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https://www.readbyqxmd.com/read/29786785/methods-to-study-angiogenesis-in-a-mouse-model-of-prostate-cancer
#1
Ana-Rita Pedrosa, Alexandre Trindade, António Duarte
Angiogenesis is one important hallmark of cancer progression which explains the relevance of developing methods to efficiently analyze the neo-angiogenic process. In this report we make use of the transgenic adenocarcinoma of the murine prostate (TRAMP) model, considered a good model for studying clinical prostate cancer progression, to describe in detail the methods used to study angiogenesis in this type of solid tumor development. In this report we provide step-by-step procedures on the basis of previous work in our laboratory for: the mouse urogenital sinus (UGS) collection; microdissection of the prostate; preparation of the prostatic samples for immunofluorescence (to analyze vascular density, morphology, maturation, functionality, hypoxia, and others); preparation of prostatic samples to histopathological analysis and/or immunohistochemistry; and endothelial and vascular mural cell sorting and isolation by fluorescent associated cell sorting (FACS) to further analysis (mRNA, protein, or other) or to maintain in culture...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786781/the-ejes-3d-tool-for-personalized-prescription-of-exercise-in-axial-spondyloarthritis-through-multimedia-animations-pilot-study
#2
Mariano Tomás Flórez, Raquel Almodóvar, Fernando García Pérez, Ana Belén Rodríguez Cambrón, Loreto Carmona, María Ángeles Pérez Manzanero, Juan Aboitiz Cantalapiedra, Ana Urruticoechea-Arana, Carlos J Rodríguez Lozano, Carmen Castro, Cristina Fernández-Carballido, Eugenio de Miguel, Eva Galíndez, José Luis Álvarez Vega, Juan Carlos Torre Alonso, Luis F Linares, Mireia Moreno, Victoria Navarro-Compán, Xavier Juanola, Pedro Zarco
To develop and evaluate a web application based on multimedia animations, combined with a training program, to improve the prescription of exercises in spondyloarthritis (SpA). After a review of exercises included in the main clinical trials and recommendations of international societies, a multidisciplinary team-rehabilitators, rheumatologists, physiotherapists, computer scientists and graphic designers-developed a web application for the prescription of exercises (EJES-3D). Once completed, this was presented to 12 pairs of rehabilitators-rheumatologists from the same hospital in a workshop...
May 21, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29786699/the-draft-genome-sequence-of-cork-oak
#3
António Marcos Ramos, Ana Usié, Pedro Barbosa, Pedro M Barros, Tiago Capote, Inês Chaves, Fernanda Simões, Isabl Abreu, Isabel Carrasquinho, Carlos Faro, Joana B Guimarães, Diogo Mendonça, Filomena Nóbrega, Leandra Rodrigues, Nelson J M Saibo, Maria Carolina Varela, Conceição Egas, José Matos, Célia M Miguel, M Margarida Oliveira, Cândido P Ricardo, Sónia Gonçalves
Cork oak (Quercus suber) is native to southwest Europe and northwest Africa where it plays a crucial environmental and economical role. To tackle the cork oak production and industrial challenges, advanced research is imperative but dependent on the availability of a sequenced genome. To address this, we produced the first draft version of the cork oak genome. We followed a de novo assembly strategy based on high-throughput sequence data, which generated a draft genome comprising 23,347 scaffolds and 953.3 Mb in size...
May 22, 2018: Scientific Data
https://www.readbyqxmd.com/read/29786499/scheffersomyces-stambukii-f-a-sp-nov-a-d-xylose-fermenting-species-isolated-from-rotting-wood
#4
Mariana R Lopes, Thiago M Batista, Glória R Franco, Lucas R Ribeiro, Ana R O Santos, Carolina Furtado, Rennan G Moreira, Aristóteles Goes-Neto, Marcos J S Vital, Luiz H Rosa, Marc-André Lachance, Carlos A Rosa
Two isolates representing a new species of Scheffersomyces were isolated from rotting wood samples collected in an Amazonian forest ecosystem in Brazil. Analysis of the sequences of the D1/D2 domains showed that this new species is phylogenetically related to Scheffersomyces NYMU 15730, a species without a formal description, and the two are in an early emerging position with respect to the xylose-fermenting subclade containing Scheffersomyces titanus and Scheffersomyces stipitis. Phylogenomic analyses using 474 orthologous genes placed the new species in an intermediary position between Scheffersomyces species and the larger genus Spathaspora and the Candida albicans/Lodderomyces clade...
