-of-tnf-%C3%AE-ifn-%C3%AE-mixture-induced-inflammation-in-human-keratinocyte-and-atopic-dermatitis-like-skin-lesions-in-nc-nga-mice-by-mineral-balanced-deep-sea-water
#2
Kyu-Shik Lee, So-Young Chun, Min-Gu Lee, Soyoung Kim, Tae-Jung Jang, Kyung-Soo Nam
Atopic dermatitis (AD) is a chronic inflammatory skin disease caused by environmental and chemical allergens. Despite the complexity of its pathogenesis, many investigations have shown that substances having anti-inflammatory activities alleviated the pathology of AD. Here, we evaluated the effects of mineral-balanced deep sea water (DSW) on AD-like skin damage in both in vitro and in vivo. The results showed that mineral-balanced DSW regressed inflammatory chemokines, such as macrophage-derived chemokine (MDC), thymus- and activation-regulated chemokine (TARC) and regulated on activation, normal T-cell expressed and secreted (RANTES), and cytokines, interleukin (IL)-6 and granulocyte-macrophage colony-stimulating factor (GM-CSF) mRNA expression in HaCaT immortal human keratinocyte treated with tumor necrosis factor (TNF)-α/ interferon (IFN)-γ mixture...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156348/development-of-photoprotective-antiphototoxic-and-antiphotogenotoxic-formulations-of-ocular-drugs-with-fluoroquinolones
#3
Anna Zgadzaj, Joanna Kornacka, Anita Jastrzębska, Andrzej Parzonko, Sylwester Sommer, Grzegorz Nałęcz-Jawecki
The development of innovative solutions in photosafety of photolabile pharmaceutical products may help to reduce the adverse effects of these products, caused by light exposure. Providing new data in this area of study is particularly important in case of drugs applied topically on sensitive organs such as eyes. The main goal of this research is to investigate whether two potential excipients, namely: p-coumaric acid and benzophenone-4, affect the photodegradation, phototoxicity and photogenotoxicity of water solutions of four fluoroquinolones: ciprofloxacin, lomefloxacin, fleroxacin and clinafloxacin...
November 9, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29156343/native-and-exotic-oysters-in-brazil-comparative-tolerance-to-hypercapnia
#4
Anthony Moreira, Etelvina Figueira, Iracy L Pecora, Amadeu M V M Soares, Rosa Freitas
Environmental hypercapnia in shallow coastal marine ecosystems can be exacerbated by increasing levels of atmospheric CO2. In these ecosystems organisms are expected to become increasingly subjected to pCO2 levels several times higher than those inhabiting ocean waters (e.g.: 10,000µatm), but still our current understanding on different species capacity to respond to such levels of hypercapnia is limited. Oysters are among the most important foundation species inhabiting these coastal ecosystems, although natural oyster banks are increasingly threatened worldwide...
November 17, 2017: Environmental Research
https://www.readbyqxmd.com/read/29156332/effective-flocculation-of-microcystis-aeruginosa-with-simultaneous-nutrient-precipitation-from-hydrolyzed-human-urine
#5
Yan-Shan Wang, Zhong-Hua Tong, Long-Fei Wang, Guo-Ping Sheng, Han-Qing Yu
Mechanical harvest of massive harmful algal blooms is an effective measure for bloom mitigation. Yet subsequent processing of the resulting water from algae water separation after the harvesting becomes a new problem since individual algal cells or small algal aggregates are still present in the water. Here, we proposed a novel approach for effectively flocculating the cyanobacteria Microcystis aeruginosa with a removal efficiency of 97% in 6 h using hydrolyzed urine. Nitrogen and phosphorus were simultaneously reclaimed through struvite formation...
November 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/29154844/anticoccidial-effects-of-areca-nut-areca-catechu-l-extract-on-broiler-chicks-experimentally-infected-with-eimeria-tenella
#6
Dingfa Wang, Luli Zhou, Wei Li, Hanlin Zhou, Guanyu Hou
To study the anticoccidial effects of areca nut extract (ANE) on coccidiosis, 270 one-day old Wenchang broiler chicks were divided into six equal groups, each with three replicate cages (n = 15 per cage). The six groups were the blank control group (BC), negative control group (NC), positive control group (PC), and three ANE-treated groups. The birds in the three control groups (BC, NC and PC) were fed a basal diet without ANE supplementation. The birds in the three ANE-treated groups were fed a basal diet supplied with ANE at 100 (T1), 200 (T2), or 300 (T3) mg/kg feed...
