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https://www.readbyqxmd.com/read/28938405/short-term-high-fat-diet-increases-leptin-activation-of-cart-neurons-and-advances-puberty-in-female-mice
#1
Jade Cabestre Venancio, Lisandra Oliveira Margatho, Rodrigo C Rorato, Roberta Ribeiro Costa Rosales, Lucas Kniess Debarba, Ricardo Coletti, Jose Antunes-Rodrigues, Carol F Elias, Lucila Leico K Elias
Leptin is a permissive factor for puberty initiation, participating as a metabolic cue in the activation of the kisspeptin (Kiss1)-gonadotropin-releasing hormone neuronal circuitry however, it has no direct effect on Kiss1 neurons. Leptin acts on hypothalamic CART neurons, participating in the regulation of energy homeostasis. We investigated the influence of a short-term high-fat diet (HFD) on the effect of leptin on puberty timing. Kiss1-hrGFP female mice received a HFD or regular diet (RD) after weaning at postnatal day 21 (PN21) and were studied at PN28 and PN32...
September 4, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938125/selective-immuno-modulatory-effect-of-prolactin-upon-pro-inflammatory-response-in-human-fetal-membranes
#2
Pilar Flores-Espinosa, Eduardo Preciado-Martínez, Araceli Mejía-Salvador, Gabriela Sedano-González, Luisa Bermejo-Martínez, Adalberto Parra-Covarruvias, Guadalupe Estrada-Gutiérrez, Rodrigo Vega-Sánchez, Isabel Méndez, Braulio Quesada-Reyna, Andrea Olmos-Ortiz, Veronica Zaga-Clavellina
During pregnancy, prolactin (PRL) is a neuro-immuno-cytokine that contributes actively to the crosstalk between the immune and endocrine systems and, thus, to the creation of an immune-privileged milieu. This work aims to analyze the capacity of PRL to modulate the synthesis and secretion of pro-inflammatory markers associated with labor. Studies were conducted using human fetal membranes at term mounted in a model of two independent chambers. The choriodecidual region was stimulated with 500-ng/mL lipopolysaccharide (LPS), and the amnion and choriodecidual region were co-simulated with different concentrations of PRL that can arise during pregnancy: 250, 500, 1000, and 4000ng/mL...
September 14, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28938097/effect-of-sos-induced-levels-of-imuabc-on-spontaneous-and-damage-induced-mutagenesis-in-caulobacter-crescentus
#3
Ingrid R Alves, Marco A Lima-Noronha, Larissa G Silva, Frank S Fernández-Silva, Aline Luiza D Freitas, Marilis V Marques, Rodrigo S Galhardo
imuABC (imuAB dnaE2) genes are responsible for SOS-mutagenesis in Caulobacter crescentus and other bacterial species devoid of umuDC. In this work, we have constructed operator-constitutive mutants of the imuABC operon. We used this genetic tool to investigate the effect of SOS-induced levels of these genes upon both spontaneous and damage-induced mutagenesis. We showed that constitutive expression of imuABC does not increase spontaneous or damage-induced mutagenesis, nor increases cellular resistance to DNA-damaging agents...
September 14, 2017: DNA Repair
https://www.readbyqxmd.com/read/28938005/recombinant-vaccines-of-a-cd4-t-cell-epitope-promote-efficient-control-of-paracoccidioides-brasiliensis-burden-by-restraining-primary-organ-infection
#4
Rodrigo Assunção Holanda, Julián Esteban Muñoz, Lucas Santos Dias, Leandro Buffoni Roque Silva, Julliana Ribeiro Alves Santos, Sthefany Pagliari, Érica Leandro Marciano Vieira, Tatiane Alves Paixão, Carlos Pelleschi Taborda, Daniel Assis Santos, Oscar Bruña-Romero
Paracoccidioidomycosis (PCM) is an infectious disease endemic to South America, caused by the thermally dimorphic fungi Paracoccidioides. Currently, there is no effective human vaccine that can be used in prophylactic or therapeutic regimes. We tested the hypothesis that the immunogenicity of the immunodominant CD4+ T-cell epitope (P10) of Paracoccidioides brasiliensis gp43 antigen might be significantly enhanced by using a hepatitis B virus-derived particle (VLP) as an antigen carrier. This chimera was administered to mice as a (His)6-purified protein (rPbT) or a replication-deficient human type 5 adenoviral vector (rAdPbT) in an immunoprophylaxis assay...
