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https://www.readbyqxmd.com/read/28511054/synthesis-and-in-vitro-anticancer-activity-of-new-2-thioxo-oxazolidin-4-one-derivatives
#1
Júlia Furtado Campos, Michelly Cristiny Pereira, Wanessa Layssa Batista de Sena, Caio Gomes de Barros Martins, Jamerson Ferreira de Oliveira, Cezar Augusto da Cruz Amorim, Moacyr Jesus Barreto de Melo Rêgo, Marina Galdino da Rocha Pitta, Maria do Carmo Alves de Lima, Maira Galdino da Rocha Pitta, Ivan da Rocha Pitta
BACKGROUND: Oxazolidinones derivatives exhibit different biological properties, including anticancer activity. This work aimed to investigate the anticancer potential of five novel 2-Thioxo-oxazolidin-4-one derivatives. METHODS: Cytotoxicity assays were performed in human peripheral blood mononuclear cells (PBMCs) from healthy individuals and seven tumor cell lines. Apoptosis detection and cell cycle were evaluated by flow cytometry and the expression of genes involved in cell death processes by Real-Time PCR...
March 18, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28485107/low-doses-of-glyphosate-enhance-growth-co2-assimilation-stomatal-conductance-and-transpiration-in-sugarcane-and-eucalyptus
#2
Renan F Nascentes, Caio A Carbonari, Plinio S Simões, Marcela C Brunelli, Edivaldo D Velini, Stephen O Duke
INTRODUCTION: Sublethal doses of herbicides can enhance plant growth and stimulate other process, an effect known as hormesis. The magnitude of hormesis is dependent on the plant species, the herbicide and its dose, plant development stage, and environmental parameters. Glyphosate hormesis is well established, but relatively little is known of the mechanism of this phenomenon. The objective of this study was to determine if low doses of glyphosate that cause growth stimulation in sugarcane and eucalyptus concomitantly stimulate CO2 assimilation...
May 9, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28480172/high-sucrolytic-activity-by-invertase-immobilized-onto-magnetic-diatomaceous-earth-nanoparticles
#3
Mariana P Cabrera, Caio R D Assis, David F M Neri, Claudete F Pereira, Fernando Soria, Luiz B Carvalho
Invertase immobilized on magnetic diatomaceous earth nanoparticles (mDE-APTES-invertase) with high sucrolytic activity was obtained by an easy and low-cost method. An experimental design was carried out to investigate the best immobilization conditions and it allowed obtaining an immobilized derivative with a residual specific activity equal to 92.5%. Then, a second experimental design selected the mDE-APTES-invertase with higher specific activity in relation to other derivatives reported in the literature (2...
March 2017: Biotechnology Reports
https://www.readbyqxmd.com/read/28476164/wnt-beta-catenin-pathway-modulating-anticancer-immune-response
#4
REVIEW
Sachin Gopalkrishna Pai, Benedito A Carneiro, Jose Mauricio Mota, Ricardo Costa, Caio Abner Leite, Romualdo Barroso-Sousa, Jason Benjamin Kaplan, Young Kwang Chae, Francis Joseph Giles
Wnt/β-catenin signaling, a highly conserved pathway through evolution, regulates key cellular functions including proliferation, differentiation, migration, genetic stability, apoptosis, and stem cell renewal. The Wnt pathway mediates biological processes by a canonical or noncanonical pathway, depending on the involvement of β-catenin in signal transduction. β-catenin is a core component of the cadherin protein complex, whose stabilization is essential for the activation of Wnt/β-catenin signaling. As multiple aberrations in this pathway occur in numerous cancers, WNT-directed therapy represents an area of significant developmental therapeutics focus...
