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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/29783186/-1-h-nmr-and-uplc-ms-metabolomics-functional-tools-for-exploring-chemotypic-variation-in-sceletium-tortuosum-from-two-provinces-in-south-africa
#5
Jianping Zhao, Ikhlas A Khan, Sandra Combrinck, Maxleene Sandasi, Weiyang Chen, Alvaro M Viljoen
Sceletium tortuosum (Aizoaceae) is widely recognised for the treatment of stress, anxiety and depression, as well as for obsessive compulsive disorders. A comprehensive intraspecies chemotypic variation study, using samples harvested from two distinct regions of South Africa, was done using both proton nuclear magnetic resonance (1 H-NMR) spectroscopy of methanol extracts (N = 145) and ultra performance liquid chromatography-mass spectrometry (UPLC-MS) of acid/base extracts (N = 289). Chemometric analysis of the 1 H-NMR data indicated two main clusters that were region-specific (Northern Cape and Western Cape provinces)...
May 17, 2018: Phytochemistry
https://www.readbyqxmd.com/read/29783183/identification-of-novel-phosphatidic-acid-binding-domain-on-sphingosine-kinase-1-of-arabidopsis-thaliana
#6
Shatakshi Pandit, Vikram Dalal, Girish Mishra
Phosphatidic acid (PA) is an important lipid signaling molecule which interacts with Arabidopsis thaliana Sphingosine kinase1 (AtSPHK1) during several abiotic stresses particularly drought stress as a result of Abscisic acid (ABA) signaling in guard cells. PA molecules respond by generating lipid signal and/or by binding and translocating target proteins to membrane. However, site of interaction and role of PA binding to AtSPHK1 is not clear yet. Owing to the importance of AtSPHK1 during stress signaling it is imperative to decipher the site of PA interaction with AtSPHK1...
May 8, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29783175/hiv-viral-suppression-in-oman-encouraging-progress-toward-achieving-the-united-nations-third-90
#7
Ali Elgalib, Samir Shah, Zeyana Al-Habsi, Maha Al-Fouri, Halima Al-Sawafi, Jalila Al-Noumani, Adil Al-Baloushi, Saad Al-Alawi, Salma Al-Badi, Zainab Mohammed, Jokha Al-Ghafri, Asma Suleimani, Huda Al-Mashani, Jyothish Raju, Saada Al-Riyami, Muna Al-Shukri, Abdul Wahab, Bilal Hussain, Khalifa Al-Naabi, Anantha Narayan, Noreen Oliveros, George Prasad, Ahmed Hussein, Rajeev Kashyp, Khalid Al-Shardi, Ahmed Nada, Shakil Akhwand, Bina Kamble, Kawthar Al-Aamri, Suad Al-Mukhaini, Hanan Al-Kindi, Faryal Khamis, Amal Al-Maani, Idris Al-Abaidani, Seif Al-Abri
OBJECTIVE: To assess the impact of capacity-building interventions introduced by the Oman National AIDS Programme on the quality of HIV care in the country. METHODS: HIV viral load (VL) suppression and loss to follow-up (LTFU) rates were calculated for the period before (in December 2015; n=1098) and after (in June 2017; n=1185) the introduction of the interventions: training, support, and care pathway development. Three HIV VL cuts-offs at last measurement in the year of interest were used to define VL suppression...
May 18, 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29783158/pirfenidone-ameliorates-lipopolysaccharide-induced-pulmonary-inflammation-and-fibrosis-by-blocking-nlrp3-inflammasome-activation
#8
Yi Li, Haitao Li, Shuai Liu, Pinhua Pan, Xiaoli Su, Hongyi Tan, Dongdong Wu, Lemeng Zhang, Chao Song, Minhui Dai, Qian Li, Zhi Mao, Yuan Long, Yongbin Hu, Chengping Hu
Acute respiratory distress syndrome(ARDS)is a severe clinical disorder characterized by its acute onset, diffuse alveolar damage, intractable hypoxemia, and non-cardiogenic pulmonary edema. Acute lung injury(ALI) can trigger persistent lung inflammation and fibrosis through activation of the NLRP3 inflammasome and subsequent secretion of mature IL-1β, suggesting that the NLRP3 inflammasome is a potential therapeutic target for ALI, for which new therapeutic approaches are needed. Our present study aims to assess whether pirfenidone,with anti-fibrotic and anti-inflammatory properties, can improve LPS-induced inflammation and fibrosis by inhibiting NLRP3 inflammasome activation...
May 18, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29783145/electrochemical-biosensor-system-using-a-cmos-microelectrode-array-provides-high-spatially-and-temporally-resolved-images
#9
William Tedjo, Jasmine E Nejad, Rachel Feeny, Lang Yang, Charles S Henry, Stuart Tobet, Tom Chen
The ability to view biological events in real time has contributed significantly to research in the life sciences. While video capture of real time changes in anatomical relationships is important, it is equally important to visualize real time changes in the chemical communications that drive cell behaviors. This paper describes an electrochemical imaging system capable of capturing changes in chemical gradients in live tissue slices. The system consists of a CMOS microchip with 8192 configurable Pt surface electrodes, on-chip potentiostat, on-chip control logic, and a microfluidic device designed to interface with the CMOS chip to support ex vivo tissue experimentation...
