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https://www.readbyqxmd.com/read/28339670/exploring-the-variability-in-beh%C3%A3-et-s-disease-prevalence-a-meta-analytical-approach
#1
Carla Maldini, Katie Druce, Neil Basu, Michael P LaValley, Alfred Mahr
Background.: Surveys of Behçet's disease (BD) have shown substantial geographic variations in prevalence, but some of these differences may result from methodological inconsistencies. This meta-analysis explored the effect of geographic location and study methodology on the prevalence of BD. Methods.: We systematically searched the literature in electronic databases and by handsearching to identify population-based prevalence surveys of BD. Studies were eligible if they provided an original population-based prevalence estimate for BD with the number of prevalent cases identified in the study area...
February 17, 2017: Rheumatology
https://www.readbyqxmd.com/read/28339118/directional-local-field-potential-recordings-for-symptom-specific-optimization-of-deep-brain-stimulation
#2
Carla Fernández-García, Guglielmo Foffani, Michele Dileone, M J Catalán-Alonso, Mercedes González-Hidalgo, J A Barcía, Fernando Alonso-Frech
No abstract text is available yet for this article.
March 24, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28339074/absence-of-t-14-18-chromosome-translocation-in-agricultural-workers-after-short-term-exposure-to-pesticides
#3
Venerando Rapisarda, Caterina Ledda, Serena Matera, Lucrezia Fago, Giorgio Arrabito, Luca Falzone, Andrea Marconi, Massimo Libra, Carla Loreto
Exposure to pesticides represents a potential health risk for the general population and for agricultural workers in particular. Some researchers observed that occupational exposure to pesticides is associated with risk of non‑Hodgkin's lymphoma (NHL). The chromosomal translocation t(14;18)(q32;q21) is one of the most common chromosomal abnormalities in NHL. The aim of this study was to detect the effects of pesticides on t(14;18) chromosome translocation in agricultural workers after short-term exposure...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28339042/immunomodulatory-effects-in-workers-exposed-to-naturally-occurring-asbestos-fibers
#4
Caterina Ledda, Chiara Costa, Serena Matera, Beatrice Puglisi, Valentina Costanzo, Massimo Bracci, Concettina Fenga, Venerando Rapisarda, Carla Loreto
Natural asbestiform fibers are defined 'naturally occurring asbestos' (NOA) and refer to the mineral as a natural component of soils or rocks. The release of NOA fibers into the air from rocks or soils by routine human activities or natural weathering processes represents a risk for human beings. Fluoro-edenite (FE) is a NOA fiber detected in the benmoreitic lava in the area of Biancavilla, South-west slope of Mt. Etna. The aim of the present study was to investigate FE immunotoxicity pathways in a group of 38 occupationally exposed construction workers, in order to find any biological markers of its effect...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28339019/occupational-exposure-to-mount-etna-s-basaltic-dust-assessment-of-mutagenic-and-cytotoxic-effects
#5
Caterina Ledda, Salvatore Cocuzza, Monica Salerno, Paola Senia, Serena Matera, Venerando Rapisarda, Carla Loreto
Basalt and volcanic ash are natural constituents of the ground surrounding volcanic areas such as Mount Etna. The dust may be daily inhaled by the general population as well as by several types of workers, such as construction workers. In this experiment, we analyzed the potential mutagenic and cytotoxic effects of the materials used in construction industry, excavated from Mt. Etna. Ground basalt (A), volcanic ash (B), mixed basalt and cement (C) and cement (D) were studied with Ames test, for mutagenic assessment and with MMT assay for cytotoxic evaluation...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338616/a-comparative-study-of-phenols-in-apulian-italian-wines
#6
Andrea Ragusa, Carla Centonze, Maria E Grasso, Maria F Latronico, Pier F Mastrangelo, Federica Sparascio, Francesco P Fanizzi, Michele Maffia
Nutraceutics is a growing research field in which researchers study and attempt to improve the biological properties of metabolites in food. Wine is one of the most consumed products in the world and contains a plethora of molecules biologically relevant to human health. In this article, several polyphenols with potential antioxidant activity were measured in wines from Apulia, in Southeast Italy. Hydroxytyrosol, gallic and syringic acids, luteolin, quercetin, and trans-resveratrol were identified and quantified by HPLC...