May 5, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28469938/aqueous-vascular-endothelial-growth-factor-and-clinical-outcomes-correlation-after-single-intravitreal-injection-of-bevacizumab-in-patients-with-neovascular-age-related-macular-degeneration
#5
Thiago Cabral, Luiz H Lima, Júlia Polido, Jimmy Duong, Érika Okuda, Akiyoshi Oshima, Pedro Serracarbassa, Caio V Regatieri, Rubens Belfort
PURPOSE: To evaluate the concentration of vascular endothelial growth factor (VEGF) in aqueous humor after a single intravitreal injection of bevacizumab (IVB) in eyes with neovascular age-related macular degeneration (AMD). METHODS: In this prospective interventional case series study, 24 eyes of 24 patients with types 1 and 2 choroidal neovascularization secondary to neovascular AMD were treated with a single intravitreal injection of bevacizumab. Aqueous humor samples were obtained before the intravitreal injection and at one week, one month, and three months follow-up periods...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28459655/comparative-analyses-of-zebrafish-anxiety-like-behavior-using-conflict-based-novelty-tests
#6
Elana V Kysil, Darya A Meshalkina, Erin E Frick, David J Echevarria, Denis B Rosemberg, Caio Maximino, Monica Gomes Lima, Murilo S Abreu, Ana C Giacomini, Leonardo J G Barcellos, Cai Song, Allan V Kalueff
Modeling of stress and anxiety in adult zebrafish (Danio rerio) is increasingly utilized in neuroscience research and central nervous system (CNS) drug discovery. Representing the most commonly used zebrafish anxiety models, the novel tank test (NTT) focuses on zebrafish diving in response to potentially threatening stimuli, whereas the light-dark test (LDT) is based on fish scototaxis (innate preference for dark vs. bright areas). Here, we systematically evaluate the utility of these two tests, combining meta-analyses of published literature with comparative in vivo behavioral and whole-body endocrine (cortisol) testing...
May 1, 2017: Zebrafish
https://www.readbyqxmd.com/read/28450867/p2x7-receptor-in-bone-marrow-derived-cells-aggravates-tuberculosis-caused-by-hypervirulent-mycobacterium-bovis
#7
Caio César Barbosa Bomfim, Eduardo Pinheiro Amaral, Alexandra Dos Anjos Cassado, Érika Machado Salles, Rogério Silva do Nascimento, Elena Lasunskaia, Mario Hiroyuki Hirata, José Maria Álvarez, Maria Regina D'Império-Lima
Tuberculosis (TB) remains a serious public health problem despite the great scientific advances in the recent decades. We have previously shown that aggressive forms of TB caused by hypervirulent strains of Mycobacterium tuberculosis and Mycobacterium bovis are attenuated in mice lacking the P2X7 receptor, an ion channel activated by extracellular ATP. Therefore, P2X7 receptor is a potential target for therapeutic intervention. In vitro, hypervirulent mycobacteria cause macrophage death by a P2X7-dependent mechanism that facilitates bacillus dissemination...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28444099/association-of-the-protein-tyrosine-phosphatase-non-receptor-22-polymorphism-ptpn22-with-endometriosis-a-meta-analysis
#8
Noel Pabalan, Hamdi Jarjanazi, Denise Maria Christofolini, Bianca Bianco, Caio Parente Barbosa
Objective: To evaluate PTPN22 C1858T polymorphism and the risk of endometriosis. Methods: A meta-analysis of 10 published case-control studies (from four articles), with a total sample of 971 cases and 1,181 controls, was performed. We estimated risk (odds ratio and 95% confidence intervals) of endometriosis associations with the C1858T polymorphism. Results: A significant increased risk in all genetic models of the variant T allele with endometriosis (odds ratio: 3...
January 2017: Einstein
https://www.readbyqxmd.com/read/28443965/prognosis-determinants-after-cardioverter-defibrillators-implantation-in-brazil
#9
Arn Migowski, Regina Maria de Aquino Xavier, Katia Regina da Silva, Caio Marcos de Moraes Albertini, Elizabeth Sartori Crevelari, Eduardo Infante Januzzi de Carvalho, Alfredo Inácio Fiorelli, Martino Martinelli Filho, Roberto Costa
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28441788/hsp27-and-hsp70-expression-in-esophageal-squamous
#10
Caio Cesar Floriano Luz, Juliana Noguti, Leandro Borges de Araújo, Mara Silva Dos Santos Gianni, Thiago Simão Gomes, Artigiani Neto Ricardo
Twenty-eight specimens of Esophael squamous cell carcinoma (ESCC) were obtained by surgery procedures.The tissues were fixed in formalin and embedded in paraffin. In each case, all available hematoxylin and eosin stained sections were examined and a representative block was selected. The ages of these patients ranged from 40 to 93 years, with a mean age of 60 years. Results. The histological grade of tumors was 4 well-differentiated, 19 moderately differentiated and 5 poorly differentiated. Expression of Hsp27 and Hsp70 in ESCC was demonstrated in 23 (82,14%) and 26 (92,86%) cases, respectively...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28439639/searching-for-consensus-in-the-approach-to-patients-with-chronic-lateral-ankle-instability-ask-the-expert
#11
Frederick Michels, H Pereira, J Calder, G Matricali, M Glazebrook, S Guillo, J Karlsson, Jorge Acevedo, Jorge Batista, Thomas Bauer, James Calder, Dominic Carreira, Woojin Choi, Nuno Corte-Real, Mark Glazebrook, Ali Ghorbani, Eric Giza, Stéphane Guillo, Kenneth Hunt, Jon Karlsson, S W Kong, Jin Woo Lee, Frederick Michels, Andy Molloy, Peter Mangone, Kentaro Matsui, Caio Nery, Saturo Ozeki, Chris Pearce, Hélder Pereira, Anthony Perera, Bas Pijnenburg, Fernando Raduan, James Stone, Masato Takao, Yves Tourné, Jordi Vega
PURPOSE: The purpose of this study is to propose recommendations for the treatment of patients with chronic lateral ankle instability (CAI) based on expert opinions. METHODS: A questionnaire was sent to 32 orthopaedic surgeons with clinical and scientific experience in the treatment of CAI. The questions were related to preoperative imaging, indications and timing of surgery, technical choices, and the influence of patient-related aspects. RESULTS: Thirty of the 32 invited surgeons (94%) responded...
