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https://www.readbyqxmd.com/read/28742550/can-concurrent-abnormalities-in-free-light-chains-and-immunoglobulin-concentrations-identify-a-target-population-for-immunoglobulin-trials-in-sepsis
#1
Manu Shankar-Hari, Mervyn Singer, Jo Spencer
OBJECTIVES: Light chains κ and λ are immunoglobulin constituents but also circulate independently in blood as free light chains. We investigated whether a concomitant abnormality in free light chain and immunoglobulin levels could identify a high risk of death sepsis subpopulation to inform future IV immunoglobulin trials. We tested whether light chain allelic inclusion occurs in circulating B cells. DESIGN: Prospective cohort study. SETTING: Adult general ICUs...
July 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28738310/postural-response-to-predictable-and-nonpredictable-visual-flow-in-children-and-adults
#2
Mark A Schmuckler
Children's (3-5years) and adults' postural reactions to different conditions of visual flow information varying in its frequency content was examined using a moving room apparatus. Both groups experienced four conditions of visual input: low-frequency (0.20Hz) visual oscillations, high-frequency (0.60Hz) oscillations, multifrequency nonpredictable visual input, and no imposed visual information. Analyses of the frequency content of anterior-posterior (AP) sway revealed that postural reactions to the single-frequency conditions replicated previous findings; children were responsive to low- and high-frequency oscillations, whereas adults were responsive to low-frequency information...
July 21, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28724658/a-daily-dose-of-5-mg-folic-acid-for-90-days-is-associated-with-increased-serum-unmetabolized-folic-acid-and-reduced-natural-killer-cell-cytotoxicity-in-healthy-brazilian-adults
#3
Clovis Paniz, Juliano Felix Bertinato, Maylla Rodrigues Lucena, Eduardo De Carli, Patrícia Mendonça da Silva Amorim, Guilherme Wataru Gomes, Cecília Zanin Palchetti, Maria Stella Figueiredo, Christine M Pfeiffer, Zia Fazili, Ralph Green, Elvira Maria Guerra-Shinohara
Background: The effects of high-dose folic acid (FA) supplementation in healthy individuals on blood folate concentrations and immune response are unknown.Objective: The aim of the study was to evaluate the effects of daily consumption of a tablet containing 5 mg FA on serum folate; number and cytotoxicity of natural killer (NK) cells; mRNA expression of dihydrofolate reductase (DHFR), methylenetetrahydrofolate reductase (MTHFR), interferon γ (IFNG), tumor necrosis factor α (TNFA), and interleukin 8 (IL8) genes; and concentrations of serum inflammatory markers...
July 19, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28722319/immunophenotypic-aberrancies-in-acute-lymphoblastic-leukemia-from-282-iraqi-patients
#4
S D Jalal, N A S Al-Allawi, A A S Al Doski
INTRODUCTION: The identification of aberrancies in leukemia-associated immunophenotype (LAIP) of acute lymphoblastic leukemia (ALL) is quite important in the assessment of minimal residual disease (MRD). This study, the first from Iraq, aimed to assess the frequency and patterns of LAIP among Iraqi patients with ALL, to establish future strategies for evaluating MRD. METHODS: A total of 282 newly diagnosed Iraqi ALL cases were analyzed with six-parameter flow cytometry using a panel of 29 monoclonal antibodies...
July 18, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28713938/effects-of-age-on-biological-and-functional-characterization-of-adipose%C3%A2-derived-stem-cells-from-patients-with-end%C3%A2-stage-liver-disease
#5
Yanyu Jin, Lei Yang, Yanyan Zhang, Wei Gao, Zhi Yao, Yang Song, Yuliang Wang
Adipose‑derived mesenchymal stromal cells (ADSCs) possess a multilineage potential and immunoregulatory properties, and may have great potential in autologous cell‑based technologies. The aim of the present study was to investigate how the age of patients with benign end‑stage liver disease affected the biological and functional characteristics of ADSCs, which is important for increasing the potential effectiveness of autologous cell therapy. ADSCs were obtained and cultured from three distinct age groups: Infant, adult and elderly...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713641/higher-serum-alanine-transaminase-levels-in-male-urokinase-type-plasminogen-activator-transgenic-mice-are-associated-with-improved-engraftment-of-hepatocytes-but-not-liver-sinusoidal-endothelial-cells
#6
Marina E Fomin, Ashley I Beyer, Jean Publicover, Kai Lu, Sonia Bakkour, Graham Simmons, Marcus O Muench
The effects of sex on the degree of liver damage and human cell engraftment were investigated in immunodeficient urokinase-type plasminogen activator-transgenic (uPA-NOG) mice. Liver damage, measured by serum alanine transaminase (ALT) levels, was compared in male and female uPA-NOG mice of different ages. Male mice had significantly higher ALT levels than females with a median of 334 versus 158 U/L in transgenic homozygous mice, respectively. Mice were transplanted with human adult hepatocytes or fetal liver cells and analyzed for any correlation of engraftment of hepatocytes, liver sinusoidal endothelial cells (LSECs), and hematopoietic cells with the degree of liver damage...
