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https://www.readbyqxmd.com/read/29779124/confidenht%C3%A2-system-for-diagnostic-mapping-of-renal-nerves
#1
REVIEW
Costas Tsioufis, Kyriakos Dimitriadis, Panagiotis Tsioufis, Rafael Patras, Maria Papadoliopoulou, Zoi Petropoulou, Dimitris Konstantinidis, Dimitrios Tousoulis
PURPOSE OF REVIEW: To summarize the evidence regarding the distribution of renal nerves and their patterns of anatomic variations in animal and human settings. Moreover, the methodology and results of studies regarding renal nerve stimulation (RNS) in both preclinical and clinical models are presented. RECENT FINDINGS: There are differences regarding the number and the size of renal fibers, as well as their distance from the lumen in the diverse parts of the main renal arteries and the branches...
May 19, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29778594/differetial-toxin-profiles-of-ciguatoxins-in-marine-organisms-chemistry-fate-and-global-distribution
#2
REVIEW
Lucía Soliño, Pedro Reis Costa
Ciguatoxins (CTXs) are fish metabolism products and a result of biotransformation of precursor gambiertoxins produced, in the first instance, by benthic dinoflagellates Gambierdiscus and Fukuyoa. Ciguatoxins are potent neurotoxins that selectively open voltage gated sodium channels in excitable cells causing the human food poisoning known as Ciguatera (CFP). Endemic from tropical areas in central Pacific and West Indian Ocean, and the Caribbean Sea, CTX may affects up to 500,000 people annually due to fish consumption...
May 17, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29778530/exploiting-bacteriophage-proteomes-the-hidden-biotechnological-potential
#3
REVIEW
Sílvio B Santos, Ana Rita Costa, Carla Carvalho, Franklin L Nóbrega, Joana Azeredo
Bacteriophages encode many distinct proteins for the successful infection of a bacterial host. Each protein plays a specific role in the phage replication cycle, from host recognition, through takeover of the host machinery, and up to cell lysis for progeny release. As the roles of these proteins are being revealed, more biotechnological applications can be anticipated. Phage-encoded proteins are now being explored for the control, detection, and typing of bacteria; as vehicles for drug delivery; and for vaccine development...
May 16, 2018: Trends in Biotechnology
https://www.readbyqxmd.com/read/29778466/in-vitro-susceptibility-of-trypanosoma-brucei-brucei-to-selected-essential-oils-and-their-major-components
#4
Sonya Costa, Cláudia Cavadas, Carlos Cavaleiro, Lígia Salgueiro, Maria do Céu Sousa
Aiming for discovering effective and harmless antitrypanosomal agents, 17 essential oils and nine major components were screened for their effects on T. b. brucei. The essential oils were obtained by hydrodistillation from fresh plant material and analyzed by GC and GC-MS. The trypanocidal activity was assessed using blood stream trypomastigotes cultures of T. b. brucei and the colorimetric resazurin method. The MTT test was used to assess the cytotoxicity of essential oils on macrophage cells and Selectivity Indexes were calculated...
May 17, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29778439/does-orthognathic-surgery-improve-myofacial-pain-in-individuals-with-skeletal-class-iii-one-year-follow-up
#5
Aline Monise Sebastiani, Paola Fernanda Cotait de Lucas Corso, Daniel Bonotto, Juliana Feltrin de Souza, Delson João da Costa, Rafaela Scariot, Nelson Luis Barbosa Rebellato
OBJECTIVE: The objective of the study was to evaluate the effect of orthognathic surgery on temporomandibular disorder (TMD) in patients with skeletal class III malocclusion. STUDY DESIGN: Forty-seven patients undergoing surgery were evaluated by a trained examiner using Axis I of the Research Diagnostic Criteria/TMD index, consecutively, at 3 different periods: 1 week before operation (T0), 6 months after operation (T1), and 1 year after operation (T2). Bivariate analyses were performed to compare the evaluation periods (P < ...
