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https://www.readbyqxmd.com/read/29793057/ellagic-acid-protects-from-myelin-associated-sphingolipid-loss-in-experimental-autoimmune-encephalomyelitis
#1
Rebeca Busto, Jorge Serna, Aránzazu Perianes-Cachero, Rocío Quintana-Portillo, David García-Seisdedos, Alberto Canfrán-Duque, Carlos L Paino, Milagros Lerma, María E Casado, Antonia Martín-Hidalgo, Eduardo Arilla-Ferreiro, Miguel A Lasunción, Óscar Pastor
Experimental autoimmune encephalomyelitis (EAE), the most common model for multiple sclerosis, is characterized by inflammatory cell infiltration into the central nervous system and demyelination. Previous studies have demonstrated that administration of some polyphenols may reduce the neurological alterations of EAE. In this work, we show that ellagic acid, a polyphenolic compound, is beneficial in EAE, most likely through stimulation of ceramide biosynthesis within the brain. EAE was induced in Lewis rats by injection of guinea-pig spinal cord tissue along with Freund's complete adjuvant containing Mycobacterium tuberculosis...
May 21, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29792061/diet-and-exercise-for-preeclampsia-prevention-in-overweight-and-obese-pregnant-women-systematic-review-and-meta-analysis
#2
Argyro Syngelaki, Miguel Sequeira Campos, Stephanie Roberge, Walkyria Andrade, Kypros H Nicolaides
OBJECTIVE: To investigate the effect of diet and/or exercise in overweight or obese pregnant women on the risk of preeclampsia. METHODS: We performed a systematic review and meta-analysis of randomized controlled trials examining the effect of diet and/or exercise interventions in overweight and obese pregnant women on the risk of preeclampsia (PE) and hypertensive disorders. We completed a literature search through PubMed, Embase, Cinahl, Web of science, Cochrane CENTRAL Library from their earliest entries to November 2017 and from references of other systematic reviews...
May 23, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29791853/p27-kip1-modulates-axonal-transport-by-regulating-%C3%AE-tubulin-acetyltransferase-1-stability
#3
Giovanni Morelli, Aviel Even, Ivan Gladwyn-Ng, Romain Le Bail, Michal Shilian, Juliette D Godin, Elise Peyre, Bassem A Hassan, Arnaud Besson, Jean-Michel Rigo, Miguel Weil, Bert Brône, Laurent Nguyen
The protein p27Kip1 plays roles that extend beyond cell-cycle regulation during cerebral cortex development, such as the regulation of neuronal migration and neurite branching via signaling pathways that converge on the actin and microtubule cytoskeletons. Microtubule-dependent transport is essential for the maturation of neurons and the establishment of neuronal connectivity though synapse formation and maintenance. Here, we show that p27Kip1 controls the transport of vesicles and organelles along the axon of mice cortical projection neurons in vitro...
May 22, 2018: Cell Reports
https://www.readbyqxmd.com/read/29791849/activation-of-entorhinal-cortical-projections-to-the-dentate-gyrus-underlies-social-memory-retrieval
#4
Celeste Leung, Feng Cao, Robin Nguyen, Krutika Joshi, Afif J Aqrabawi, Shuting Xia, Miguel A Cortez, O Carter Snead, Jun Chul Kim, Zhengping Jia
Social interactions are essential to our mental health, and a deficit in social interactions is a hallmark characteristic of numerous brain disorders. Various subregions within the medial temporal lobe have been implicated in social memory, but the underlying mechanisms that tune these neural circuits remain unclear. Here, we demonstrate that optical activation of excitatory entorhinal cortical perforant projections to the dentate gyrus (EC-DG) is necessary and sufficient for social memory retrieval. We further show that inducible disruption of p21-activated kinase (PAK) signaling, a key pathway important for cytoskeletal reorganization, in the EC-DG circuit leads to impairments in synaptic function and social recognition memory, and, importantly, optogenetic activation of the EC-DG terminals reverses the social memory deficits in the transgenic mice...
May 22, 2018: Cell Reports
https://www.readbyqxmd.com/read/29791771/minimal-information-about-an-immuno-peptidomics-experiment-miaipe
#5
Jennie R Lill, Peter A van Veelen, Stefan Tenzer, Arie Admon, Etienne Caron, Josh Elias, Albert J R Heck, Miguel Marcilla, Fabio Marino, Markus Müller, Bjoern Peters, Anthony Purcell, Alessandro Sette, Theo Sturm, Nicola Ternette, Juan Antonio Vizcaíno, Michal Bassani-Sternberg
Minimal Information about an Immuno-Peptidomics Experiment (MIAIPE) is an initiative of the members of the Human Immuno-Peptidome Project (HIPP), an international program organized by the Human Proteome Organization (HUPO). The aim of the MIAIPE guidelines is to deliver technical guidelines representing the minimal information required to sufficiently support the evaluation and interpretation of immunopeptidomics experiments. The MIAIPE document has been designed to report essential information about sample preparation, mass spectrometric measurement and associated mass spectrometry (MS)-related bioinformatics aspects that are unique to immunopeptidomics and may not be covered by the general proteomics MIAPE (Minimal Information About a Proteomics Experiment) guidelines...
