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https://www.readbyqxmd.com/read/28346967/anticoagulation-therapy-in-children
#1
Vlad Calin Radulescu
Venous thromboembolism (VTE) is very uncommon in children and adolescents compared with older adults, though its incidence has significantly increased over the past two decades. Given the rarity of the condition, the data on pediatric VTE lag behind the adult experience and consequently the management of VTE in children is, in large part, modeled on the adult strategies. This approach has certain limitations, given that young children have developmental particularities of the hemostatic system and differences in the pharmacokinetics and pharmacodynamics of various anticoagulant agents...
March 27, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28346966/factor-xii-contact-activation
#2
Clément Naudin, Elena Burillo, Stefan Blankenberg, Lynn Butler, Thomas Renné
Contact activation is the surface-induced conversion of factor XII (FXII) zymogen to the serine protease FXIIa. Blood-circulating FXII binds to negatively charged surfaces and this contact to surfaces triggers a conformational change in the zymogen inducing autoactivation. Several surfaces that have the capacity for initiating FXII contact activation have been identified, including misfolded protein aggregates, collagen, nucleic acids, and platelet and microbial polyphosphate. Activated FXII initiates the proinflammatory kallikrein-kinin system and the intrinsic coagulation pathway, leading to formation of bradykinin and thrombin, respectively...
March 27, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28346964/lipoprotein-a-as-a-risk-factor-for-venous-thromboembolism-a-systematic-review-and-meta-analysis-of-the-literature
#3
Francesco Dentali, Vera Gessi, Rossella Marcucci, Monica Gianni, Anna Maria Grandi, Massimo Franchini
Elevated plasma levels of lipoprotein(a) (Lp(a)) are associated with increased cardiovascular risk in several clinical studies. However, there is a lack of data supporting a positive association between elevated Lp(a) levels and venous thromboembolism (VTE). Thus, we conducted a systematic review of the literature to better clarify its role as a risk factor for VTE. Medline and the Embase (up to May 2015) electronic databases were used to identify potentially eligible studies. Studies measuring Lp(a) values in adult patients with deep vein thrombosis and/or pulmonary embolism and in a population of patients without a VTE were selected...
March 27, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28346953/lennox-gastaut-syndrome-a-state-of-the-art-review
#4
Mario Mastrangelo
Lennox-Gastaut syndrome (LGS) is a severe age-dependent epileptic encephalopathy usually with onset between 1 and 8 years of age. Functional neuroimaging studies recently introduced the concept of Lennox-Gastaut as "secondary network epilepsy" resulting from dysfunctions of a complex system involving both cortical and subcortical structures (default-mode network, corticoreticular connections, and thalamus). These dysfunctions are produced by different disorders including hypoxic-ischemic encephalopathies, meningoencephalitis, cortical malformations, neurocutaneous disorders, or tumors...
March 27, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28346948/putting-patients-first-by-reducing-administrative-tasks-in-health-care-a-position-paper-of-the-american-college-of-physicians
#5
Shari M Erickson, Brooke Rockwern, Michelle Koltov, Robert McLean
This American College of Physicians (ACP) position paper, initiated and written by ACP's Medical Practice and Quality Committee and approved by the Board of Regents on 21 January 2017, reports policy recommendations to address the issue of administrative tasks to mitigate or eliminate their adverse effects on physicians, their patients, and the health care system as a whole. The paper outlines a cohesive framework for analyzing administrative tasks through several lenses to better understand any given task that a clinician and his or her staff may be required to perform...
March 28, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28346946/association-between-a-virtual-glucose-management-service-and-glycemic-control-in-hospitalized-adult-patients-an-observational-study
#6
Robert J Rushakoff, Mary M Sullivan, Heidemarie Windham MacMaster, Arti D Shah, Alvin Rajkomar, David V Glidden, Michael A Kohn
Background: Inpatient hyperglycemia is common and is linked to adverse patient outcomes. New methods to improve glycemic control are needed. Objective: To determine whether a virtual glucose management service (vGMS) is associated with improved inpatient glycemic control. Design: Cross-sectional analyses of three 12-month periods (pre-vGMS, transition, and vGMS) between 1 June 2012 and 31 May 2015. Setting: 3 University of California, San Francisco, hospitals...
March 28, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28346938/star-formation-inside-a-galactic-outflow
#7
R Maiolino, H R Russell, A C Fabian, S Carniani, R Gallagher, S Cazzoli, S Arribas, F Belfiore, E Bellocchi, L Colina, G Cresci, W Ishibashi, A Marconi, F Mannucci, E Oliva, E Sturm
Recent observations have revealed massive galactic molecular outflows that may have the physical conditions (high gas densities) required to form stars. Indeed, several recent models predict that such massive outflows may ignite star formation within the outflow itself. This star-formation mode, in which stars form with high radial velocities, could contribute to the morphological evolution of galaxies, to the evolution in size and velocity dispersion of the spheroidal component of galaxies, and would contribute to the population of high-velocity stars, which could even escape the galaxy...