November 14, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/29154144/multi-platform-omics-analysis-of-human-ebola-virus-disease-pathogenesis
#7
Amie J Eisfeld, Peter J Halfmann, Jason P Wendler, Jennifer E Kyle, Kristin E Burnum-Johnson, Zuleyma Peralta, Tadashi Maemura, Kevin B Walters, Tokiko Watanabe, Satoshi Fukuyama, Makoto Yamashita, Jon M Jacobs, Young-Mo Kim, Cameron P Casey, Kelly G Stratton, Bobbie-Jo M Webb-Robertson, Marina A Gritsenko, Matthew E Monroe, Karl K Weitz, Anil K Shukla, Mingyuan Tian, Gabriele Neumann, Jennifer L Reed, Harm van Bakel, Thomas O Metz, Richard D Smith, Katrina M Waters, Alhaji N'jai, Foday Sahr, Yoshihiro Kawaoka
The pathogenesis of human Ebola virus disease (EVD) is complex. EVD is characterized by high levels of virus replication and dissemination, dysregulated immune responses, extensive virus- and host-mediated tissue damage, and disordered coagulation. To clarify how host responses contribute to EVD pathophysiology, we performed multi-platform 'omics analysis of peripheral blood mononuclear cells and plasma from EVD patients. Our results indicate that EVD molecular signatures overlap with those of sepsis, imply that pancreatic enzymes contribute to tissue damage in fatal EVD, and suggest that Ebola virus infection may induce aberrant neutrophils whose activity could explain hallmarks of fatal EVD...
November 15, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/29153875/the-role-of-operating-parameters-and-oxidative-damage-mechanisms-of-advanced-chemical-oxidation-processes-in-the-combat-against-antibiotic-resistant-bacteria-and-resistance-genes-present-in-urban-wastewater
#8
REVIEW
I Michael-Kordatou, P Karaolia, D Fatta-Kassinos
An upsurge in the study of antibiotic resistance in the environment has been observed in the last decade. Nowadays, it is becoming increasingly clear that urban wastewater is a key source of antibiotic resistance determinants, i.e. antibiotic-resistant bacteria and antibiotic resistance genes (ARB&ARGs). Urban wastewater reuse has arisen as an important component of water resources management in the European Union and worldwide to address prolonged water scarcity issues. Especially, biological wastewater treatment processes (i...
October 27, 2017: Water Research
https://www.readbyqxmd.com/read/29153303/goreisan-prevents-brain-edema-after-cerebral-ischemic-stroke-by-inhibiting-aquaporin-4-upregulation-in-mice
#9
Takafumi Nakano, Chisa Nishigami, Keiichi Irie, Yutaka Shigemori, Kazunori Sano, Yuta Yamashita, Takayuki Myose, Koji Tominaga, Koichi Matsuo, Yoshihiko Nakamura, Hiroyasu Ishikura, Hidetoshi Kamimura, Takashi Egawa, Kenichi Mishima
BACKGROUND: Aquaporin 4 (AQP4) is a water-selective transport protein expressed in astrocytes throughout the central nervous system. AQP4 level increases after cerebral ischemia and results in ischemic brain edema. Brain edema markedly influences mortality and motor function by elevating intracranial pressure that leads to secondary brain damage. Therefore, AQP4 is an important target to improve brain edema after cerebral ischemia. The Japanese herbal Kampo medicine, goreisan, is known to inhibit AQP4 activity...
November 16, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29152859/deletion-of-the-egf-receptor-in-vascular-smooth-muscle-cells-prevents-chronic-angiotensin-ii-induced-arterial-wall-stiffening-and-media-thickening
#10
Barbara Schreier, Mirja Hünerberg, Sigrid Mildenberger, Sindy Rabe, Daniel Bethmann, Claudia Wickenhauser, Michael Gekle
AIM: In vivo vascular smooth muscle cell (VSMC) EGF receptor (EGFR) contributes to acute angiotensin II (AII) effects on vascular tone and blood pressure. The ubiquitously expressed EGFR has been implicated in vascular remodeling preceding end-organ damage by pharmacological inhibition, and AII signaling in cultured vascular cells is partly EGFR dependent. However the role of VSMC-EGFR in vivo during AII-induced pathophysiological processes is not known. METHODS: The present study assesses the in vivo relevance of VSMC-EGFR during chronic AII challenge without further stressors, using a mouse model with inducible, VSMC-specific EGFR knock out (VSMC-EGFR-KO)...
