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https://www.readbyqxmd.com/read/28640517/hepatocellular-carcinoma-in-south-america-evaluation-of-risk-factors-demographics-and-therapy
#1
Jose D Debes, Aaron J Chan, Domingo Balderramo, Luciana Kikuchi, Esteban Gonzalez Ballerga, Jhon E Prieto, Monica Tapias, Victor Idrovo, Milagros B Davalos, Fernando Cairo, Fernando J Barreyro, Sebastian Paredes, Nelia Hernandez, Karla Avendaño, Javier Diaz Ferrer, Ju Dong Yang, Enrique Carrera, Jairo A Garcia, Angelo Z Mattos, Bruno S Hirsch, Pablo T Gonçalves, Flair J Carrilho, Lewis R Roberts
BACKGROUND AND AIMS: Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related death worldwide. Most studies addressing the epidemiology of HCC originate from developed countries. This study reports the preliminary findings of a multinational approach to characterize HCC in South America. METHODS: We evaluated 1336 HCC patients seen at 14 centers in six South American countries using a retrospective study design with participating centers completing a template chart of patient characteristics...
June 22, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28638772/tin-bismuth-and-tin-bismuth-alloy-electrodeposition-from-chlorometalate-salts-in-deep-eutectic-solvents
#2
Luciana Vieira, Jennifer Burt, Peter W Richardson, Daniel Schloffer, David Fuchs, Alwin Moser, Philip N Bartlett, Gillian Reid, Bernhard Gollas
The electrodeposition of tin, bismuth, and tin-bismuth alloys from Sn(II) and Bi(III) chlorometalate salts in the choline chloride/ethylene glycol (1:2 molar ratio) deep eutectic solvent was studied on glassy carbon and gold by cyclic voltammetry, rotating disc voltammetry, and chronoamperometry. The Sn(II)-containing electrolyte showed one voltammetric redox process corresponding to Sn(II)/Sn(0). The diffusion coefficient of [SnCl3](-), detected as the dominating species by Raman spectroscopy, was determined from Levich and Cottrell analyses...
June 2017: ChemistryOpen
https://www.readbyqxmd.com/read/28638552/efficacy-of-three-methods-for-inserting-calcium-hydroxide-based-paste-in-root-canals
#3
Thales Galvão, Bernardo Camargo, Luciana Armada, Flávio Alves
BACKGROUND: To compare the quality of calcium hydroxide paste fillings performed by three different techniques. MATERIAL AND METHODS: Sixty extracted maxillary central incisors, with previous root canal treatment, were decoronated and the gutta-percha was completely removed from the root canals. Subsequently, the canals were filled with a calcium hydroxide-based paste composed of calcium hydroxide, bismuth carbonate, and glycerin. The study samples were divided into the following three groups on the basis of three insertion techniques (n = 20, each): conventional technique using a hand instrument (MAN), rotary Lentulo spiral (LEN) technique, and a combined technique combining conventional hand files with sonic activation through the EndoActivator device (EA)...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638180/in-situ-cytokine-expression-and-morphometric-evaluation-of-total-collagen-and-collagens-type-i-and-type-iii-in-keloid-scars
#4
Isabela Rios da Silva, Luciana Colombo Rodrigues da Cunha Tiveron, Marcos Vinicius da Silva, Alberto Borges Peixoto, Carla Aparecida Xavier Carneiro, M A Dos Reis, Pedro Carvalho Furtado, Bárbara Rocha Rodrigues, Virmondes Rodrigues, Denise Bertulucci Rocha Rodrigues
Keloids are characterized by excessive collagen deposition and growth beyond the edges of the initial injury, and cytokines may be related to their formation. The objective of this study was to evaluate the collagen fibers, analyze in situ expression of cytokines in keloid lesions, and compare to the control group. Results showed that there was a predominance of women and nonwhite and direct black ancestry. Keloid showed a significant increase in total and type III collagen. Significantly, the expression of mRNA for TGF-β in keloid was increased, the expressions of IFN-γ, IFN-γR1, and IL-10 were lower, and IFN-γR1 and TNF-α had no statistical difference...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28637805/conjugation-of-pspa4pro-with-capsular-streptococcus-pneumoniae-polysaccharide-serotype-14-does-not-reduce-the-induction-of-cross-reactive-antibodies
#5
Míriam A da Silva, Thiago R Converso, Viviane M Gonçalves, Luciana C C Leite, Martha M Tanizaki, Giovana C Barazzone
Current pneumococcal vaccines are composed of bacterial polysaccharides as antigens plain or conjugated to carrier proteins. While efficacious against vaccine serotypes, epidemiologic data shows increasing incidence of infections caused by non-vaccine serotypes of Streptococcus pneumoniae. The use of Pneumococcal surface protein A (PspA) as a carrier protein in a conjugate vaccine could help preventing serotype replacement by increasing vaccine coverage and reducing selective pressure of S. pneumoniae serotypes...
