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https://www.readbyqxmd.com/read/28392382/angiogenenic-effects-of-bplec-a-c-type-lectin-isolated-from-bothrops-pauloensis-snake-venom
#1
Letícia Eulalio Castanheira, Daiana Silva Lopes, Sarah Natalie Cirilo Gimenes, Simone Ramos Deconte, Bruno Antônio Ferreira, Patricia Terra Alves, Luiz Ricardo Goulart Filho, Tatiana Carla Tomiosso, Renata Santos Rodrigues, Kelly Aparecida Geraldo Yoneyama, Fernanda de Assis Araújo, Veridiana de Melo Rodrigues
The present work reports the effects of a C-type lectin (BpLec) isolated from Bothrops pauloensis snake venom upon in vitro and in vivo angiogenesis models. Initially, we noted that BpLec was not cytotoxic to endothelial cells (tEnd) in doses up to 40μg/mL, but lower doses (2.5μg/mL, 5μg/mL, 10μg/mL and 20μg/mL) reduced tEnd cells adhesion to some extracellular matrix proteins and inhibited the in vitro vessel formation in Matrigel assay stimulated by bFGF. β-galactosides (d-lactose, N-acetyl-d-galactosamine and d-galactose) at 400mM reversed the effect of BpLec on tEnd cells adhesion, whereas d-galactose (400mM) partially reversed BpLec property of inhibiting vessel formation by tEnd cells in Matrigel...
April 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28381354/1-25-dihydroxyvitamin-d3-prevents-deleterious-effects-of-homocysteine-on-mitochondrial-function-and-redox-status-in-heart-slices
#2
Aline Longoni, Janaina Kolling, Cassiana Siebert, João Paulo Dos Santos, Jussemara Souza da Silva, Letícia F Pettenuzzo, Leo Anderson Meira-Martins, Carlos-Alberto Gonçalves, Adriano M de Assis, Angela T S Wyse
Because homocysteine (Hcy) is a risk factor for cardiovascular disease, and vitamin D deficiency can contribute to cardiovascular pathologies. In the present study, we tested the hypothesis that Hcy could impair energy metabolism, mitochondrial function, and redox status in heart slices of Wistar rats and that 1,25-dihydroxivitamin D3 (calcitriol) treatment could prevent such effects. Heart slices were first pretreated with 3 different concentrations of calcitriol (50, 100, and 250nmol/L) for 30minutes at 37°C, after which Hcy was added to promote deleterious effects on metabolism...
February 2017: Nutrition Research
https://www.readbyqxmd.com/read/28376813/clinical-relevance-of-breast-and-gastric-cancer-associated-polymorphisms-as-potential-susceptibility-markers-for-oral-clefts-in-the-brazilian-population
#3
Renato Assis Machado, Edimilson Martins de Freitas, Sibele Nascimento de Aquino, Daniella Reis B Martelli, Mário Sérgio Oliveira Swerts, Silvia Regina de Almeida Reis, Darlene Camati Persuhn, Helenara Salvati Bertolossi Moreira, Verônica Oliveira Dias, Ricardo D Coletta, Hercílio Martelli-Júnior
BACKGROUND: Epidemiological studies have indicated a higher incidence of breast and gastric cancer in patients with nonsyndromic cleft lip with or without cleft palate (NSCL ± P) and their relatives, which can be based on similar genetic triggers segregated within family with NSCL ± P. METHODS: This multicenter study evaluated the association of 9 single nucleotide polymorphisms (SNP) in AXIN2 and CDH1, representing genes consistently altered in breast and gastric tumors, with NSCL ± P in 223 trios (father, mother and patient with NSCL ± P) by transmission disequilibrium test (TDT)...
