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https://www.readbyqxmd.com/read/28635949/non-coding-variants-contribute-to-the-clinical-heterogeneity-of-ttr-amyloidosis
#1
Andrea Iorio, Antonella De Lillo, Flavio De Angelis, Marco Di Girolamo, Marco Luigetti, Mario Sabatelli, Luca Pradotto, Alessandro Mauro, Anna Mazzeo, Claudia Stancanelli, Federico Perfetto, Sabrina Frusconi, Filomena My, Dario Manfellotto, Maria Fuciarelli, Renato Polimanti
Coding mutations in TTR gene cause a rare hereditary form of systemic amyloidosis, which has a complex genotype-phenotype correlation. We investigated the role of non-coding variants in regulating TTR gene expression and consequently amyloidosis symptoms. We evaluated the genotype-phenotype correlation considering the clinical information of 129 Italian patients with TTR amyloidosis. Then, we conducted a re-sequencing of TTR gene to investigate how non-coding variants affect TTR expression and, consequently, phenotypic presentation in carriers of amyloidogenic mutations...
June 21, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28633965/phosphoproteome-analysis-reveals-a-critical-role-for-hedgehog-signalling-in-osteoblast-morphological-transitions
#2
Ariane Marumoto, Renato Milani, Rodrigo A da Silva, Célio Junior da Costa Fernandes, José Mauro Granjeiro, Carmen V Ferreira, Maikel P Peppelenbosch, Willian F Zambuzzi
The reciprocal and adaptive interactions between cells and substrates governing morphological transitions in the osteoblast compartment remain largely obscure. Here we show that osteoblast cultured in basement membrane matrix (Matrigel™) exhibits significant morphological changes after ten days of culture, and we decided to exploit this situation to investigate the molecular mechanisms responsible for guiding osteoblast morphological transitions. As almost all aspects of cellular physiology are under control of kinases, we generated more or less comprehensive cellular kinome profiles employing PepChip peptide arrays that contain over 1000 consensus substrates of kinase peptide...
June 17, 2017: Bone
https://www.readbyqxmd.com/read/28629935/a-dicre-recombinase-based-system-for-inducible-expression-in-leishmania-major
#3
Renato E R S Santos, Gabriel L A Silva, Elaine V Santos, Samuel M Duncan, Jeremy C Mottram, Jeziel D Damasceno, Luiz R O Tosi
Here we present the establishment of an inducible system based on the dimerizable Cre recombinase (DiCre) for controlled gene expression in the protozoan parasite Leishmania. Rapamycin-induced DiCre activation promoted efficient flipping and expression of gene products in a time and dose-dependent manner. The DiCre flipping activity induced the expression of target genes from both integrated and episomal contexts broadening the applicability of the system. We validated the system by inducing the expression of both full length and truncated forms of the checkpoint protein Rad9, which revealed that the highly divergent C-terminal domain of Rad9 is necessary for proper subcellular localization...
June 16, 2017: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/28629445/effects-of-perioperative-statin-use-on-cardiovascular-complications-in-patients-submitted-to-non-cardiac-surgery-protocol-for-a-systematic-review-meta-analysis-and-trial-sequential-analysis
#4
Erica Aranha Suzumura, Rodrigo Antonini Ribeiro, Leticia Kawano-Dourado, Pedro Gabriel de Barros E Silva, Claudia Oliveira, Mabel Fernandes Figueiró, Alexandre Biasi Cavalcanti, Renato D Lopes, Otavio Berwanger
BACKGROUND: Preliminary evidence suggests statins may reduce major perioperative vascular events. However, evidence is limited to observational studies, underpowered trials, and non-comprehensive systematic reviews. This review aims to assess the effects of perioperative statin use on cardiovascular complications in patients submitted to non-cardiac surgery. METHODS: We will search MEDLINE/PubMed, EMBASE, LILACS, CENTRAL, Web of Science, and CINAHL for randomized controlled trials assessing the effects of perioperative statin use in adults undergoing non-cardiac surgery and reporting cardiovascular complications...
