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https://www.readbyqxmd.com/read/28644941/the-use-of-the-cup-of-diogenes-and-ok-approach-for-carpal-tunnel-surgery
#1
Ahmadreza Afshar
No abstract text is available yet for this article.
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28589464/epsp-synthase-flexibility-is-determinant%C3%A2-to-its-function-computational-molecular-dynamics-and-metadynamics-studies
#2
Luís Fernando Saraiva Macedo Timmers, Antônio M S Neto, Rinaldo W Montalvão, Luiz A Basso, Diógenes S Santos, Osmar Norberto de Souza
Flexibility is involved in a wide range of biological processes, such as protein assembly and binding recognition. EPSP synthase is an enzyme that must undergo a large conformational change to accommodate its ligands into its binding cavity. However, although the structure of EPSP synthase has been determined, its plasticity has not been explored in depth. Therefore, in this work, we extensively examined the influence of the flexibility of Mycobacterium tuberculosis EPSP (MtEPSP) synthase on the function of this protein using classical and replica-exchange metadynamics simulations...
July 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28587910/evaluation-of-tetrodotoxins-in-puffer-fish-caught-along-the-mediterranean-coast-of-spain-toxin-profile-of-lagocephalus-sceleratus
#3
Maria Rambla-Alegre, Laia Reverté, Vanessa Del Río, Pablo de la Iglesia, Oscar Palacios, Cintia Flores, Josep Caixach, Katrina Campbell, Christopher T Elliott, Andrés Izquierdo-Muñoz, Mònica Campàs, Jorge Diogène
Although consumption of Tetraodontidae species is prohibited in the EU, intoxications are still reported. The evaluation of tetrodotoxins (TTXs) by mass spectrometry (LC-MS/MS and LC-HRMS) and a screening immunoassay (mELISA) in tetraodontid fishes caught along the Western Mediterranean Sea revealed high concentrations of TTXs in Lagocephalus sceleratus while no TTXs were identified in L. lagocephalus and Sphoeroides pachygaster individuals. The high TTXs content found in the L. sceleratus analysed herein demonstrate the occurrence of highly toxic puffer fish in the Western Mediterranean Sea...
June 3, 2017: Environmental Research
https://www.readbyqxmd.com/read/28578888/comparative-evaluation-of-chemotactic-factor-effect-on-migration-and-differentiation-of-stem-cells-of-the-apical-papilla
#4
Sara Fayazi, Koyo Takimoto, Anibal Diogenes
INTRODUCTION: Cell homing strategies could potentially be used in regenerative endodontic procedures (REPs) to promote the progressive coronal migration of stem cells, including stem cells of the apical papilla (SCAPs), along with formation of a new vascular network without the need for intentional apical trauma and intracanal bleeding. Although many chemotactic factors have been investigated for different mesenchymal stem cells, their effect on SCAP migration and differentiation is not fully understood...
June 1, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28577961/histologic-evaluation-of-regenerative-endodontic-procedures-with-the-use-of-chitosan-scaffolds-in-immature-dog-teeth-with-apical-periodontitis
#5
Paulo J Palma, João C Ramos, João B Martins, Anibal Diogenes, Maria H Figueiredo, Paula Ferreira, Carlos Viegas, João M Santos
INTRODUCTION: The aim of this study was to evaluate histologically the newly formed tissues after regenerative endodontic procedures (REPs) in dogs using either a blood clot (BC) or 2 different formulations of a chitosan hydrogel as scaffolds. METHODS: Apical periodontitis was induced by inoculating immature teeth with oral plaque in 4 beagle dogs. Teeth (n = 96) were divided into 2 control (n = 20) and 4 test groups (n = 76) according to the treatment: apexification and REPs with BC, sodium hyaluronate:chitosan (HA:CS) scaffolds, or pectin:chitosan (P:CS) scaffolds...
May 31, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28577494/antibacterial-modulatory-activity-of-antibiotics-and-toxicity-from-rhinella-jimi-stevaux-2002-anura-bufonidae-glandular-secretions
#6
Débora Lima Sales, Maria Flaviana Bezerra Morais-Braga, Antonia Thassya Lucas Dos Santos, Antonio Judson Targino Machado, João Antonio de Araujo Filho, Diógenes de Queiroz Dias, Francisco Assis Bezerra da Cunha, Rogério de Aquino Saraiva, Irwin Rose Alencar de Menezes, Henrique Douglas Melo Coutinho, José Galberto Martins Costa, Felipe Silva Ferreira, Rômulo Romeu da Nóbrega Alves, Waltécio de Oliveira Almeida
The increase in microorganisms with resistance to medications has caused a strong preoccupation within the medical and scientific community. Animal toxins studies, such as parotoid glandular secretions from amphibians, possesses a great potential in the development of drugs, such as antimicrobials, as these possess bioactive compounds. It was evaluated Rhinella jimi (Stevaux, 2002) glandular secretions against standard and multi-resistant bacterial strains; the effect of secretions combined with drugs; and determined the toxicity using two biologic in vivo models, and a in vitro model with mice livers...