April 4, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28368631/strain-gradient-position-mapping-of-semiconductor-quantum-dots
#4
P-L de Assis, I Yeo, A Gloppe, H A Nguyen, D Tumanov, E Dupont-Ferrier, N S Malik, E Dupuy, J Claudon, J-M Gérard, A Auffèves, O Arcizet, M Richard, J-Ph Poizat
We introduce a nondestructive method to determine the position of randomly distributed semiconductor quantum dots (QDs) integrated in a solid photonic structure. By setting the structure in an oscillating motion, we generate a large stress gradient across the QDs plane. We then exploit the fact that the QDs emission frequency is highly sensitive to the local material stress to map the position of QDs deeply embedded in a photonic wire antenna with an accuracy ranging from ±35  nm down to ±1  nm. In the context of fast developing quantum technologies, this technique can be generalized to different photonic nanostructures embedding any stress-sensitive quantum emitters...
March 17, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28361917/the-low-affinity-glucose-transporter-hxtb-is-also-involved-in-glucose-signalling-and-metabolism-in-aspergillus-nidulans
#5
Thaila Fernanda Dos Reis, Benjamin M Nitsche, Pollyne Borborema Almeida de Lima, Leandro José de Assis, Laura Mellado, Steven D Harris, Vera Meyer, Renato A Corrêa Dos Santos, Diego M Riaño-Pachón, Laure Nicolas Annick Ries, Gustavo H Goldman
One of the drawbacks during second-generation biofuel production from plant lignocellulosic biomass is the accumulation of glucose, the preferred carbon source of microorganisms, which causes the repression of hydrolytic enzyme secretion by industrially relevant filamentous fungi. Glucose sensing, subsequent transport and cellular signalling pathways have been barely elucidated in these organisms. This study therefore characterized the transcriptional response of the filamentous fungus Aspergillus nidulans to the presence of high and low glucose concentrations under continuous chemostat cultivation with the aim to identify novel factors involved in glucose sensing and signalling...
March 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28348495/role-of-illness-perception-and-self-efficacy-in-lifestyle-modification-among-non-alcoholic-fatty-liver-disease-patients
#6
Shira Zelber-Sagi, Shiran Bord, Gali Dror-Lavi, Matthew Lee Smith, Samuel D Towne, Assaf Buch, Muriel Webb, Hanny Yeshua, Assy Nimer, Oren Shibolet
AIM: To describe the relationships between non-alcoholic fatty-liver disease (NAFLD) patient's disease consequences and treatment perceptions, self-efficacy, and healthy lifestyle maintenance. METHODS: A cross-sectional study among 146 ultrasound diagnosed NAFLD patients who visited the fatty liver clinic at the Tel-Aviv Medical Center. Eighty-seven of these individuals, participated in a clinical trial of physical activity and underwent fasting blood tests, analyzed at the same lab...
March 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28338622/phosphodiesterase-inhibitors-as-a-therapeutic-approach-to-neuroprotection-and-repair
#7
REVIEW
Eric P Knott, Mazen Assi, Sudheendra N R Rao, Mousumi Ghosh, Damien D Pearse
A wide diversity of perturbations of the central nervous system (CNS) result in structural damage to the neuroarchitecture and cellular defects, which in turn are accompanied by neurological dysfunction and abortive endogenous neurorepair. Altering intracellular signaling pathways involved in inflammation and immune regulation, neural cell death, axon plasticity and remyelination has shown therapeutic benefit in experimental models of neurological disease and trauma. The second messengers, cyclic adenosine monophosphate (cyclic AMP) and cyclic guanosine monophosphate (cyclic GMP), are two such intracellular signaling targets, the elevation of which has produced beneficial cellular effects within a range of CNS pathologies...
March 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28278657/the-extraction-and-characterisation-of-a-polysaccharide-from-moniliophthora-perniciosa-ccmb-0257
#8
Gildomar L Valasques Junior, Elisangela F Boffo, Jener David G Santos, Hugo Neves Brandão, Artur J S Mascarenhas, Fernanda T Cruz, Sandra A Assis
The alpha-D-glucans are worldwide acknowledged as powerful immune system stimulants found in several sources; however, the fungal-derived sources appear to respond with higher activity. The present study has investigated polysaccharide production in Moniliophthora perniciosa. The dry biomass was subjected to thermal treatment in alkaline solution after fermentation. The biopolymers dissolved in this solution were precipitated after three volumes of absolute ethanol were added to the supernatant. The pure polysaccharide MPS1 was obtained through molecular exclusion chromatography using the Sephacryl S-200 column...
