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https://www.readbyqxmd.com/read/29783258/-theoretical-grounds-of-a-structural-and-functional-model-for-quality-assurance-of-radiation-diagnostics-under-conditions-of-development-of-the-modern-health-care-system-in-ukraine
#1
Oleg A Korop, Sergiy V Lenskykh
OBJECTIVE: Introduction: Modern changes in the health care system of Ukraine are focused on financial support in providing medical and diagnostic care to the population and are based on deep and consistent structural and functional transformations. They are aimed at providing adequate quality care, which is the main target function and a principal criterion for operation of health care system. The urgency of this problem is increasing in the context of reforming the health care system and global changes in the governmental financial guarantees for the provision of medical services to the population...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783221/hygienic-assessment-of-different-forms-of-physical-education-lessons-organization-in-primary-school
#2
Oleksandra S Kondratiuk, Maria M Korshun, Sergii I Garkavyi, Sergii S Garkavyi, Liudmyla A Stasiuk, Olena V Dema, Olga O Sokolovska
OBJECTIVE: Introduction: Different forms of physical education lessons organization, including swimming classes were introduced in education process without studying of its healthsaving effectiveness. The aim of this study was hygienic assessment of different forms of physical education lessons organization in primary school. PATIENTS AND METHODS: Materials and methods: Cross-sectional study was conducted in two schools with different organization of physical education lessons...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783218/the-role-of-parents-in-motivation-for-orthodontic-treatment-for-children
#3
Anna Ye Karasiunok, Liubov V Smahliuk
OBJECTIVE: Introduction: One of the main features of orthodontic treatment is the cooperation of the doctor with the patient. Active growth of a child's organism at the age from 6 to 12 has not only physiological but also psychological aspects of development. Motivation for orthodontic treatment is absent during mixed dentition. Only taking into account the somato-psychological status and the psycho-emotional condition of the patient during the orthodontic treatment allows to choose an optimal treatment option and to predict its effectiveness...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783191/ganga-water-pollution-a-potential-health-threat-to-inhabitants-of-ganga-basin
#4
REVIEW
Sanjay Dwivedi, Seema Mishra, Rudra Deo Tripathi
BACKGROUND: The water quality of Ganga, the largest river in Indian sub-continent and life line to hundreds of million people, has severely deteriorated. Studies have indicated the presence of high level of carcinogenic elements in Ganga water. OBJECTIVES: We performed extensive review of sources and level of organic, inorganic pollution and microbial contamination in Ganga water to evaluate changes in the level of various pollutants in the recent decade in comparison to the past and potential health risk for the population through consumption of toxicant tainted fishes in Ganga basin...
May 18, 2018: Environment International
https://www.readbyqxmd.com/read/29782940/defining-osteoblast-and-adipocyte-lineages-in-the-bone-marrow
#5
J L Pierce, D L Begun, J J Westendorf, M E McGee-Lawrence
Bone is a complex endocrine organ that facilitates structural support, protection to vital organs, sites for hematopoiesis, and calcium homeostasis. The bone marrow microenvironment is a heterogeneous niche consisting of multipotent musculoskeletal and hematopoietic progenitors and their derivative terminal cell types. Amongst these progenitors, bone marrow mesenchymal stem/stromal cells (BMSCs) may differentiate into osteogenic, adipogenic, myogenic, and chondrogenic lineages to support musculoskeletal development as well as tissue homeostasis, regeneration and repair during adulthood...
May 18, 2018: Bone
https://www.readbyqxmd.com/read/29782897/metal-concentrations-in-fillet-and-gill-of-parrotfish-scarus-ghobban-from-the-persian-gulf-and-implications-for-human-health
#6
Yadolah Fakhri, Narottam Saha, Ali Miri, Aziz Rahimizadeh, Laleh Roomiani, Mansour Ghaderpoori, Mahmoud Taghavi, Hassan Keramati, Zohreh Bahmani, Bigard Moradi, Nazak Amanidaz
Despite the benefits of seafood's consumption, the bioaccumulation of metals in fish can endanger consumers' health. This study analyzed lead (Pb), mercury (Hg), Arsenic (As), and Cadmium (Cd) concentrations in fillet and gill of parrotfish (Scarus ghobban) using flame atomic adsorption spectroscopy (FAAS). The potential non-carcinogenic and carcinogenic health risks due to consumption of Scarus ghobban fillet were assessed by estimating average target hazard quotient (THQ) and total target hazard quotient (TTHQ) and Incremental Lifetime Cancer Risk cancer risk (ILCR) of the analyzed metals...