May 23, 2018: Proteomics
https://www.readbyqxmd.com/read/29791668/phlebitis-and-infiltration-vascular-trauma-associated-with-the-peripheral-venous-catheter
#6
Luciene Muniz Braga, Pedro Miguel Parreira, Anabela de Sousa Salgueiro Oliveira, Lisete Dos Santos Mendes Mónico, Cristina Arreguy-Sena, Maria Adriana Henriques
OBJECTIVE: to determine the incidence rate and risk factors for the nursing-sensitive indicators phlebitis and infiltration in patients with peripheral venous catheters (PVCs). METHOD: cohort study with 110 patients. Scales were used to assess and document phlebitis and infiltration. Socio-demographic variables, clinical variables related to the PVC, medication and hospitalization variables were collected. Descriptive and inferential analysis and multivariate logistic models were used...
2018: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/29791491/community-structure-informs-species-geographic-distributions
#7
Alicia Montesinos-Navarro, Alba Estrada, Xavier Font, Miguel G Matias, Catarina Meireles, Manuel Mendoza, Joao P Honrado, Hari D Prasad, Joana R Vicente, Regan Early
Understanding what determines species' geographic distributions is crucial for assessing global change threats to biodiversity. Measuring limits on distributions is usually, and necessarily, done with data at large geographic extents and coarse spatial resolution. However, survival of individuals is determined by processes that happen at small spatial scales. The relative abundance of coexisting species (i.e. 'community structure') reflects assembly processes occurring at small scales, and are often available for relatively extensive areas, so could be useful for explaining species distributions...
2018: PloS One
https://www.readbyqxmd.com/read/29791416/oncological-outcomes-in-extended-time-intervals-betweenpreoperative-chemoradiotherapy-with-capecitabine-and-surgery-inoperable-rectal-adenocarcinoma
#8
Miguel A Muñoz, Manuel G Palacios, Jenny Malca, Raúl Mantilla, Paola C Montenegro, Ivan Chavez
OBJECTIVE: To assess whether extended time intervals (8-12, 13-20 and >20 weeks) between the end of neoadjuvant chemoradiotherapy and surgery affect overall survival, disease-free survival. MATERIALS AND METHODS: Retrospective study in 120 patients with rectal adenocarcinoma without evidence of metastasis (T1-4/N0-2/M0) at the time of diagnosis that underwent surgery with curative intent after neoadjuvant chemoradiotherapy with capecitabine and obtained R0 or R1 resection between January 2010 to December 2014 at the National Cancer Institute of Peru...
January 2018: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29791142/reassessment-of-the-transport-mechanism-of-the-human-zinc-transporter-slc39a2
#9
Marie Christine Franz, Jonai Pujol-Gimenez, Nicolas Montalbetti, Miguel Fernandez-Tenorio, Timothy R DeGrado, Ernst Niggli, Michael F Romero, Matthias A Hediger
The human zinc transporter SLC39A2, also known as ZIP2, was shown to mediate zinc transport that could be inhibited at pH values below 7.0 and stimulated by HCO3-, suggesting a Zn2+/HCO3- cotransport mechanism (1). In contrast, recent experiments in our laboratory indicated that the functional activity of ZIP2 increases at acidic pH (2). The present study was therefore designed to reexamine the findings on the pH-dependence and to extend the functional characterization of ZIP2. Our current results show that ZIP2-mediated transport is modulated by extracellular pH, but independent of the H+ driving force...
May 23, 2018: Biochemistry
https://www.readbyqxmd.com/read/29790656/clinical-characteristics-and-validation-of-bronchiectasis-severity-score-systems-for-post-tuberculosis-bronchiectasis
#10
Hong Wang, Xiao-Bin Ji, Cheng-Wei Li, Hai-Wen Lu, Bei Mao, Shuo Liang, Ke-Bin Cheng, Jiu-Wu Bai, Miguel Angel Martinez-Garcia, Jin-Fu Xu
INTRODUCTION: Lung damage related to tuberculosis is a major contributor to the etiology of bronchiectasis in China. It is unknown whether bronchiectasis severity score systems are applicable in these cases. OBJECTIVES: To evaluate the clinical characteristics and validation of bronchiectasis severity score systems for post-tuberculosis bronchiectasis. METHODS: The study enrolled 596 bronchiectasis patients in Shanghai Pulmonary Hospital between January 2011 and December 2012...