February 16, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28276501/major-shifts-at-the-range-edge-of-marine-forests-the-combined-effects-of-climate-changes-and-limited-dispersal
#9
J Assis, E Berecibar, B Claro, F Alberto, D Reed, P Raimondi, E A Serrão
Global climate change is likely to constrain low latitude range edges across many taxa and habitats. Such is the case for NE Atlantic marine macroalgal forests, important ecosystems whose main structuring species is the annual kelp Saccorhiza polyschides. We coupled ecological niche modelling with simulations of potential dispersal and delayed development stages to infer the major forces shaping range edges and to predict their dynamics. Models indicated that the southern limit is set by high winter temperatures above the physiological tolerance of overwintering microscopic stages and reduced upwelling during recruitment...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28275081/characterization-of-mirnas-expression-profiles-and-identification-of-potential-biomarkers-in-leprosy
#10
Karina T O S Jorge, Renan P Souza, Marieta T A Assis, Marcelo G Araújo, Massimo Locati, Amélia M R Jesus, Ida M F D Baptista, Cristiano X Lima, Antônio L Teixeira, Mauro M Teixeira, Frederico M Soriani
Leprosy is an important cause of disability in the developing world. Early diagnosis is essential to allow cure and interrupt transmission of this infection. MiRNAs are important factors for host-pathogen interaction and they have been identified as biomarkers for various infectious diseases. The expression profile of 377 microRNAs were analyzed by TaqMan Low Density Array (TLDA) in skin lesions of tuberculoid and lepromatous leprosy patients, as well as skin specimens from healthy controls. In a second step, sixteen microRNAs were selected for validation experiments with qRT-PCR in skin samples from new individuals...
March 8, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28266547/the-molecular-motor-myosin-va-interacts-with-the-cilia-centrosomal-protein-rpgrip1l
#11
L H P Assis, R M P Silva-Junior, L G Dolce, M R Alborghetti, R V Honorato, A F Z Nascimento, T D Melo-Hanchuk, D M Trindade, C C C Tonoli, C T Santos, P S L Oliveira, R E Larson, J Kobarg, E M Espreafico, P O Giuseppe, M T Murakami
Myosin Va (MyoVa) is an actin-based molecular motor abundantly found at the centrosome. However, the role of MyoVa at this organelle has been elusive due to the lack of evidence on interacting partners or functional data. Herein, we combined yeast two-hybrid screen, biochemical studies and cellular assays to demonstrate that MyoVa interacts with RPGRIP1L, a cilia-centrosomal protein that controls ciliary signaling and positioning. MyoVa binds to the C2 domains of RPGRIP1L via residues located near or in the Rab11a-binding site, a conserved site in the globular tail domain (GTD) from class V myosins...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28246175/symptoms-and-quality-of-life-in-patients-with-suspected-angina-undergoing-ct-coronary-angiography-a-randomised-controlled-trial
#12
Michelle C Williams, Amanda Hunter, Anoop Shah, Valentina Assi, Stephanie Lewis, Kenneth Mangion, Colin Berry, Nicholas A Boon, Elizabeth Clark, Marcus Flather, John Forbes, Scott McLean, Giles Roditi, Edwin Jr van Beek, Adam D Timmis, David E Newby
BACKGROUND: In patients with suspected angina pectoris, CT coronary angiography (CTCA) clarifies the diagnosis, directs appropriate investigations and therapies, and reduces clinical events. The effect on patient symptoms is currently unknown. METHODS: In a prospective open-label parallel group multicentre randomised controlled trial, 4146 patients with suspected angina due to coronary heart disease were randomised 1:1 to receive standard care or standard care plus CTCA...
