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https://www.readbyqxmd.com/read/28079396/does-brain-creatine-content-rely-on-exogenous-creatine-in-healthy-youth-a-proof-of-principle-study
#1
Carlos Alberto Abujabra Merege-Filho, Maria Concepción Garcia Otaduy, Ana Lúcia de Sá-Pinto, Maira Okada de Oliveira, Lívia de Souza Gonçalves, Ana Paula Tanaka Hayashi, Hamilton Roschel, Rosa Maria Rodrigues Pereira, Clovis Artur Silva, Sonia Maria Dozzi Brucki, Claudia da Costa Leite, Bruno Gualano
It has been hypothesized that dietary creatine could influence cognitive performance by increasing brain creatine in developing individuals. This double-blind, randomized, placebo-controlled, proof-of-principle study aimed to investigate the effects of creatine supplementation on cognitive function and brain creatine content in healthy youth. The sample comprised 67 healthy participants aged 10 to 12 years. The participants were given creatine or placebo supplementation for 7 days. At baseline and after the intervention, participants undertook a battery of cognitive tests...
October 5, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28078820/improvement-of-the-in-vivo-cellular-repopulation-of-decellularized-cardiovascular-tissues-by-a-detergent-free-non-proteolytic-actin-disassembling-regimen
#2
Alexander Assmann, Marc Struß, Franziska Schiffer, Friederike Heidelberg, Hiroshi Munakata, Elena V Timchenko, Pavel E Timchenko, Tim Kaufmann, Khon Huynh, Yukiharu Sugimura, Quentin Leidl, Antonio Pinto, Volker R Stoldt, Artur Lichtenberg, Payam Akhyari
Low immunogenicity and high repopulation capacity are crucial determinants for the functional and structural performance of acellular cardiovascular implants. The present study evaluates a detergent-free, non-proteolytic, actin-disassembling regimen (BIO) for decellularization of heart valve and vessel grafts, particularly focusing on their bio-functionality. Rat aortic conduits (rAoC; n = 89) and porcine aortic valve samples (n = 106) are decellularized using detergents (group DET) or the BIO regimen...
January 11, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28077819/association-between-blood-transfusions-and-12-month-mortality-after-transcatheter-aortic-valve-implantation
#3
Pawel Kleczynski, Artur Dziewierz, Maciej Bagienski, Lukasz Rzeszutko, Danuta Sorysz, Jaroslaw Trebacz, Robert Sobczynski, Marek Tomala, Maciej Stapor, Dariusz Dudek
Blood transfusions are considered as an important predictor of adverse outcome in patients with severe aortic (AS) undergoing transcatheter aortic valve implantation (TAVI). We sought to investigate the association between blood transfusions and mortality after TAVI. We enrolled 101 consecutive patients with severe AS undergoing TAVI. Patients who required transfusion were defined as patients in whom at least one unit of packed red blood cells (PRBCs) was transfused in the perioperative period. Twelve-month outcomes were assessed based on Valve Academic Research Consortium definitions...
January 11, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28076623/low-cost-simulator-for-heart-surgery-training
#4
Roberto Rocha E Silva, Artur Lourenção, Maxim Goncharov, Fabio B Jatene
Objective: Introduce the low-cost and easy to purchase simulator without biological material so that any institution may promote extensive cardiovascular surgery training both in a hospital setting and at home without large budgets. Methods: A transparent plastic box is placed in a wooden frame, which is held by the edges using elastic bands, with the bottom turned upwards, where an oval opening is made, "simulating" a thoracotomy. For basic exercises in the aorta, the model presented by our service in the 2015 Brazilian Congress of Cardiovascular Surgery: a silicone ice tray, where one can train to make aortic purse-string suture, aortotomy, aortorrhaphy and proximal and distal anastomoses...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28076340/telomere-length-assessment-for-prediction-of-organ-transplantation-outcome-future-or-failure-a-review-of-the-literature
#5
Karolina Kłoda, Leszek Domański, Artur Mierzecki
Telomeres are located at each end of eukaryotic chromosomes. Their functional role is genomic stability maintenance. The protective role of telomeres depends on various factors, including number of nucleotides repeats, telomere-binding proteins, and telomerase activity. Organ transplantation is the preferred replacement therapy in the case of chronic kidney disease and the only possibility of sustaining recipients' life in the case of advanced liver failure. While the prevalence of acute rejection is constantly decreasing, prevention of transplanted organ long-term function loss is still challenging...