May 22, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29786464/what-can-we-learn-from-diffusion-tensor-imaging-from-a-large-traumatic-brain-injury-cohort-white-matter-integrity-and-its-relationship-with-outcome
#5
Ana M Castaño-Leon, Marta Cicuendez, Blanca Navarro, Pablo M Munarriz, Santiago Cepeda, Igor Paredes, Amaya Hilario, Ana Ramos, Pedro Antonio Gomez, Alfonso Lagares
Traumatic axonal injury (TAI) contributes significantly to mortality and morbidity after traumatic brain injury (TBI) but its identification is still a diagnostic challenge because of the limitations of conventional imaging techniques to characterized it. Diffusion tensor imaging (DTI) can indirectly identify areas of damaged white matter (WM) integrity by detecting water molecules diffusion alterations. Therefore, DTI may improve detection and description of TAI lesions after TBI. We have obtained DTI data from 217 patients with moderate to severe TBI acquired at median 19 days after TBI were and patient DTI metrics were compared with data obtained from 58 age-matched healthy controls...
May 22, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29786424/tuning-gene-activity-by-inducible-and-targeted-regulation-of-gene-expression-in-minimal-bacterial-cells
#6
Ana M Mariscal, Shigeyuki Kakizawa, Jonathan Y Hsu, Kazuki Tanaka, Luis González-González, Alicia Broto, Enrique Querol, Maria Lluch-Senar, Carlos Piñero-Lambea, Lijie Sun, Philip D Weyman, Kim S Wise, Chuck Merryman, Gavin Tse, Adam J Moore, Clyde A Hutchison, Hamilton O Smith, Masaru Tomita, J Craig Venter, John I Glass, Jaume Piñol, Yo Suzuki
Functional genomics studies in minimal mycoplasma cells enable unobstructed access to some of the most fundamental processes in biology. Conventional transposon bombardment and gene knockout approaches often fail to reveal functions of genes that are essential for viability, where lethality precludes phenotypic characterization. Conditional inactivation of genes is effective for characterizing functions central to cell growth and division, but tools are limited for this purpose in mycoplasmas. Here we demonstrate systems for inducible repression of gene expression based on clustered regularly interspaced short palindromic repeats-mediated interference (CRISPRi) in Mycoplasma pneumoniae and synthetic Mycoplasma mycoides, two organisms with reduced genomes actively used in systems biology studies...
May 22, 2018: ACS Synthetic Biology
https://www.readbyqxmd.com/read/29786029/academics-anonymous-a-medical-student-s-12-step-guide-to-scholarly-productivity
#7
Nissi Wei, James A Bourgeois, Ana Hategan, Amin Azzam
An important aspect of academic medicine is publication in peer-reviewed journals and other media. Early scholarly productivity in medical school may jump-start a successful academic career. Topic choice, search methodology, writing strategies, mentorship, and collaboration are all fundamental to successful academic productivity. The authors reviewed the importance of instituting the germinal stages of scholarly productivity during medical training and created 12 steps for facilitating productive academic writing by students...
September 2017: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/29785976/the-study-of-attenuation-levels-and-the-comfort-of-earplugs
#8
Alessandra G Samelli, Raquel F Gomes, Tiago V Chammas, Bárbara G Silva, Renata R Moreira, Ana C Fiorini
Introduction: This study aimed to analyze and compare four different types of earplugs, divided into premolded plugs and foam plug models, in relation to the level of attenuation, comfort, and the size of the external acoustic meatus (EAM) in an attempt to identify how these variables influence the choice of specific hearing protection devices (HPDs). Materials and Methods: A cross-sectional observational study was performed in a sample of 49 participants, oriented toward the ideal placement of four HPDs, two premolded and two foam plugs (3M™)...