2017: Cell Medicine
https://www.readbyqxmd.com/read/28701227/high-flow-nasal-cannula-oxygen-therapy-is-superior-to-conventional-oxygen-therapy-but-not-to-noninvasive-mechanical-ventilation-on-intubation-rate-a-systematic-review-and-meta-analysis
#7
Huiying Zhao, Huixia Wang, Feng Sun, Shan Lyu, Youzhong An
BACKGROUND: High-flow nasal cannula oxygen (HFNC) is a relatively new therapy used in adults with respiratory failure. Whether it is superior to conventional oxygen therapy (COT) or to noninvasive mechanical ventilation (NIV) remains unclear. The aim of the present study was to investigate whether HFNC was superior to either COT or NIV in adult acute respiratory failure patients. METHODS: A review of the literature was conducted from the electronic databases from inception up to 20 October 2016...
July 12, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28699679/one-session-of-remote-ischemic-preconditioning-does-not-improve-vascular-function-in-acute-normobaric-and-chronic-hypobaric-hypoxia
#8
Mathew G Rieger, Ryan L Hoiland, Joshua C Tremblay, Mike Stembridge, Anthony R Bain, Daniela Flück, Prajan Subedi, James D Anholm, Philip N Ainslie
Application of repeated short duration bouts of ischemia to the limbs, termed remote ischemic preconditioning (RIPC), is a novel technique that may have protective effects on vascular function during hypoxic exposures. In separate parallel-design studies, at sea-level (SL; n = 16), and after 8-12 days at high-altitude (HA; n = 12; White Mountain, 3800 m), participants underwent either a sham protocol or one session of 4 × 5 minutes of dual-thigh cuff occlusion with 5 minutes recovery. Brachial artery flow-mediated dilation (FMD; ultrasound), pulmonary artery systolic pressure (PASP; echocardiography), and internal carotid artery flow (ICA; ultrasound) were measured at SL in normoxia and isocapnic hypoxia [end-tidal PO₂ (PETO₂) maintained to 50 mmHg], and during normal breathing at HA...
July 12, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28698881/assessment-of-haemodynamic-response-to-nonselective-beta-blockers-in-portal-hypertension-by-phase-contrast-magnetic-resonance-angiography
#9
Natasha McDonald, David M L Lilburn, Neil J Lachlan, Gillian Macnaught, Dilip Patel, Arjun N A Jayaswal, Peter C Hayes, Scott I Semple, Jonathan A Fallowfield
A significant unmet need exists for accurate, reproducible, noninvasive diagnostic tools to assess and monitor portal hypertension (PHT). We report the first use of quantitative MRI markers for the haemodynamic assessment of nonselective beta-blockers (NSBB) in PHT. In a randomized parallel feasibility study in 22 adult patients with PHT and a clinical indication for NSBB, we acquired haemodynamic data at baseline and after 4 weeks of NSBB (propranolol or carvedilol) using phase-contrast MR angiography (PC-MRA) in selected intra-abdominal vessels...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28692692/geographic-strain-differentiation-of-schistosoma-japonicum-in-the-philippines-using-microsatellite-markers
#10
Kharleezelle J Moendeg, Jose Ma M Angeles, Ryo Nakao, Lydia R Leonardo, Ian Kendrich C Fontanilla, Yasuyuki Goto, Masashi Kirinoki, Elena A Villacorte, Pilarita T Rivera, Noboru Inoue, Yuichi Chigusa, Shin-Ichiro Kawazu
BACKGROUND: Microsatellites have been found to be useful in determining genetic diversities of various medically-important parasites which can be used as basis for an effective disease management and control program. In Asia and Africa, the identification of different geographical strains of Schistosoma japonicum, S. haematobium and S. mansoni as determined through microsatellites could pave the way for a better understanding of the transmission epidemiology of the parasite. Thus, the present study aims to apply microsatellite markers in analyzing the populations of S...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28692127/diversity-and-genetic-structure-of-the-native-brazil-nut-tree-bertholletia-excelsa-bonpl-population
#11
J C Cabral, A B Baldoni, H Tonini, V C R Azevedo, L D Giustina, A V Tiago, A A B Rossi
The present study was carried out in a native Brazil nut tree population (Bertholletia excelsa Bonpl., Lecythidaceae) to assess its genetic diversity and structure. Ten microsatellite markers were used to genotype 198 adult trees (B. excelsa). The population presented high genetic diversity and inbreeding absence rates. The empirical Bayesian method showed three distinct groups in the structure of this population. Molecular analysis of variance showed 98% variability within groups, and 2% between groups. The genetic divergence (FST) indicated little difference between groups; thus, suggesting efficient gene flow between the analyzed B...
