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https://www.readbyqxmd.com/read/28440039/effect-of-photoactivation-on-the-reduction-of-composite-resin-contamination
#1
Natalia A Pauletti, Luiza P S Girotto, Françoise H S Leite, Débora N Mario
Composite resins are predominantly marketed in developing countries in tube form, and the contents of the tube may be used in numerous procedures for different patients. This represents a problem because of the risk of cross-contamination. This study aimed to evaluate contamination in vitro of the internal contents of composite resin tubes in the dental clinics of a higher-education institution, as well as the effect of photoactivation on the level of contamination. Twenty-five tubes containing composite resin were randomly chosen (by lottery)...
April 24, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28439388/herlyn-werner-wunderlich-syndrome-with-ureteric-remnant-abscess-managed-laparoscopically-a-case-report
#2
Aurus Dourado Meneses, Walberto Monteiro Neiva Eulálio Filho, Débora Maria Ribeiro Raulino, Eduardo Bruno Lobato Martins, Sabas Carlos Vieira
Herlyn-Werner-Wunderlich (HWW) syndrome is part of a spectrum of Müllerian duct anomalies that occur during embryonic development. The syndrome is characterized by uterus didelphys, obstructed hemivagina, and ipsilateral renal agenesis. Only few cases of this disease were reported worldwide. We present a 23-year-old female patient with chronic pelvic pain for years. The patient was diagnosed with HWW syndrome with a history of hematocolpos and vaginoplasty at the age of 12. Five months later, she sought urgent medical care due to intense pain, and a clinical picture suggestive of peritoneal irritation...
March 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28439087/3d-microfluidic-model-for-evaluating-immunotherapy-efficacy-by-tracking-dendritic-cell-behaviour-toward-tumor-cells
#3
Stefania Parlato, Adele De Ninno, Rosa Molfetta, Elena Toschi, Debora Salerno, Arianna Mencattini, Giulia Romagnoli, Alessandra Fragale, Lorenzo Roccazzello, Maria Buoncervello, Irene Canini, Enrico Bentivegna, Mario Falchi, Francesca Romana Bertani, Annamaria Gerardino, Eugenio Martinelli, Corrado Natale, Rossella Paolini, Luca Businaro, Lucia Gabriele
Immunotherapy efficacy relies on the crosstalk within the tumor microenvironment between cancer and dendritic cells (DCs) resulting in the induction of a potent and effective antitumor response. DCs have the specific role of recognizing cancer cells, taking up tumor antigens (Ags) and then migrating to lymph nodes for Ag (cross)-presentation to naïve T cells. Interferon-α-conditioned DCs (IFN-DCs) exhibit marked phagocytic activity and the special ability of inducing Ag-specific T-cell response. Here, we have developed a novel microfluidic platform recreating tightly interconnected cancer and immune systems with specific 3D environmental properties, for tracking human DC behaviour toward tumor cells...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28436441/erratum-cd40-signalling-abrogates-induction-of-ror%C3%AE-t-treg-cells-by-intestinal-cd103-dcs-and-causes-fatal-colitis
#4
Christian Barthels, Ana Ogrinc, Verena Steyer, Stefanie Meier, Ferdinand Simon, Maria Wimmer, Andreas Blutke, Tobias Straub, Ursula Zimber-Strobl, Esther Lutgens, Peggy Marconi, Caspar Ohnmacht, Debora Garzetti, Bärbel Stecher, Thomas Brocker
No abstract text is available yet for this article.
April 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28434317/the-demographic-genetic-and-clinical-characteristics-of-brazilian-subjects-enrolled-in-the-transthyretin-amyloidosis-outcomes-survey
#5
Márcia Waddington Cruz, Debora Foguel, Amanda Cardoso Berensztejn, Roberto Coury Pedrosa, Rajiv Mundayat, Moh-Lim Ong
No abstract text is available yet for this article.
March 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28432871/mir-24-3p-is-overexpressed-in-hodgkin-lymphoma-and-protects-hodgkin-and-reed-sternberg-cells-from-apoptosis
#6
Ye Yuan, Joost Kluiver, Jasper Koerts, Debora de Jong, Bea Rutgers, Fazlyn Reeny Abdul Razak, Martijn Terpstra, Boudewijn Plaat, Ilja M Nolte, Arjan Diepstra, Lydia Visser, Klaas Kok, Anke van den Berg
miRNAs play important roles in biological processes, such as proliferation, metabolism, differentiation, and apoptosis, whereas altered expression levels contribute to diseases, such as cancers. We identified miRNAs with aberrant expression in Hodgkin lymphoma (HL) and investigated their role in pathogenesis. Small RNA sequencing revealed 84 significantly differentially expressed miRNAs in HL cell lines as compared to germinal center B cells. Three up-regulated miRNAs-miR-23a-3p, miR-24-3p, and miR-27a-3p-were derived from one primary miRNA transcript...
