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https://www.readbyqxmd.com/read/29677672/the-occurrence-and-distribution-of-hexabromocyclododecanes-in-freshwater-systems-focusing-on-tissue-specific-bioaccumulation-in-crucian-carp
#1
Wenting Wang, Gyojin Choo, Hyeon-Seo Cho, Kyunghwa Park, Yu-Jin Shin, Jeong-Eun Oh
The occurrence and distribution of hexabromocyclododecanes (HBCDs) were investigated in freshwater, sediment, and selected crucian carp (Carassius carassius) tissues (muscle, liver, egg, and blood) to evaluate the potential for HBCDs bioaccumulation. The HBCDs concentration ranged from not detected to 0.35ng/L in freshwater, and from 0.037 to 35.4ng/g-dw in sediment. The highest HBCDs concentration was detected in crucian carp liver (5.14±8.15ng/g-ww), followed by egg (3.88±10.1ng/g-ww), blood (0.61±0.63ng/mL), and muscle (0...
April 17, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29677649/understanding-the-factors-affecting-the-adsorption-of-lanthanum-using-different-adsorbents-a-critical-review
#2
REVIEW
Sidra Iftekhar, Deepika Lakshmi Ramasamy, Varsha Srivastava, Muhammad Bilal Asif, Mika Sillanpää
Over the past few decades, removal and recovery of Lanthanum (La) have received great attention due to its significance in different industrial processes. In this review, the application of various adsorbents viz. biosorbents, commercial and hybrid materials, nanoparticles, nanocomposites etc. have been summarized in terms of the removal and recovery of La. The influence of various operating parameters including pH, dosage, contact time, temperature, coexisting ions, adsorption kinetics, isotherm and thermodynamics were investigated...
April 12, 2018: Chemosphere
https://www.readbyqxmd.com/read/29677629/effects-of-gastric-bypass-surgery-followed-by-supervised-physical-training-on-inflammation-and-endothelial-function-a-randomized-controlled-trial
#3
Charlotte Røn Stolberg, Lene Hymøller Mundbjerg, Peter Funch-Jensen, Bibi Gram, Else-Marie Bladbjerg, Claus Bogh Juhl
BACKGROUND AND AIMS: Obesity and physical inactivity are both associated with low-grade inflammation and endothelial dysfunction. Bariatric surgery improves markers of inflammation and endothelial function, but it is unknown if physical training after bariatric surgery can improve these markers even further. Therefore, we aimed to investigate the effects of Roux-en-Y gastric bypass (RYGB) followed by physical training on markers of low-grade inflammation and endothelial function. METHODS: Sixty patients approved for RYGB underwent examinations pre-surgery, 6, 12, and 24 months post-surgery...
April 6, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29677628/circulating-metabolomic-profile-can-predict-dyslipidemia-in-hiv-patients-undergoing-antiretroviral-therapy
#4
Esther Rodríguez-Gallego, Josep Gómez, Pere Domingo, Sara Ferrando-Martínez, Joaquim Peraire, Consuelo Viladés, Sergi Veloso, Miguel López-Dupla, Raúl Beltrán-Debón, Verónica Alba, Montserrat Vargas, Alfonso J Castellano, Manuel Leal, Yolanda María Pacheco, Ezequiel Ruiz-Mateos, Félix Gutiérrez, Francesc Vidal, Anna Rull
BACKGROUND AND AIMS: Dyslipidemia in HIV-infected patients is unique and pathophysiologically associated with host factors, HIV itself and the use of antiretroviral therapy (ART). The use of nuclear magnetic resonance spectroscopy (NMR) provides additional data to conventional lipid measurements concerning the number of lipoprotein subclasses and particle sizes. METHODS: To investigate the ability of lipoprotein profile, we used a circulating metabolomic approach in a cohort of 103 ART-naive HIV-infected patients, who were initiating non-nucleoside analogue transcriptase inhibitor (NNRTI)-based ART, and we subsequently followed up these patients for 36 months...