June 19, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28627760/reproductive-phenology-of-melastomataceae-species-with-contrasting-reproductive-systems-contemporary-and-historical-drivers
#5
Vinícius L G Brito, Fabiano Rodrigo da Maia, Fernando A O Silveira, Carla Magioni Fracasso, José Pires Lemos-Filho, G Wilson Fernandes, Renato Goldenberg, Leonor Patrícia Cerdeira Morellato, Marlies Sazima, Vanessa G Staggemeier
Flowering and fruiting are key events in the life history of plants, and both are critical to their reproductive success. Besides the role of evolutionary history, plant reproductive phenology is regulated by abiotic factors and shaped by biotic interactions with pollinators and seed dispersers. In Melastomataceae, a dominant Neotropical clade, the reproductive systems vary from allogamous with biotic pollination to apomitic, and seed dispersal varies from dry (self-dispersed) to fleshy fruits (animal-dispersed)...
June 19, 2017: Plant Biology
https://www.readbyqxmd.com/read/28627468/a-novel-chalcone-derivative-lqfm064-induces-breast-cancer-cells-death-via-p53-p21-kit-and-pdgfra
#6
Bruna Lannuce Silva Cabral, Artur Christian Garcia da Silva, Renato Ivan de Ávila, Alane Pereira Cortez, Rangel Magalhães Luzin, Luciano Morais Lião, Eric de Souza Gil, Gérman Sanz, Boniek G Vaz, José R Sabino, Ricardo Menegatti, Marize Campos Valadares
This study shows the design, synthesis and antitumoral potential evaluation of a novel chalcone-like compound, (E)-3- (3, 5-di-ter-butyl-4-hydroxyphenyl)-1- (4-hydroxy-3-methoxyphenyl) prop-2-en-1-one [LQFM064) (4)], against human breast adenocarcinoma MCF7 cells. Some toxicological parameters were also investigated. LQFM064) (4) exhibited cytotoxic activity against MCF7 cells (IC50=21μM), in a concentration dependent-manner, and triggered significant changes in cell morphology and biochemical/molecular parameters, which are suggestive of an apoptosis inductor...
June 13, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28625370/rationale-and-design-of-the-apixaban-for-the-reduction-of-thrombo-embolism-in-patients-with-device-detected-sub-clinical-atrial-fibrillation-artesia-trial
#7
Renato D Lopes, Marco Alings, Stuart J Connolly, Heather Beresh, Christopher B Granger, Juan Benezet Mazuecos, Giuseppe Boriani, Jens C Nielsen, David Conen, Stefan H Hohnloser, Georges H Mairesse, Philippe Mabo, A John Camm, Jeffrey S Healey
BACKGROUND: Device-detected subclinical atrial fibrillation (AF) refers to infrequent, short-lasting, asymptomatic AF that is detected only with long-term continuous monitoring. Subclinical AF is common and associated with an increased risk of stroke; however, the risk of stroke with subclinical AF is lower than for clinical AF, and very few patients with subclinical AF alone have been included in large AF anticoagulation trials. The net benefit of anticoagulation in patients with subclinical AF is unknown...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28624363/brazilian-red-propolis-effects-on-peritoneal-macrophage-activity-nitric-oxide-cell-viability-pro-inflammatory-cytokines-and-gene-expression
#8
Bruno Bueno-Silva, Dione Kawamoto, Ellen S Ando-Suguimoto, Renato C V Casarin, Severino M Alencar, Pedro L Rosalen, Marcia P A Mayer
ETHNOPHARMACOLOGICAL RELEVANCE: Propolis has been used in folk medicine since ancient times and it presented inhibitory effect on neutrophil recruitment previously. However, its effect on macrophage obtained from mice remains unclear. AIM OF THE STUDY: to demonstrate BRP effects on LPS activated peritoneal macrophage. MATERIALS AND METHODS: Peritoneal macrophages, obtained from C57BL6 mice and activated with LPS, were treated with 50 to 80µg/mL of crude extract of Brazilian red propolis (BRP) during 48hours...