January 11, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28075417/enriching-mental-health-mobile-assessment-and-intervention-with-situation-awareness
#6
Ariel Soares Teles, Artur Rocha, Francisco José da Silva E Silva, João Correia Lopes, Donal O'Sullivan, Pepijn Van de Ven, Markus Endler
Current mobile devices allow the execution of sophisticated applications with the capacity for identifying the user situation, which can be helpful in treatments of mental disorders. In this paper, we present SituMan, a solution that provides situation awareness to MoodBuster, an ecological momentary assessment and intervention mobile application used to request self-assessments from patients in depression treatments. SituMan has a fuzzy inference engine to identify patient situations using context data gathered from the sensors embedded in mobile devices...
January 10, 2017: Sensors
https://www.readbyqxmd.com/read/28071705/digestive-and-appendicular-soft-parts-with-behavioural-implications-in-a-large-ordovician-trilobite-from-the-fezouata-lagerst%C3%A3-tte-morocco
#7
Juan C Gutiérrez-Marco, Diego C García-Bellido, Isabel Rábano, Artur A Sá
Trilobites were one of the most successful groups of marine arthropods during the Palaeozoic era, yet their soft-part anatomy is only known from a few exceptionally-preserved specimens found in a handful of localities from the Cambrian to the Devonian. This is because, even if the sclerotized appendages were not destroyed during early taphonomic stages, they are often overprinted by the three-dimensional, mineralised exoskeleton. Inferences about the ventral anatomy and behavioural activities of trilobites can also be derived from the ichnological record, which suggests that most Cruziana and Rusophycus trace fossils were possibly produced by the actions of trilobites...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070763/uveitis-in-childhood-onset-systemic-lupus-erythematosus-patients-a-multicenter-survey
#8
Paola Pinheiro Kahwage, Mariana Paes Leme Ferriani, João M Furtado, Luciana Martins de Carvalho, Gecilmara Salviato Pileggi, Francisco Hugo Rodrigues Gomes, Maria Teresa Terreri, Claudia Saad Magalhães, Rosa Maria Rodrigues Pereira, Silvana Brasilia Sacchetti, Roberto Marini, Eloisa Bonfá, Clovis Artur Silva, Virgínia Paes Leme Ferriani
The aim of this study is to assess uveitis prevalence in a large cohort of childhood-onset systemic lupus erythematosus (cSLE) patients. A retrospective multicenter cohort study including 852 cSLE patients was performed in ten pediatric rheumatology centers (Brazilian cSLE group). An investigator meeting was held and all participants received database training. Uveitis was diagnosed through clinical assessment by the uveitis expert ophthalmologist of each center. Patients with and without uveitis were assessed for lupus clinical/laboratory features and treatments...
January 9, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28069964/task-specific-reorganization-of-the-auditory-cortex-in-deaf-humans
#9
Łukasz Bola, Maria Zimmermann, Piotr Mostowski, Katarzyna Jednoróg, Artur Marchewka, Paweł Rutkowski, Marcin Szwed
The principles that guide large-scale cortical reorganization remain unclear. In the blind, several visual regions preserve their task specificity; ventral visual areas, for example, become engaged in auditory and tactile object-recognition tasks. It remains open whether task-specific reorganization is unique to the visual cortex or, alternatively, whether this kind of plasticity is a general principle applying to other cortical areas. Auditory areas can become recruited for visual and tactile input in the deaf...
