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https://www.readbyqxmd.com/read/29665558/prevalence-of-clostridium-difficile-infection-in-hospitalized-patients-with-diarrhoea-results-of-a-polish-multicenter-prospective-biannual-point-prevalence-study
#1
Hanna Pituch, Piotr Obuch-Woszczatyński, Dominika Lachowicz, Robert Kuthan, Katarzyna Dzierżanowska-Fangrat, Agnieszka Mikucka, Katarzyna Jermakow, Aleksandra Pituch-Zdanowska, Kerrie Davies
PURPOSE: We aimed to measure the underdiagnosis of Clostridium difficile infection across Poland and the distribution of PCR-ribotypes of C. difficile. MATERIAL AND METHODS: Twenty seven Polish healthcare facilities (HCFs) participated in this prospective study. Each HCF systematically sent all diarrhoeal stools received from inpatients at their laboratories on two days (one in January 2013 and one in July 2013), independently of CDI test request, to the National Coordinating Laboratory (NCL) for standardized testing of CDI...
April 13, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29659747/two-distinct-patterns-of-clostridium-difficile-diversity-across-europe-indicates-contrasting-routes-of-spread
#2
David W Eyre, Kerrie A Davies, Georgina Davis, Warren N Fawley, Kate E Dingle, Nicola De Maio, Andreas Karas, Derrick W Crook, Tim E A Peto, A Sarah Walker, Mark H Wilcox
Background: Rates of Clostridium difficile infection vary widely across Europe, as do prevalent ribotypes. The extent of Europe-wide diversity within each ribotype is however unknown. Methods: Inpatient diarrhoeal faecal samples submitted on one day in summer and winter (2012-2013) to laboratories in 482 European hospitals were cultured for C. difficile, and isolates ribotyped; those from the 10 most prevalent ribotypes were Illumina whole-genome sequenced. Pairwise single nucleotide differences (SNPs) were obtained from recombination-corrected maximum-likelihood phylogenies...
April 6, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29570799/ketogenic-diet-based-on-extra-virgin-coconut-oil-has-no-effects-in-young-wistar-rats-with-pilocarpine-induced-epilepsy
#3
Isabelle T Melo, Elisabete M Rêgo, Nassib B Bueno, Tâmara C Gomes, Suzana L Oliveira, Euclides M Trindade-Filho, Cyro R Cabral-Jr, Tacy S Machado, Jaqueline A Galvão, Terezinha R Ataide
This study evaluated the effects of a ketogenic diet (KD) based on extra virgin coconut oil (Cocos nucifera L., VCO), on the treatment of epileptic rats. Two sets of experiments were conducted. First, male Wistar rats underwent induction of status epilepticus (SE) with the administration of pilocarpine intraperitoneally 21 animals reached spontaneous recurrent seizures (SRS) and were randomly allocated to the dietary regimens and video-monitored for 19 days. In the second experiment, 24 animals were randomized immediately after the induction of SE and followed for 67 days...
March 23, 2018: Lipids
https://www.readbyqxmd.com/read/29565700/90-day-oral-toxicity-assessment-of-tropaeolum-majus-l-in-rodents-and-lagomorphs
#4
Valdinei de Oliveira Araújo, Carlos Eduardo Linhares Andreotti, Michelle de Paula Reis, Daniely Alves de Lima, Karoline Bach Pauli, Bruna Caroline Nunes, Caroline Gomes, Ricardo de Melo Germano, Euclides Lara Cardozo Junior, Arquimedes Gasparotto Junior, Emerson Luiz Botelho Lourenço
Tropaeolum majus L., popularly known as nasturtium, is a species widely used in the form of infusions and salads. In the last years, the antihypertensive, diuretic, and calcium and potassium sparing activities of T. majus preparations were shown. Moreover, no preclinical 90-day oral toxicity studies were conducted. Thus, this study evaluated the toxicity of the hydroethanolic extract obtained from T. majus (HETM) leaves in female and male mice, rats, and rabbits. Swiss mice and Wistar rats were treated with HETM (75, 375, and 750 mg/kg)...