May 18, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29782653/data-driven-gating-in-pet-influence-of-respiratory-signal-noise-on-motion-resolution
#7
Florian Büther, Iris Ernst, Lynn Johann Frohwein, Joost Pouw, Klaus Peter Schäfers, Lars Stegger
PURPOSE: Data-driven gating (DDG) approaches for positron emission tomography (PET) are interesting alternatives to conventional hardware-based gating methods. In DDG, the measured PET data themselves are utilized to calculate a respiratory signal that is subsequently used for gating purposes. The success of gating is then highly dependent on the statistical quality of the PET data. In this study we investigate how this quality determines signal noise and thus motion resolution in clinical PET scans using a center-of-mass-based (COM) DDG approach, specifically with regard to motion management of target structures in future radiotherapy planning applications...
May 21, 2018: Medical Physics
https://www.readbyqxmd.com/read/29782501/disentangling-the-complexity-of-tropical-small-scale-fisheries-dynamics-using-supervised-self-organizing-maps
#8
Manuel Mendoza-Carranza, Elisabet Ejarque, Leopold A J Nagelkerke
Tropical small-scale fisheries are typical for providing complex multivariate data, due to their diversity in fishing techniques and highly diverse species composition. In this paper we used for the first time a supervised Self-Organizing Map (xyf-SOM), to recognize and understand the internal heterogeneity of a tropical marine small-scale fishery, using as model the fishery fleet of San Pedro port, Tabasco, Mexico. We used multivariate data from commercial logbooks, including the following four factors: fish species (47), gear types (bottom longline, vertical line+shark longline and vertical line), season (cold, warm), and inter-annual variation (2007-2012)...
2018: PloS One
https://www.readbyqxmd.com/read/29782391/impact-of-age-on-the-association-between-24-h-ambulatory-blood-pressure-measurements-and-target-organ-damage
#9
Thomas B Olesen, Manan Pareek, Jacob V Stidsen, Marie K Blicher, Susanne Rasmussen, Julie K K Vishram-Nielsen, Kathrine Kjaer-Hansen, Michael H Olsen
OBJECTIVE: The aim of this study was to evaluate the impact of age on the associations between hemodynamic components derived from 24-h ambulatory blood pressure (24-h ABPM) and target organ damage, in apparently healthy, nonmedicated individuals. METHODS: Twenty-four-hour ABPM and target organ damage (left ventricular mass index, pulse wave velocity, urine albumin : creatinine ratio and carotid atherosclerotic plaques) were evaluated in 1408 individuals. Associations were examined in regression models, stratified for age [middle-aged (41 or 51 years) or elderly (61 or 71 years)], and adjusted for sex, smoking status, and total-cholesterol...
May 17, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29782273/-sympathetic-nervous-system-activation-in-pathogenesis-of-development-of-essential-hypertension-and-its-role-in-target-organs-damage-in-young-and-middle-aged-adults-the-cardioprotective-capabilities-of-bisoprolol
#10
O D Ostroumova, A I Kochetkov, T F Guseva, A A Zykova
The article discusses various mechanisms of developmentt and progression of arterial hypertension in young and middle aged adults. It emphasizes the predominant role of hypersympathicotonia in the development of the disease in this category of patients. Various mechanisms are considered, by means of which the increase of activity of the sympathetic nervous system leads to elevation of arterial pressure and potentiates early damage of target organs, first of all, damage of the heart. The data of numerous studies demonstrating pronounced cardioprotective effects of a highly selective representative of the class of β-blockers bisoprolol in young and middle aged hypertensive patients are presented...
March 2018: Kardiologiia
https://www.readbyqxmd.com/read/29782014/identification-of-cyclin-dependent-kinase-1-specific-phosphorylation-sites-by-an-in-vitro-kinase-assay
#11
Heying Cui, Kyle M Loftus, Crystal R Noell, Sozanne R Solmaz
Cyclin-dependent kinase 1 (Cdk1) is a master controller for the cell cycle in all eukaryotes and phosphorylates an estimated 8 - 13% of the proteome; however, the number of identified targets for Cdk1, particularly in human cells is still low. The identification of Cdk1-specific phosphorylation sites is important, as they provide mechanistic insights into how Cdk1 controls the cell cycle. Cell cycle regulation is critical for faithful chromosome segregation, and defects in this complicated process lead to chromosomal aberrations and cancer...