May 2018: Noise & Health
https://www.readbyqxmd.com/read/29785785/metabolism-within-the-tumor-microenvironment-and-its-implication-on-cancer-progression-an-ongoing-therapeutic-target
#9
REVIEW
Ma Carmen Ocaña, Beatriz Martínez-Poveda, Ana R Quesada, Miguel Ángel Medina
Since reprogramming energy metabolism is considered a new hallmark of cancer, tumor metabolism is again in the spotlight of cancer research. Many studies have been carried out and many possible therapies have been developed in the last years. However, tumor cells are not alone. A series of extracellular components and stromal cells, such as endothelial cells, cancer-associated fibroblasts, tumor-associated macrophages, and tumor-infiltrating T cells, surround tumor cells in the so-called tumor microenvironment (TME)...
May 22, 2018: Medicinal Research Reviews
https://www.readbyqxmd.com/read/29785708/prenatal-predatory-stress-in-a-wild-species-of-subterranean-rodent-do-ecological-stressors-always-have-a-negative-effect-on-the-offspring
#10
Valentina Brachetta, Cristian E Schleich, Ana P Cutrera, Julieta L Merlo, Marcelo J Kittlein, Roxana R Zenuto
In pregnant females, a failed predatory event not only induces individual responses but also represents a significant change in the developmental environment of the offspring, which may lead to modifications in their phenotype that may persist at different stages of life. We evaluate whether prenatal exposure to predatory cues affects anxiety behavior, behavioral response to predator cues, stress response to immobilization, and immune response to sheep red blood cells (SRBC) and phytohemagglutinin (PHA) in juveniles of the subterranean rodent Ctenomys talarum...
May 21, 2018: Developmental Psychobiology
https://www.readbyqxmd.com/read/29785310/a-challenging-case-of-kikuchi-fujimoto-disease-associated-with-systemic-lupus-erythematosus-and-review-of-the-literature
#11
Mihaela Găman, Ana-Maria Vlădăreanu, Camelia Dobrea, Minodora Onisâi, Cristina Marinescu, Irina Voican, Daniela Vasile, Horia Bumbea, Diana Cîşleanu
Kikuchi-Fujimoto disease (KFD) or histiocytic necrotizing lymphadenitis is a rare disease that is frequently underdiagnosed due to clinical features that are similar to those of non-Hodgkin lymphomas, systemic lupus erythematosus (SLE), or infectious reactive lymphadenopathy. An excisional biopsy is required. We report a young Caucasian female diagnosed with KFD with skin lesions, complicating with SLE. The clinical course, laboratory, and CT findings are described, as are histopathologic features, for a better recognition of this rare disorder in clinical practice...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/29785136/psychological-factors-as-predictors-of-early-postoperative-pain-after-open-nephrectomy
#12
Ana Mimic, Carsten Bantel, Jelena Jovicic, Branko Mimic, Darija Kisic-Tepavcevic, Otas Durutovic, Nebojsa Ladjevic
Purpose: There is an increasing interest in the identification of predictors for individual responses to analgesics and surgical pain. In this study, we aimed to determine psychological factors that might contribute to this response. We hence investigated patients undergoing a standardized surgical intervention (open nephrectomy). Patients and methods: Between May 2014 and April 2015, we conducted a prospective observational cohort study. The following psychological tests were administered preoperatively: Mini-Mental State Examination, Amsterdam Preoperative Anxiety and Information Scale (APAIS), Hamilton Anxiety Rating Scale, Hamilton Depression Rating Scale, and Pain Catastrophizing Scale...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29785132/influence-of-fto-rs9939609-polymorphism-on-appetite-ghrelin-leptin-il6-tnf%C3%AE-levels-and-food-intake-of-women-with-morbid-obesity
#13
Fernanda Cristina Carvalho Mattos Magno, Helena Chrispim Guaraná, Ana Carolina Proença Fonseca, Giselda Maria Kalil Cabello, João Régis Ivar Carneiro, Aline Pereira Pedrosa, Ana Carolina Ximenes, Eliane Lopes Rosado
Background: The fat mass and obesity-related ( FTO ) gene has a strong relationship with obesity, extreme obesity and inflammatory state, and may also be associated with food intake regulation. Objective: The aim of the present study was to evaluate the influence of the rs9939609 single-nucleotide polymorphism of the FTO gene on appetite, ghrelin, leptin, interleukin 6 (IL6), tumor necrosis factor α (TNFα) levels and food intake of morbidly obese women. Materials and methods: The study comprised 70 women, aged between 20 and 48 years, from Rio de Janeiro, Brazil...
