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https://www.readbyqxmd.com/read/29350276/effect-of-swimming-exercise-on-premenstrual-syndrome
#1
Ahmed Mohamed Maged, Amr H Abbassy, Hend R S Sakr, Heba Elsawah, Heba Wagih, Asmaa I Ogila, Amal Kotb
OBJECTIVE: To study the effectiveness of performing swimming on the severity of symptoms of premenstrual syndrome (PMS). MATERIALS AND METHODS: A randomized controlled trial that was conducted on 70 women diagnosed with PMS divided randomly into two equal groups: Group I included women who engaged into exercise and group II controls. Daily Symptoms Report was filled at the start and at end of the study. RESULTS: At the posttreatment evaluation, there was a highly significant difference between the study and control groups regarding anxiety (0 vs...
January 19, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29350064/comparison-of-hyaluronic-acid-based-micelles-and-polyethylene-glycol-based-micelles-on-reversal-of-multidrug-resistance-and-enhanced-anticancer-efficacy-in-vitro-and-in-vivo
#2
Jinling Wang, Ying Li, Lifang Wang, Xiaohui Wang, Pengfei Tu
Polyethylene glycol (PEG)-based block copolymer micelles and hyaluronic acid (HA)-based grafted copolymer micelles have been widely investigated in chemotherapy. In this study, to evaluate the differences among HA-based grafted polymer micelles, PEG-based block polymer micelles and the mixed of these two micelles in enhancing antitumor effects and overcoming MDR, two amphiphilic vitamin E succinate (VES) derivatives, HA VES (HA-g-VES) and PEG 2000 VES (TPGS2k), were applied as nanocarriers to prepare HA-VES micelles (HA-PMs), TPGS2k micelles (TPGS2k-PMs) and the mixed micelles (HA/TPGS2k-PMs) for the co-delivery of doxorubicin (DOX) and curcumin (Cur)...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29349683/plantamajoside-inhibits-lipopolysaccharide-induced-muc5ac-expression-and-inflammation-through-suppressing-the-pi3k-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways-in-human-airway-epithelial-cells
#3
Chaonan Ma, Wei Ma
It has been reported that plantamajoside (PMS), a major natural compound isolated from Plantago asiatica, has anti-inflammatory activities. However, the effect of PMS on respiratory inflammatory diseases has not yet been studied. The present study aimed to evaluate the effect of PMS on lipopolysaccharide (LPS)-induced airway inflammation and the underlying mechanism. The results showed that PMS did not affect the cell viability of 16-HBE cells. PMS (20 and 40 μg/ml) decreased the expression levels of MUC5AC, IL-6, and IL-1β, which were induced by LPS treatment...
January 18, 2018: Inflammation
https://www.readbyqxmd.com/read/29346115/mitochondrial-dysfunction-a-key-player-in-the-pathogenesis-of-cardiovascular-diseases-linked-to-air-pollution
#4
REVIEW
Sri Rahavi Boovarahan, Gino A Kurian
Air pollution has become an environmental burden with regard to non-communicable diseases, particularly heart disease. It has been reported that air pollution can accelerate the development of heart failure and atrial fibrillation. Air pollutants encompass various particulate matters (PMs), which change the blood composition and heart rate and eventually leads to cardiac failure by triggering atherosclerotic plaque ruptures or by developing irreversible ischemia. A series of major epidemiological and observational studies have established the noxious effect of air pollutants on cardiovascular diseases (CVD), but the underlying molecular mechanisms of its susceptibility and the pathological disease events remain largely elusive and are predicted to be initiated in the cell organelle...
January 18, 2018: Reviews on Environmental Health
https://www.readbyqxmd.com/read/29341170/identification-and-characterization-of-a-new-three-component-nicotinic-acid-hydroxylase-nahab1-b2-from-pusillimonas-sp-strain-t2
#5
Mei Yuan, Yanting Zhang, Lingling Zhao, Yun Ma, Qin He, Jian He, Jiguo Qiu
Nicotinic acid (NA) is ubiquitous in nature and its microbial degradation mechanisms are diverse. In this study, Pusillimonas sp. strain T2 was found to be capable of utilizing NA as sole carbon and nitrogen sources. This strain could completely degrade 300 mg L-1 NA within 3.5 h at 30 °C and pH 7.0. And one of the degradation intermediate of NA was identified as 6-hydroxynicotinic acid (6HNA). The draft genome sequences of strain T2 was determined to have a total length of 3.3 M bp and 3,054 proteins were predicted...