April 10, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29783136/occurrence-and-estrogenic-activity-of-steroid-hormones-in-chinese-streams-a-nationwide-study-based-on-a-combination-of-chemical-and-biological-tools
#10
Bo Yao, Rui Li, Shuwen Yan, Shen-An Chan, Weihua Song
Steroid hormones (SHs) are continuously released into the aquatic environment through various pathways after being excreted by humans and animals, interfere with the normal function of the endocrine system and may affect the physiology and reproduction of exposed aquatic life. To conduct a nationwide investigation of the occurrence and biological effects of SHs in surface river/steam water in China, we quantitated 27 selected SHs in 217 surface water samples by solid-phase extraction (SPE) tandem LC-MS/MS and used a recombinant yeast estrogen assay to screen extracts of the water samples for estrogenic activities...
May 18, 2018: Environment International
https://www.readbyqxmd.com/read/29783127/free-acetic-acid-as-the-key-factor-for-the-inhibition-of-hydrogenotrophic-methanogenesis-in-mesophilic-mixed-culture-fermentation
#11
Wei Zhang, Kun Dai, Xiu-Yang Xia, Hua-Jie Wang, Yun Chen, Yong-Ze Lu, Fang Zhang, Raymond Jianxiong Zeng
The inhibition of acetate under acidic pH is an ideal way to reduce methanogenesis in mesophilic mixed culture fermentation (MCF). However, the effects of acetate concentration and acidic pH on methanogenesis remain unclear. Besides, although hydrogenotrophic methanogens can be suitable targets in MCF, they are generally ignored. Therefore, we intentionally enriched hydrogenotrophic methanogens and found that free acetic acid (FAA, x) concentration and specific methanogenic activity (SMA, y) were correlated according to the equation: y = 0...
May 18, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29783118/placenta-derived-mesenchymal-stromal-cells-and-their-exosomes-exert-therapeutic-effects-in-duchenne-muscular-dystrophy
#12
Ariel Bier, Peter Berenstein, Noam Kronfeld, Daria Morgoulis, Amotz Ziv-Av, Hodaya Goldstein, Gila Kazimirsky, Simona Cazacu, Rinat Meir, Rachela Popovtzer, Amir Dori, Chaya Brodie
Duchenne muscular dystrophy (DMD) is a degenerative lethal, X-linked disease of skeletal and cardiac muscles caused by mutations in the dystrophin gene. Cell therapy using different cell types, including mesenchymal stromal cells (MSCs), has been considered as a potential approach for the treatment of DMD. MSCs can be obtained from autologous sources such as bone marrow and adipose tissues or from allogeneic placenta and umbilical cord. The safety and therapeutic impact of these cells has been demonstrated in pre-clinical and clinical studies and their functions are attributed to paracrine effects that are mediated by secreted cytokines and extracellular vesicles...
May 3, 2018: Biomaterials
https://www.readbyqxmd.com/read/29783089/self-stabilized-silk-sericin-based-nanoparticles-in-vivo-biocompatibility-and-reduced-doxorubicin-induced-toxicity
#13
Doudou Hu, Ting Li, Zongpu Xu, Di Liu, Mingying Yang, Liangjun Zhu
A variety of colloid stabilizers and cryoprotectants confer improved nanoparticle (NP) colloidal stability and redisperability. However, the discounted tumor targetability, delivery efficacy and possible side effects limit the application in the vascular delivery of NPs. Here we present the water-soluble silk sericin (SS) not only as a material for the preparation of NPs, but also both a dispersion stabilizer and a cryoprotectant. In the absence of any stabilizers, SS-based NPs (SSC@NPs) could resist to the serum protein adsorption, preventing the formation of particle agglomerates...
May 18, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29783082/multiplexed-aptasensor-based-on-metal-ions-labels-for-simultaneous-detection-of-multiple-antibiotic-residues-in-milk
#14
Falan Li, Yemin Guo, Xiangyou Wang, Xia Sun
A dual-target electrochemical aptasensor was developed for the simultaneous detection of multiple antibiotics based on metal ions as signal tracers and nanocomposites as signal amplification strategy. Metal ions such as Cd2+ and Pb2+ could generate distinct differential pulse voltammetry (DPV) peaks. When targets were present, kanamycin (KAN) and streptomycin (STR) as models, the KAN aptamer (KAP) and STR aptamer (STP) were released from their complementary strands, with more change of Cd2+ and Pb2+ corresponding to peak currents...