April 9, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29677586/impact-of-sarcopenic-obesity-on-30-day-mortality-in-critically-ill-patients-with-intra-abdominal-sepsis
#5
Yun Ji, Baoli Cheng, Zhipeng Xu, Hui Ye, Weina Lu, Xiaoqian Luo, Shuiqiao Fu, Xiangming Fang
PURPOSE: This study aimed to investigate the association between sarcopenic obesity and 30-day mortality in critically ill patients with intra-abdominal sepsis. MATERIAL AND METHODS: We analyzed 236 surgical ICU patients with sepsis due to intra-abdominal infection who underwent urgent surgical intervention. Sarcopenia, visceral obesity and sarcopenic obesity were analyzed by computed tomography scans using the third lumbar vertebrae skeletal muscle index and visceral adipose tissue area, using previously reported cutoff values...
March 16, 2018: Journal of Critical Care
https://www.readbyqxmd.com/read/29677571/body-dissatisfaction-and-suicidal-ideation-among-psychiatric-inpatients-with-eating-disorders
#6
Katrina A Rufino, Humsini Viswanath, Rebecca Wagner, Michelle A Patriquin
The current study the relationship between eating disorders (EDs) and suicidal ideation and suicide attempt in adult inpatients. In particular, the present study investigated one potential mechanism, body dissatisfaction (BD), which may contribute to increased risk for suicide in adult ED patients. A sample of 432 psychiatric inpatients ranging from 18 to 65 years of age participated in the current study. Findings indicated that patients who have higher levels of BD also had higher levels of passive and active suicidal ideation and previous suicide attempts...
April 6, 2018: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29677546/bacitracin-promotes-osteogenic-differentiation-of-human-bone-marrow-mesenchymal-stem-cells-by-stimulating-the-bone-morphogenetic-protein-2-smad-axis
#7
Hui Li, Bin'en Nie, Zhe Du, Shutao Zhang, Teng Long, Bing Yue
Bacitracin, a widely used metallopeptide antibiotic, has been reported to be locally used in treating wounds without systemic adverse reactions. Our preliminary study showed that bacitracin might enhance the osteogenic differentiation of human bone marrow mesenchymal stem cells (HBMSCs). The present study investigated whether bacitracin affects the osteogenic differentiation of HBMSCs and the molecular mechanisms involved. The proliferation of HBMSCs in the presence of bacitracin was examined using a cell counting kit-8 (CCK-8) assay...
April 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29677483/design-synthesis-and-biological-evaluation-of-pyrimidine-based-derivatives-as-vegfr-2-tyrosine-kinase-inhibitors
#8
Wuji Sun, Shengquan Hu, Shubiao Fang, Hong Yan
Vascular endothelial growth factor receptor-2 (VEGFR-2) plays a crucial role in tumor angiogenesis, and inhibition of the VEGFR-2 signaling pathway has already become an attractive approach for cancer therapy. In this study, a novel pyrimidine-based derivative 7j was designed as lead compound, and three series of potent VEGFR-2 inhibitors were synthesized and biologically evaluated against A549 and HepG2 cell lines. Compounds 7d, 9s and 13n exhibited superior inhibitory activities against A549 cell with IC50 ranged from 9...
April 13, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29677454/combined-but-not-the-single-administration-of-vitamin-c-and-l-carnitine-ameliorates-cisplatin-induced-gastric-mucosa-damage-in-male-rats
#9
Modinat Adebukola Adefisayo, Wale Johnson Adeyemi, Quadri Kunle Alabi
Although cisplatin is a potent anticancer drug, it instigates oxidative and pro-inflammatory reactions which poses significant and distressing clinical symptoms in patients including nausea and vomiting which is related to damage of the gastric mucosa. This study investigated the effects of vitamin C and/or L-carnitine on cisplatin-induced gastric mucosa damage in rat. The rats were allocated into groups (n=5): a control group received distilled water and treatment groups received cisplatin (CIP) alone, cisplatin followed by vitamin C, L-carnitine or their combination...
April 20, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29677398/does-stress-increase-risk-of-breast-cancer-a-15-year-prospective-study
#10
Phyllis Butow, Melanie Price, Joseph Coll, Katherine Tucker, Bettina Meiser, Roger Milne, Judith Wilson, Louise Heiniger, Brandi Baylock, Tracey Bullen, Prue Weideman, Kelly-Anne Phillips
OBJECTIVE: The possible impact of stress on cancer incidence remains controversial. We prospectively evaluated associations between life event stressors, social support, personality characteristics (optimism, anger control, anti-emotionality) and risk of developing primary breast cancer (BCa), in women at increased familial risk of BCa. METHODS: A prospective cohort, repeated measures design was employed. Recruitment was through the Kathleen Cuningham Foundation Consortium for Research into Familial breast cancer (kConFab), which collects genetic, epidemiological and clinical data from Australasian families with multiple BCa cases...