January 16, 2018: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/29334505/the-association-of-chronic-air-pollutants-with-coronary-artery-spasm-vasospastic-angina-and-endothelial-dysfunction
#6
Byoung Geol Choi, Jiwon Lee, Suhng Wook Kim, Min Woo Lee, Man Jong Baek, Yang Gi Ryu, Se Yeon Choi, Jae Kyeong Byun, Ahmed Mashaly, Yoonjee Park, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh, Seung-Woon Rha
BACKGROUND: We evaluated the effect of chronic exposure to air pollutants (APs) on coronary endothelial function and significant coronary artery spasm (CAS) as assessed by intracoronary acetylcholine (ACH) provocation test. PATIENTS AND METHODS: A total of 6430 patients with typical or atypical chest pain who underwent intracoronary ACH provocation test were enrolled. We obtained data on APs from the Korean National Institute of Environmental Research (http://www...
January 12, 2018: Coronary Artery Disease
https://www.readbyqxmd.com/read/29334264/antifungal-activity-of-phenolic-monoterpenes-and-structure-related-compounds-against-plant-pathogenic-fungi
#7
Kaibo Wang, Shanshan Jiang, Te Pu, Liming Fan, Fawu Su, Min Ye
The aim of this work is to explore the possibility of using the phenolic monoterpenes (PMs) as leading compounds with antifungal activity against plant disease. The in vitro antifungal activities of carvacrol and thymol against seven kinds of plant pathogenic fungi were evaluated on mycelium growth rate method, and the results showed that carvacrol and thymol exhibited broad spectrum antifungal activity. Structure requirement for the antifungal activity of PMs was also investigated. The preliminary conclusion was that phenolic hydroxyl and monoterpene were basic structures for the antifungal activity of PMs, and the position of phenolic hydroxyl showed less effect...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29333350/scale-up-of-a-luminescent-solar-concentrator-based-photomicroreactor-via-numbering-up
#8
Fang Zhao, Dario Cambié, Jeroen Janse, Eric W Wieland, Koen P L Kuijpers, Volker Hessel, Michael G Debije, Timothy Noël
The use of solar energy to power chemical reactions is a long-standing dream of the chemical community. Recently, visible-light-mediated photoredox catalysis has been recognized as the ideal catalytic transformation to convert solar energy into chemical bonds. However, scaling photochemical transformations has been extremely challenging due to Bouguer-Lambert-Beer law. Recently, we have pioneered the development of luminescent solar concentrator photomicroreactors (LSC-PMs), which display an excellent energy efficiency...
January 2, 2018: ACS Sustainable Chemistry & Engineering
https://www.readbyqxmd.com/read/29331784/degradation-of-dyes-by-peroxymonosulfate-activated-by-ternary-cofeni-layered-double-hydroxide-catalytic-performance-mechanism-and-kinetic-modeling
#9
Hanxuan Zeng, Weiqiu Zhang, Lin Deng, Jinming Luo, Shiqing Zhou, Xia Liu, Yong Pei, Zhou Shi, John Crittenden
Ternary CoFeNi-layered double hydroxide (CoFeNi-LDH) was synthesized and initially applied to activate peroxymonosulfate (PMS) for the degradation of Congo red (CR) and Rhodamine B (RhB). The results show that the CoFeNi-LDH/PMS system can efficiently degrade nearly 100% of 20 mg/L CR or 20 mg/L RhB within 6- and 10-min reaction times, respectively. And the catalyst exhibits higher degradation efficiency on CR than on RhB under identical conditions, which is confirmed by electron clouds of the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) performed by DFT calculations...
January 4, 2018: Journal of Colloid and Interface Science
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
#10
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/29329055/altered-brain-structure-in-women-with-premenstrual-syndrome
#11
Peng Liu, Ying Wei, Yingying Fan, Ru Li, Yanfei Liu, Geliang Wang, Yichen Wei, Yong Pang, Demao Deng, Wei Qin
BACKGROUND: Functional brain abnormalities have been noted in premenstrual syndrome (PMS). However, the brain structural alterations related to PMS remain unclear. This study aimed to identify possible abnormalities in gray matter (GM) volumes and structural covariance patterns among PMS patients. METHODS: Structural magnetic resonance imaging data were obtained from 20 PMS patients and 20 healthy controls. Voxel-based morphometry (VBM) analysis was applied to examine GM volumes changes between the two groups...
