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https://www.readbyqxmd.com/read/28551911/-extrinsic-and-intrinsic-factors-for-falls-that-caused-hip-fracture
#1
Atzmon Tsur, Nael Shakeer, Zvi Segal, Dorit Itah, Dana Eluz
INTRODUCTION: Among the reasons described as possibly causing falls in older and elderly people are extrinsic factors such as bumping into objects, slipping on a wet floor, etc., and intrinsic factors - those that occur suddenly without warning. OBJECTIVES: To investigate the connection between the reasons for falls, extrinsic or intrinsic and different medical and nonmedical factors. METHODS: The survey included 82 people, 53 women and 29 men, who fell and broke their hip, underwent surgery, and were treated at the Rehabilitation Department...
May 2017: Harefuah
https://www.readbyqxmd.com/read/28549762/assessment-of-exposure-for-baby-cosmetic-care-products-in-a-korean-population
#2
Eunyoung Lee, Jongbok Yun, Jaehyoun Ha, Byung Cheol Park, Gyeong Hun Park, Hak Rim Kim, Seung Phil Hong, Kyu Bong Kim, Myung Hwa Kim
Assessment of exposure to cosmetic products via the skin is important for evaluating the risks associated with the use of these products. However, few exposure studies have been conducted with babies, particularly in Asia. The aim of our study was to assess the exposure to selected cosmetic products in babies under the age of 36 months, over both winter and summer months. We evaluated exposure for seven cosmetic baby care products identified in a previous web-based survey as being commonly used by Korean parents...
May 23, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28546709/salvage-surgery-for-cervical-cancer-recurrences
#3
P Rema, Arun Peter Mathew, S Suchetha, Iqbal Ahmed
Cervical cancer usually presents in advanced stages and is treated with chemoradiation. About 15-20 % patients present with local recurrence after chemoradiation. Radical surgical resection is the only treatment modality offering long term survival benefit in recurrent cervical cancer. The most common surgical option for these patients is pelvic exenteration. Radical hysterectomy may be done for patients with a small centrally located recurrence in the cervix with no infiltration of adjacent structures. The aim of this study was to evaluate the morbidity and survival outcome following radical hysterectomy and pelvic exenteration for recurrent cancer cervix...
June 2017: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28544201/influence-of-highly-porous-electrospun-plga-pcl-nha-fibrous-scaffolds-on-the-differentiation-of-tooth-bud-cells-in-vitro
#4
Xinjie Cai, Sofie Ten Hoopen, Weibo Zhang, Charles Yi, Wanxun Yang, Fang Yang, John A Jansen, X Frank Walboomers, Pamela C Yelick
In this study, we investigated the use of three-dimensional electrospun poly(lactic-co-glycolic acid)/poly(ε-caprolactone) (PLGA/PCL) scaffolds seeded and cultured with postnatal dental cells, for improved dental tissue regeneration. Wet-electrospinning combined with ultrasonic treatment was studied as a method to enhance scaffold porosity and to promote cell-cell interactions. We also investigated whether nano-hydroxyapatite (nHA) incorporation could enhance dental cell differentiation. All scaffolds were seeded with human tooth pulp-derived dental mesenchymal (hDM) cells, or a combination of hDM and pig dental epithelial (pDE) cells, cultured for up to 28 days...
May 24, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28540488/an-18s-rrna-workflow-for-characterizing-protists-in-sewage-with-a-focus-on-zoonotic-trichomonads
#5
Julia M Maritz, Krysta H Rogers, Tara M Rock, Nicole Liu, Susan Joseph, Kirkwood M Land, Jane M Carlton
Microbial eukaryotes (protists) are important components of terrestrial and aquatic environments, as well as animal and human microbiomes. Their relationships with metazoa range from mutualistic to parasitic and zoonotic (i.e., transmissible between humans and animals). Despite their ecological importance, our knowledge of protists in urban environments lags behind that of bacteria, largely due to a lack of experimentally validated high-throughput protocols that produce accurate estimates of protist diversity while minimizing non-protist DNA representation...