June 21, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28635541/association-between-abnormal-brain-functional-connectivity-in-children-and-psychopathology-a-study-based-on-graph-theory-and-machine-learning
#6
João Ricardo Sato, Claudinei Eduardo Biazoli, Giovanni Abrahão Salum, Ary Gadelha, Nicolas Crossley, Gilson Vieira, André Zugman, Felipe Almeida Picon, Pedro Mario Pan, Marcelo Queiroz Hoexter, Edson Amaro, Mauricio Anés, Luciana Monteiro Moura, Marco Antonio Gomes Del'Aquilla, Philip Mcguire, Luis Augusto Rohde, Euripedes Constantino Miguel, Andrea Parolin Jackowski, Rodrigo Affonseca Bressan
OBJECTIVES: One of the major challenges facing psychiatry is how to incorporate biological measures in the classification of mental health disorders. Many of these disorders affect brain development and its connectivity. In this study, we propose a novel method for assessing brain networks based on the combination of a graph theory measure (eigenvector centrality) and a one-class support vector machine (OC-SVM). METHODS: We applied this approach to resting-state fMRI data from 622 children and adolescents...
February 8, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28632191/sexually-transmitted-infections-a-novel-screening-strategy-for-improving-women-s-health-in-vulnerable-populations
#7
Elena R Frati, Ester Fasoli, Marianna Martinelli, Daniela Colzani, Silvia Bianchi, Luciana Carnelli, Antonella Amendola, Pierfranco Olivani, Elisabetta Tanzi
BACKGROUND: Migrant women are one of the most vulnerable population to health problems and well-being. This study aimed at implementing a counseling and preventive strategy for sexually transmitted infections (STIs) in undocumented migrant women in Milan, Italy. METHODS: Women (ages 18-65) were enrolled at the NAGA Centre (2012-2013) and asked for a urine sample in order to carry out molecular detection of Human papillomavirus (HPV), Chlamydia trachomatis (Ct), Trichomonas vaginalis (Tv), Neisseria gonorrhoeae (Ng)-DNA...
June 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28632186/insights-into-penicillium-brasilianum-secondary-metabolism-and-its-biotechnological-potential
#8
REVIEW
Jaqueline Moraes Bazioli, Luciana Da Silva Amaral, Taícia Pacheco Fill, Edson Rodrigues-Filho
Over the past few years Penicillium brasilianum has been isolated from many different environmental sources as soil isolates, plant endophytes and onion pathogen. All investigated strains share a great ability to produce bioactive secondary metabolites. Different authors have investigated this great capability and here we summarize the metabolic potential and the biological activities related to P. brasilianum's metabolites with diverse structures. They include secondary metabolites of an alkaloid nature, i...
June 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28630557/international-guidelines-on-human-rights-and-drug-control-a-tool-for-securing-women-s-rights-in-drug-control-policy
#9
Rebecca Schleifer, Luciana Pol
Discrimination and inequality shape women's experiences of drug use and in the drug trade and the impact of drug control efforts on them, with disproportionate burdens faced by poor and otherwise marginalized women. In recent years, UN member states and UN drug control and human rights entities have recognized this issue and made commitments to integrate a 'gender perspective' into drug control policies, with 'gender' limited to those conventionally deemed women. But the concept of gender in international law is broader, rooted in socially constructed and culturally determined norms and expectations around gender roles, sex, and sexuality...
June 2017: Health and Human Rights
https://www.readbyqxmd.com/read/28629310/editorial-identification-of-lead-compounds-using-metabolomic-analysis-in-drug-discovery
#10
EDITORIAL
Luciana Scotti, Marcus T Scotti, Ericsson Coy-Barrera
No abstract text is available yet for this article.
2017: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/28627893/green-and-facile-esterification-procedure-leading-to-crystalline-functionalized-graphite-oxide
#11
Maria Rosaria Acocella, Luciana D'Urso, Mario Maggio, Roberto Avolio, Maria Emanuela Errico, Gaetano Guerra
A simple and eco-friendly procedure of esterification of graphite oxide (GO), which uses acetic anhydride as model reagent and ethyl acetate as green solvent, is reported. The procedure leads to high functionalization degrees (at least up to 4.5 mol% of acetyl groups, referred to graphitic C atoms) and it is much more effective than the literature one based on pure acetic anhydride. Surprisingly, our acetylation procedure does not destroy or reduce GO crystallinity but, irrespective of a substantial increase of distance between GO layers (from 0...