January 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28068570/treatment-of-actual-effluents-produced-in-the-manufacturing-of-atrazine-by-a-photo-electrolytic-process
#10
José M Aquino, Douglas W Miwa, Manuel A Rodrigo, Artur J Motheo
The photo-assisted electrochemical degradation of a real effluent of the atrazine manufacturing process containing atrazine, simazine, hydroxy-triazine and propazine was carried out galvanostatically using a pilot-scale tubular flow reactor prototype containing DSA(®) and Ti as cathode. The effluent was mainly characterized by a high amount of NaCl, required in the synthesis route used, and it was used as taken in the factory. The variables for process optimization were the current density (3.0, 6.0, and 9...
January 2, 2017: Chemosphere
https://www.readbyqxmd.com/read/28067592/sociodemographic-factors-differentiating-the-consumer-and-the-motivations-for-functional-food-consumption
#11
Artur Kraus, Azzurra Annunziata, Riccardo Vecchio
OBJECTIVE: The aim of this study was to determine the (1) role of gender, age, and education in the evaluation of multidimensional criteria of the purchase of functional products, which were (a) quality and organoleptic attributes, (b) attributes of packaging and labeling, (c) healthful properties, (d) functional components, (e) base product (carrier) and (2) most important motives for the purchase and consumption of functional food among consumers of different sociodemographic profiles...
January 9, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28062211/endosomal-toll-like-receptor-gene-polymorphisms-and-susceptibility-to-hiv-and-hcv-co-infection-differential-influence-in-individuals-with-distinct-ethnic-background
#12
Jacqueline M Valverde-Villegas, Bruno Paiva Dos Santos, Rúbia Marília de Medeiros, Vanessa Suñé Mattevi, Rosmeri Kuhmmer Lazzaretti, Eduardo Sprinz, Regina Kuhmmer, José Artur Bogo Chies
The genetic background of human populations can influence the susceptibility and outcome of infection diseases. Toll-like receptors (TLRs) have been previously associated with susceptibility to human immunodeficiency virus (HIV) infection, disease progression and hepatitis C, virus (HCV) co-infection in different populations, although mostly in Europeans. In this study, we investigated the genetic role of endosomal TLRs on susceptibility to HIV infection and HCV co-infection through the analysis of TLR7 rs179008, TLR8 rs3764880, TLR9 rs5743836 and TLR9 rs352140 polymorphisms in 789 Brazilian individuals (374 HIV+ and 415 HIV-), taking into account their ethnic background...
January 3, 2017: Human Immunology
https://www.readbyqxmd.com/read/28060699/portuguese-position-paper-on-the-use-of-biosimilars-in-psoriasis
#13
Tiago Torres, Ana Ferreira, Paulo Ferreira, Martinha Henriques, Luiz Leite, Sofia Magina, Gabriela Marques Pinto, Hugo Oliveira, Artur Sousa Basto, Rui Tavares Bello, Paulo Varela, António Massa, Manuela Selores, Paulo Filipe
No abstract text is available yet for this article.
September 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28058536/diversity-of-cryptosporidium-species-occurring-in-sheep-and-goat-breeds-reared-in-poland
#14
Agnieszka Kaupke, Mirosław M Michalski, Artur Rzeżutka
The aim of this study was molecular identification of Cryptosporidium species and assessment of their prevalence in different breeds of sheep and goat reared in Poland. In addition, the relationship between animal age, breed type, and the frequency of Cryptosporidium infections was determined. Fecal samples from 234 lambs and 105 goat kids aged up to 9 weeks, representing 24 breeds and their cross-breeds were collected from 71 small ruminant farms across Poland. The identification of Cryptosporidium species was performed at the 18 SSU ribosomal RNA (rRNA) and COWP loci followed by subtyping of C...
January 5, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28052184/a-new-look-for-actadv-with-more-rapid-publication
#15
Anders Vahlquist, Artur Schmidtchen, Agneta Andersson
is missing (Editorial).