May 24, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28538627/early-heparin-administration-after-tbi-prolonged-cognitive-recovery-associated-with-reduced-cerebral-edema-and-neutrophil-sequestration
#6
Katsuhiro Nagata, Kevin D Browne, Yujin Suto, Kenichiro Kumasaka, John Cognetti, Victoria E Johnson, Joshua Marks, Douglas H Smith, Jose L Pascual
BACKGROUND: Early administration of unfractionated heparin (UFH) after TBI reduces early in vivo circulating leukocytes (LEU) in peri-injury penumbral brain tissue, enhancing cognitive recovery 2 days after injury. It remains unclear how long this effect lasts and if this is related to persistently accumulating LEU in penumbral brain tissue. We hypothesized that UFH reduces LEU brain tissue sequestration resulting in prolonged cognitive recovery. METHODS: CD1 male mice underwent either TBI by controlled cortical impact (CCI) or sham craniotomy...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28535510/heat-shock-protein-a12b-protects-vascular-endothelial-cells-against-sepsis-induced-acute-lung-injury-in-mice
#7
Yi Chen, Lei Wang, Qiuxiang Kang, Xu Zhang, Guifang Yu, Xiaojian Wan, Jiafeng Wang, Keming Zhu
BACKGROUND: Pulmonary endothelial injury is a critical process in the pathogenesis of acute lung injury (ALI) during sepsis. Heat shock protein A12B (HSPA12B) is mainly expressed in endothelial cells and protects against several harmful factors. However, the effects of HSPA12B in sepsis-induced ALI and its potential mechanisms of action remain unclear. METHODS: For in vivo experiments, C57BL/6 mice were randomly divided into four groups (n=15): a sham operation group, a cecal ligation and puncture (CLP) group, a HSPA12B siRNA-CLP group and a negative control (NC) siRNA-CLP group...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28533540/recent-changes-in-daily-climate-extremes-in-an-arid-mountain-region-a-case-study-in-northwestern-china-s-qilian-mountains
#8
Pengfei Lin, Zhibin He, Jun Du, Longfei Chen, Xi Zhu, Jing Li
Changes in climate extremes pose far-reaching consequences to ecological processes and hydrologic cycles in alpine ecosystems of the arid mountain regions. Therefore, regional assessments in various climates and mountain regions are needed for understanding the uncertainties of the change trends for extreme climate events. The objective of this study was to assess the spatial distribution and temporal trends of extreme precipitation and temperature events responses to global warming on the arid mountain regions of China...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522397/cellulose-acetate-poly-lactic-acid-coaxial-wet-electrospun-scaffold-containing-citalopram-loaded-gelatin-nanocarriers-for-neural-tissue-engineering-applications
#9
Mahdi Naseri-Nosar, Majid Salehi, Shahriar Hojjati-Emami
The current study aimed to develop a biodegradable three-dimensional drug-loaded scaffold with the core-shell structured fibrils using coaxial wet-electrospinning for neural tissue engineering application. Poly lactic acid was wet-electrospun as the core, whereas cellulose acetate was fabricated into the fibril's shell. The scaffold then was coated with citalopram-loaded gelatin nanocarriers (CGNs) produced by nanoprecipitation. Scanning electron microscope observation revealed that the fibrils formed a nonwoven structure with the average diameter of ∼950nm...
May 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28521513/astragalus-polysaccharides-attenuate-monocrotaline-induced-pulmonary-arterial-hypertension-in-rats
#10
Lin-Bo Yuan, Chun-Yan Hua, Sheng Gao, Ya-Ling Yin, Mao Dai, Han-Yan Meng, Piao-Piao Li, Zhong-Xin Yang, Qing-Hua Hu
Astragalus polysaccharides (APS) have been shown to possess a variety of biological activities including anti-oxidant and anti-inflammation functions in a number of diseases. However, their function in pulmonary arterial hypertension (PAH) is still unknown. Rats received APS (200[Formula: see text]mg/kg once two days) for 2 weeks after being injected with monocrotaline (MCT; 60[Formula: see text]mg/kg). The pulmonary hemodynamic index, right ventricular hypertrophy, and lung morphological features of the rat models were examined, as well as the NO/eNOS ratio of wet lung and dry lung weight and MPO...