July 6, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28684191/effects-of-oral-sodium-nitrate-on-forearm-blood-flow-oxygenation-and-exercise-performance-during-acute-exposure-to-hypobaric-hypoxia-4300%C3%A2-m
#12
Heath G Gasier, Anthony R Reinhold, Allison R Loiselle, Shawn E Soutiere, David M Fothergill
A reduction in oxygen transport contributes to impaired exercise capacity at high altitude. Since blood flow is mediated, in part, by nitric oxide (NO), we hypothesized that sodium nitrate provided before forearm grip exercise performed at a simulated altitude of 4300 m (hypobaric hypoxia (HH)) would increase forearm blood flow and oxygenation, and decrease the decrement in grip performance. In a double-blind, randomized crossover study, 10 healthy subjects (9 males and 1 female) performed continuous (CGrip) and repeated rhythmic (RGrip) isometric forearm exercise until task failure in normobaric normoxia (NN), 2...
July 3, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28679315/bone-marrow-mesenchymal-stem-cell-derived-cd63-exosomes-transport-wnt3a-exteriorly-and-enhance-dermal-fibroblast-proliferation-migration-and-angiogenesis-in-vitro
#13
Jeffrey D McBride, Luis Menocal-Rodriguez, Ambar Candanedo, Wellington Guzman, Marta Garcia-Contreras, Evangelos Van Badiavas
Wnts are secreted glycoproteins that regulate stem cell self-renewal, differentiation, and cell-to-cell communication during embryonic development and in adult tissues. Bone marrow mesenchymal stem cells (BM-MSCs) have been shown to stimulate dermis repair and regeneration; however, it is unclear how BM-MSCs may modulate downstream Wnt signaling. While recent reports implicate that Wnt ligands and Wnt messenger RNAs (such as Wnt4) exist within the interior compartment of exosomes, it has been debated whether or not Wnts exist on the exterior surface of exosomes to travel in the extracellular space...
July 5, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28678121/predicting-and-preventing-loss-to-follow-up-of-adult-trauma-patients-in-randomized-controlled-trials-an-example-from-the-flow-trial
#14
Kim Madden, Taryn Scott, Paula McKay, Brad A Petrisor, Kyle J Jeray, Stephanie L Tanner, Mohit Bhandari, Sheila Sprague
BACKGROUND: High loss-to-follow-up rates are a risk in even the most rigorously designed randomized controlled trials (RCTs). Consequently, predicting and preventing loss to follow-up are important methodological considerations. We hypothesized that certain baseline characteristics are associated with a greater likelihood of patients being lost to follow-up. Our primary objective was to determine which baseline characteristics are associated with loss to follow-up within 12 months after an open fracture in adult patients participating in the Fluid Lavage of Open Wounds (FLOW) trial...
July 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28665829/a-membrane-lung-design-based-on-circular-blood-flow-paths
#15
U Piyumindri Fernando, Alex J Thompson, Joseph Potkay, Hannah Cheriyan, John Toomasian, Andreas Kaesler, Peter Schlanstein, Jutta Arens, Ronald B Hirschl, Joseph L Bull, Robert H Bartlett
Current hollow fiber membrane lungs feature a predominantly straight blood path length across the fiber bundle, resulting in limited O2 transfer efficiency because of the diffusion boundary layer effect. Using computational fluid dynamics and optical flow visualization methods, a hollow fiber membrane lung was designed comprising unique concentric circular blood flow paths connected by gates. The prototype lung, comprising a fiber surface area of 0.28 m, has a rated flow of 2 L/min, and the oxygenation efficiency is 357 ml/min/m...