April 16, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29777417/effects-of-dietary-microencapsulated-cymbopogon-flexuosus-essential-oil-on-reproductive-related-parameters-in-male-rhamdia-quelen
#6
Carine de Freitas Souza, Cristine Rampelotto, Bruno Bianchi Loureiro, Fernanda Alves Pereira, Adriane Erbice Bianchini, Carine Dahl Corcini, Antonio Sergio Varela Junior, Tatiana Emanuelli, Leila Picolli da Silva, Sílvio Teixeira da Costa, Kalyne Bertolin, Monique Tomazele Rovani, Paulo Bayard Dias Gonçalves, Berta Maria Heinzmann, Bernardo Baldisserotto
In aquaculture, nutrition and supplemented diets have been shown to affect broodstock reproductive performance. In this study, we investigated the effects of dietary supplementation with Cymbopogon flexuosus essential oil (CFEO) microcapsules on reproductive-related parameters in silver catfish (Rhamdia quelen) male broodfish. Adult male broodstocks were separated into three groups according to the concentrations of supplemented CFEO (0.0 = control; 1.0 or 3.0 mL per kg of diet). After 20 days under experimental conditions, the animals were euthanized and the gonads were harvested for gonadosomatic index, sperm analysis, oxidative stress, and histopathology; testosterone levels were measured in the plasma; gene expression of prl, smtl, pomca, and pomcb was assessed in the pituitary gland by real-time PCR...
May 18, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29777228/effects-of-clomiphene-citrate-on-male-obesity-associated-hypogonadism-a-randomized-double-blind-placebo-controlled-study
#7
Andressa Heimbecher Soares, Nidia Celeste Horie, Lucas Augusto Piccinin Chiang, Bruno Caramelli, Mariana Gomes Matheus, Alexandre Holthausen Campos, Luciana Cavalheiro Marti, Fernanda Agostini Rocha, Marcio C Mancini, Elaine Maria Frade Costa, Cintia Cercato
BACKGROUND: Obesity causes secondary hypogonadism (HG) in men. Standard testosterone (T) replacement therapy improves metabolic parameters but leads to infertility. OBJECTIVE: To evaluate clomiphene citrate (CC) treatment of adult men with male obesity-associated secondary hypogonadism (MOSH). DESIGN: Single-center, randomized, double-blind, placebo-controlled trial. PARTICIPANTS: Seventy-eight men aged 36.5 ± 7...
May 17, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29776744/discovering-mental-models-and-frames-in-learning-of-nursing-ethics-through-simulations
#8
J L Díaz Agea, M R Martín Robles, D Jiménez Rodríguez, I Morales Moreno, I Viedma Viedma, C Leal Costa
The acquisition of ethical competence is necessary in nursing. The aims of the study were to analyse students' perceptions of the process of learning ethics through simulations and to describe the underlying frames that inform the decision making process of nursing students. A qualitative study based on the analysis of simulated experiences and debriefings of six simulated scenarios with ethical content in three different groups of fourth-year nursing students (n = 30), was performed. The simulated situations were designed to contain ethical dilemmas...
May 15, 2018: Nurse Education in Practice
https://www.readbyqxmd.com/read/29776592/response-to-metals-treatment-of-fra1-a-member-of-the-ap-1-transcription-factor-family-in-p-lividus-sea-urchin-embryos
#9
Roberta Russo, Rosa Bonaventura, Marco Chiaramonte, Caterina Costa, Valeria Matranga, Francesca Zito
Lithium (Li), Nickel (Ni), and Zinc (Zn) are metals normally present in the seawater, although they can have adverse effects on the marine ecosystem at high concentrations by interfering with many biological processes. These metals are toxic for sea urchin embryos, affecting their morphology and developmental pathways. In particular, they perturb differently the correct organization of the embryonic axes (animal-vegetal, dorso-ventral): Li is a vegetalizing agent and Ni disrupts the dorso-ventral axis, while Zn has an animalizing effect...