April 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28438940/emergence-of-plasmid-mediated-mcr-1-gene-in-clinical-kpc-2-producing-klebsiella-pneumoniae-st392-in-brazil
#12
Caio Augusto Martins Aires, Orlando Carlos da Conceição-Neto, Thamirys Rachel Tavares E Oliveira, Carolina Frizzera Dias, Lara Feital Montezzi, Renata Cristina Picão, Rodolpho Mattos Albano, Marise Dutra Asensi, Ana Paula D'Alincourt Carvalho-Assef
Since the first report of the plasmid-mediated colistin resistance mcr-1 gene in Escherichia coli and Klebsiella pneumoniae isolates from China (1), mcr-1 had already spread to most continents, being detected in different species from several sources, including in carbapenemase-producing clinical isolates (2).….
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28424241/microbiota-induced-antibodies-are-essential-for-host-inflammatory-responsiveness-to-sterile-and-infectious-stimuli
#13
Daniel Cisalpino, Caio T Fagundes, Camila B Brito, Fernando R Ascenção, Celso M Queiroz-Junior, Angélica T Vieira, Lirlândia P Sousa, Flávio A Amaral, Leda Q Vieira, Jacques R Nicoli, Mauro M Teixeira, Danielle G Souza
The indigenous intestinal microbiota is frequently considered an additional major organ of the human body and exerts profound immunomodulating activities. Germ-free (GF) mice display a significantly different inflammatory responsiveness pattern compared with conventional (CV) mice, and this was dubbed a "hyporesponsive phenotype." Taking into account that the deposition of immune complexes is a major event in acute inflammation and that GF mice have a distinct Ig repertoire and B cell activity, we aimed to evaluate whether this altered Ig repertoire interferes with the inflammatory responsiveness of GF mice...
May 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28421130/antiretroviral-therapy-initiation-alters-the-redox-system-of-asymptomatic-hiv-infected-individuals-a-longitudinal-study
#14
Karen Ingrid Tasca, Juliana Trindade Caleffi, Camila Renata Correa, Mariana Gatto, Francilene Capel Tavares, Caio Cavassan Camargo, Alexandrina Sartori, Mara Biasin, Lenice do Rosário de Souza
Background. The combination antiretroviral therapy (cART) increases the oxidative stress in HIV-infected people, which in turn favors the onset and aggravation of non-AIDS comorbidities, a common situation affecting these individuals. We aimed to evaluate the influence of cART initiation on oxidative stress parameters. This is a longitudinal study including 30 asymptomatic patients divided according to their CD4+ T cell count (G1: <500 cell/mL; G2: >500 cell/mL) before (M0) and after (M1) cART initiation...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28410456/use-of-bone-morphogenetic-protein-15-polymorphisms-to-predict-ovarian-stimulation-outcomes-in-infertile-brazilian-women
#15
Carla Peluso, Cecilia Goldman, Viviane Cavalcanti, Guilherme Gastaldo, Camila Martins Trevisan, Denise Maria Christofolini, Caio Parente Barbosa, Bianca Bianco
AIMS: Polymorphisms in the gene encoding bone morphogenetic protein 15 (BMP15) can result in inhibited secretion or lowered bioactivity of the BMP15 protein. BMP15 levels are associated with follicle-stimulating hormone receptor (FSHR) action on granulosa cells, wherein FSHR increases the sensitivity of ovarian follicles to follicle-stimulating hormone (FSH). In this study we evaluated the BMP15 polymorphisms A905 > G/rs3897937, C901 > T/rs17003221, and C-9 > G/rs3810682 in infertile Brazilian women in terms of anti-Mullerian hormone (AMH), FSH, and estradiol serum levels, as well as controlled ovarian hyperstimulation response and assisted reproduction outcomes...