March 22, 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29493045/lipopolysaccharide-and-camp-modify-placental-calcitriol-biosynthesis-reducing-antimicrobial-peptides-gene-expression
#5
Andrea Olmos-Ortiz, Janice García-Quiroz, Euclides Avila, Felipe Caldiño-Soto, Ali Halhali, Fernando Larrea, Lorenza Díaz
PROBLEM: Calcitriol, the hormonal form of vitamin D3 (VD), stimulates placental antimicrobial peptides expression; nonetheless, the regulation of calcitriol biosynthesis in the presence of bacterial products and its consequence on placental innate immunity have scarcely been addressed. METHOD OF STUDY: We investigated how some bacterial products modify placental VD metabolism and its ability to induce antimicrobial peptides gene expression. RESULTS: Cultured human trophoblasts biosynthesized calcitriol only in the presence of its precursor calcidiol, a process that was inhibited by cyclic-AMP but stimulated by lipopolysaccharide (LPS)...
March 1, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29355992/antithrombotic-therapy-in-peripheral-artery-disease-a-review-of-the-euclid-trial-results-and-current-ongoing-trials
#6
REVIEW
Rachael Ward, Chandler Long, Manesh R Patel, William S Jones
In addition to risk-factor modification, antithrombotic therapy is the hallmark of management to reduce cardiovascular ischemic events in patients with peripheral artery disease (PAD). Currently, the guidelines recommend long-term antiplatelet therapy with aspirin or clopidogrel in this patient population to reduce myocardial infarction, stroke, and vascular death. Past outcomes studies have shown some benefit of ticagrelor, another antiplatelet agent, as compared with clopidogrel in patients with coronary disease and concomitant PAD...
January 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29324806/immunocompetent-host-develops-mild-intestinal-inflammation-in-acute-infection-with-toxoplasma-gondii
#7
Paulo da Silva Watanabe, Aline Rosa Trevizan, Saulo Euclides Silva-Filho, Marcelo Biondaro Góis, João Luiz Garcia, Roberto Kenji Nakamura Cuman, Ana Cristina Breithaupt-Faloppa, Débora de Mello Gonçales Sant Ana, Gessilda de Alcantara Nogueira de Melo
Toxoplasma gondii (T. gondii) is the causative agent of toxoplasmosis, common zoonosis among vertebrates and high incidence worldwide. During the infection, the parasite needs to transpose the intestinal barrier to spread throughout the body, which may be a trigger for an inflammatory reaction. This work evaluated the inflammatory alterations of early T. gondii infection in peripheral blood cells, in the mesenteric microcirculation, and small intestinal tissue by measurement of MPO (myeloperoxidase) activity and NO (nitric oxide) level in rats...
2018: PloS One
https://www.readbyqxmd.com/read/29298954/computed-tomography-a-technical-review
#8
Euclid Seeram
Computed tomography (CT) is a technical and complex diagnostic imaging modality. Radiologic technologists must understand the technology well enough to optimize dose and image quality and provide excellent patient care. This article reviews essential physical principles and technical aspects of CT, including physics related to radiation attenuation and CT numbers along with general technical concepts. In addition, the article reviews multislice CT technology.
January 2018: Radiologic Technology
https://www.readbyqxmd.com/read/29274355/lipid-lowering-and-antiatherogenic-effects-of-vitex-megapotamica-spreng-moldenke-in-a-mice-experimental-model
#9
Vanessa Aranega Pires, Euclides Lara Cardozo-Junior, Caroline Flach Ortmann, Jhonatan Christian Maraschin, Wagner Alex Jann Favreto, Carmen Maria Donaduzzi, Flávio Henrique Reginatto, Jamil Assreuy
ETHNOPHARMACOLOGICAL RELEVANCE: Vitex megapotamica (Spreng.) Moldenke is a deciduous tree, native of South America. Its leaves are traditionally used to treat cardiovascular diseases. This activity is related to the presence of flavonoids, the major compounds of the crude extract. AIM OF THE STUDY: This study investigated the effects of the oral administration of crude extract and standardized fractions from V. megapotamica leaves on lipid profile and on the formation of atherosclerotic plaque in C57BL/6 LDLr-KO mice treated with high-fat diet (HFD)...