January 3, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29324847/sabina-chinensis-and-liriodendron-chinense-improve-air-quality-in-beijing-china
#12
Yanan Wu, Wenmei Ma, Jiakai Liu, Lijuan Zhu, Ling Cong, Jiexiu Zhai, Yu Wang, Zhenming Zhang
Urban forests have been shown to be efficient for reducing air pollutants especially for particulate matters (PMs). This study aims to reveal the PM blocking capacity of two common artificial landscape species, Sabina chinensis and Liriodendron chinense and to investigate spatial-temporal heterogeneities by estimating the vegetation collection velocity of coarse (PM10) and fine particles (PM2.5) during different seasons and heights. PM concentration and meteorological data were collected on both leeward and windward sides of trees during the daytime in both summers and winters from 2013 to 2015...
2018: PloS One
https://www.readbyqxmd.com/read/29318746/pigmented-macrophages-and-related-aggregates-in-the-spleen-of-european-sea-bass-dosed-with-heavy-metals-ultrastructure-and-explorative-morphometric-analysis
#13
Maurizio Manera, Bahram Sayyaf Dezfuli, Joseph A DePasquale, Luisa Giari
The ultrastructure and morphometrics of pigmented macrophages (PMs) were assessed in the spleen of European sea bass experimentally dosed with Cd and Hg. PMs occurred either as solitary cells or as variably structured aggregations, defined as macrophage aggregates (MAs). Light microscopy revealed a high degree of morphological heterogeneity amongst MAs of all experimental groups. At the ultrastructural level, MAs showed a heterogeneous pigment content that was not influenced by the treatment. Cytoplasm rarefaction/vacuolation and euchromatic nuclei, were observed in PMs of dosed fish...
January 10, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29318566/diagnostic-accuracy-of-level-iv-portable-sleep-monitors-versus-polysomnography-for-obstructive-sleep-apnea-a-systematic-review-and-meta-analysis
#14
REVIEW
Lusine Abrahamyan, Yeva Sahakyan, Suzanne Chung, Petros Pechlivanoglou, Joanna Bielecki, Steven M Carcone, Valeria E Rac, Michael Fitzpatrick, Murray Krahn
PURPOSE: Obstructive sleep apnea (OSA) is the most common sleep-related breathing disorder. In-laboratory, overnight type I polysomnography (PSG) is the current "gold standard" for diagnosing OSA. Home sleep apnea testing (HSAT) using portable monitors (PMs) is an alternative testing method offering better comfort and lower costs. We aimed to systematically review the evidence on diagnostic ability of type IV PMs compared to PSG in diagnosing OSA. METHODS: Participants: patients ≥16 years old with symptoms suggestive of OSA;intervention: type IV PMs (devices with < 2 respiratory channels); comparator: in-laboratory PSG; outcomes: diagnostic accuracy measures;studies: cross-sectional, prospective observational/experimental/quasi-experimental studies; information sources: MEDLINE and Cochrane Library from January 1, 2010 to May 10, 2016...
January 9, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29316465/chlorine-levels-and-species-in-fine-and-size-resolved-atmospheric-particles-by-x-ray-absorption-near-edge-structure-spectroscopy-analysis-in-beijing-china
#15
Jie Ouyang, Guo-Sheng Yang, Ling-Ling Ma, Min Luo, Lei Zheng, Qing Huo, Yi-Dong Zhao, Tian-Dou Hu, Zhen-Feng Cai, Dian-Dou Xu
An understanding of the species of chlorine is crucial in the metropolis-Beijing, which is suffering serious haze pollution with high frequency. Particulate Matters (PMs) with five different sizes were collected in Beijing from July 2009 to March 2016, and characterized non-destructively by X-ray absorption near edge structure spectroscopy. PM<0.2, PM0.2-0.5 and PM>2.5 contributed for the major PMs mass in spring and summer, PM0.5-1.0 and PM1.0-2.5 contributed for the major PMs mass in autumn and winter...