May 23, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29790206/efficacy-and-safety-of-transcatheter-valve-in-valve-replacement-for-mitroflow-bioprosthetic-valve-dysfunction
#11
Victor X Mosquera, Miguel González-Barbeito, Alberto Bouzas-Mosquera, José M Herrera-Noreña, Carlos Velasco, Jorge Salgado-Fernández, Ramón Calviño-Santos, Nicolás Vázquez-González, José M Vázquez-Rodríguez, José J Cuenca-Castillo
OBJECTIVES: Bioprostheses with pericardial leaflets mounted externally on the stent pose a high risk for valve-in-valve (ViV) procedures. This study analyzed the efficacy and safety of ViV procedures for treating structural valve deterioration (SVD) in Mitroflow bioprostheses. METHODS: Between January 2012 and August 2017, 11 patients (mean age 80.3 ± 5.6 years) were treated for SVD of Mitroflow bioprostheses with transcatheter ViV procedures (six transapical [TA] and five transfemoral [TF]) using balloon expandable bioprostheses...
May 22, 2018: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/29790042/orthopaedic-regenerative-tissue-engineering-en-route-to-the-holy-grail-disequilibrium-between-the-demand-and-the-supply-in-the-operating-room
#12
REVIEW
Ibrahim Fatih Cengiz, Hélder Pereira, Laura de Girolamo, Magali Cucchiarini, João Espregueira-Mendes, Rui L Reis, Joaquim Miguel Oliveira
Orthopaedic disorders are very frequent, globally found and often partially unresolved despite the substantial advances in science and medicine. Their surgical intervention is multifarious and the most favourable treatment is chosen by the orthopaedic surgeon on a case-by-case basis depending on a number of factors related with the patient and the lesion. Numerous regenerative tissue engineering strategies have been developed and studied extensively in laboratory through in vitro experiments and preclinical in vivo trials with various established animal models, while a small proportion of them reached the operating room...
May 22, 2018: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29789828/unravelling-the-spin-state-of-solvated-fe-bpp-2-2-spin-crossover-complexes-structure-function-relationship
#13
Maria Del Carmen Giménez-López, Miguel Clemente-León, Carlos Giménez-Saiz
This paper reports firstly the syntheses, crystal structures, and thermal and magnetic properties of spin crossover salts of formulae [Fe(bpp)2]3[Cr(CN)6]2·13H2O (1) and [Fe(bpp)2][N(CN)2]2·H2O (2) (bpp = 2,6-bis(pyrazol-3-yl)pyridine) exhibiting hydrogen-bonded networks of low-spin [Fe(bpp)2]2+ complexes and [Cr(CN)6]3- or [N(CN)2]- anions, with solvent molecules located in the voids. Desolvation of 1 is accompanied by a complete low-spin (LS) to a high-spin (HS) transformation that becomes reversible after rehydration by exposing the sample to the humidity of air...
May 23, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29789761/visual-outcome-after-posterior-uveal-melanoma-episcleral-brachytherapy-including-radiobiological-doses
#14
David Miguel, Jesús María de Frutos-Baraja, Francisco López-Lara, María Antonia Saornil, Ciro García-Alvarez, Pilar Alonso, Patricia Diezhandino
Purpose: To assess the long-term influence of radiobiological doses in the evolution of visual acuity (VA) in patients with uveal melanoma treated by episcleral brachytherapy. Material and methods: Visual acuity was evaluated prospectively from a case series of 243 patients in 2016 treated with 125 I. Data analysis was applied to trend VA outcome and find the accurate best-fit line. Biologically effective dose (BED) was included in survival analysis with the use of Kaplan-Meier and Cox regressions...
April 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29789467/the-present-and-future-of-whole-genome-sequencing-wgs-and-whole-metagenome-sequencing-wms-for-surveillance-of-antimicrobial-resistant-microorganisms-and-antimicrobial-resistance-genes-across-the-food-chain
#15
REVIEW
Elena A Oniciuc, Eleni Likotrafiti, Adrián Alvarez-Molina, Miguel Prieto, Jesús A Santos, Avelino Alvarez-Ordóñez
Antimicrobial resistance (AMR) surveillance is a critical step within risk assessment schemes, as it is the basis for informing global strategies, monitoring the effectiveness of public health interventions, and detecting new trends and emerging threats linked to food. Surveillance of AMR is currently based on the isolation of indicator microorganisms and the phenotypic characterization of clinical, environmental and food strains isolated. However, this approach provides very limited information on the mechanisms driving AMR or on the presence or spread of AMR genes throughout the food chain...