April 6, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29273390/outcomes-of-patients-with-critical-limb-ischaemia-in-the-euclid-trial
#10
Lars Norgren, Manesh R Patel, William R Hiatt, Daniel M Wojdyla, F Gerry R Fowkes, Iris Baumgartner, Kenneth W Mahaffey, Jeffrey S Berger, W Schuyler Jones, Brian G Katona, Peter Held, Juuso I Blomster, Frank W Rockhold, Martin Björck
OBJECTIVES: Critical limb ischaemia (CLI) implies an increased risk of cardiovascular morbidity and mortality, and the optimal antithrombotic treatment is not established. DESIGN, MATERIALS, METHODS: The EUCLID trial investigated the effect of monotherapy with ticagrelor versus clopidogrel in 13,885 patients with peripheral artery disease (PAD); the primary endpoint was cardiovascular death, myocardial infarction, or ischaemic stroke. Patients planned for revascularisation or amputation within 3 months, were excluded...
January 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29234424/anxiolytic-effect-of-citrus-aurantium-l-in-crack-users
#11
Gabriel Chaves Neto, João Euclides Fernandes Braga, Mateus Feitosa Alves, Liana Clébia de Morais Pordeus, Sócrates Golzio Dos Santos, Marcus Tullius Scotti, Reinaldo N Almeida, Margareth de Fátima Formiga Melo Diniz
The objective of this study was to investigate the anxiolytic effects of the essential oil (EO) of Citrus aurantium L. in patients experiencing crack withdrawal. This was developed with internal users in therapeutic communities in Paraíba, Brazil. The test population consisted of 51 volunteers, subdivided into three groups. To elicit anxiety, the Simulated Public Speaking (SPS) method was used. Physiological measures were assessed at specific phases during the experiment using appropriate equipment. Psychological measures of anxiety were assessed using the Trait-State Anxiety Inventory (IDATE) and the Analog Smoke Scale (HAS)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29162738/science-and-culture-researchers-find-history-in-the-diagrams-of-euclid-s-elements
#12
Stephen Ornes
No abstract text is available yet for this article.
November 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29138739/the-euclid-statistical-matrix-tool
#13
EDITORIAL
Curtis Tilves, Saeed Yekaninejad, Tetsuro Hayashi, Eman Eltahlawy, Eugene Shubnikov, Shalkar Adambekov
No abstract text is available yet for this article.
2017: Central Asian Journal of Global Health
https://www.readbyqxmd.com/read/29111727/bioisostere-identification-by-determining-the-amino-acid-binding-preferences-of-common-chemical-fragments
#14
Tomohiro Sato, Noriaki Hashimoto, Teruki Honma
To assist in the structural optimization of hit/lead compounds during drug discovery, various computational approaches to identify potentially useful bioisosteric conversions have been reported. Here, the preference of chemical fragments to hydrogen bonds with specific amino acid residues was used to identify potential bioisosteric conversions. We first compiled a data set of chemical fragments frequently occurring in complex structures contained in the Protein Data Bank. We then used a computational approach to determine the amino acids to which these chemical fragments most frequently hydrogen bonded...
December 26, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/29068147/r-based-tool-for-a-pairwise-structure-activity-relationship-analysis
#15
Kyrylo Klimenko
The Structure-Activity Relationship analysis is a complex process that can be enhanced by computational techniques. This article describes a simple tool for SAR analysis that has a graphic user interface and a flexible approach towards the input of molecular data. The application allows calculating molecular similarity represented by Tanimoto index & Euclid distance, as well as, determining activity cliffs by means of Structure-Activity Landscape Index. The calculation is performed in a pairwise manner either for the reference compound and other compounds or for all possible pairs in the data set...
October 25, 2017: Molecular Informatics
https://www.readbyqxmd.com/read/29056047/daily-intake-of-chlorogenic-acids-from-consumption-of-mat%C3%A3-ilex-paraguariensis-a-st-hil-traditional-beverages
#16
Karimi Sater Gebara, Arquimedes Gasparotto-Junior, Patricia Gonçalves Santiago, Claudia Andrea Lima Cardoso, Lauro Mera de Souza, Christine Morand, Telma Aparecida Costa, Euclides Lara Cardozo-Junior
The main objective of this study was to investigate the daily intake of chlorogenic acids (CGAs) and methylxanthines by consumers of maté traditional beverages (MTBs), terere and chimarrão (Ilex paraguariensis A.St.-Hill). In the studied population (450 citizens from Toledo, PR, Brazil), 63% consume the chimarrão and 37% terere, with weighted mean daily intakes estimated at 648-2160 and 244-746 mL, respectively. For every 100 mL of beverage consumed, the average amount of total phenol compounds extracted was 673...