2018: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/29785109/development-and-characterization-of-a-nanoemulsion-containing-propranolol-for-topical-delivery
#14
Tatiana Zanela da Silva Marques, Ralph Santos-Oliveira, Luciana Betzler de Oliveira de Siqueira, Verônica da Silva Cardoso, Zaida Maria Faria de Freitas, Rita de Cássia da Silva Ascenção Barros, Ana Lúcia Vazquez Villa, Mariana Sato de Souza de Bustamante Monteiro, Elisabete Pereira Dos Santos, Eduardo Ricci-Junior
Background: Propranolol (PPN) is a therapeutic option for the treatment of infantile hemangiomas. This study aimed at the development of nanoemulsion (NE) containing 1% PPN, characterization of the system, and safety studies based on ex vivo permeation, cytotoxicity, and biodistribution in vivo. Methods: The formulation was developed and characterized in relation to the droplet size, polydispersity index (PDI), pH, zeta potential, and electronic microscopy. Ex vivo permeation studies were used to evaluate the cutaneous retention of PPN in the epidermis and dermis...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29785104/respiratory-medication-used-in-copd-patients-from-seven-latin-american-countries-the-lassyc-study
#15
Alejandro Casas, Maria Montes de Oca, Ana Mb Menezes, Fernando C Wehrmeister, Maria Victorina Lopez Varela, Laura Mendoza, Larissa Ramírez, Marc Miravitlles
Background: Limited information is available regarding medication use in COPD patients from Latin America. This study evaluated the type of medication used and the adherence to different inhaled treatments in stable COPD patients from the Latin American region. Methods: This was an observational, cross-sectional, multinational, and multicenter study in COPD patients attended by specialist doctors from seven Latin American countries. Adherence to inhaled therapy was assessed using the Test of Adherence to Inhalers (TAI) questionnaire...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29785028/the-reference-epigenome-and-regulatory-chromatin-landscape-of-chronic-lymphocytic-leukemia
#16
Renée Beekman, Vicente Chapaprieta, Núria Russiñol, Roser Vilarrasa-Blasi, Núria Verdaguer-Dot, Joost H A Martens, Martí Duran-Ferrer, Marta Kulis, François Serra, Biola M Javierre, Steven W Wingett, Guillem Clot, Ana C Queirós, Giancarlo Castellano, Julie Blanc, Marta Gut, Angelika Merkel, Simon Heath, Anna Vlasova, Sebastian Ullrich, Emilio Palumbo, Anna Enjuanes, David Martín-García, Sílvia Beà, Magda Pinyol, Marta Aymerich, Romina Royo, Montserrat Puiggros, David Torrents, Avik Datta, Ernesto Lowy, Myrto Kostadima, Maša Roller, Laura Clarke, Paul Flicek, Xabier Agirre, Felipe Prosper, Tycho Baumann, Julio Delgado, Armando López-Guillermo, Peter Fraser, Marie-Laure Yaspo, Roderic Guigó, Reiner Siebert, Marc A Martí-Renom, Xose S Puente, Carlos López-Otín, Ivo Gut, Hendrik G Stunnenberg, Elias Campo, Jose I Martin-Subero
Chronic lymphocytic leukemia (CLL) is a frequent hematological neoplasm in which underlying epigenetic alterations are only partially understood. Here, we analyze the reference epigenome of seven primary CLLs and the regulatory chromatin landscape of 107 primary cases in the context of normal B cell differentiation. We identify that the CLL chromatin landscape is largely influenced by distinct dynamics during normal B cell maturation. Beyond this, we define extensive catalogues of regulatory elements de novo reprogrammed in CLL as a whole and in its major clinico-biological subtypes classified by IGHV somatic hypermutation levels...