May 18, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28516061/the-effect-of-vaginal-cream-containing-ginger-in-users-of-clotrimazole-vaginal-cream-on-vaginal-candidiasis
#11
Sheida Shabanian, Sima Khalili, Zahra Lorigooini, Afsaneh Malekpour, Saeid Heidari-Soureshjani
Vulvovaginal candidiasis is one of the most common infections of the genital tract in women that causes many complications. Therefore, we examined the clinical effect of ginger cream along with clotrimazole compared to vaginal clotrimazole alone in this study. This double-blind clinical trial was conducted on 67 women admitted to the Gynecology Clinic of Hajar Hospital with vaginal candidiasis. The patients were divided randomly into two groups of 33 and 34 people. The diagnosis was made according to clinical symptoms, wet smear, and culture...
April 2017: Journal of Advanced Pharmaceutical Technology & Research
https://www.readbyqxmd.com/read/28502162/identification-of-major-sources-of-atmospheric-nh3-in-an-urban-environment-in-northern-china-during-wintertime
#12
Xiaolin Teng, Qingjing Hu, Leiming Zhang, Jiajia Qi, Jinhui Shi, Huan Xie, Huiwang Gao, Xiaohong Yao
To assess the relative contributions of traffic emission and other potential sources to high levels of atmospheric ammonia (NH3) in urban areas in the wintertime, atmospheric NH3 and related pollutants were measured at an urban site, ∼300 m from a major traffic road, in northern China in November and December 2015. Hourly average NH3 varied from 0.3 to 10.8 ppb with an average of 2.4 ppb during the campaign. Contrary to the common perspective in literature, traffic emission was demonstrated to be a negligible contributor to atmospheric NH3...
May 26, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28498895/acute-illness-among-surfers-after-exposure-to-seawater-in-dry-and-wet-weather-conditions
#13
Benjamin F Arnold, Kenneth C Schiff, Ayse Ercumen, Jade Benjamin-Chung, Joshua A Steele, John F Griffith, Steven J Steinberg, Paul Smith, Charles D McGee, Richard Wilson, Chad Nelsen, Stephen B Weisberg, John M Colford
Rainstorms increase levels of fecal indicator bacteria in urban coastal waters, but it is unknown whether exposure to seawater after rainstorms increases rates of acute illness. Our objective was to provide the first estimates of rates of acute illness after seawater exposure during both dry- and wet-weather periods and to determine the relationship between levels of indicator bacteria and illness among surfers, a population with a high potential for exposure after rain. We enrolled 654 surfers in San Diego, California, and followed them longitudinally during the 2013-2014 and 2014-2015 winters (33,377 days of observation, 10,081 surf sessions)...
May 11, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28492730/paleoenvironmental-evolution-of-continental-carbonates-in-west-central-brazil
#14
Emiliano C Oliveira, Dilce F Rossetti, Giselle Utida
This paper presents a sedimentological and stratigraphical study of Quaternary (Middle to Late Pleistocene/Holocene) continental carbonates outcrops inside Pantanal Basin and its surroundings, especially in Serra da Bodoquena, Pantanal do Miranda and Corumbá/Ladário plateau, in the state of Mato Grosso do Sul, as well as in Serra das Araras, in the state of Mato Grosso. The aim is to understand the depositional paleoenvironments and analyse climate and tectonic influences in their genesis and evolution. The results show that the deposition of these continental carbonates started in the Middle to Late Pleistocene and have continued, with some interruptions, until the present days...
May 4, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28491305/effects-of-carvedilol-on-structural-and-functional-outcomes-and-plasma-biomarkers-in-the-mouse-transverse-aortic-constriction-heart-failure-model
#15
Caryn Hampton, Raymond Rosa, Daphne Szeto, Gail Forrest, Barry Campbell, Richard Kennan, Shubing Wang, Chin-Hu Huang, Loise Gichuru, Xiaoli Ping, Xiaolan Shen, Kersten Small, Jeffrey Madwed, Joseph J Lynch
INTRODUCTION: Despite the widespread use of the mouse transverse aortic constriction heart failure model, there are no reports on the characterization of the standard-of-care agent carvedilol in this model. METHODS: Left ventricular pressure overload was produced in mice by transverse aortic constriction between the innominate and left common carotid arteries. Carvedilol was administered at multiple dose levels (3, 10 and 30 mg/kg/day per os; yielding end-study mean plasma concentrations of 0...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28489954/astaxanthin-prevented-oxidative-stress-in-heart-and-kidneys-of-isoproterenol-administered-aged-rats
#16
Mohammad Nazmul Alam, Md Murad Hossain, Md Mizanur Rahman, Nusrat Subhan, Md Abdullah Al Mamun, Anayt Ulla, Hasan Mahmud Reza, Md Ashraful Alam
The objective of this study was to investigate the effect of astaxanthin on isoproterenol (ISO)-induced myocardial infarction and cardiac hypertrophy in rats. To evaluate the effect of astaxanthin on ISO-induced cardiac dysfunction, 18 aged Long Evans male rats were evenly divided into three groups. Group I (Control group) was given only the laboratory-ground food and normal water. Group II (ISO group) was administered ISO at a dose of 50 mg/kg subcutaneously (SC) twice a week for two weeks. Group III (Astaxanthin + ISO group) was treated with astaxanthin (25 mg/kg) orally every day and ISO 50 mg/kg SC twice a week for two weeks...