November 22, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29051509/the-transcriptional-regulator-ntrc-controls-glucose-6-phosphate-dehydrogenase-expression-and-polyhydroxybutyrate-synthesis-through-nadph-availability-in-herbaspirillum-seropedicae
#17
Euclides Nenga Manuel Sacomboio, Edson Yu Sin Kim, Henrique Leonardo Ruchaud Correa, Paloma Bonato, Fabio de Oliveira Pedrosa, Emanuel Maltempi de Souza, Leda Satie Chubatsu, Marcelo Müller-Santos
The NTR system is the major regulator of nitrogen metabolism in Bacteria. Despite its broad and well-known role in the assimilation, biosynthesis and recycling of nitrogenous molecules, little is known about its role in carbon metabolism. In this work, we present a new facet of the NTR system in the control of NADPH concentration and the biosynthesis of molecules dependent on reduced coenzyme in Herbaspirillum seropedicae SmR1. We demonstrated that a ntrC mutant strain accumulated high levels of polyhydroxybutyrate (PHB), reaching levels up to 2-fold higher than the parental strain...
October 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28966614/detection-of-increased-plasma-interleukin-6-levels-and-prevalence-of-prevotella-copri-and-bacteroides-vulgatus-in-the-feces-of-type-2-diabetes-patients
#18
Aline Zazeri Leite, Nathália de Campos Rodrigues, Marina Ignácio Gonzaga, João Carlos Cicogna Paiolo, Carolina Arantes de Souza, Nadine Aparecida Vicentini Stefanutto, Wellington Pine Omori, Daniel Guariz Pinheiro, João Luiz Brisotti, Euclides Matheucci Junior, Vânia Sammartino Mariano, Gislane Lelis Vilela de Oliveira
Intestinal dysbiosis and metabolic endotoxemia have been associated with metabolic disorders, such as obesity, insulin resistance, and type 2 diabetes (T2D). The main goal of the present study was to evaluate the intestinal dysbiosis in Brazilian T2D patients and correlate these data with inflammatory cytokines and lipopolysaccharides (LPS) plasma concentrations. This study was approved by the Ethics Committees from Barretos Cancer Hospital and all individuals signed the informed consent form. Stool samples were required for DNA extraction, and the V3/V4 regions of bacterial 16S were sequenced using an Illumina platform...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28899499/mechanisms-underlying-antiatherosclerotic-properties-of-an-enriched-fraction-obtained-from-ilex-paraguariensis-a-st-hil
#19
Patrícia Gonçalves Santiago, Francielly Mourão Gasparotto, Karimi Sater Gebara, Flavia Barbieri Bacha, Francislaine Aparecida Dos Reis Lívero, Maria Angélica Strapazon, Euclides Lara Cardozo Junior, Cândida Aparecida Leite Kassuya, Lauro Mera de Souza, Arquimedes Gasparotto Junior
BACKGROUND: Ilex paraguariensis A. St. Hil. var. paraguariensis (Aquifoliaceae) popularly known as 'mate' is an important species native to South America. Despite numerous studies showing significant antioxidant and lipid lowering properties, the antiatherosclerotic mechanisms of this species remain unknown. PURPOSE: To evaluate the possible antiatherosclerotic effects of a butanolic fraction (n-BFIP) obtained from I. paraguariensis and to investigate the molecular mechanisms involved in this activity...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28887142/marriages-of-mathematics-and-physics-a-challenge-for-biology
#20
REVIEW
Arezoo Islami, Giuseppe Longo
The human attempts to access, measure and organize physical phenomena have led to a manifold construction of mathematical and physical spaces. We will survey the evolution of geometries from Euclid to the Algebraic Geometry of the 20th century. The role of Persian/Arabic Algebra in this transition and its Western symbolic development is emphasized. In this relation, we will also discuss changes in the ontological attitudes toward mathematics and its applications. Historically, the encounter of geometric and algebraic perspectives enriched the mathematical practices and their foundations...
December 2017: Progress in Biophysics and Molecular Biology
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