April 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28431386/tebuconazole-alters-morphological-behavioral-and-neurochemical-parameters-in-larvae-and-adult-zebrafish-danio-rerio
#7
Stefani Altenhofen, Débora Dreher Nabinger, Melissa Talita Wiprich, Talita Carneiro Brandão Pereira, Maurício Reis Bogo, Carla Denise Bonan
In this study, we evaluated the effects of tebuconazole on morphology and exploratory larvae behavior and adult locomotion. Furthermore, we analyzed the effects of this fungicide on AChE activity and gene expression in zebrafish larvae and in the adult zebrafish brain. Tebuconazole (4 mg/L) increased the ocular distance in larvae and reduced the distance travelled, absolute turn angle, line crossing and time outside area in exposed larvae. Moreover, adult zebrafish that were exposed to this fungicide (4 and 6 mg/L) showed a decrease in distance travelled and mean speed when compared to the control group...
April 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28425704/an-ortho-iminoquinone-compound-reacts-with-lysine-inhibiting-aggregation-while-remodeling-mature-amyloid-fibrils
#8
Luiza Fernandes, Nathália Moraes, Fernanda Savacini Sagrillo, Augusto V Magalhães, Marcela Cristina de Moraes, Luciana Romão, Jeffery W Kelly, Debora Foguel, Neil P Grimster, Fernando L Palhano
Protein aggregation is a hallmark of several neurodegenerative diseases, including Alzheimer's and Parkinson's diseases. It has been shown that lysine residues play a key role in the formation of these aggregates. Thus the ability to disrupt aggregate formation by covalently modifying lysine residues could lead to the discovery of therapeutically relevant anti-amyloidogenesis compounds. Herein, we demonstrate that an ortho-iminoquinone (IQ) can be utilized to inhibit amyloid aggregation. Using alpha-synuclein and Aβ1-40 as model systems, we observed that IQ was able to react with lysine residues and reduce amyloid aggregation...
April 20, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28425576/bone-marrow-adipose-and-lung-tissue-derived-murine-mesenchymal-stromal-cells-release-different-mediators-and-differentially-affect-airway-and-lung-parenchyma-in-experimental-asthma
#9
Soraia C Abreu, Mariana A Antunes, Debora G Xisto, Fernanda F Cruz, Vivian C Branco, Elga Bandeira, Jamil Zola Kitoko, Almair F de Araújo, Ludmilla Dellatorre-Texeira, Priscilla C Olsen, Daniel J Weiss, Bruno L Diaz, Marcelo M Morales, Patricia R M Rocco
Mesenchymal stromal cells (MSCs) from different sources have differential effects on lung injury. To compare the effects of murine MSCs from bone marrow (BM), adipose tissue (AD), and lung tissue (LUNG) on inflammatory and remodeling processes in experimental allergic asthma, female C57BL/6 mice were sensitized and challenged with ovalbumin (OVA) or saline (C). Twenty-four hours after the last challenge, mice received either saline (50 µl, SAL), BM-MSCs, AD-MSCs, or LUNG-MSCs (10(5) cells per mouse in 50 µl total volume) intratracheally...
April 20, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28423082/comparative-analysis-of-two-different-models-of-swimming-applied-to-pregnant-rats-born-small-for-pregnant-age
#10
Silvana B Corvino, Débora C Damasceno, Yuri K Sinzato, Aline O Netto, Nathália C D Macedo, Elena Zambrano, Gustavo T Volpato
The aim of this study was to compare two models of swimming applied to pregnant rats born small for pregnancy age (SPA). Diabetes was chemically induced in adult female rats to develop an inadequate intrauterine environment, leading to birth of a SPA offspring. In adulthood, the female SPA rats were mated and submitted to different swimming programs. The exercise program 1 (Ex1) consisted of swimming for 15 minutes, followed by 15 minutes of rest and another 15 minutes of swimming, 3 days a week before and during pregnancy...