September 22, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28936921/osteopontin-c-isoform-levels-are-associated-with-sr-and-hnrnp-differential-expression-in-ovarian-cancer-cell-lines
#5
Durval Santos Marques, Jessica Grativol, Rodrigo Alves da Silva Peres, Aline da Rocha Matos, Etel Rodrigues Pereira Gimba
Osteopontin-c splicing isoform activates ovarian cancer progression features. Imbalanced expression of splicing factors from serine/arginine -rich and heterogeneous ribonucleoproteins families has been correlated with the generation of oncogenic splicing isoforms. Our goal was to investigate whether there is any association between the transcriptional patterns of these splicing factors in ovarian cells and osteopontin-c expression levels. We also aimed to investigate the occurrence of these splicing factors binding sites inside osteopontin exon 4 and adjacent introns...
September 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28935508/mixed-total-veins-the-epitome-of-the-few-the-disparate-and-the-obscure
#6
EDITORIAL
Rodrigo Zea-Vera, Carlos M Mery
No abstract text is available yet for this article.
August 18, 2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28935128/quality-of-life-and-sleep-quality-are-similarly-improved-after-aquatic-or-dry-land-aerobic-training-in-patients-with-type-2-diabetes-a-randomized-clinical-trial
#7
Rodrigo S Delevatti, Felipe Barreto Schuch, Ana Carolina Kanitz, Cristine L Alberton, Elisa Corrêa Marson, Salime Chedid Lisboa, Carolina Dertzbocher Feil Pinho, Luciana Peruchena Bregagnol, Maríndia Teixeira Becker, Luiz Fernando M Kruel
OBJECTIVES: To compare the effects of two aerobic training models in water and on dry-land on quality of life, depressive symptoms and sleep quality in patients with type 2 diabetes. DESIGN: Randomized clinical trial. METHODS: Thirty-five patients with type 2 diabetes were randomly assigned to aquatic aerobic training group (n=17) or dry-land aerobic training group (n=18). Exercise training length was of 12 weeks, performed in three weekly sessions (45min/session), with intensity progressing from 85% to 100% of heart rate of anaerobic threshold during interventions...
September 6, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28934501/model-based-design-of-rna-hybridization-networks-implemented-in-living-cells
#8
Guillermo Rodrigo, Satya Prakash, Shensi Shen, Eszter Majer, José-Antonio Daròs, Alfonso Jaramillo
Synthetic gene circuits allow the behavior of living cells to be reprogrammed, and non-coding small RNAs (sRNAs) are increasingly being used as programmable regulators of gene expression. However, sRNAs (natural or synthetic) are generally used to regulate single target genes, while complex dynamic behaviors would require networks of sRNAs regulating each other. Here, we report a strategy for implementing such networks that exploits hybridization reactions carried out exclusively by multifaceted sRNAs that are both targets of and triggers for other sRNAs...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934196/spatiotemporal-network-coding-of-physiological-mossy-fiber-inputs-by-the-cerebellar-granular-layer
#9
Shyam Kumar Sudhakar, Sungho Hong, Ivan Raikov, Rodrigo Publio, Claus Lang, Thomas Close, Daqing Guo, Mario Negrello, Erik De Schutter
The granular layer, which mainly consists of granule and Golgi cells, is the first stage of the cerebellar cortex and processes spatiotemporal information transmitted by mossy fiber inputs with a wide variety of firing patterns. To study its dynamics at multiple time scales in response to inputs approximating real spatiotemporal patterns, we constructed a large-scale 3D network model of the granular layer. Patterned mossy fiber activity induces rhythmic Golgi cell activity that is synchronized by shared parallel fiber input and by gap junctions...