May 31, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28538774/influence-of-the-ventilatory-mode-on-acute-adverse-effects-and-facial-thermography-after-noninvasive-ventilation
#7
Suzy Maria Montenegro Pontes, Luiz Henrique de Paula Melo, Nathalia Parente de Sousa Maia, Andrea da Nóbrega Cirino Nogueira, Thiago Brasileiro Vasconcelos, Eanes Delgado Barros Pereira, Vasco Pinheiro Diógenes Bastos, Marcelo Alcantara Holanda
Objective: To compare the incidence and intensity of acute adverse effects and the variation in the temperature of facial skin by thermography after the use of noninvasive ventilation (NIV). Methods: We included 20 healthy volunteers receiving NIV via oronasal mask for 1 h. The volunteers were randomly divided into two groups according to the ventilatory mode: bilevel positive airway pressure (BiPAP) or continuous positive airway pressure (CPAP). Facial thermography was performed in order to determine the temperature of the face where it was in contact with the mask and of the nasal dorsum at various time points...
March 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/28514833/antinociceptive-effect-of-%C3%AE-bisabolol-in-nanocapsules
#8
Gisele Façanha Diógenes Teixeira, Antonio Eufrásio Vieira-Neto, Flávio Nogueira da Costa, Angelo Roncalli Alves E Silva, Adriana Rolim Campos
This study aimed to develop and to evaluate the antinociceptive effect of a drug delivery system containing (-)-α-bisabolol (BISA). Nanocapsules containing BISA (BISA-NC) were prepared using acetylated galatomannan. Particle size distribution was determined by atomic force microscopy, zeta potential measurement and photon correlation spectroscopy. Corneal nociception was induced by topical application of 5M NaCl and the nociceptive behavior was characterized by eye wiping in mice. Molecular docking was conducted on the TRPV1 channel...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28507514/markovian-analysis-of-the-sequential-behavior-of-the-spontaneous-spinal-cord-dorsum-potentials-induced-by-acute-nociceptive-stimulation-in-the-anesthetized-cat
#9
Mario Martin, Javier Béjar, Gennaro Esposito, Diógenes Chávez, Enrique Contreras-Hernández, Silvio Glusman, Ulises Cortés, Pablo Rudomín
In a previous study we developed a Machine Learning procedure for the automatic identification and classification of spontaneous cord dorsum potentials (CDPs). This study further supported the proposal that in the anesthetized cat, the spontaneous CDPs recorded from different lumbar spinal segments are generated by a distributed network of dorsal horn neurons with structured (non-random) patterns of functional connectivity and that these configurations can be changed to other non-random and stable configurations after the noceptive stimulation produced by the intradermic injection of capsaicin in the anesthetized cat...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28468666/cat-rodent-toxoplasma-gondii-type-ii-variant-circulation-and-limited-genetic-diversity-on-the-island-of-fernando-de-noronha-brazil
#10
Jean Carlos Ramos Silva, Fernando Ferreira, Ricardo Augusto Dias, Daniel Ajzenberg, Maria Fernanda Vianna Marvulo, Fernando Jorge Rodrigues Magalhães, Carlos Diógenes Ferreira Lima Filho, Solange Oliveira, Herbert Sousa Soares, Thais Ferreira Feitosa, Juliana Aizawa, Leucio Câmara Alves, Rinaldo Aparecido Mota, Jitender Prakask Dubey, Solange Maria Gennari, Hilda Fátima Jesus Pena
BACKGROUND: In Brazil, studies on animals and humans in mainland areas have shown that most strains of Toxoplasma gondii are pathogenic to mice and exhibit great genetic variability. RESULTS: In this study, using a set of 11 PCR-RFLP and 15 microsatellite markers, we isolated and genetically characterised T. gondii strains from one cat and three rats on Fernando de Noronha Island. The cat had antibodies to T. gondii, which were revealed using a modified agglutination test (MAT, cut-off 1:25) and the seroprevalence among the 46 rodents was 15...