March 27, 2017: Nature
https://www.readbyqxmd.com/read/28346919/the-pregnancy-microbiome
#8
Hadar Neuman, Omry Koren
In recent years, microbiome research has revealed multiple essential roles of the microorganisms residing within the human body in host metabolism, immunity, and overall health. Numerous physiological and pathological states, including obesity and the metabolic syndrome, have been correlated with microbial changes, termed dysbiosis. Our microbiomes change in response to our environment, diet, weight, hormones, and other factors. It is, therefore, not surprising that there are also significant changes in the microbiome during pregnancy when dramatic weight gain and metabolic and immunological changes occur...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28346903/the-oceanus-statue-of-the-fontana-di-trevi-rome-the-analysis-of-black-crust-as-a-tool-to-investigate-the-urban-air-pollution-and-its-impact-on-the-stone-degradation
#9
Mauro F La Russa, Paola Fermo, Valeria Comite, Cristina M Belfiore, Donatella Barca, Annamaria Cerioni, Marina De Santis, Lorena Francesca Barbagallo, Michela Ricca, Silvestro A Ruffolo
This paper deals with the analysis of black crust coming from the statue of Oceanus belonging to the Fontana di Trevi (Rome). This monument is undoubtedly one of the main touristic attractions of Rome. During the restoration held between 2014 and 2015, some diagnostic analyses had been carried out. It has been highlighted that the sheltered surfaces suffer the formation of black crust, especially on the marble statues. The possibility to sample those degradation products, together with the unaltered substrate, represented an excellent opportunity to characterize the marble itself, to assess the impact of the urban air pollution on the stone material, and to detect the pollutant on a precise timescale...
March 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28346902/in-situ-synthesis-of-cobalt-ferrites-embedded-hollow-n-doped-carbon-as-an-outstanding-catalyst-for-elimination-of-organic-pollutants
#10
Tao Zeng, Mingdong Yu, Haiyan Zhang, Zhiqiao He, Xiaole Zhang, Jianmeng Chen, Shuang Song
Using polydopamine-metal ions complex as precursor, hollow mesoporous N-doped carbon microspheres encapsulating spinel ferrites nanocrystals (HM-NC/CoFe2O4) were facilely prepared with the aim of creating a novel heterogeneous catalyst for sulfate radical-based oxidation of organic contaminants. The surface morphology, structure and composition of HM-NC/CoFe2O4 catalyst were thoroughly investigated. The applicability of the catalyst was systematically assessed through numerous controlled trials, several operating parameters, as well as different model pollutants by means of peroxymonosulfate (PMS) activation...
March 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28346894/the-romberg-ratio-in-people-with-multiple-sclerosis
#11
Alon Kalron
Postural control relies on the integration of inputs from the visual, somatosensory and vestibular systems which are frequently impaired in people with Multiple Sclerosis (PwMS). In this situation, examining the Romberg ratio can be useful. This parameter can be interpreted as a gross indicator of a vestibular and proprioceptive contribution to postural control. Therefore, the primary objective of the current study was to examine whether the Romberg ratio differs between MS fallers, non-fallers and neurological disability levels...
March 14, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28346884/automatic-measurement-of-melanoma-depth-of-invasion-in-skin-histopathological-images
#12
Hongming Xu, Richard Berendt, Naresh Jha, Mrinal Mandal
Measurement of melanoma depth of invasion (DoI) in skin tissues is of great significance in grading the severity of skin disease and planning patient's treatment. However, accurate and automatic measurement of melanocytic tumor depth is a challenging problem mainly due to the difficulty of skin granular identification and melanoma detection. In this paper, we propose a technique for measuring melanoma DoI in microscopic images digitized from MART1 (i.e., meleanoma-associated antigen recognized by T cells) stained skin histopathological sections...
March 10, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28346875/helicobacter-pylori-infection-detection-from-gastric-x-ray-images-based-on-feature-fusion-and-decision-fusion
#13
Kenta Ishihara, Takahiro Ogawa, Miki Haseyama
In this paper, a fully automatic method for detection of Helicobacter pylori (H. pylori) infection is presented with the aim of constructing a computer-aided diagnosis (CAD) system. In order to realize a CAD system with good performance for detection of H. pylori infection, we focus on the following characteristic of stomach X-ray examination. The accuracy of X-ray examination differs depending on the symptom of H. pylori infection that is focused on and the position from which X-ray images are taken. Therefore, doctors have to comprehensively assess the symptoms and positions...
March 21, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28346866/prevalence-and-potential-risk-factors-for-bartonella-infection-in-tunisian-stray-dogs
#14
Jaber Belkhiria, Bruno B Chomel, Taoufik Ben Hamida, Rickie W Kasten, Matthew J Stuckey, Drew A Fleischman, Mary M Christopher, Henri-Jean Boulouis, Thomas B Farver
Bartonellae are blood-borne and vector-transmitted pathogens, some are zoonotic, which have been reported in several Mediterranean countries. Transmission from dogs to humans is suspected, but has not been clearly demonstrated. Our objectives were to determine the seroprevalence of Bartonella henselae, Bartonella vinsonii subsp. berkhoffii, Bartonella clarridgeiae, and Bartonella bovis (as a proxy for Candidatus Bartonella merieuxii) in stray dogs from Tunisia, identify the Bartonella species infecting the dogs and evaluate potential risk factors for canine infection...