June 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28627738/systematic-review-on-the-proteomic-profile-of-mycobacterium-tuberculosis-exposed-to-drugs
#12
REVIEW
Paula Aline Zanetti Campanerut-Sá, Luciana Dias Ghiraldi-Lopes, Jean Eduardo Meneguello, Jorge Juarez Vieira Teixeira, Regiane Bertin de Lima Scodro, Vera Lucia Dias Siqueira, Terezinha Inez Estivalet Svidzinski, Fernando Rogério Pavan, Rosilene Fressatti Cardoso
We present an over view about proteomics studies in Mycobacterium tuberculosis exposed to some anti-tuberculosis drugs and new candidates, using two-dimensional gel electrophoresis and mass spectrometry. To date, that we have knowledge, this is the first studies that was performed specifically in M. tuberculosis using systematic review on electronic literature conducted in three databases using the following search terms: tuberculosis OR mycobacterium tuberculosis, proteome OR proteomics, and mass spectrometry electrospray ionization OR matrix assisted laser desorption ionization OR two dimensional gel electrophoresis...
June 19, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28627213/nonalcoholic-fatty-liver-disease-nafld-pathophysiology-in-obese-children-and-adolescents-update
#13
Silvana Neves Ferraz de Assunção, Ney Christian Boa Sorte, Crésio Dantas Alves, Patricia S Almeida Mendes, Carlos Roberto Brites Alves, Luciana Rodrigues Silva
OBJECTIVE: Although the nonalcoholic fatty liver disease was first identified in 1980, it presents multifactorial and unclear pathophysiology. In this review, we intend to update the pathophysiological mechanisms of a high morbidity and mortality associated disease that is affecting obese children worldwide. DATA SOURCES: The PubMed and the Cochrane Library databases were used in the search strategy for articles related to nonalcoholic fatty liver disease and published in the last three decades...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28623675/development-of-a-prototype-immunochromatographic-test-for-rapid-diagnosis-of-respiratory-adenovirus-infection
#14
Inarei Paulini, Joselma Siqueira-Silva, Luciana Thomaz, Leticia Rocha, Charlotte Harsi, Nancy Bellei, Celso Granato
Human adenoviruses comprise an important group of etiologic agents that are responsible for various diseases in adults and children, such as respiratory, ocular, gastroenteric, and urinary infections. In immunocompromised and organ-transplanted individuals, these agents can cause generalized infections. Rapid diagnostic methods for detecting these infectious agents are not widely available. The aim of this work was to produce monoclonal and polyclonal anti-adenovirus antibodies to be used in a rapid diagnostic test for respiratory infections...
June 14, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28622113/seafarers-perception-of-job-demand-a-cross-sectional-study
#15
Luisa Maria Roberta Tedesco, Pietro Ferrara, Lucia Stromillo, Antonio Arnese, Luciana Albano
The study offers an insight regarding seafarers' perceptions towards factors of psychological distress on board. In order to identify stressors on sea-workers, a cross-sectional survey was conducted, targeting a population group of workers of Italian shipping companies sailing across the world. The research aimed to investigate workers' demographic and professional characteristics and in what ways them influence perception of job fatigue, using an Italian version of the Karasek questionnaire. The 80.1% of the involved seafarers returned the questionnaire, yielding a mean level of perceived job demand of 32...
June 16, 2017: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28621878/isolation-and-chemical-characterization-of-agelaiatoxin8-avtx8-from-agelaia-vicina-wasp-venom-and-its-biological-effects-on-gaba-neurotransmission
#16
Andrea B Pizzo, Renê O Beleboni, Ruither O Gomes Carolino, Luciana de Oliveira, Antonio Miranda, Joaquim Coutinho-Netto, Andréia C K Fontana, Wagner Ferreira Dos Santos
Arthropod venoms are sources of molecules that may be useful tools to investigate molecular mechanisms of putative new medicines and laboratory drugs. Here we show the effects of the compound agelaiatoxin-8 (AVTx8), isolated from Agelaia vicina venom, on γ-aminobutyric acid (GABA) neurotransmission in rat brain synaptosomes. Analysis reveals that AvTx8 is composed by 14 amino acid residues with a molecular weight (MW) of 1567 Da. AvTx8 increased GABA release and inhibited GABA uptake in synaptosomes from rat cerebral cortex...