January 4, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28050885/results-of-an-international-postmarketing-surveillance-study-of-pl-vegf165-safety-and-efficacy-in-210-patients-with-peripheral-arterial-disease
#16
Roman Deev, Igor Plaksa, Ilia Bozo, Artur Isaev
INTRODUCTION: The effective treatment of chronic lower limb ischemia is one of the most challenging issues confronting vascular surgeons. Current pharmacological therapies play an auxiliary role and cannot prevent disease progression, and new treatment methods are needed. pl-VEGF165, a gene therapy drug, was approved in Russia for the treatment of atherosclerotic peripheral arterial disease (PAD) after clinical studies in 2011. The study drug is an original gene construction in which pl-VEGF165 1...
January 3, 2017: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/28049322/localized-operator-partitioning-method-for-electronic-excitation-energies-in-the-time-dependent-density-functional-formalism
#17
Jayashree Nagesh, Michael J Frisch, Paul Brumer, Artur F Izmaylov
We extend the localized operator partitioning method (LOPM) [J. Nagesh, A. F. Izmaylov, and P. Brumer, J. Chem. Phys. 142, 084114 (2015)] to the time-dependent density functional theory framework to partition molecular electronic energies of excited states in a rigorous manner. A molecular fragment is defined as a collection of atoms using Becke's atomic partitioning. A numerically efficient scheme for evaluating the fragment excitation energy is derived employing a resolution of the identity to preserve standard one- and two-electron integrals in the final expressions...
December 28, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28042939/oral-fluid-as-a-biological-material-for-ante-mortem-detection-of-oxytetracycline-in-pigs-by-liquid-chromatography-tandem-mass-spectrometry
#18
Anna Gajda, Artur Jablonski, Tomasz Bladek, Andrzej Posyniak
The presence of antibiotic residues in pig tissues, urges the search of new methods to their ante-mortem detection. To find an alternative for post-mortem pig carcass analysis, an oral fluid was tested. To prove the suitability of oral fluid for the detection of antibiotics administered by injection, oxytetracycline (OTC) was chosen. Research was conducted on two groups of animals: group 1 - 100% pigs treated and group 2- 50% pigs treated and 50 % pigs untreated. OTC was assayed by high performance liquid chromatography - tandem mass spectrometry method...
January 2, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28041964/association-between-dna-methyltransferase-gene-polymorphism-and-parkinson-s-disease
#19
Julio Carlos Pezzi, Cintia Monique Boschmann Ens de Bem, Tatiane Jacobsen da Rocha, Artur F Schumacher-Schuh, Marcia Lorena Fagundes Chaves, Carlos Roberto Rieder, Mara H Hutz, Marilu Fiegenbaum, Ana Luiza Camozzato
Parkinson's disease (PD) is a common and complex neurodegenerative disorder, the second most prevalent, only behind Alzheimer's disease. Recent studies suggest that environmental factors may contribute for neurodegeneration through induction of epigenetic modifications, such as DNA methylation, that is carried out by enzymes, such as DNMT1 and DNMT3B. This present study targeted to investigate the association among DNMT1 and DNMT3B polymorphisms with PD. Five hundred and twenty-two participants (214 PD patients following UK Brain Bank criteria and 308 healthy individuals) were evaluated...
December 29, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/28040183/detection-of-premature-stop-codons-leading-to-truncated-internalin-a%C3%A2-among-food-and-clinical-strains-of-listeria-monocytogenes
#20
Margarida Ferreira da Silva, Vânia Ferreira, Rui Magalhães, Gonçalo Almeida, Artur Alves, Paula Teixeira
Listeria monocytogenes is a food-borne pathogen responsible for outbreaks and sporadic cases of listeriosis, a severe invasive disease. Internalin A (InlA) a protein encoded by inlA has a key role in the mechanism of pathogenesis in L. monocytogenes infection, specifically in the invasion of human intestinal epithelial cells. Studies on inlA have shown that mutations leading to premature stop codons (PMSCs) occur naturally and are associated with impaired virulence of L. monocytogenes strains. Increasing evidence suggests that inlA PMSCs mutations are frequent in strains from foods, but rare among clinical isolates...
May 2017: Food Microbiology
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