February 28, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28236787/apigenin-7-o-glucoside-oxidation-catalyzed-by-p450-bioinspired-systems
#13
Lucas B Bolzon, Joicy S Dos Santos, Denise B Silva, Eduardo J Crevelin, Luiz A B Moraes, Norberto P Lopes, Marilda D Assis
Apigenin-7-O-glucoside (A7G) is the main flavonoid of Bidens gardneri Bak., a Brazilian plant with wide application in folk medicine. Despite the popular use of this plant, its biological effects are not completely known. This work tested the 5,10,15,20-tetrakis(pentafluorophenyl)porphyrin iron(III) and manganese(III) chloride (Fe(TFPP)Cl and Mn(TFPP)Cl), and Jacobsen's catalyst as P450-bioinspired catalysts for A7G oxidation by different oxidants (PhIO, H2O2, m-CPBA, and t-BuOOH). Up to nine different products were detected by HPLC analysis; Reactions with metalloporphyrin/PhIO systems afforded high catalytic conversions (58-89%)...
February 20, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28210027/klapp-method-effect-on-idiopathic-scoliosis-in-adolescents-blind-randomized-controlled-clinical-trial
#14
Diego De Sousa Dantas, Sanderson José Costa De Assis, Marina Pegoraro Baroni, Johnnatas Mikael Lopes, Enio Walker Azevedo Cacho, Roberta De Oliveira Cacho, Silvana Alves Pereira
[Purpose] To estimate the effect of Klapp method on idiopathic scoliosis in school students. [Subjects and Methods] A single-blind randomized clinical trial with 22 students randomly divided into intervention group (n=12) and inactive control group (n=10). Exercise protocol consisted of Klapp method, 20 sessions, three times a week for intervention group, and inactivity for control group. Dorsal muscle strength was measured by dynamometer; body asymmetries and gibbosity angles were measured by biophotogrammetry...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28177792/utilization-of-carbon-sources-by-clinical-isolates-of-aeromonas
#15
Karoline C Prediger, Monica Surek, Cibelle B Dallagassa, Flávia E A Assis, Mario S Piantavini, Emanuel M Souza, Fábio O Pedrosa, Sônia M S S Farah, Dayane Alberton, Cyntia M T Fadel-Picheth
Bacteria in the genus Aeromonas are primarily aquatic organisms; however, some species can cause diseases in humans, ranging from wound infections to septicemia, of which diarrhea is the most common condition. The ability to use a variety of carbon substrates is advantageous for pathogenic bacteria. Therefore, we used Biolog GN2 microplates to analyze the ability of 103 clinical, predominantly diarrheal, isolates of Aeromonas to use various carbon sources, and we verified whether, among the substrates metabolized by these strains, there were some endogenous to the human intestine...
April 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28169217/complete-or-incomplete-coronary-revascularization-in-patients-with-myocardial-infarction-and-multivessel-disease-a-propensity-score-analysis-from-the-real-life-bleemacs-bleeding-complications-in-a-multicenter-registry-of-patients-discharged-with-diagnosis-of
#16
Giorgio Quadri, Fabrizio D Ascenzo, Claudio Moretti, Maurizio D'Amico, Sergio Raposeiras-Roubín, Emad Abu-Assi, Jose Paulo Simao Henriques, Jorge Saucedo, José Ramón González-Juanatey, Stephen B Wilton, Wouter J Kikkert, Iván Nuñez-Gil, Albert Ariza-Sole, Xiantao Song, Dimitrios Alexopoulos, Christoph Liebetrau, Tetsuma Kawaji, Zenon Huczek, Shao-Ping Nie, Toshiharu Fujii, Luis Correia, Masa-Aki Kawashiri, José María García-Acuña, Danielle Southern, Emilio Alfonso, Belén Terol, Alberto Garay, Dongfeng Zhang, Yalei Chen, Ioanna Xanthopoulou, Neriman Osman, Helge Möllmann, Hiroki Shiomi, Pierluigi Omedè, Antonio Montefusco, Francesca Giordana, Silvia Scarano, Michal Kowara, Krzysztof Filipiak, Xiao Wang, Yan Yan, Jing-Yao Fan, Yuji Ikari, Takuya Nakahashi, Kenji Sakata, Masakazu Yamagishi, Oliver Kalpak, Sasko Kedev, Ferdinando Varbella, Fiorenzo Gaita
AIMS: The benefit of complete or incomplete percutaneous coronary intervention (PCI) in patients with myocardial infarction and multivessel disease remains debated. METHODS AND RESULTS: We conducted a multicenter study including all patients with myocardial infarction and multivessel coronary disease included in the BleeMACS (Bleeding complications in a Multicenter registry of patients discharged with diagnosis of Acute Coronary Syndrome) registry. They were divided in two groups: Complete revascularization (CR) and Incomplete Revascularization (IR)...