May 21, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29785013/genetic-identification-of-brain-cell-types-underlying-schizophrenia
#17
Nathan G Skene, Julien Bryois, Trygve E Bakken, Gerome Breen, James J Crowley, Héléna A Gaspar, Paola Giusti-Rodriguez, Rebecca D Hodge, Jeremy A Miller, Ana B Muñoz-Manchado, Michael C O'Donovan, Michael J Owen, Antonio F Pardiñas, Jesper Ryge, James T R Walters, Sten Linnarsson, Ed S Lein, Patrick F Sullivan, Jens Hjerling-Leffler
With few exceptions, the marked advances in knowledge about the genetic basis of schizophrenia have not converged on findings that can be confidently used for precise experimental modeling. By applying knowledge of the cellular taxonomy of the brain from single-cell RNA sequencing, we evaluated whether the genomic loci implicated in schizophrenia map onto specific brain cell types. We found that the common-variant genomic results consistently mapped to pyramidal cells, medium spiny neurons (MSNs) and certain interneurons, but far less consistently to embryonic, progenitor or glial cells...
May 21, 2018: Nature Genetics
https://www.readbyqxmd.com/read/29784888/identification-of-brain-metastasis-genes-and-therapeutic-evaluation-of-histone-deacetylase-inhibitors-in-a-clinically-relevant-model-of-breast-cancer-brain-metastasis
#18
Soo-Hyun Kim, Richard P Redvers, Lap Hing Chi, Xiawei Ling, Andrew J Lucke, Robert C Reid, David P Fairlie, Ana Carolina Baptista Moreno Martin, Robin L Anderson, Delphine Denoyer, Normand Pouliot
Breast cancer brain metastasis remains largely incurable. While several mouse models have been developed to investigate the genes and mechanisms regulating breast cancer brain metastasis, these models often lack clinical relevance since they require the use of immune-compromised mice and/or are poorly metastatic to brain from the mammary gland. We describe the development and characterisation of an aggressive brain metastatic variant of the 4T1 syngeneic model (4T1Br4) that spontaneously metastasises to multiple organs, but is selectively more metastatic to the brain from the mammary gland than parental 4T1 tumours...
May 21, 2018: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/29784798/stabilized-single-injection-inactivated-polio-vaccine-elicits-a-strong-neutralizing-immune-response
#19
Stephany Y Tzeng, Kevin J McHugh, Adam M Behrens, Sviatlana Rose, James L Sugarman, Shiran Ferber, Robert Langer, Ana Jaklenec
Vaccination in the developing world is hampered by limited patient access, which prevents individuals from receiving the multiple injections necessary for protective immunity. Here, we developed an injectable microparticle formulation of the inactivated polio vaccine (IPV) that releases multiple pulses of stable antigen over time. To accomplish this, we established an IPV stabilization strategy using cationic polymers for pH modulation to enhance traditional small-molecule-based stabilization methods. We investigated the mechanism of this strategy and showed that it was broadly applicable to all three antigens in IPV...
May 21, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29784349/monitoring-glucose-calcium-and-magnesium-levels-in-saliva-as-a-non-invasive-analysis-by-sequential-injection-multi-parametric-determination
#20
Ana Machado, Rui Maneiras, Adriano A Bordalo, Raquel B R Mesquita
The use of saliva for diagnose and surveillance of systemic illnesses, and general health has been arousing great interest worldwide, emerging as a highly desirable goal in healthcare. The collection is non-invasive, stress-free, inexpensive, and simple representing a major asset. Glucose, calcium, and magnesium concentration are three major parameters evaluated in clinical context due to their essential role in a wide range of biochemical reactions, and consequently many health disorders. In this work, a spectrophotometric sequential injection method is described for the fast screening of glucose, calcium, and magnesium in saliva samples...
August 15, 2018: Talanta
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