January 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28423074/7-epi-griffonilide-a-new-lactone-from-bauhinia-pentandra-complete-1h-and-13c-chemical-shift-assignments
#11
Macia C S DE Almeida, Luciana G S Souza, Daniele A Ferreira, Francisco C L Pinto, Débora R DE Oliveira, Gilvandete M P Santiago, Francisco J Q Monte, Raimundo Braz-Filho, Telma L G DE Lemos
A new lactone, 7-epi-griffonilide (1), and six known compounds, 2, 3a - 3c, 4a and 4b, were isolated from the leaves of Bauhinia pentandra (Fabaceae). The structures elucidation of 1 and 2 were based on detailed 2D NMR techniques and spectral comparison with related compounds, leading to complete assignment of the 1H and 13C NMR spectra.
January 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28417930/degradation-of-methyl-2-aminobenzoate-methyl-anthranilate-by-h%C3%A2-o%C3%A2-uv-effect-of-inorganic-anions-and-derived-radicals
#12
Grazia Maria Lanzafame, Mohamed Sarakha, Debora Fabbri, Davide Vione
This study shows that methyl 2-aminobenzoate (also known as methyl anthranilate, hereafter MA) undergoes direct photolysis under UVC and UVB irradiation and that its photodegradation is further accelerated in the presence of H₂O₂. Hydrogen peroxide acts as a source of hydroxyl radicals (·OH) under photochemical conditions and yields MA hydroxyderivatives. The trend of MA photodegradation rate vs. H₂O₂ concentration reaches a plateau because of the combined effects of H₂O₂ absorption saturation and ·OH scavenging by H₂O₂...
April 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28417524/biofilms-of-candida-spp-from-the-ocular-conjunctiva-of-horses-with-reduced-azole-susceptibility-a-complicating-factor-for-the-treatment-of-keratomycosis
#13
Raimunda Sâmia Nogueira Brilhante, Paula Vago Bittencourt, Débora de Souza Collares Castelo-Branco, Glaucia Morgana de Melo Guedes, Jonathas Sales de Oliveira, Lucas Pereira Alencar, Rossana de Aguiar Cordeiro, Mariana Pinheiro, Evilázio Fernandes Nogueira-Filho, Waldemiro de Aquino Pereira-Neto, José Júlio Costa Sidrim, Marcos Fábio Gadelha Rocha
OBJECTIVES: This study aimed to assess the biofilm-forming ability of Candida spp. from the ocular conjunctiva of horses and to investigate the antifungal susceptibility of these biofilms. PROCEDURES: Initially, the biofilm-forming ability of 15 strains was assessed by crystal violet staining, which reveals the fungal biomass adhered to the polystyrene plates, and scanning electron microscopy. Then, the minimum inhibitory concentrations (MICs) of amphotericin B, fluconazole, itraconazole, and caspofungin were initially determined against strains in planktonic form...
April 18, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28412156/tyrosine-oxidation-and-nitration-in-transmembrane-peptides-is-connected-to-lipid-peroxidation
#14
Silvina Bartesaghminni, Daniel Herrera, Débora M Martinez, Ariel Petruk, Verónica Demicheli, Madia Trujillo, Marcelo A Martí, Darío A Estrín, Rafael Radi
Tyrosine nitration is an oxidative post-translational modification that can occur in proteins associated to hydrophobic bio-structures such as membranes and lipoproteins. In this work, we have studied tyrosine nitration in membranes using a model system consisting of phosphatidylcholine liposomes with pre-incorporated tyrosine-containing 23 amino acid transmembrane peptides. Tyrosine residues were located at positions 4, 8 or 12 of the amino terminal, resulting in different depths in the bilayer. Tyrosine nitration was accomplished by exposure to peroxynitrite and a peroxyl radical donor or hemin in the presence of nitrite...
April 13, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28410842/evidence-of-impaired-microvascular-dilatation-in-preterms-with-acute-respiratory-distress-syndrome
#15
Stefania Troiani, Andrea Cardona, Maddalena Milioni, Debora Monacelli, Alberto Verrotti, Marta Gehring, Giuseppe Ambrosio
BACKGROUND: Evaluating microcirculatory function in severely ill neonates is a relevant, unmet clinical need. Inappropriate peripheral microvascular vasodilatation is thought to contribute to cardiovascular alterations in preterm infants with acute respiratory distress syndrome (ARDS). We directly evaluated microcirculatory function in preterms with ARDS. METHODS: Peripheral microvascular function was assessed in 50 newborns, divided in three groups: preterms with ARDS; at-term newborns with mild-moderate congenital cardiac disease (Cardio group); healthy controls...