September 21, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28933612/do-virtual-reality-games-improve-mobility-skills-and-balance-measurements-in-community-dwelling-older-adults-systematic-review-and-meta-analysis
#10
Silvia Gr Neri, Jefferson R Cardoso, Lorena Cruz, Ricardo M Lima, Ricardo J de Oliveira, Maura D Iversen, Rodrigo L Carregaro
OBJECTIVE: To summarize evidence on the effectiveness of virtual reality games and conventional therapy or no-intervention for fall prevention in the elderly. DATA SOURCES: An electronic data search (last searched December 2016) was performed on 10 databases (Web of Science, EMBASE, PUBMED, CINAHL, LILACS, SPORTDiscus, Cochrane Library, Scopus, SciELO, PEDro) and retained only randomized controlled trials. REVIEW METHOD: Sample characteristics and intervention parameters were compared, focusing on clinical homogeneity of demographic characteristics, type/duration of interventions, outcomes (balance, reaction time, mobility, lower limb strength and fear of falling) and low risk of bias...
October 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28932357/effects-of-hypertonic-saline-solution-on-body-weight-and-serum-creatinine-in-patients-with-acute-decompensated-heart-failure
#11
Gabrielle Lafrenière, Patrick Béliveau, Jean-Yves Bégin, David Simonyan, Sylvain Côté, Valérie Gaudreault, Zeev Israeli, Shahar Lavi, Rodrigo Bagur
AIM: To test the safety and effectiveness of hypertonic saline solution (HSS + F) as a strategy for weight loss and prevention of further deterioration of renal function. METHODS: Patients admitted with acute decompensated heart failure (ADHF) who received HSS + F were included in the study. After a period of a standard ADHF treatment, our patients received an intravenous infusion of furosemide (250 mg) combined with HSS (150 mL of 3% NaCl) twice a day for a mean duration of 2...
August 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28932210/antibacterial-activity-of-endophytic-actinomycetes-isolated-from-the-medicinal-plant-vochysia-divergens-pantanal-brazil
#12
Francielly M W R Gos, Daiani C Savi, Khaled A Shaaban, Jon S Thorson, Rodrigo Aluizio, Yvelise M Possiede, Jürgen Rohr, Chirlei Glienke
Endophytic actinomycetes from medicinal plants produce a wide diversity of secondary metabolites (SM). However, to date, the knowledge about endophytes from Brazil remains scarce. Thus, we analyzed the antimicrobial potential of 10 actinomycetes isolated from the medicinal plant Vochysia divergens located in the Pantanal sul-mato-grossense, an unexplored wetland in Brazil. Strains were classified as belonging to the Aeromicrobium, Actinomadura, Microbacterium, Microbispora, Micrococcus, Sphaerisporangium, Streptomyces, and Williamsia genera, through morphological and 16S rRNA phylogenetic analyzes...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28931840/potential-bias-of-daily-soil-co2-efflux-estimates-due-to-sampling-time
#13
Alejandro Cueva, Stephen H Bullock, Eulogio López-Reyes, Rodrigo Vargas
Soil respiration (Rs) has been usually measured during daylight hours using manual chambers. This approach assumes that measurements made during a typical time interval (e.g., 9 to 11 am) represent the mean daily value; locally, this may not always be correct and could result in systematic bias of daily and annual Rs budgets. We propose a simple method, based on the temporal stability concept, to determine the most appropriate time of the day for manual measurements to capture a representative mean daily Rs value...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931450/preschoolers-vocabulary-acquisition-in-chile-the-roles-of-socioeconomic-status-and-quality-of-home-environment
#14
Regina T Lohndorf, Harriet J Vermeer, Rodrigo A Cárcamo, Judi Mesman
Preschoolers' vocabulary acquisition sets the stage for later reading ability and school achievement. This study examined the role of socioeconomic status (SES) and the quality of the home environment of seventy-seven Chilean majority and Mapuche minority families from low and lower-middle-class backgrounds in explaining individual differences in vocabulary acquisition of their three-and-a-half-year-old children. Additionally, we investigated whether the relation between SES and receptive and expressive vocabulary was mediated by the quality of the home environment as the Family Investment Model suggests...