March 24, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28338438/learning-brain-aneurysm-microsurgical-skills-in-a-human-placenta-model-predictive-validity
#7
Marcelo Magaldi Ribeiro de Oliveira, Carlos Eduardo Ferrarez, Taise Mosso Ramos, Jose Augusto Malheiros, Arthur Nicolato, Carla Jorge Machado, Mauro Tostes Ferreira, Fellype Borges de Oliveira, Cecília Félix Penido Mendes de Sousa, Pollyana Helena Vieira Costa, Sebastiao Gusmao, Giuseppe Lanzino, Rolando Del Maestro
OBJECTIVE Surgery for brain aneurysms is technically demanding. In recent years, the process to learn the technical skills necessary for these challenging procedures has been affected by a decrease in the number of surgical cases available and progressive restrictions on resident training hours. To overcome these limitations, surgical simulators such as cadaver heads and human placenta models have been developed. However, the effectiveness of these models in improving technical skills is unknown. This study assessed concurrent and predictive validity of brain aneurysm surgery simulation in a human placenta model compared with a "live" human brain cadaveric model...
March 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28337633/the-development-of-an-hiv-risk-environment-scale-of-exotic-dance-clubs
#8
Susan G Sherman, Meredith R Brantley, Carla Zelaya, Quyen Duong, Ralph B Taylor, Jon M Ellen
Exotic dancers have received little research attention despite evidence of high-risk behaviours within exotic dance clubs (EDCs). We developed and assessed the reliability and validity of a risk environment score, examining differences between dancers (n = 107) and other staff (n = 172). In the summer of 2013, anonymous surveys were administered via A-CASI in EDCs (N = 26) in Baltimore among exotic dancers and staff. Surveys consisted of a brief demographic section followed by 65 statements. The overall domain had an alpha = 0...
March 23, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28337224/gut-mesenchymal-stromal-cells-in-immunity
#9
REVIEW
Valeria Messina, Carla Buccione, Giulia Marotta, Giovanna Ziccheddu, Michele Signore, Gianfranco Mattia, Rossella Puglisi, Benedetto Sacchetti, Livia Biancone, Mauro Valtieri
Mesenchymal stromal cells (MSCs), first found in bone marrow (BM), are the structural architects of all organs, participating in most biological functions. MSCs possess tissue-specific signatures that allow their discrimination according to their origin and location. Among their multiple functions, MSCs closely interact with immune cells, orchestrating their activity to maintain overall homeostasis. The phenotype of tissue MSCs residing in the bowel overlaps with myofibroblasts, lining the bottom walls of intestinal crypts (pericryptal) or interspersed within intestinal submucosa (intercryptal)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28336460/nanoincorporation-of-bioactive-compounds-from-red-grape-pomaces-in-vitro-and-ex-vivo-evaluation-of-antioxidant-activity
#10
Maria Manconi, Francesca Marongiu, Maria Letizia Manca, Carla Caddeo, Giorgia Sarais, Claudia Cencetti, Laura Pucci, Vincenzo Longo, Gianluigi Bacchetta, Anna Maria Fadda
In this study, the active components of grape pomaces were first extracted by maceration in ethanol and propylene glycol, then in extra virgin olive oil. The main components of the hydrophilic extractive solutions were flavonoids, while monounsaturated fatty acids were the most abundant constituents of the extractive oil, with high levels of oleic acid, which were identified by HPLC/DAD and GC/MS, respectively. The hydrophilic extractive solutions and the lipophilic extractive oil were used to prepare phospholipid vesicles, avoiding the energetically and economically expensive steps required to obtain solid matrixes or pure compounds...
March 20, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28336341/visuospatial-information-processing-load-and-the-ratio-between-parietal-cue-and-target-p3-amplitudes-in-the-attentional-network-test
#11
Dimitri M Abramov, Monique Pontes, Adailton T Pontes, Carlos A Mourao-Junior, Juliana Vieira, Carla Quero Cunha, Tiago Tamborino, Paulo R Galhanone, Leonardo C deAzevedo, Vladimir V Lazarev
In ERP studies of cognitive processes during attentional tasks, the cue signals containing information about the target can increase the amplitude of the parietal cue P3 in relation to the 'neutral' temporal cue, and reduce the subsequent target P3 when this information is valid, i.e. corresponds to the target's attributes. The present study compared the cue-to-target P3 ratios in neutral and visuospatial cueing, in order to estimate the contribution of valid visuospatial information from the cue to target stages of the task performance, in terms of cognitive load...