June 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28624026/the-prediction-of-the-treatment-response-of-cervical-nodes-using-intravoxel-incoherent-motion-diffusion-weighted-imaging
#9
Simona Marzi, Francesca Piludu, Giuseppe Sanguineti, Laura Marucci, Alessia Farneti, Irene Terrenato, Raul Pellini, Maria Benevolo, Renato Covello, Antonello Vidiri
PURPOSE: To investigate the predictive role of Intravoxel Incoherent Motion Diffusion-Weighted Imaging (IVIM-DWI) parameters on cervical nodal response to chemo-radiotherapy (CRT) of head and neck squamous cell carcinoma (HNSCC). MATERIALS AND METHODS: Patients with pathologically confirmed HNSCC were included in the present prospective study, having at least one positive cervical lymph node (LN). They received concomitant CRT and underwent three serial IVIM-DWI investigations: before, at mid-treatment and after treatment completion...
July 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28623298/constraint-based-modeling-identifies-new-putative-targets-to-fight-colistin-resistant-a-baumannii-infections
#10
Luana Presta, Emanuele Bosi, Leila Mansouri, Lenie Dijkshoorn, Renato Fani, Marco Fondi
Acinetobacter baumannii is a clinical threat to human health, causing major infection outbreaks worldwide. As new drugs against Gram-negative bacteria do not seem to be forthcoming, and due to the microbial capability of acquiring multi-resistance, there is an urgent need for novel therapeutic targets. Here we have derived a list of new potential targets by means of metabolic reconstruction and modelling of A. baumannii ATCC 19606. By integrating constraint-based modelling with gene expression data, we simulated microbial growth in normal and stressful conditions (i...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28618016/abcg2-and-cd200-define-patients-at-high-risk-of-relapse-in-enl-favorable-subgroup-of-aml
#11
Mario Tiribelli, Antonella Geromin, Margherita Cavallin, Sara Di Giusto, Erica Simeone, Renato Fanin, Daniela Damiani
OBJECTIVE: overexpression of ABCG2 and CD200 have been independently associated with poor outcome in acute myeloid leukemia (AML). However, no data are available on the role of these two factors in patients with core binding factor (CBF) positive or FLT3-negative / NPM1-mutated cytogenetically normal (CN) AML. METHODS: we analyzed 65 adult AML patients with CBF+ (n=16) or FLT3-/NPM1+ CN (n=49), evaluating clinical and biological factors associated with complete remission attainment, leukemia-free survival (LFS) and overall survival (OS)...
June 15, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28617258/micronized-palmitoylethanolamide-trans-polydatin-treatment-of-endometriosis-related-pain-a-meta-analysis
#12
Ugo Indraccolo, Salvatore Renato Indraccolo, Fiorenzo Mignini
AIM: To demonstrate clinical effectiveness of micronized palmitoylethanolamide-trans-polydatin combination in reducing endometriotic chronic pelvic pain. Other endometriotic-pains were also assessed. METHODS: Systematic reviews of PubMed, SCIELO, Scopus, and AJOL. Randomized trials and observational studies reporting a visual analogue scale for pain or similar in endometriotic patients were reviewed. A mean improvement of visual analogue scale (or visual analogue scale-like) scores at enrollment and at a three-month follow-up was assessed and interpreted clinically...