September 21, 2017: Journal of Child Language
https://www.readbyqxmd.com/read/28930522/advances-in-tick-vaccinology-in-brazil-from-gene-expression-to-immunoprotection
#15
Renato Andreotti, Poliana Fernanda Giachetto, Rodrigo Casquero Cunha
Rhipicephalus (Boophilus) microplus has substantial economic impact on the cattle breeding industry and, chemical control and tick resistance development are the major concern. There is a worldwide search for new options, and control using vaccines has been the main focus nowadays. Studies performed in Brazil found that Bm86-based immunization of bovines reduced the infestation of R. (B.) microplus of vaccinated bovines by 45% to 60%. Native Boophilusmicroplus tripsin inhibitors (BmTIs) with trypsin-, kallikrein-, and elastase-inhibiting activities have been used as immunogens in bovines reaching 72...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28930082/cryptosporidium-spp-and-giardia-sp-in-aquatic-mammals-in-northern-and-northeastern-brazil
#16
João Carlos Borges, Danielle Dos Lima, Edson Moura da Silva, André Lucas de Oliveira Moreira, Miriam Marmontel, Vitor Luz Carvalho, Rodrigo de Amaral, Stella Maris Lazzarini, Leucio Câmara Alves
Cryptosporidium and Giardia are protozoans that can infect humans and wild and domestic animals. Due to the growing importance of diseases caused by protozoan parasites in aquatic species, we aimed to evaluate the frequency of infection by Cryptosporidium spp. and Giardia sp. in aquatic and marine mammals in the northern and northeastern regions of Brazil. We collected 553 fecal samples from 15 species of wild-ranging and captive aquatic mammals in northern and northeastern Brazil. All samples were analyzed by the Kinyoun technique for identification of Cryptosporidium spp...
September 20, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28930031/spread-of-chikungunya-virus-east-central-south-african-genotype-in-northeast-brazil
#17
Antonio Charlys da Costa, Julien Thézé, Shirley Cavalcante Vasconcelos Komninakis, Rodrigo Lopes Sanz-Duro, Marta Rejane Lemos Felinto, Lúcia Cristina Corrêa Moura, Ivoneide Moreira de Oliveira Barroso, Lucineide Eliziario Correia Santos, Mardjane Alves de Lemos Nunes, Adriana Avila Moura, José Lourenço, Xutao Deng, Eric L Delwart, Maria Raquel Dos Anjos Silva Guimarães, Oliver G Pybus, Ester C Sabino, Nuno R Faria
We investigated an outbreak of exanthematous illness in Maceió by using molecular surveillance; 76% of samples tested positive for chikungunya virus. Genetic analysis of 23 newly generated genomes identified the East/Central/South African genotype, suggesting that this lineage has persisted since mid-2014 in Brazil and may spread in the Americas and beyond.
October 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28929379/erratum-to-anatomical-specificity-of-the-brain-in-the-modulation-of-neuroglobin-and-cytoglobin-genes-after-chronic-bisphenol-a-exposure
#18
Rodrigo Rodrigues da Conceição, Janaina Sena de Souza, Kelen Carneiro de Oliveira, Rui Monteiro de Barros Maciel, Marco Aurélio Romano, Renata Marino Romano, Magnus Régios Dias da Silva, Maria Izabel Chiamolera, Gisele Giannocco
No abstract text is available yet for this article.
September 20, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28928787/the-effect-of-schinus-terebinthifolius-raddi-anacardiaceae-bark-extract-on-histamine-induced-paw-edema-and-ileum-smooth-muscle-contraction
#19
Paulo Alexandre Nunes-Neto, Tadeu José da Silva Peixoto-Sobrinho, Edilson Dantas da Silva Júnior, Jamilka Leopoldina da Silva, Alisson Rodrigo da Silva Oliveira, André Sampaio Pupo, Alice Valença Araújo, João Henrique da Costa-Silva, Almir Gonçalves Wanderley
Schinus terebinthifolius Raddi (Anacardiaceae), popularly known as red aroeira, is used in traditional medicine to treat inflammatory, gastric, and respiratory disorders. The aim of this study was to evaluate the antihistaminic activity of S. terebinthifolius (St) bark extract by using in vivo and in vitro experimental models. The effects of St were investigated on contractions induced by histamine, carbachol, and potassium chloride in isolated guinea pig ileum. St was also studied in response to hind paw edema induced by histamine in rats...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28928684/editorial-executive-functions-in-psychiatric-disorders
#20
EDITORIAL
Leandro F Malloy-Diniz, Débora M Miranda, Rodrigo Grassi-Oliveira
No abstract text is available yet for this article.
2017: Frontiers in Psychology
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