March 20, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28336174/the-exposure-to-formaldehyde-causes-renal-dysfunction-inflammation-and-redox-imbalance-in-rats
#12
Camila de Oliveira Ramos, Clarissa Rodrigues Nardeli, Keila Karine Duarte Campos, Karina Braga Pena, Dafne Fernandes Machado, Ana Carla Balthar Bandeira, Guilherme de Paula Costa, André Talvani, Frank Silva Bezerra
Twenty-eight Fischer male rats were divided into four groups: control group (CG), exposed to the ambient air, and groups exposed to formaldehyde (FA) at concentrations of 1% (FA1%), 5% (FA5%) and 10% (FA10%). Kidney function was assessed by dosage of uric acid, creatinine and urea. Morphometry was performed on the thickness of the lumen of Bowman's capsule and diameter of the lumen of the renal tubules. We evaluated the redox imbalance through the catalase and superoxide dismutase activity as well as oxidative damage by lipid peroxidation...
March 20, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28335526/oral-cyanocobalamin-is-effective-in-the-treatment-of-vitamin-b12-deficiency-in-crohn-s-disease
#13
Fernando Gomollón, Carla J Gargallo, Jose Fernando Muñoz, Raquel Vicente, Alberto Lue, Alberto Mir, Marta García-Alvarado, Marta Gracia, Santiago García-López
Cobalamin deficiency is common in patients with Crohn's disease (CD). Intramuscular cobalamin continues to be the standard therapy for the deficiency and maintenance treatment in these patients, although oral route has been demonstrated to be effective in other pathologies with impaired absorption. Our aims were to evaluate the efficacy of oral therapy in the treatment of cobalamin deficiency and in long-term maintenance in patients with Crohn's disease. We performed a multicenter retrospective cohort study that included 94 patients with Crohn's disease and cobalamin deficiency...
March 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28335516/marine-diterpenes-molecular-modeling-of-thrombin-inhibitors-with-potential-biotechnological-application-as-an-antithrombotic
#14
Rebeca Cristina Costa Pereira, André Luiz Lourenço, Luciana Terra, Paula Alvarez Abreu, Valéria Laneuville Teixeira, Helena Carla Castro
Thrombosis related diseases are among the main causes of death and incapacity in the world. Despite the existence of antithrombotic agents available for therapy, they still present adverse effects like hemorrhagic risks which justify the search for new options. Recently, pachydictyol A, isopachydictyol A, and dichotomanol, three diterpenes isolated from Brazilian marine brown alga Dictyota menstrualis were identified as potent antithrombotic molecules through inhibition of thrombin, a key enzyme of coagulation cascade and a platelet agonist...
March 20, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28335232/the-influence-of-modified-silica-nanomaterials-on-adult-stem-cell-culture
#15
Luigi Tarpani, Francesco Morena, Marta Gambucci, Giulia Zampini, Giuseppina Massaro, Chiara Argentati, Carla Emiliani, Sabata Martino, Loredana Latterini
The preparation of tailored nanomaterials able to support cell growth and viability is mandatory for tissue engineering applications. In the present work, silica nanoparticles were prepared by a sol-gel procedure and were then functionalized by condensation of amino groups and by adsorption of silver nanoparticles. Transmission electron microscopy (TEM) imaging was used to establish the morphology and the average dimensions of about 130 nm, which were not affected by the functionalization. The three silica samples were deposited (1 mg/mL) on cover glasses, which were used as a substrate to culture adult human bone marrow-mesenchymal stem cells (hBM-MSCs) and human adipose-derived stem cells (hASCs)...