March 27, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28346857/the-influence-of-epicardial-fat-and-nonalcoholic-fatty-liver-disease-on-heart-rate-recovery-in-metabolic-syndrome
#15
Kyoung Im Cho, Eun Ah Jo, Sang Hoon Cho, Bo Hyun Kim
BACKGROUND: Epicardial adipose tissues reflecting visceral fat accumulations of the heart are associated with metabolic syndrome (MetS) and can be a predictor of other cardiometabolic diseases. It can adversely influence autonomic nervous system (ANS) of heart. Heart rate recovery (HRR) is an easy method for measuring ANS dysfunction. The purpose of this study was to determine whether epicardial fat thickness (EFT) and nonalcoholic fatty liver disease (NAFLD) are related to HRR in patients with MetS...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28346851/aquatic-therapy-for-people-with-lymphedema-a-systematic-review-and-meta-analysis
#16
Wai Yeung, Adam I Semciw
BACKGROUND: Aquatic therapy has several proposed benefits for people with lymphedema. A systematic review of the evidence for aquatic therapy in lymphedema management has not been conducted. METHOD AND RESULTS: Systematic review and meta-analysis were conducted. Five electronic databases were searched to identify randomized controlled trials (RCTs) of people with lymphedema, which compared aquatic therapy with other lymphedema interventions. Qualitative analysis was undertaken where quantitative analysis was not possible...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346841/rapid-and-reliable-genotyping-of-hla-b-57-01-in-four-chinese-populations-using-a-single-tube-duplex-real-time-polymerase-chain-reaction-assay
#17
Min Han, Xing Kang, Zhengbin Liu, Tingting Zhang, Yanwei Li, Chao Chen, Huijuan Wang
HLA-B*57:01 is strongly associated with severe adverse drug reaction induced by the anti-HIV drug abacavir (ABC) and antibiotic flucloxacillin. This study was dedicated to establishing a new method for HLA-B*57:01 genotyping and investigating the HLA-B*57:01 distribution pattern in four Chinese populations. A single-tube duplex real-time polymerase chain reaction (PCR) system was established by combining the amplification refractory mutation system and TaqMan probe. The reliability of this assay was validated by comparing the genotyping results with those by sequence-based typing...
March 27, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28346821/structure-activity-relationships-on-cynnamoyl-derivatives-as-inhibitors-of-p300-histone-acetyltransferase
#18
Valentina Noemi Madia, Rosaria Benedetti, Maria Letizia Barreca, Liza Ngo, Luca Pescatori, Antonella Messore, Giovanni Pupo, Francesco Saccoliti, Sergio Valente, Antonello Mai, Luigi Scipione, Yujun George Zheng, Cristina Tintori, Maurizio Botta, Violetta Cecchetti, Lucia Altucci, Roberto Di Santo, Roberta Costi
Human p300 is a polyhedric transcriptional coactivator, playing a crucial role by acetylating histones on specific lysine residues. A great deal of evidences shows that p300 is involved in several diseases as leukemia, tumors and viral infection. Its involvement in pleiotropic biological roles and connections to diseases provide the rationale as to how its modulation could represent an amenable drug target. Several p300 inhibitors (HATi) have been described so far, but all suffer from low potency, lack of specificity or low cell-permeability, highlighting the need to find more effective inhibitors...
March 27, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28346818/regulation-of-low-temperature-stress-in-plants-by-micrornas
#19
REVIEW
Swati Megha, Urmila Basu, Nat N V Kav
Low temperature is one of the most common environmental stresses that seriously affects the growth and development of plants. However, plants have the plasticity in their defense mechanisms enabling them to tolerate and, sometimes, even survive adverse environmental conditions. MicroRNAs (miRNAs) are small non-coding RNAs, approximately 19-21 nucleotides in length, and are being increasingly recognized as regulators of gene expression at the post-transcriptional level and have the ability to influence a broad range of biological processes...
March 27, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28346812/identification-of-a-novel-benzimidazole-pyrazolone-scaffold-that-inhibits-kdm4-lysine-demethylases-and-reduces-proliferation-of-prostate-cancer-cells
#20
David M Carter, Edgar Specker, Jessica Przygodda, Martin Neuenschwander, Jens Peter von Kries, Udo Heinemann, Marc Nazaré, Ulrich Gohlke
Human lysine demethylase (KDM) enzymes (KDM1-7) constitute an emerging class of therapeutic targets, with activities that support growth and development of metastatic disease. By interacting with and co-activating the androgen receptor, the KDM4 subfamily (KDM4A-E) promotes aggressive phenotypes of prostate cancer (PCa). Knockdown of KDM4 expression or inhibition of KDM4 enzyme activity reduces the proliferation of PCa cell lines and highlights inhibition of lysine demethylation as a possible therapeutic method for PCa treatment...
March 1, 2017: SLAS Discov
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