May 3, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28444062/prognostic-value-of-coronary-flow-reserve-obtained-on-dobutamine-stress-echocardiography-and-its-correlation-with-target-heart-rate
#11
José Sebastião de Abreu, Eduardo Arrais Rocha, Isadora Sucupira Machado, Isabelle O Parahyba, Thais Brito Rocha, Fernando José Villar Nogueira Paes, Tereza Cristina Pinheiro Diogenes, Marília Esther Benevides de Abreu, Ana Gardenia Liberato Ponte Farias, Marcia Maria Carneiro, José Nogueira Paes
Background: Normal coronary flow velocity reserve (CFVR) (≥ 2) obtained in the left anterior descending coronary artery (LAD) from transthoracic echocardiography is associated with a good prognosis, but there is no study correlating CFVR with submaximal target heart rate (HR). Objective: To evaluate the prognostic value of CFVR obtained in the LAD of patients with preserved (>50%) left ventricular ejection fraction (LVEF) who completed a dobutamine stress echocardiography (DSE), considering target HR...
May 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28436453/functional-thermodynamics-structural-and-biological-studies-of-in-silico-identified-inhibitors-of-mycobacterium-tuberculosis-enoyl-acp-coa-reductase-enzyme
#12
Leonardo K B Martinelli, Mariane Rotta, Anne D Villela, Valnês S Rodrigues-Junior, Bruno L Abbadi, Rogério V Trindade, Guilherme O Petersen, Giuliano M Danesi, Laura R Nery, Ivani Pauli, Maria M Campos, Carla D Bonan, Osmar Norberto de Souza, Luiz A Basso, Diogenes S Santos
Novel chemotherapeutics agents are needed to kill Mycobacterium tuberculosis, the main causative agent of tuberculosis (TB). The M. tuberculosis 2-trans-enoyl-ACP(CoA) reductase enzyme (MtInhA) is the druggable bona fide target of isoniazid. New chemotypes were previously identified by two in silico approaches as potential ligands to MtInhA. The inhibition mode was determined by steady-state kinetics for seven compounds that inhibited MtInhA activity. Dissociation constant values at different temperatures were determined by protein fluorescence spectroscopy...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28416302/effect-of-bacterial-biofilm-on-the-osteogenic-differentiation-of-stem-cells-of-apical-papilla
#13
Lakshmi Vishwanat, Rose Duong, Koyo Takimoto, Linda Phillips, Claudia O Espitia, Anibal Diogenes, Shivani B Ruparel, David Kolodrubetz, Nikita B Ruparel
INTRODUCTION: Although clinical success in regenerative endodontics is substantially high, histological success is limited to finding bone/cementum-like tissue instead of dentin within the canal space. The aims of this study were to investigate (1) the effect of bacterial biofilm on osteogenic gene expression in stem cells of the apical papilla (SCAP) and (2) the effect of bacterial antigens on the functional differentiation of SCAP into a mineralizing phenotype. METHODS: Using an ex vivo organotypic root canal model and an American Association of Endontists-recommended regenerative endodontic procedures, we evaluated SCAP differentiation in the presence and absence of an Enterococcus faecalis biofilm...
April 14, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28415084/p260right-cardiac-chambers-remodeling-in-marathon-and-ultra-trail-athletes-detected-by-speckle-tracking-echocardiography
#14
K Ujka, R M Bruno, B Catuzzo, L Bastiani, A Tonacci, G D'angelo, S Mrakic-Sposta, A Vezzoli, G Giardini, L Pratali
Background: Strenuous and chronic exercise training can have detrimental effects on cardiac morphology and function. Our aim was to evaluate the cardiac adaptation between 2 different specialties' endurance athletes: marathon runners (M) and ultra-trailers (UT). Methods: 47 M (age 45±7, men 32; training: 18 (9-53) years*days/week), 41 UT (age 42±9, men 38, training: 30 (15-66) years*days/week) were submitted in rest condition to conventional 2D echocardiography and Speckle-Tracking echo (STE) (Beyond Diogenes 2...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28400261/involvement-of-astrocytic-cyp1a1-isoform-in-the-metabolism-and-toxicity-of-the-alkaloid-pyrrolizidine-monocrotaline
#15
Ravena P Nascimento, Joana L Oliveira, José Leilton C Carvalho, William A Santos, Thyago Rubens C Pires, Maria José M Batatinha, Ramon S El-Bachá, Victor Diógenes A Silva, Silvia L Costa
Monocrotaline (MCT) and its pyrrole derivative, dehydromonocrotaline (DHMC), interact with molecular targets in cells of the central nervous system. DHMC presents higher toxicity than MCT indicating that its metabolism of MCT is a critical step of this alkaloid toxicity. This study sought to elucidate the metabolism and the toxicity of MCT in C6 astrocyte cell line and primary cultures of rat astrocytes by investigating metabolic enzymatic mechanisms of the cytochrome P450 (CYP) system and conjugation with glutathione...