June 4, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335215/rapamycin-loaded-solid-lipid-nanoparticles-as-a-new-tool-to-deliver-mtor-inhibitors-formulation-and-in-vitro-characterization
#16
Alice Polchi, Alessandro Magini, Jarosław Mazuryk, Brunella Tancini, Jacek Gapiński, Adam Patkowski, Stefano Giovagnoli, Carla Emiliani
Recently, the use of mammalian target of rapamycin (mTOR) inhibitors, in particular rapamycin (Rp), has been suggested to improve the treatment of neurodegenerative diseases. However, as Rp is a strong immunosuppressant, specific delivery to the brain has been postulated to avoid systemic exposure. In this work, we fabricated new Rp loaded solid lipid nanoparticles (Rp-SLN) stabilized with polysorbate 80 (PS80), comparing two different methods and lipids. The formulations were characterized by differential scanning calorimetry (DSC), nuclear magnetic resonance (NMR), wide angle X-ray scattering (WAXS), cryo-transmission electron microscopy (cryo-TEM), dynamic light scattering (DLS) and particle tracking...
May 9, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335186/ex-vivo-tissues-engineering-modeling-for-reconstructive-surgery-using-human-adult-adipose-stem-cells-and-polymeric-nanostructured-matrix
#17
Francesco Morena, Chiara Argentati, Eleonora Calzoni, Marino Cordellini, Carla Emiliani, Francesco D'Angelo, Sabata Martino
The major challenge for stem cell translation regenerative medicine is the regeneration of damaged tissues by creating biological substitutes capable of recapitulating the missing function in the recipient host. Therefore, the current paradigm of tissue engineering strategies is the combination of a selected stem cell type, based on their capability to differentiate toward committed cell lineages, and a biomaterial, that, due to own characteristics (e.g., chemical, electric, mechanical property, nano-topography, and nanostructured molecular components), could serve as active scaffold to generate a bio-hybrid tissue/organ...
March 31, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334957/quechers-based-method-for-pesticides-analysis-in-adipose-tissue-associated-with-rat-ovaries
#18
Nathalie Zamariola, Pedro Toledo Netto, Carla Adriene da Silva Franchi, João Lauro Viana de Camargo, Mary Rosa Rodrigues de Marchi
The concomitant exposure to low doses of various pesticides is one of the most relevant issues in human toxicology today. An experimental toxicology study was developed to evaluate the effects of this type of exposure on the reproductive capacity of females of three species of rats that were exposed to mixtures of dicofol, dieldrin, endosulfan and permethrin at low doses (LOAEL and NOAEL). In this context, we have developed a method for determining pesticides in adipose tissue (0.5 g, 49% lipid) associated with the ovaries, based on the QuEChERS (quick, easy, cheap, effective, rugged and safe) strategy...
March 14, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28334709/micronutrients-essential-fatty-acids-and-bone-health-in-phenylketonuria
#19
Serwet Demirdas, Francjan J van Spronsen, Carla E M Hollak, J Hanneke van der Lee, Peter H Bisschop, Fred M Vaz, Nienke M Ter Horst, M Estela Rubio-Gozalbo, Annet M Bosch
INTRODUCTION: In phenylketonuria (PKU), a natural protein-restricted dietary treatment prevents severe cognitive impairment. Nutrient deficiencies may occur due to strict diet. This study is aimed at evaluating the dietary intake and blood concentrations of micronutrients and essential fatty acids (FA), bone mineral density (BMD) and fracture history in patients on long-term dietary treatment. METHODS: Sixty early diagnosed Dutch patients (aged 1-39 years) were included in a multi-center cross-sectional study...
March 24, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28334672/effects-of-4-mbc-and-triclosan-in-embryos-of-the-frog-pelophylax-perezi
#20
Diana Martins, Marta S Monteiro, Amadeu M V M Soares, Carla Quintaneiro
The widespread and increasing use of personal care products (PCPs) have led to environmental contamination by substances included in these products. These substances have been detected in aquatic compartments and shown to cause adverse effects on non-target aquatic organisms. In this work toxicity of the antimicrobial triclosan (TCS) and of the UV-filter 3-(4-methylbenzylidene) camphor (4-MBC) was assessed in the embryos of Perez' frog Pelophylax perezi. Lethal and sub-lethal parameters were evaluated in embryos in Gosner stage 8-9 exposed to 0...
March 15, 2017: Chemosphere
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