May 10, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28485787/pachymic-acid-improves-survival-and-attenuates-acute-lung-injury-in-septic-rats-induced-by-cecal-ligation-and-puncture
#17
J-Y Li, H-X Wu, G Yang
OBJECTIVE: The purpose of this study was to elucidate the possible beneficial effects of pachymic acid (PA) on acute lung injury (ALI) in a rat model of sepsis. MATERIALS AND METHODS: A rat model of sepsis induced by cecal ligation and puncture (CLP) was used. Rats were randomly divided into five groups: sham, CLP, CLP + PA 1 mg/kg, CLP + PA 5 mg/kg, CLP + PA 10 mg/kg. CLP + PA groups received PA by intraperitoneal injection daily for consecutive 3 days, respectively, and the rats in sham and CLP groups were given equivalent volume of olive oil...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28483338/impact-of-meteorological-factors-on-the-emergence-of-bronchiolitis-in-north-western-greece
#18
S Tsabouri, A Gkoutsias, C J Lolis, A Makis, N Chaliasos, A Bartzokas
OBJECTIVE: To evaluate the relationship between meteorological factors in North-western Greece and the incidence of bronchiolitis. METHODS: Meteorological data (air temperature and rainfall) for Ioannina city in North-western Greece and medical data from hospitalised patients at University Hospital of Ioannina were collected between January 2002 and December 2013. The association between meteorological factors and rate of hospitalisation due to bronchiolitis was investigated...
May 5, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28479861/effects-of-dietary-carbohydrate-on-weight-gain-and-gonad-production-in-small-sea-urchins-lytechinus-variegatus
#19
Anna M Taylor, Laura E Heflin, Mickie L Powell, Addison L Lawrence, Stephen A Watts
In experiment 1, juvenile sea urchins (n = 80, 0.088 ± 0.001 g wet weight and 5.72 ± 0.04 mm diameter) were held individually and fed ad libitum one of three semi-purified formulated diets (n = 16 individuals treatment(-1)). In the diets, protein was held constant (310g kg(-1) dry, as fed) and carbohydrate level varied (190, 260, or 380 g kg(-1) dry, as fed). Wet weights were measured every 2 weeks. Total wet weight gain was inversely proportional to dietary carbohydrate level and energy content of the respective diet...
April 2017: Aquaculture Nutrition
https://www.readbyqxmd.com/read/28475979/the-atmosphere-as-a-source-sink-of-polychlorinated-biphenyls-to-from%C3%A2-the-lower-duwamish-waterway-superfund-site
#20
Jennifer N Apell, Philip M Gschwend
Waterbodies polluted with polychlorinated biphenyls (PCBs) may cause the air in the surrounding area to become PCB-contaminated. Conversely, when a waterbody is located in or near an urban area, the deposition of atmospheric PCBs may act as a low-level, ongoing source of PCB contamination to that water. Distinguishing these situations is necessary to be protective of human populations and to guide efforts seeking to cleanup such aquatic ecosystems. To assess the situation at the Lower Duwamish Waterway (LDW) Superfund site, low-density polyethylene passive samplers were deployed in the summer of 2015 to quantify freely dissolved water and gaseous air concentrations of PCBs thereby enabling estimates of the direction and magnitude of air-water exchange of PCB congeners...
May 2, 2017: Environmental Pollution
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