April 2017: Annali Dell'Istituto Superiore di Sanità
https://www.readbyqxmd.com/read/28615629/effect-of-microgravity-on-aromatase-expression-in-sertoli-cells
#13
Elisa Cirelli, Emanuela De Domenico, Flavia Botti, Renato Massoud, Raffaele Geremia, Paola Grimaldi
Cytochrome P450-aromatase catalyzes estrogen biosynthesis from C19 steroids. In the testis, Sertoli cells express P450-aromatase and represent the primary source of estrogen during prepuberal age. This study focused on the effect of simulated microgravity (SM) on aromatase expression in primary mouse Sertoli cells. When cultured in Rotary Cell Culture System (RCCS), Sertoli cells, formed multicellular three dimensional spheroids (3D). Biological properties were first analyzed in terms of viability, cell cycle, expression of cytoskeletal components and growth factors in comparison to Sertoli cells cultured in spheroids at unit gravity (G)...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28615234/impact-of-routine-fractional-flow-reserve-on-management-decision-and-1-year-clinical-outcome-of-patients-with-acute-coronary-syndromes-prime-ffr-insights-from-the-post-it-portuguese-study-on-the-evaluation-of-ffr-guided-treatment-of-coronary-disease-and-r3f
#14
Eric Van Belle, Sergio-Bravo Baptista, Luís Raposo, John Henderson, Gilles Rioufol, Lino Santos, Christophe Pouillot, Ruben Ramos, Thomas Cuisset, Rita Calé, Emmanuel Teiger, Elisabete Jorge, Loic Belle, Carina Machado, Didier Barreau, Marco Costa, Michel Hanssen, Eduardo Oliveira, Cyril Besnard, João Costa, Jean Dallongeville, João Pipa, Georgios Sideris, Nuno Fonseca, Christophe Bretelle, Jorge Guardado, Nicolas Lhoest, Bruno Silva, Pierre Barnay, Maria-João Sousa, Laurent Leborgne, João Carlos Silva, Flavien Vincent, Alberto Rodrigues, Luís Seca, Renato Fernandes, Patrick Dupouy
BACKGROUND: Fractional flow reserve (FFR) is not firmly established as a guide to treatment in patients with acute coronary syndromes (ACS). Primary goals were to evaluate the impact of integrating FFR on management decisions and on clinical outcome of patients with ACS undergoing coronary angiography, as compared with patients with stable coronary artery disease. METHODS AND RESULTS: R3F (French FFR Registry) and POST-IT (Portuguese Study on the Evaluation of FFR-Guided Treatment of Coronary Disease), sharing a common design, were pooled as PRIME-FFR (Insights From the POST-IT and R3F Integrated Multicenter Registries - Implementation of FFR in Routine Practice)...
June 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28614857/combined-effect-of-the-pgr-331c%C3%A2-%C3%A2-t-cyp17a1-34a%C3%A2-%C3%A2-g-and-cyp19a1-1531g%C3%A2-%C3%A2-a-polymorphisms-on-the-risk-of-developing-endometriosis
#15
Jéssica Vilarinho Cardoso, Daniel Escorsim Machado, Renato Ferrari, Mayara Calixto da Silva, Plínio Tostes Berardo, Jamila Alessandra Perini
Purpose To evaluate the magnitude of the association of the polymorphisms of the genes PGR, CYP17A1 and CYP19A1 in the development of endometriosis. Methods This is a retrospective case-control study involving 161 women with endometriosis (cases) and 179 controls. The polymorphisms were genotyped by real-time polymerase chain reaction using the TaqMan system. The association of the polymorphisms with endometriosis was evaluated using the multivariate logistic regression. Results The endometriosis patients were significantly younger than the controls (36...
June 14, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28614606/antagonism-of-trichoderma-isolates-against-leucoagaricus-gongylophorus-singer-m%C3%A3-ller
#16
Mariela Otoni do Nascimento, Renato de Almeida Sarmento, Gil Rodrigues Dos Santos, Cléia Almeida de Oliveira, Danival José de Souza
Filamentous fungi from the genus Trichoderma are commonly found in soil. They are considered facultative mycoparasites, and are antagonists of other fungi such as the cultivar of leaf-cutting ants (Leucoagaricus gongylophorus). The aim of the present study was to bioprospect Trichoderma spp. from different soils collected from Gurupi, Tocantins, Brazil, for antagonistic effects against the mutualistic fungus of leaf-cutting ants. To isolate filamentous fungi, samples were collected from six locations. Preliminarily, isolates were identified by morphological analysis as belonging to Trichoderma...