April 13, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29783075/mir-19a-negatively-regulated-the-expression-of-pten-and-promoted-the-growth-of-ovarian-cancer-cells
#15
Yuhong Wang, Shuzhen Zhao, Lihong Zhu, Quanle Zhang, Yanfang Ren
Ovarian cancer is the most lethal malignancy of the women genital tract. Exploring novel factors involved in the development of ovarian cancer and characterizing the molecular mechanisms by which regulate the tumorigenesis of ovarian cancer are quite necessary. Here, we found that miR-19a was highly expressed in ovarian cancer tissues and cell lines. Overexpression of miR-19a promoted the viability of ovarian cancer cells, while down-regulation of miR-19a inhibited the growth of ovarian cancer cells. To further understand the underlying molecular mechanism of miR-19a in regulating ovarian cancer cell growth, the downstream targets of miR-19a were predicted...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29783070/cdh17-alters-mmp-2-expression-via-canonical-nf-%C3%AE%C2%BAb-signalling-in-human-gastric-cancer
#16
Xiao-Jie Jiang, Jing Lin, Qing-He Cai, Jian-Feng Zhao, Hui-Jiao Zhang
Gastric cancer (GC), one of the most common cancers of the digestive system, results in high morbidity and mortality, but the molecular mechanisms underlying GC remain largely unknown. Cadherin-17 (CDH17) is a nonclassical member of the cadherin (CDH) superfamily of calcium-dependent proteins. Despite recent advances in the understanding of CDH17 biology, the mechanism of CDH17 in GC proliferation, migration, and invasion has not been extensively studied. In the present study, we observed that CDH17 expression was increased in GC tissues compared with para-carcinoma tissues and was correlated with lymph node metastasis and the AJCC stage...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29783059/disruption-of-medial-septum-and-diagonal-bands-of-broca-cholinergic-projections-to-the-ventral-hippocampus-disrupt-auditory-fear-memory
#17
Jennifer M Staib, Rebecca Della Valle, Dayan K Knox
In classical fear conditioning, a neutral conditioned stimulus (CS) is paired with an aversive unconditioned stimulus (US), which leads to a fear memory. If the CS is repeatedly presented without the US after fear conditioning, the formation of an extinction memory occurs, which inhibits fear memory expression. A previous study has demonstrated that selective cholinergic lesions in the medial septum and vertical limb of the diagonal bands of Broca (MS/vDBB) prior to fear and extinction learning disrupt contextual fear memory discrimination and acquisition of extinction memory...
May 18, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29783049/thermopuncture-for-the-diagnosis-monitoring-and-treatment-of-patients-with-type-2-diabetes
#18
Valery Muzhikov, Elena Vershinina, Ruslan Muzhikov, Kirill Nikitin
BACKGROUND: Type 2 diabetes (T2D) is a socially significant disease that affects millions of patients. There were an estimated 366 million people with this disease in 2011, and, according to the forecast, approximately 552 million will be affected by this disease in 2030. It is well known that the primary diagnosis and treatment of a patient with this disease are quite expensive. What should be done to make it possible for a patient to monitor his own state and provide treatment in his own home using telemedicine? To solve this problem, an alternative concept for the diagnosis, monitoring, and treatment at the basis of traditional Chinese medicine (TCM) combined with mathematical methods of data processing has been used...
May 18, 2018: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/29783016/systematic-investigation-of-the-erigeron-breviscapus-mechanism-for-treating-cerebrovascular-disease
#19
Jiangmei Wang, Yangyang Chen, Baoshi Liu, Qian Wang, Lulu Zhang, Zhenzhong Wang, Jun Zhou, Wei Xiao, Chunli Zheng, Yonghua Wang
ETHNOPHARMACOLOGICAL RELEVANCE: Cerebrovascular diseases (CBVDs), characterized by striking morbidity and mortality, have become the most common life-threatening diseases. The existing drugs of CBVDs target one or a few of pathogenic factors, the efficacy of which is limited because of the complexity of CBVDs. Traditional Chinese medicine (TCM), featured by multi-component and multi-target endows the great effectiveness in CBVDs treatment. For instance, Erigeron breviscapus (vant.) Hand...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29783006/technique-of-whole-sellar-stereotactic-radiosurgery-for-cushing-s-disease-results-from-a-multicenter-international-cohort-study
#20
Matthew J Shepard, Gautam U Mehta, Zhiyuan Xu, Hideyuki Kano, Nathaniel Sisterson, Yan-Hua Su, Michal Krsek, Ahmed M Nabeel, Amr El-Shehaby, Khaled A Kareem, Nuria Martinez-Moreno, David Mathieu, Brendan J McShane, Kevin Blas, Douglas Kondziolka, Inga Grills, John Y Lee, Roberto Martinez-Alvarez, Wael A Reda, Roman Liscak, Cheng-Chia Lee, L Dade Lunsford, Mary Lee Vance, Jason P Sheehan
BACKGROUND: Stereotactic radiosurgery (SRS) is used to manage patients with Cushing's disease (CD) who have failed surgical/medical management. As many patients with recurrent/persistent CD lack an identifiable adenoma on neuro-imaging, whole-sellar SRS has been increasingly employed. We therefore sought to define the outcomes of patients undergoing whole-sellar SRS. METHODS: An international, multicenter, retrospective cohort-design was used to define clinical/endocrine outcomes for patients undergoing whole-sellar SRS for CD...
May 18, 2018: World Neurosurgery
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