May 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28409685/monitoring-of-pneumothorax-appearance-with-electrical-impedance-tomography-during-recruitment-maneuvers
#16
Caio C A Morais, Roberta R De Santis Santiago, José R B de Oliveira Filho, Adriana S Hirota, Pedro H D Pacce, Juliana C Ferreira, Erick D L B Camargo, Marcelo B P Amato, Eduardo L V Costa
No abstract text is available yet for this article.
April 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28409133/evaluation-of-the-functional-results-after-rotator-cuff-arthroscopic-repair-with-the-suture-bridge-technique
#17
Alberto Naoki Miyazaki, Pedro Doneux Santos, Guilherme do Val Sella, Caio Santos Checchia, Thiago Roncoletta Salata, Sergio Luiz Checchia
OBJECTIVE: To evaluate the results of arthroscopic treatment of large and extensive rotator cuff injuries (RCI) that involved the supra and infraspinatus muscles using the suture bridge (SB) technique. METHODS: Between July 2010 and November 2014, 37 patients with RCI who were treated with SB technique were evaluated. The study included all patients with a minimum follow-up of 12 months who underwent primary surgery of the shoulder. Twenty-four patients were male and 13 were female...
March 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28408889/effects-of-sesame-sesamum-indicum-l-supplementation-on-creatine-kinase-lactate-dehydrogenase-oxidative-stress-markers-and-aerobic-capacity-in-semi-professional-soccer-players
#18
Carlos V da Silva Barbosa, Alexandre S Silva, Caio V C de Oliveira, Nayara M L Massa, Yasmim R F de Sousa, Whyara K A da Costa, Ayice C Silva, Plínio Delatorre, Rhayane Carvalho, Valdir de Andrade Braga, Marciane Magnani
Nutritional intervention with antioxidants rich foods has been considered a strategy to minimize the effects of overtraining in athletes. This experimental, randomized, and placebo-controlled study evaluated the effects of consumption of sesame (Sesamum indicum L.) on muscle damage markers, oxidative stress, systemic inflammation, and aerobic performance in male semi-professional soccer players. Twenty athletes were randomly assigned to groups that received 40 g (two tablespoons) per day of sesame or a placebo during 28 days of regular training (exposed to routine training that includes loads of heavy training in the final half of the season)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28390962/in-vitro-activity-of-fosfomycin-trometamol-and-other-oral-antibiotics-against-multidrug-resistant-uropathogens
#19
Maria Lina Mezzatesta, Giulia La Rosa, Gaetano Maugeri, Tiziana Zingali, Carla Caio, Andrea Novelli, Stefania Stefani
Clinical midstream and urinary catheter isolates (n = 106) of extended-spectrum β-lactamase (ESBL)-positive Escherichia coli, Klebsiella pneumoniae carbapenemase (KPC)-producing Klebsiella pneumoniae, Proteus mirabilis and meticillin-resistant Staphylococcus saprophyticus were tested against fosfomycin using the agar dilution method, the broth microdilution method and the gradient test described by the Clinical and Laboratory Standards Institute. Nitrofurantoin, co-trimoxazole, amoxicillin/clavulanic acid, cefuroxime, levofloxacin and ciprofloxacin were tested using the gradient test alone...
June 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28387238/large-scale-snp-discovery-and-construction-of-a-high-density-genetic-map-of-colossoma-macropomum-through-genotyping-by-sequencing
#20
José de Ribamar da Silva Nunes, Shikai Liu, Fábio Pértille, Caio Augusto Perazza, Priscilla Marqui Schmidt Villela, Vera Maria Fonseca de Almeida-Val, Alexandre Wagner Silva Hilsdorf, Zhanjiang Liu, Luiz Lehmann Coutinho
Colossoma macropomum, or tambaqui, is the largest native Characiform species found in the Amazon and Orinoco river basins, yet few resources for genetic studies and the genetic improvement of tambaqui exist. In this study, we identified a large number of single-nucleotide polymorphisms (SNPs) for tambaqui and constructed a high-resolution genetic linkage map from a full-sib family of 124 individuals and their parents using the genotyping by sequencing method. In all, 68,584 SNPs were initially identified using minimum minor allele frequency (MAF) of 5%...
April 7, 2017: Scientific Reports
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