May 3, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781813/the-notch1-cd44-axis-drives-pathogenesis-in-a-t-cell-acute-lymphoblastic-leukemia-model
#12
Marina García-Peydró, Patricia Fuentes, Marta Mosquera, María J García-León, Juan Alcain, Antonio Rodríguez, Purificación García de Miguel, Pablo Menéndez, Kees Weijer, Hergen Spits, David T Scadden, Carlos Cuesta-Mateos, Cecilia Muñoz-Calleja, Francisco Sánchez-Madrid, María L Toribio
NOTCH1 is a prevalent signaling pathway in T cell acute lymphoblastic leukemia (T-ALL), but crucial NOTCH1 downstream signals and target genes contributing to T-ALL pathogenesis cannot be retrospectively analyzed in patients and thus remain ill defined. This information is clinically relevant, as initiating lesions that lead to cell transformation and leukemia-initiating cell (LIC) activity are promising therapeutic targets against the major hurdle of T-ALL relapse. Here, we describe the generation in vivo of a human T cell leukemia that recapitulates T-ALL in patients, which arises de novo in immunodeficient mice reconstituted with human hematopoietic progenitors ectopically expressing active NOTCH1...
May 21, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29781812/pim-2-protein-kinase-negatively-regulates-t-cell-responses-in-transplantation-and-tumor-immunity
#13
Anusara Daenthanasanmak, Yongxia Wu, Supinya Iamsawat, Hung D Nguyen, David Bastian, MengMeng Zhang, M Hanief Sofi, Shilpak Chatterjee, Elizabeth G Hill, Shikhar Mehrotra, Andrew S Kraft, Xue-Zhong Yu
PIM kinase family members play a crucial role in promoting cell survival and proliferation via phosphorylation of their target substrates. In this study, we investigated the role of the PIM kinases with respect to T cell responses in transplantation and tumor immunity. We found that the PIM-2 isoform negatively regulated T cell responses to alloantigen, in contrast to the PIM-1 and PIM-3 isoforms, which acted as positive regulators. T cells deficient in PIM-2 demonstrated increased T cell differentiation toward Th1 subset, proliferation, and migration to target organs after allogeneic bone marrow transplantation, resulting in dramatically accelerated graft-versus-host disease (GVHD) severity...
May 21, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29781582/sphingosine-1-phosphate-receptor-1-signaling-maintains-endothelial-cell-barrier-function-and-protects-against-immune-complex-induced-vascular-injury
#14
Nathalie Burg, Steven Swendeman, Stefan Worgall, Timothy Hla, Jane E Salmon
OBJECTIVE: Immune complex (IC) deposition activates neutrophils (PMN), increases vascular permeability and leads to organ damage in SLE and RA. The bioactive lipid sphingosine-1-phosphate (S1P), acting via S1P receptor 1 (S1P1 ), is a key regulator of endothelial cell (EC) barrier function. We hypothesized that augmenting EC integrity via S1P1 signaling would attenuate inflammatory injury mediated by ICs. METHODS: In vitro barrier function was assessed in human umbilical vein endothelial cells (HUVECs) by Electric Cell-substrate Impedance Sensing (ECIS)...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29781417/gender-differences-in-the-association-between-marital-status-and-hypertension-in-ghana
#15
Derek Anamaale Tuoyire, Harold Ayetey
SummaryHypertension is a significant contributor to the global burden of cardiovascular and related target organ diseases such as heart failure, coronary heart disease, stroke and kidney failure, and their associated premature morbidity, mortality and disability. Marital status is an important social characteristic known to predict a range of health outcomes including cardiovascular disease. However, little is known about its impact on hypertension in sub-Saharan Africa. This study explored the relationship between marital status and hypertension among women and men in Ghana...