November 20, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29151408/-protective-effect-of-5-aminosalicylic-acid-on-the-kidney-of-paraquat-poisoning-rats-by-nrf2-are-signal-pathway
#11
Yu Wang, Manhong Zhou, Yuanlan Lu, Anyong Yu, Jianguo Li
OBJECTIVE: To investigate the protective effect of 5-aminosalicylic acid (5-ASA) on renal injury poisoned by paraquat (PQ) in rats and its mechanism. METHODS: Twenty-four healthy clean male Sprague-Dawley (SD) rats were randomly divided into four groups: normal saline (NS) control group, 5-ASA control group, PQ model group and 5-ASA treatment group, with 6 rats in each group. The rat model of PQ poisoning was reproduced by intraperitoneal injection of 2% PQ solution 20 mg/kg, and the same volume of NS was given in NS control group and 5-ASA control group...
November 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29150547/the-tomato-della-protein-procera-acts-in-guard-cells-to-promote-stomatal-closure
#12
Ido Nir, Hagai Shohat, Irina Panizel, Neil E Olszewski, Asaph Aharoni, David Weiss
Plants employ stomatal closure and reduced growth to avoid water deficiency damage. Reduced levels of the growth-promoting hormone gibberellin (GA) lead to increased tolerance to water deficit, but the underlying mechanism is unknown. Here, we show that the tomato (Solanum lycopersicum) DELLA protein PROCERA (PRO), a negative regulator of GA signaling, acts in guard cells to promote stomatal closure and reduce water loss in response to water deficiency by increasing abscisic acid (ABA) sensitivity. The loss-of-function pro mutant exhibited increased stomatal conductance and rapid wilting under water-deficit stress...
November 17, 2017: Plant Cell
https://www.readbyqxmd.com/read/29150085/pinocembrin-alleviates-cognition-deficits-by-inhibiting-inflammation-in-diabetic-mice
#13
Bing Pei, Jian Sun
Diabetic encephalopathy (DE) is one of the most common diabetic complications in diabetes mellitus and is characterized by cognitive impairment and neuroinflammation. It has been reported that hyperglycemia can induce hippocampal and cortical neuronal damage, which can result in severe spatial learning and memory impairment. Pinocembrin (Pino) has been widely used in the therapy of cancer and other diseases due to its anti-inflammatory, anti-allergic, anti-oxidant, anti-carcinogenic, and anti-viral activities...
November 8, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29149412/the-translationally-controlled-tumor-protein-and-the-cellular-response-to-ionizing-radiation-induced-dna-damage
#14
Jie Zhang, Grace Shim, Sonia M de Toledo, Edouard I Azzam
The absorption of ionizing radiation by living cells can directly disrupt atomic structures, producing chemical and biological changes. It can also act indirectly through radiolysis of water, thereby generating reactive chemical species that may damage nucleic acids, proteins, and lipids. Together, the direct and indirect effects of radiation initiate a series of biochemical and molecular signaling events that may repair the damage or culminate in permanent physiological changes or cell death. In efforts to gain insight into the mechanisms underlying these effects, we observed a prominent upregulation of the Translationally Controlled Tumor Protein (TCTP) in low dose/low dose rate (137)Cs γ-irradiated cells that was associated with adaptive responses that reduced chromosomal damage to a level lower than what occurs spontaneously...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/29147981/low-atrazine-dosages-reduce-sperm-quality-of-calomys-laucha-mice
#15
Graciela Quintana Saalfeld, Antônio Sergio Varela Junior, Tiane Castro, Fernanda Alves Pereira, Stela Mari Meneghello Gheller, Alessandra Cardoso da Silva, Carine Dahl Corcini, Carlos Eduardo da Rosa, Elton Pinto Colares
Reproductive effects caused by the exposure to environmentally relevant dosages of atrazine on wild animals are poorly understood. This study evaluated the effects of three dosages of atrazine on sperm parameters of adult Calomys laucha males. Adult mice were orally exposed to dosages of 0 (water and vehicle control), 0.1, 1, and 10 mg/kg of animal weight for a 21-day period. Following exposure, analyses were performed to determine sperm motility parameters, plasma membrane integrity and fluidity, mitochondrial functionality, acrosome integrity, DNA damage, lipid peroxidation, and production of reactive oxygen species (ROS) in the sperm samples...