June 27, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28665296/comparison-of-feasibility-and-estimates-of-central-and-peripheral-nitric-oxide-parameters-by-different-mathematical-models
#16
Tuomas Karvonen, Hannu Kankaanranta, Seppo Saarelainen, Eeva Moilanen, Lauri Lehtimäki
Assessing central and peripheral nitric oxide (NO) dynamics of the lung provides information on the severity and anatomical site of pulmonary inflammation. Several mathematical methods to calculate alveolar and bronchial NO parameters have been introduced. Our aim was to compare these methods. Methods: The study included 69 healthy adults, 66 healthy children, 73 asbestos-exposed subjects and 72 subjects with chronic obstructive pulmonary disease (COPD). Exhaled NO was measured at multiple flow rates and we used five mathematical methods (Tsoukias & George, Pietropaoli, Condorelli, Högman & Meriläinen, and Silkoff) to estimate alveolar and bronchial NO parameters...
June 30, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28647703/selling-a-gun-to-a-stranger-without-a-background-check-acceptable-behaviour
#17
David Hemenway, Deborah Azrael, Matthew Miller
OBJECTIVE: One way that guns get into the wrong hands is via gun sales without a background check. While the large majority of Americans support laws requiring universal background checks, no prior study has assessed whether Americans think it is acceptable behaviour to sell a gun to a stranger without a background check, whether or not there is a law against it. METHODS: We sponsored a nationally representative survey of over 3900 American adults, oversampling gun owners, using an online panel provided by the survey firm Growth for Knowledge...
June 24, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28641652/-significance-of-monitoring-minimal-residual-disease-by-flow-cytometry-in-acute-leukemia-patients-underwent-nonmyeloablative-allo-hsct
#18
Xiong-Xiong Liu, Tie-Qiang Liu, Mei Guo, Qi-Yun Sun, Jian-Hui Qiao, Kai-Xun Hu, Bing-Xia Li, Bo Yao, Chang-Lin Yu
OBJECTIVE: To explore the value of dynamically monitoring minimal residual disease (MRD) by flow cytometry before and after non-myeloablative allo-HSCT (NST) for prediction of acute leukemia(AL) relapse after transplantation. METHODS: The clinical data of 51 AL patients underwent NST were analyzed retrospectively in Department of Hematology of Affiliated Hospital of Academy of Military Medical Sciences from January 2011 to December 2015. All AL patients achieved the morphologic complete remission of bone marrow before transplantation...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28637170/neuroprotective-effect-of-pressure-oriented-flow-regulation-and-ph-stat-management-in-selective-antegrade-brain-perfusion-during-total-aortic-arch-repair
#19
Hisato Ito, Toru Mizumoto, Yasuhiro Sawada, Kazuya Fujinaga, Hironori Tempaku, Yasunori Yamamoto, Katsuhiro Tsutsui, Hideto Shimpo
OBJECTIVES: The aim of this study was to assess the safety and effectiveness of our selective antegrade brain perfusion (SABP) strategy, which is characterized by moderate hypothermic and low-pressure management under pH-stat using a completely closed cardiopulmonary bypass circuit with a single centrifugal pump. METHODS: Forty-nine consecutive patients (median age, 74) underwent total aortic arch replacement using a 4-branched graft. SABP was conducted with individual cannulation in all arch vessels...
June 20, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28634492/effectiveness-of-different-preventive-programs-in-cariogram-parameters-of-young-adults-at-high-caries-risk
#20
Said Karabekiroğlu, Nimet Ünlü
OBJECTIVE: To evaluate the effectiveness of different preventive programs in young adults at high caries risk using Cariogram software. METHODS: Sixty-six young adults with high caries risk were evaluated. Dental caries risk for all subjects was determined according to WHO criteria. Subjects were divided into three different preventive groups (control: OH, fluoride varnish: FV, and chlorhexidine varnish: CV). They were followed for 12 weeks (baseline: T0, 1 week: T1, 4 weeks: T2, and 12 weeks: T3)...
2017: International Journal of Dentistry
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