May 21, 2018: Journal of Biosocial Science
https://www.readbyqxmd.com/read/29781332/a-novel-phenolic-propanediamine-moiety-based-lung-targeting-therapy-for-asthma
#16
Jianbo Li, Yang Yang, Didi Wan, Youmei Peng, Jinjie Zhang
Asthma is one of the most prevalent chronic inflammatory diseases of lung. Current asthma therapy using inhaled corticosteroid often results in undesired treatment outcome due to poor compliance and drugs' lack of tissue specificity. N,N,N'-trimethyl-N'-(2-hydroxyl-3-methyl-5-123 Iiodobenzyl)-1,3-propanediamine (HIPD), a phenolic propanediamine derivative, has been used as an imaging agent for localized pulmonary diseases. Inspired by this, N,N,N'-trimethyl-N'-(4-hydroxyl-benzyl)-1,3-propanediamine (TPD), a new HIPD analog, was proposed as a lung-targeting ligand and covalently conjugated to an anti-inflammatory compound Rhein for asthma therapy...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29781240/predominant-nonproductive-substrate-binding-by-fungal-cellobiohydrolase-i-and-implications-for-activity-improvement
#17
Mikhail L Rabinovich, Maria S Melnik, Mikhail L Herner, Yakov V Voznyi, Lilia G Vasilchenko
Enzymatic conversion of the most abundant renewable source of organic compounds, cellulose to fermentable sugars is attractive for production of green fuels and chemicals. The major component of industrial enzyme systems, cellobiohydrolase I from Hypocrea jecorina (Trichoderma reesei) (HjCel7A) processively splits disaccharide units from the reducing ends of tightly packed cellulose chains. HjCel7A consists of a catalytic domain (CD) and a carbohydrate-binding module (CBM) separated by a linker peptide. A tunnel-shaped substrate-binding site in the CD includes 9 subsites for β-D-glucose units, 7 of which (-7 to -1) precede the catalytic center...
May 21, 2018: Biotechnology Journal
https://www.readbyqxmd.com/read/29781206/electromembrane-extraction-and-capillary-electrophoresis-with-capacitively-coupled-contactless-conductivity-detection-multi-extraction-capabilities-to-analyse-trace-metals-from-saline-samples
#18
Macarena Silva, Carolina Mendiguchía, Carlos Moreno, Pavel Kubáň
Simultaneous electromembrane extraction (EME) of six trace metal cations (Cu2+ , Zn2+ , Co2+ , Ni2+ , Pb2+ , Cd2+ ) from saline samples was investigated. Capillary electrophoresis (CE) with capacitively coupled contactless conductivity detection (C4 D) was used to determine the metals in acceptor solutions due to its excellent compatibility with the minute volumes of acceptor solutions. Bis(2-ethylhexyl)phosphate (DEHPA) was selected as a suitable non-selective modifier for EME transport of target metal cations...
May 21, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29781138/comparison-of-the-progressive-resolution-optimizer-and-photon-optimizer-in-vmat-optimization-for-stereotactic-treatments
#19
Han Liu, Benjamin Sintay, Keith Pearman, Qingyang Shang, Lane Hayes, Jacqueline Maurer, Caroline Vanderstraeten, David Wiant
The photon optimization (PO) algorithm was recently released by Varian Medical Systems to improve volumetric modulated arc therapy (VMAT) optimization within Eclipse (Version 13.5). The purpose of this study is to compare the PO algorithm with its predecessor, progressive resolution optimizer (PRO) for lung SBRT and brain SRS treatments. A total of 30 patients were selected retrospectively. Previously, all the plans were generated with the PRO algorithm within Eclipse Version 13.6. In the new version of PO algorithm (Version 15), dynamic conformal arcs (DCA) were first conformed to the target, then VMAT inverse planning was performed to achieve the desired dose distributions...
May 20, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29780285/collaborative-youth-mental-health-service-users-immigration-poverty-and-family-environment
#20
Lucie Nadeau, Vanessa Lecompte, Janique Johnson-Lafleur, Annie Pontbriand, Cécile Rousseau
Background: This article examines the association between immigration, poverty and family environment, and the emotional and behavioral problems reported by youth and their family receiving mental health (MH) services within a collaborative care model in a multiethnic neighborhood. Method: Participants in this study were 140 parent-child dyads that are part of an ongoing longitudinal project looking at the association between individual, familial, social and organizational factors, and outcomes of youth receiving MH services in local health and social service organizations in the Montreal area...
May 2018: Child and Adolescent Mental Health
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