April 20, 2018: Psycho-oncology
https://www.readbyqxmd.com/read/29677384/risk-factors-and-long-term-outcomes-of-pediatric-liver-transplant-recipients-with-chronic-high-epstein-barr-virus-loads
#11
Hideya Kamei, Yoshinori Ito, Junichi Kawada, Satoshi Ogiso, Yasuharu Onishi, Masahiko Komagome, Nobuhiko Kurata, Yasuhiro Ogura
BACKGROUND: Serial monitoring of Epstein-Barr virus (EBV) reveals that certain pediatric liver transplant (LT) recipients exhibit high EBV loads for long periods. We investigated the incidence and risk factors of chronic high EBV (CHEBV) loads (continuous EBV DNA >10000 IU/mL of whole blood for ≥6 months) and long-term outcomes. METHODS: This single center, retrospective observational study investigated pediatric LT recipients who survived ≥6 months. We quantitated EBV DNA weekly during hospitalization and subsequently every 4 or 6 weeks at the outpatient clinic...
April 20, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29677368/in-vivo-characterization-of-spontaneous-retinal-neovascularization-in-the-mouse-eye-by-multifunctional-optical-coherence-tomography
#12
Marco Augustin, Matthias Wechdorn, Ulrike Pfeiffenberger, Tanja Himmel, Stanislava Fialová, René M Werkmeister, Christoph K Hitzenberger, Martin Glösmann, Bernhard Baumann
Purpose: To investigate the early development of spontaneous retinal neovascularization in the murine retina by a multifunctional optical coherence tomography approach. To characterize involved tissue changes in vivo and describe structural and functional changes over time. Methods: A multifunctional optical coherence tomography (OCT) system providing 3-fold contrast comprising reflectivity, polarization sensitivity, and OCT angiography (OCTA) was utilized to image very-low-density lipoprotein receptor (VLDLR) knockout mice...
April 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29677365/age-related-changes-to-human-tear-composition
#13
Alessandra Micera, Antonio Di Zazzo, Graziana Esposito, Rosa Longo, William Foulsham, Roberto Sacco, Roberto Sgrulletta, Stefano Bonini
Purpose: We characterize age-associated alterations in the expression of inflammatory mediators and tissue remodeling factors in human tears. Methods: A total of 75 consecutive volunteers (32 male/44 female; 19-93 years) underwent clinical assessment of ocular surface status, ocular surface disease index (OSDI) grading and tear sampling. The volunteers were categorized into three groups: young (18-40 years), middle-aged (41-60 years), and old (>60 years). Total protein profiles and chip-based protein array evaluations were conducted to investigate the expression of 60 potential candidates, including pro-/anti-inflammatory mediators and tissue remodeling factors...
April 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29677364/long-anterior-lens-zonules-and-intraocular-pressure
#14
Daniel K Roberts, Tricia L Newman, Mary Flynn Roberts, Bruce A Teitelbaum, Janis E Winters
Purpose: To investigate the relation between intraocular pressure (IOP) and the idiopathic long anterior zonule (LAZ) trait. Methods: Patients presenting for primary eye care were examined for LAZ, identified as radially oriented zonular fibers with central extension >1.0 mm beyond the normal anterior lens insertion zone (estimated via slit lamp beam length). Ocular, systemic health, and lifestyle data were collected via comprehensive exam and questionnaire. Multivariate regression was used to assess the relationship between IOP (Goldmann) and LAZ...
April 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29677335/the-eye-tracks-the-aesthetic-appeal-of-sentences
#15
Hideyuki Hoshi, Winfried Menninghaus
Eye-tracking parameters (fixation and pupillary responses) have been shown to be modulated by the aesthetic perception and evaluation of visual and auditory artworks (e.g., paintings, music). The present study investigated whether similar effects can be found in visual text processing. Participants read four groups of short sentences in which a key predictor of aesthetic liking, i.e., familiarity, was systematically modified to four degrees. Across all four groups, the sentences moreover varied with regard to featuring or not featuring meter...