May 22, 2018: Genes
https://www.readbyqxmd.com/read/29789213/severe-hypertriglyceridemia-clinical-characteristics-and-therapeutic-management
#16
Walter Masson, Emiliano Rossi, Daniel Siniawski, Juan Damonte, Ana Halsband, Ramiro Barolo, Miguel Scaramal
INTRODUCTION: The therapeutic management of severe hypertriglyceridaemia represents a clinical challenge. OBJECTIVES: The objectives of this study were 1) to identify the clinical characteristics of patients with severe hypertriglyceridaemia, and 2) to analyse the treatment established by the physicians in each case. METHODS: A cross-sectional study was carried out using the computerised medical records of all patients>18 years of age with a blood triglyceride level≥1,000mg/dL between 1 January 2011 and 31 December 2016...
May 19, 2018: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/29789142/diffuse-idiopathic-pulmonary-neuroendocrine-cell-hyperplasia-report-of-two-cases
#17
Eva García-Fontán, Montserrat Blanco Ramos, Jose Soro García, Rommel Carrasco, Miguel Ángel Cañizares, Ana González Piñeiro
INTRODUCTION: Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is a rare disorder characterized by a proliferation of neuroendocrine cells within the lung. It is classically described as a disease with persistent cough, dyspnea and wheezing in non-smoker middle aged females. CT of the chest reveals diffuse air trapping with mosaic pattern. PATIENTS AND METHODS: We present two cases of DIPNECH that were sent to our department to perform a lung biopsy with the diagnostic suspicion of diffuse interstitial disease...
May 19, 2018: Medicina Clínica
https://www.readbyqxmd.com/read/29788391/distinct-histopathologic-and-molecular-alterations-in-inflammatory-bowel-disease-associated-intestinal-adenocarcinoma-c-myc-amplification-is-common-and-associated-with-mucinous-signet-ring-cell-differentiation
#18
Douglas J Hartman, David G Binion, Miguel D Regueiro, Caitlyn Miller, Cameron Herbst, Reetesh K Pai
Background: Chronic idiopathic inflammatory bowel disease (IBD) is a significant risk factor for the development of intestinal adenocarcinoma. The underlying molecular alterations in IBD-associated intestinal adenocarcinoma remain largely unknown. Methods: We compared the clinicopathologic and molecular features of 35 patients with 47 IBD-associated intestinal adenocarcinomas with a consecutive series of 451 patients with sporadic colorectal carcinoma identified at our institution and published data on sporadic colorectal carcinoma...
May 17, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788137/inflammatory-bowel-disease-telemedicine-clinical-trial-impact-of-educational-text-messages-on-disease-specific-knowledge-over-1-year
#19
Ameer Abutaleb, Andrea Buchwald, Kenechukwu Chudy-Onwugaje, Patricia Langenberg, Miguel Regueiro, David A Schwartz, J Kathleen Tracy, Leyla Ghazi, Seema A Patil, Sandra M Quezada, Katharine M Russman, Charlene C Quinn, Guruprasad Jambaulikar, Dawn B Beaulieu, Sara Horst, Raymond K Cross
Background: Effective treatments are available for patients with inflammatory bowel disease (IBD); however, suboptimal outcomes occur and are often linked to patients' limited disease knowledge. The aim of this analysis was to determine if delivery of educational messages through a telemedicine system improves IBD knowledge. Methods: TELEmedicine for Patients with IBD (TELE-IBD) was a randomized controlled trial with visits at baseline, 6 months, and 12 months; patient knowledge was a secondary aim of the study...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29788072/mathematical-models-for-predicting-development-of-orius-majusculus-heteroptera-anthocoridae-and-its-applicability-to-biological-control
#20
Héctor Martínez-García, Miguel Aragón-Sánchez, María G Sáenz-Romo, Luis R Román-Fernández, Ariadna Veas-Bernal, Vicente S Marco-Mancebón, Ignacio Pérez-Moreno
Complete development of Orius majusculus Reuter (Heteroptera: Anthocoridae) at nine constant temperatures, between 12 and 34°C, was evaluated under laboratory conditions. The maximum developmental period of 90.75 d occurred at 12°C, whereas the minimum of 11.34 d occurred at 30°C. From 30 to 34°C, the developmental period increased to 13.50 d. Between 21 and 33°C the survival rate was more than 80%. The optimal temperature when considering developmental rate and survival was between 24 and 30°C. At constant temperatures, four models were developed, one of which was linear and three nonlinear (Logan type III, Lactin, and Brière)...
May 19, 2018: Journal of Economic Entomology
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