April 8, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28392416/aminochrome-induces-microglia-and-astrocyte-activation
#16
Cleonice C Santos, Fillipe M Araújo, Rafael S Ferreira, Vanessa B Silva, Juliana H C Silva, Maria S Grangeiro, Érica N Soares, Érica Patricia L Pereira, Cleide S Souza, Silvia L Costa, Juan Segura-Aguilar, Victor Diogenes A Silva
Aminochrome has been suggested as a more physiological preclinical model capable of inducing five of the six mechanisms of Parkinson's Disease (PD). Until now, there is no evidence that aminochrome induces glial activation related to neuroinflammation, an important mechanism involved in the loss of dopaminergic neurons. In this study, the potential role of aminochrome on glial activation was studied in primary mesencephalic neuron-glia cultures and microglial primary culture from Wistar rats. We demonstrated that aminochrome induced a reduction in the number of viable cells on cultures exposed to concentration between 10 and 100μM...
April 6, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28390024/strategic-tillage-in-conservation-agricultural-systems-of-north-eastern-australia-why-where-when-and-how
#17
Yash Pal Dang, Anna Balzer, Mark Crawford, Vivian Rincon-Florez, Hongwei Liu, Alice Rowena Melland, Diogenes Antille, Shreevatsa Kodur, Michael John Bell, Jeremey Patrick Milroy Whish, Yunru Lai, Nikki Seymour, Lilia Costa Carvalhais, Peer Schenk
Farmers often resort to an occasional tillage (strategic tillage (ST)) operation to combat constraints of no-tillage (NT) farming systems. There are conflicting reports regarding impacts of ST and a lack of knowledge around when, where and how ST is implemented to maximise its benefits without impacting negatively on soil and environment. We established 14 experiments during 2012-2015 on farms with long-term history of continuous NT to (i) quantify the associated risks and benefits to crop productivity, soil and environmental health and (ii) explore key factors that need to be considered in decisions to implement ST in an otherwise NT system...
April 7, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28371297/the-differential-plasma-proteome-of-obese-and-overweight-individuals-undergoing-a-nutritional-weight-loss-and-maintenance-intervention
#18
Sergio Oller Moreno, Ornella Cominetti, Antonio Núñez Galindo, Irina Irincheeva, John Corthésy, Arne Astrup, Wim H M Saris, Jörg Hager, Martin Kussmann, Loïc Dayon
PURPOSE: The nutritional intervention program "DiOGenes" focuses on how obesity can be prevented and treated from a dietary perspective. We generated differential plasma proteome profiles in the DiOGenes cohort to identify proteins associated with weight loss and maintenance and explore their relation to body mass index, fat mass, insulin resistance, and sensitivity. EXPERIMENTAL DESIGN: Relative protein quantification was obtained at baseline and after combined weight loss/maintenance phases using isobaric tagging and MS/MS...
March 29, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28225907/characterisation-of-iunh-gene-knockout-strain-from-mycobacterium-tuberculosis
#19
Anne Drumond Villela, Valnês da Silva Rodrigues, Antônio Frederico Michel Pinto, Priscila Lamb Wink, Zilpa Adriana Sánchez-Quitian, Guilherme Oliveira Petersen, Maria Martha Campos, Luiz Augusto Basso, Diógenes Santiago Santos
BACKGROUND: Tuberculosis (TB) is an infectious disease caused mainly by the bacillus Mycobacterium tuberculosis. The better understanding of important metabolic pathways from M. tuberculosis can contribute to the development of novel therapeutic and prophylactic strategies to combat TB. Nucleoside hydrolase (MtIAGU-NH), encoded by iunH gene (Rv3393), is an enzyme from purine salvage pathway in M. tuberculosis. MtIAGU-NH accepts inosine, adenosine, guanosine, and uridine as substrates, which may point to a pivotal metabolic role...
March 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28214747/immunorecognition-magnetic-supports-for-the-development-of-an-electrochemical-immunoassay-for-azaspiracid-detection-in-mussels
#20
Sandra Leonardo, Maria Rambla-Alegre, Ingunn A Samdal, Christopher O Miles, Jane Kilcoyne, Jorge Diogène, Ciara K O'Sullivan, Mònica Campàs
As azaspiracids (AZAs) are being reported from the coastal waters of an increasing number of countries on a global scale, the need for rapid, simple and cost-effective methods to detect these marine toxins and protect seafood consumers' health is becoming evident. A magnetic bead (MB)-based direct immunoassay for the detection of AZAs, using protein G-coated MBs as supports for antibody immobilisation and peroxidase-labelled AZA as a tracer is detailed. A colorimetric approach was first developed to optimise the experimental parameters and establish the cross-reactivity factors for AZA-1-10...
June 15, 2017: Biosensors & Bioelectronics
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