December 22, 2017: Chemosphere
https://www.readbyqxmd.com/read/29313392/improved-intestinal-absorption-of-paclitaxel-by-mixed-micelles-self-assembled-from-vitamin-e-succinate-based-amphiphilic-polymers-and-their-transcellular-transport-mechanism-and-intracellular-trafficking-routes
#16
Xiaoyou Qu, Yang Zou, Chuyu He, Yuanhang Zhou, Yao Jin, Yunqiang Deng, Ziqi Wang, Xinru Li, Yanxia Zhou, Yan Liu
To ensure that antitumor drugs can be effectively transported across intestinal barrier and then quickly released in tumor cells, mixed polymeric micelles (Mix-PMs) were designed and fabricated by combining poly(2-ethyl-2-oxazoline)-vitamin E succinate (PEOz-VES) with TPGS1000 for enhancing intestinal absorption of paclitaxel. PEOz-VES exhibited an extremely low critical micelle concentration and negligible cytotoxicity. The Mix-PMs were characterized to have about 20 nm in diameter, uniform spherical morphology, high drug-loading content and sustained drug release profile with a retained pH-sensitivity...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29311135/clinical-pharmacokinetics-and-the-impact-of-genetic-polymorphism-on-a-cyp2c19-substrate-bms-823778-in-healthy-subjects
#17
Jiachang Gong, Lars Hansen, Lisa Iacono
BMS-823778 is a potent and selective inhibitor of 11beta-HSD1, an enzyme that regulates tissue specific intracellular glucocorticoid metabolism and a compelling target for the treatment of metabolic diseases. Metabolism of BMS-823778 was mainly mediated by polymorphic CYP2C19 with minor contribution from CYP3A3/5 and UGT1A4. Clinical PK of BMS-823778 was first investigated in healthy volunteers after single and multiple ascending doses. BMS-823778 was rapidly absorbed after oral dose, and systemic exposure at steady state increased proportionally to the dose...
January 8, 2018: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29305663/investigation-of-auditory-potentials-and-cognitive-impairment-in-premenstrual-syndrome
#18
Ceyda Hayretdag Ors, Handan Işin Ozisik Karaman
Premenstrual syndrome is a term which is used for describing of somatic, cognitive, emotional, and behavioral symptoms that occur during the luteal phase of menstrual cycle in women of reproductive age; symptoms rapidly improve at the onset of menstruation. In this study, we aimed to reveal if cognitive functions are affected or not in PMS and if the subjects are affected, we try to explain this situation by an objective diagnostic test. Ethical committee approval was taken for this project on 09.03.2012 and numbered 050...
January 5, 2018: Neurological Sciences
https://www.readbyqxmd.com/read/29283406/disturbance-estimated-adaptive-backstepping-sliding-mode-control-of-a-pneumatic-muscles-driven-ankle-rehabilitation-robot
#19
Qingsong Ai, Chengxiang Zhu, Jie Zuo, Wei Meng, Quan Liu, Sheng Q Xie, Ming Yang
A rehabilitation robot plays an important role in relieving the therapists' burden and helping patients with ankle injuries to perform more accurate and effective rehabilitation training. However, a majority of current ankle rehabilitation robots are rigid and have drawbacks in terms of complex structure, poor flexibility and lack of safety. Taking advantages of pneumatic muscles' good flexibility and light weight, we developed a novel two degrees of freedom (2-DOF) parallel compliant ankle rehabilitation robot actuated by pneumatic muscles (PMs)...
December 28, 2017: Sensors
https://www.readbyqxmd.com/read/29277570/effects-of-collected-road-dusts-on-cell-viability-inflammatory-response-and-oxidative-stress-in-cultured-human-corneal-epithelial-cells
#20
Sunah Yoon, Sehyun Han, Ki-Jun Jeon, Soonjo Kwon
Most studies on the adverse effects of air pollution have focused on respiratory and cardiovascular diseases, and there are relatively few studies on eye diseases following exposure of ambient particulate matter (PM). Epidemiological and clinical researches correlating the eye and PMs have recently received attention. PMs are complex mixture of particles that vary in chemical composition and size. This study investigated the influence of collected road dust on cell viability, inflammatory responses, and oxidative stress in human corneal epithelial cells...
December 22, 2017: Toxicology Letters
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