June 16, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28621438/moderate-alcoholic-beer-consumption-the-effects-on-the-lipid-profile-and-insulin-sensitivity-of-adult-men
#17
Luciana C Nogueira, Rafaela F do Rio, Pablo C B Lollo, Isabel M P L V O Ferreira
Beer is the most consumed alcoholic beverage in the world. The purpose was to compare the effects of consuming alcoholic beer (AB) and nonalcoholic beer (NAB) on the biochemical blood parameters. Two beers were produced under known and controlled conditions from the same raw material, NAB (0.6%, v/v) and AB with the addition of 6% grain alcohol. Fifteen healthy adult men (aged 20 to 57 y) underwent 3 treatments (30 d per treatment). In Treatment 1 (Baseline), they followed their usual diet without drinking any alcoholic beverage; in Treatment 2, they added the daily consumption of 330 mL NAB; and in Treatment 3, they added the daily consumption of 330 mL AB...
June 16, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28620146/mitochondrial-asncmtrna-1-and-asncmtrna-2-as-potent-targets-to-inhibit-tumor-growth-and-metastasis-in-the-renca-murine-renal-adenocarcinoma-model
#18
Vincenzo Borgna, Jaime Villegas, Verónica A Burzio, Sebastián Belmar, Mariela Araya, Emanuel Jeldes, Lorena Lobos-González, Verónica Silva, Claudio Villota, Luciana Oliveira-Cruz, Constanza Lopez, Teresa Socias, Octavio Castillo, Luis O Burzio
Knockdown of antisense noncoding mitochondrial RNAs (ASncmtRNAs) induces apoptosis in several human and mouse tumor cell lines, but not normal cells, suggesting this approach for a selective therapy against different types of cancer. Here we show that in vitro knockdown of murine ASncmtRNAs induces apoptotic death of mouse renal adenocarcinoma RenCa cells, but not normal murine kidney epithelial cells. In a syngeneic subcutaneous RenCa model, treatment delayed and even reversed tumor growth. Since the subcutaneous model does not reflect the natural microenviroment of renal cancer, we used an orthotopic model of RenCa cells inoculated under the renal capsule...
June 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28619847/targeted-activation-of-the-shp-1-pp2a-signalling-axis-elicits-apoptosis-of-chronic-lymphocytic-leukemia-cells
#19
Elena Tibaldi, Mario Angelo Pagano, Federica Frezzato, Valentina Trimarco, Monica Facco, Giuseppe Zagotto, Giovanni Ribaudo, Valeria Pavan, Luciana Bordin, Andrea Visentin, Francesca Zonta, Gianpietro Semenzato, Anna Maria Brunati, Livio Trentin
The Src Family Kinase (SFK) Lyn is a key factor in the dysregulation of survival and apoptotic pathways of malignant B cells in chronic lymphocytic leukemia. One of the effects of Lyn's action is the spatial and functional segregation of the tyrosine phosphatase SHP-1 into two pools, one beneath the plasma membrane in an active state promoting pro-survival signals, the other in the cytosol in an inhibited conformation and unable to counter the elevated level of cytosolic tyrosine phosphorylation. We herein show that SHP-1 activity can be elicited directly by nintedanib, an agent also known as a triple angiokinase inhibitor, circumventing the phospho-S591-dependent inhibition of the phosphatase, leading to the dephosphorylation of pro-apoptotic players such as procaspase-8 and the serine/threonine phosphatase 2A, eventually triggering apoptosis...
June 15, 2017: Haematologica
https://www.readbyqxmd.com/read/28619613/does-supplemental-photodynamic-therapy-optimize-the-disinfection-of-bacteria-and-endotoxins-in-one-visit-and-two-visit-root-canal-therapy-a-randomized-clinical-trial
#20
Diego G D Rabello, Bruna J M Corazza, Luciana L Ferreira, Mauro P Santamaria, Ana P M Gomes, Frederico C Martinho
AIM: to evaluate the effectiveness of supplemental photodynamic therapy (PDT) in optimizing the removal of bacteria and endotoxins from primarily infected root canals after one-visit and two-visit treatments. METHODOLOGY: Twenty-four primarily infected root canals with apical periodontitis were selected and randomly divided into one-visit (n=12) and two-visit treatment groups (n=12). Chemo-mechanical preparation (CMP) was performed by using the single-file reciprocating technique+2...
June 12, 2017: Photodiagnosis and Photodynamic Therapy
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