April 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28410580/lactobacillus-casei-dg-and-its-postbiotic-reduce-the-inflammatory-mucosal-response-an-ex-vivo-organ-culture-model-of-post-infectious-irritable-bowel-syndrome
#16
Debora Compare, Alba Rocco, Pietro Coccoli, Debora Angrisani, Costantino Sgamato, Barbara Iovine, Umberto Salvatore, Gerardo Nardone
BACKGROUND: The evidence on the role of gut microbiota in post-infectious irritable bowel syndrome (PI-IBS) is convincing. Lactobacillus spp. positively affect IBS symptoms, although the mechanisms through which probiotics exert their beneficial effects are largely unknown. The aim of the study is to evaluate the role of Lactobacillus casei DG (LC-DG) and its postbiotic (PB) in modulating the inflammatory/immune-response in PI-IBS in an ex-vivo organ culture model. METHODS: Ex vivo cultures of ileal and colonic mucosa from 10 PI-IBS, diarrhea predominant subtype (D) patients, and 10 healthy controls (HC) were treated with LPS, LC-DG and PB...
April 14, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28407268/cross-cultural-adaptation-reliability-and-construct-validity-of-the-tampa-scale-for-kinesiophobia-for-temporomandibular-disorders-tsk-tmd-br-into-brazilian-portuguese
#17
Aroldo Dos Santos Aguiar, Cesar Bataglion, Corine Mirjam Visscher, Debora Bevilaqua Grossi, Thais Cristina Chaves
BACKGROUND: Fear of movement (kinesiophobia) seems to play an important role in the development of chronic pain. However, in Temporomandibular Disorders (TMD) there is a scarcity of studies about this topic. The Tampa Scale for Kinesiophobia for TMD (TSK/TMD) is the most widely used instrument to measure fear of movement and it is not available in Brazilian Portuguese. OBJECTIVE: The purpose of this study was to culturally adapt the TSK/TMD to Brazilian Portuguese and to assess its psychometric properties regarding internal consistency, reliability, and construct and structural validity...
April 13, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28404159/a-microbiota-centric-view-of-diseases-of-the-upper-gastrointestinal-tract
#18
REVIEW
Gerardo Nardone, Debora Compare, Alba Rocco
The distinctive anatomy and physiology of the upper gastrointestinal tract and the difficulty of obtaining samples led to the theory that it was bacteria free. However, multiomics studies are indicating otherwise. Although influenced by both oral and gastric bacteria, the resident microbial ecosystem in the oesophagus is dominated by Streptococcus. A shift from Gram-positive to Gram-negative bacteria occurs in oesophagitis and Barrett's oesophagus, and this shift might be involved in the pathogenesis of oesophageal adenocarcinoma...
April 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28403677/spatial-temporal-variations-of-crime-a-routine-activity-theory-perspective
#19
Silas Nogueira de Melo, Débora V S Pereira, Martin A Andresen, Lindon Fonseca Matias
Temporal and spatial patterns of crime in Campinas, Brazil, are analyzed considering the relevance of routine activity theory in a Latin American context. We use geo-referenced criminal event data, 2010-2013, analyzing spatial patterns using census tracts and temporal patterns considering seasons, months, days, and hours. Our analyses include difference in means tests, count-based regression models, and Kulldorff's scan test. We find that crime in Campinas, Brazil, exhibits both temporal and spatial-temporal patterns...
April 1, 2017: International Journal of Offender Therapy and Comparative Criminology
https://www.readbyqxmd.com/read/28403634/potential-use-of-secondary-products-of-the-agri-food-industry-for-topical-formulations-and-comparative-analysis-of-antioxidant-activity-of-grape-leaf-polyphenols
#20
Roger Remy Dresch, Maria Terezinha Kreinecker Dresch, Renata Biegelmeyer, Débora Fretes Argenta, Ricardo Fagundes da Rocha, Helder Ferreira Teixeira, José Cláudio Fonseca Moreira, Amélia Teresinha Henriques
The aim of the present study was to develop a phytocosmetic using Vitis waste by-products, for use as a topical formulation for skin protection against ultraviolet radiation damage. The study also evaluates the free radical scavenger activity of the crude extracts of dried leaves of Vitis vinifera and Vitis labrusca, as well as the anthocyanins, flavonoid fraction and isolated compounds. Next, release and permeation studies of hydrogels were performed using Franz-type diffusion cells. Flavonoid acted more intensively in TRAP and conjugated dienes antioxidant assays, whereas anthocyanins had higher antioxidant activity in hydroxyl and nitric oxide assay...
April 13, 2017: Natural Product Research
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