March 1, 2018: Journal of Vision
https://www.readbyqxmd.com/read/29677281/biomechanical-effects-on-cervical-spinal-cord-and-nerve-root-following-laminoplasty-for-ossification-of-the-posterior-longitudinal-ligament-in-the-cervical-spine-a-comparison-between-open-door-and-double-door-laminoplasty-using-finite-element-analysis
#16
Batbayar Khuyagbaatar, Kyungsoo Kim, Tserenchimed Purevsuren, Sang-Hun Lee, Yoon Hyuk Kim
Many clinical case series have reported the predisposing factors for C5 palsy and have presented comparisons of the two types of laminoplasty. However, there have been no biomechanical studies focusing on cervical spinal cord and nerve root following laminoplasty. The purpose of this study is to investigate biomechanical changes in the spinal cord and nerve roots following the two most common types of laminoplasty, open-door and double-door laminoplasty, for cervical ossification of the posterior longitudinal ligament (OPLL)...
July 1, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29677212/pulsatile-operation-of-a-continuous-flow-right-ventricular-assist-device-rvad-to-improve-vascular-pulsatility
#17
Boon C Ng, Matthias Kleinheyer, Peter A Smith, Daniel Timms, William E Cohn, Einly Lim
Despite the widespread acceptance of rotary blood pump (RBP) in clinical use over the past decades, the diminished flow pulsatility generated by a fixed speed RBP has been regarded as a potential factor that may lead to adverse events such as vasculature stiffening and hemorrhagic strokes. In this study, we investigate the feasibility of generating physiological pulse pressure in the pulmonary circulation by modulating the speed of a right ventricular assist device (RVAD) in a mock circulation loop. A rectangular pulse profile with predetermined pulse width has been implemented as the pump speed pattern with two different phase shifts (0% and 50%) with respect to the ventricular contraction...
2018: PloS One
https://www.readbyqxmd.com/read/29677195/contrasting-response-of-coexisting-plant-s-water-use-patterns-to-experimental-precipitation-manipulation-in-an-alpine-grassland-community-of-qinghai-lake-watershed-china
#18
Huawu Wu, Jing Li, Xiao-Yan Li, Bin He, Jinzhao Liu, Zhiyun Jiang, Cicheng Zhang
Understanding species-specific changes in water-use patterns under recent climate scenarios is necessary to predict accurately the responses of seasonally dry ecosystems to future climate. In this study, we conducted a precipitation manipulation experiment to investigate the changes in water-use patterns of two coexisting species (Achnatherum splendens and Allium tanguticum) to alterations in soil water content (SWC) resulting from increased and decreased rainfall treatments. The results showed that the leaf water potential (Ψ) of A...
2018: PloS One
https://www.readbyqxmd.com/read/29677192/the-dyad-adaptive-paced-auditory-serial-addition-test-da-pasat-normative-data-and-the-effects-of-repeated-testing-simulated-malingering-and-traumatic-brain-injury
#19
David L Woods, John M Wyma, Timothy J Herron, E William Yund, Bruce Reed
The Paced Auditory Serial Addition Test (PASAT) is widely used to evaluate processing speed and executive function in patients with multiple sclerosis, traumatic brain injury, and other neurological disorders. In the PASAT, subjects listen to sequences of digits while continuously reporting the sum of the last two digits presented. Four different stimulus onset asynchronies (SOAs) are usually tested, with difficulty increasing as SOAs are reduced. Ceiling effects are common at long SOAs, while the digit delivery rate often exceeds the subject's processing capacity at short SOAs, causing some subjects to stop performing altogether...
2018: PloS One
https://www.readbyqxmd.com/read/29677154/prevalence-of-general-and-central-obesity-and-associated-factors-among-north-korean-refugees-in-south-korea-by-duration-after-defection-from-north-korea-a-cross-sectional-study
#20
Yoon Jung Kim, Sin Gon Kim, Yo Han Lee
Previous studies on obesity status among North Korean refugees (NKRs) have been limited. We investigated mean body mass index (BMI), waist circumference (WC), and general and central obesity prevalence among NKRs in South Korea (SK) by duration after defection from North Korea (NK), using cross-sectional data of the North Korean Refugee Health in South Korea (NORNS) study and compared these data with a sample from the general South Korean population (the fifth Korea National Health and Nutrition Examination Survey)...
April 20, 2018: International Journal of Environmental Research and Public Health
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