November 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29147809/application-of-actuator-driven-pulsed-water-jet-for-coronary-artery-bypass-grafting-assessment-in-a-swine-model
#16
Tomoyuki Suzuki, Shunsuke Kawamoto, Atsuhiro Nakagawa, Toshiki Endo, Teiji Tominaga, Masatoshi Akiyama, Osamu Adachi, Kiichiro Kumagai, Yoshikatsu Saiki
Actuator-driven pulsed water-jet (ADPJ) dissection is an emerging surgical method for dissecting tissue without heat and mechanical injury to vessels. We elucidated the mechanical properties of the piezo ADPJ and evaluated its usefulness and safety in coronary artery bypass grafting procedures. The relationship between the input voltage (10-100 V) and peak pressure of the pulsed water jet was evaluated. The tissue strengths of swine internal thoracic and coronary arteries and the surrounding tissues were measured to assure tissue-selective dissection...
November 16, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29146879/2-cl-mgv-1-ameliorates-apoptosis-in-the-thalamus-and-hippocampus-and-cognitive-deficits-after-cortical-infarct-in-rats
#17
Yicong Chen, Leo Veenman, Sukhdev Singh, Fubing Ouyang, Jiahui Liang, Weixian Huang, Ilan Marek, Jinsheng Zeng, Moshe Gavish
BACKGROUND AND PURPOSE: Focal cortical infarction causes neuronal apoptosis in the ipsilateral nonischemic thalamus and hippocampus, which is potentially associated with poststroke cognitive deficits. TSPO (translocator protein) is critical in regulating mitochondrial apoptosis pathways. We examined the effects of the novel TSPO ligand 2-(2-chlorophenyl)quinazolin-4-yl dimethylcarbamate (2-Cl-MGV-1) on poststroke cognitive deficits, neuronal mitochondrial apoptosis, and secondary damage in the ipsilateral thalamus and hippocampus after cortical infarction...
November 16, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29145779/quality-and-safety-of-maize-zea-mays-l-from-rondonia-state-storage-units-northern-brazil
#18
R Valmorbida, G D Savi, J R Silva, M M O Yanez, C E S Soares, C Runtzel, P N Nascimento, V M Scussel
The quality and safety of maize (Zea mays L.) from different grain storage units (GSUs), located in the main producing region of Rondonia State (RO), Northern Brazil were evaluated. Maize grains (n= 76) stored in four GSUs were collected from July to November 2014 and evaluated for grain damages, humidity, fungi and fumonisins (FBs) content. The climate conditions data were also obtained from plant growing to storage periods. Regarding the moisture content and water activity, these varied from 10.0 to 16.1% and 0...
November 16, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29145537/the-role-of-iron-in-type-1-diabetes-etiology-a-systematic-review-of-new-evidence-on-a-long-standing-mystery
#19
Karen L Søgaard, Christina Ellervik, Jannet Svensson, Steffen U Thorsen
BACKGROUND: The incidence of type 1 diabetes (T1D) is rising, which might be due to the influence of environmental factors. Biological and epidemiological evidence has shown that excess iron is associated with beta-cell damage and impaired insulin secretion. AIM: In this review, our aim was to assess the association between iron and the risk of T1D. METHODS: A systematic literature search was performed in PubMed and EMBASE in July 2016. Studies investigating the effect of iron status/intake on the risk of developing T1D later were included, and study quality was evaluated...
July 2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/29145131/removal-of-the-precursors-of-n-nitrosodiethylamine-ndea-an-emerging-disinfection-byproduct-in-drinking-water-treatment-process-and-its-toxicity-to-adult-zebrafish-danio-rerio
#20
Jian Zheng, Tao Lin, Wei Chen
N-nitrosodiethylamine (NDEA) is one of the emerging nitrogenous disinfection byproducts with probable cytotoxicity, genotoxicity, and carcinogenesis. Its potential toxicological effects have received extensive attention but remain to be poorly understood. In this study, changes in NDEA precursors in drinking water treatment process were studied using the trial of its formation potential (FP), and the toxicity induced by NDEA to adult zebrafish was investigated. NDEA FP in the raw water of Taihu Lake ranged from 46...
October 10, 2017: Chemosphere
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