February 7, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28155742/-evaluation-of-introduction-of-the-haemophilus-influenzae-vaccine-in-c-244-te-160-d-8217-ivoire
#17
Kévin Sylvestre Yohou, Nicaise Lepri Aka, Soualihou Noufe, Alfred Douba, Bernard Assi Assi, Simplice N Cho Dagnan
Evaluation of the introduction of Haemophilus influenzae type b vaccine highlights the strengths and weaknesses of the health system and provides lessons for the introduction of other vaccines into the expanded programme on immunization.</ce:para>.
November 25, 2016: Santé Publique: Revue Multidisciplinaire Pour la Recherche et L'action
https://www.readbyqxmd.com/read/28106285/inhibition-of-immune-responses-and-related-proteins-in-rhamdia-quelen-exposed-to-diclofenac
#18
João L C Ribas, James P Sherry, Aleksander R Zampronio, Helena C Silva de Assis, Denina B D Simmons
Nonsteroidal anti-inflammatory drugs are among the most widely detected pharmaceuticals in surface water worldwide. The nonsteroidal anti-inflammatory drug diclofenac is used to treat many types of pain and inflammation. Diclofenac's potential to cause adverse effects in exposed wildlife is a growing concern. To evaluate the effects of waterborne diclofenac on the immune response in Rhamdia quelen (South American catfish), fish were exposed to 3 concentrations of diclofenac (0.2, 2.0, and 20.0 μg/L) for 14 d...
January 20, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28094048/optimization-of-the-skimmed-milk-flocculation-method-for-recovery-of-adenovirus-from-sludge
#19
Andrêssa S F Assis, Marcelo Henrique Otenio, Betânia P Drumond, Tulio M Fumian, Marize P Miagostovich, Maria Luzia da Rosa E Silva
Return of treated sludge to the environment poses concerns and has stimulated the development of studies on viral monitoring in this matrix, in order to assess its potential risks for public health. Human adenovirus (HAdV) has been identified as a putative viral marker of faecal contamination due to its stability and resistance to the sewage treatment process. The aim of this study was to optimize the organic flocculation procedure in order to establish an appropriate methodology for HAdV recovery from sewage sludge samples...
January 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28072925/impact-of-low-and-high-doses-of-marbofloxacin-on-the-selection-of-resistant-enterobacteriaceae-in-the-commensal-gut-flora-of-young-cattle-discussion-of-data-from-2-study-populations
#20
Guillaume Lhermie, Véronique Dupouy, Farid El Garch, Nadine Ravinet, Pierre-Louis Toutain, Alain Bousquet-Mélou, Henri Seegers, Sébastien Assié
In the context of requested decrease of antimicrobial use in veterinary medicine, our objective was to assess the impact of two doses of marbofloxacin administered on young bulls (YBs) and veal calves (VCs) treated for bovine respiratory disease, on the total population of Enterobacteriaceae in gut flora and on the emergence of resistant Enterobacteriaceae. In two independent experiments, 48 YBs from 6 commercial farms and 33 VCs previously colostrum deprived and exposed to cefquinome were randomly assigned to one of the three groups LOW, HIGH, and Control...
January 10, 2017: Foodborne Pathogens and Disease
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