June 14, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28614522/ocean-outfalls-as-an-alternative-to-minimizing-risks-to-human-and-environmental-health
#17
Renato Castiglia Feitosa
Submarine outfalls are proposed as an efficient alternative for the final destination of wastewater in densely populated coastal areas, due to the high dispersal capacity and the clearance of organic matter in the marine environment, and because they require small areas for implementation. This paper evaluates the probability of unsuitable bathing conditions in coastal areas nearby to the Ipanema, Barra da Tijuca and Icaraí outfalls based on a computational methodology gathering hydrodynamic, pollutant transport, and bacterial decay modelling...
June 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28614468/-estimating-demand-for-anti-chagas-drugs-a-contribution-for-access-in-latin-america
#18
Gabriela Costa Chaves, Mariana Abi-Saab Arrieche, Joelle Rode, Daniel Mechali, Priscileyne Ouverney Reis, Renato Vieira Alves, Eric Stobbaerts, Nora Girón Aguilar, Isabela Ribeiro
Objective: Describe a tool to estimate demand for benznidazole and nifurtimox to treat Chagas disease, and report on its implementation in a group of Latin American countries. Methods: The project was carried out in the following stages: 1) development of a tool to estimate demand, and definition of the evaluation and decision variables to estimate demand 2) data collection via a questionnaire completed by representatives of control programs, complemented with data from the literature; 3) presentation of the tool, followed by validation, and adaptation by representatives of the control programs in order to plan drug procurement for 2012 and 2013; and 4) further analysis of the obtained data, especially regarding benznidazole, and comparison of country estimates...
June 8, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28611969/anastomotic-strictures-after-esophageal-atresia-repair-incidence-investigations-and-management-including-treatment-of-refractory-and-recurrent-strictures
#19
REVIEW
Renato Tambucci, Giulia Angelino, Paola De Angelis, Filippo Torroni, Tamara Caldaro, Valerio Balassone, Anna Chiara Contini, Erminia Romeo, Francesca Rea, Simona Faraci, Giovanni Federici di Abriola, Luigi Dall'Oglio
Improved surgical techniques, as well as preoperative and postoperative care, have dramatically changed survival of children with esophageal atresia (EA) over the last decades. Nowadays, we are increasingly seeing EA patients experiencing significant short- and long-term gastrointestinal morbidities. Anastomotic stricture (AS) is the most common complication following operative repair. An esophageal stricture is defined as an intrinsic luminal narrowing in a clinically symptomatic patient, but no symptoms are sensitive or specific enough to diagnose an AS...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28610705/anastomotic-ulcers-in-short-bowel-syndrome-new-suggestions-from-a-multidisciplinary-approach
#20
Fabio Fusaro, Renato Tambucci, Erminia Romeo, Pietro Bagolan, Luigi Dall'Oglio, Stefano Ceccarelli, Paola Francalanci, Dominique Hermans, Andrea Pietrobattista, Antonella Diamanti, Filippo Torroni, Paola De Angelis
BACKGROUND AND AIMS: Anastomotic ulceration (AU) is a rare potential life-threatening complication that may occur after intestinal resection. The diagnosis is often delayed after a long-lasting history of refractory anemia. The pathogenesis remains unknown and there are no established therapies. The aim of the study was to analyze the medical history of children with short bowel syndrome (SBS) who were experiencing AU. METHODS: Records of SBS children were retrospectively reviewed...
June 3, 2017: Journal of Pediatric Surgery
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