May 5, 2018: Marine Environmental Research
https://www.readbyqxmd.com/read/29776394/influence-of-blinding-on-treatment-effect-size-estimate-in-randomized-controlled-trials-of-oral-health-interventions
#10
Humam Saltaji, Susan Armijo-Olivo, Greta G Cummings, Maryam Amin, Bruno R da Costa, Carlos Flores-Mir
BACKGROUND: Recent methodologic evidence suggests that lack of blinding in randomized trials can result in under- or overestimation of the treatment effect size. The objective of this study is to quantify the extent of bias associated with blinding in randomized controlled trials of oral health interventions. METHODS: We selected all oral health meta-analyses that included a minimum of five randomized controlled trials. We extracted data, in duplicate, related to nine blinding-related criteria, namely: patient blinding, assessor blinding, care-provider blinding, investigator blinding, statistician blinding, blinding of both patients and assessors, study described as "double blind", blinding of patients, assessors, and care providers concurrently, and the appropriateness of blinding...
May 18, 2018: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/29776076/complex-network-view-of-evolving-manifolds
#11
Diamantino C da Silva, Ginestra Bianconi, Rui A da Costa, Sergey N Dorogovtsev, José F F Mendes
We study complex networks formed by triangulations and higher-dimensional simplicial complexes representing closed evolving manifolds. In particular, for triangulations, the set of possible transformations of these networks is restricted by the condition that at each step, all the faces must be triangles. Stochastic application of these operations leads to random networks with different architectures. We perform extensive numerical simulations and explore the geometries of growing and equilibrium complex networks generated by these transformations and their local structural properties...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775973/safety-model-for-the-introduction-of-robotic-surgery-in-gynecology
#12
Mariano Tamura Vieira Gomes, Beatriz Taliberti da Costa Porto, Jose Pedro Parise Filho, Ana Luiz Vasconcelos, Bruna Fernanda Bottura, Renato Moretti Marques
OBJECTIVE:  To analyze the perioperative results and safety of performing gynecological surgeries using robot-assisted laparoscopy during implementation of the technique in a community hospital over a 6-year period. METHODS:  This was a retrospective observational study in which the medical records of 274 patients who underwent robotic surgery from September 2008 to December 2014 were analyzed. We evaluated age, body mass index (BMI), diagnosis, procedures performed, American Society of Anesthesiologists (ASA) classification, the presence of a proctor (experienced surgeon with at least 20 robotic cases), operative time, transfusion rate, perioperative complications, conversion rate, length of stay, referral to the intensive care unit (ICU), and mortality...
May 18, 2018: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/29775971/a-decline-at-inpatient-benign-hysterectomy-is-perceived-in-brazil-what-are-the-strategies-to-improve-surgical-resident-training
#13
Luiz Gustavo Oliveira Brito, Juliana da Costa Santos, Marair Gracio Ferreira Sartori
No abstract text is available yet for this article.
May 18, 2018: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/29775895/ozone-therapy-prevents-the-onset-of-dysplasia-in-hpv16-transgenic-mice-a-pre-clinical-efficacy-and-safety-analysis
#14
C Peirone, V F Mestre, B Medeiros-Fonseca, B Colaço, M J Pires, T Martins, R M Gil da Costa, M J Neuparth, R Medeiros, M M S M Bastos, J A Marques-Magallanes, P A Oliveira
Infection with high-risk human papillomavirus (HPV), most often HPV16, is associated with the development of anogenital and oropharyngeal cancers. Recently, ozone therapy was reported to have considerable efficacy against rabbit VX2 tumors, induced by the cottontail rabbit papillomavirus. The present study aims to determine whether similar results can be obtained in HPV16-transgenic mice, possibly paving the way for new therapeutic options against HPV-induced cancers. HPV16-transgenic and wild-type, female, 20 weeks-old mice were injected intraperitoneally with medical O3 /O2 (80░mL/kg, at O3 50░μg/mL), once a day, for 5 consecutive days...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775828/size-season-and-origin-of-gastropods-matter-in-imposex-assessments
#15
Martina Rossato, Mércia Barcelos Costa, Ítalo Braga de Castro, Grasiela Lopes Leães Pinho
Through controlled exposure to tributyltin (TBT), the effects of season, size, and population origin were evaluated on imposex incidence in Stramonita brasiliensis. Four experiments were carried out with organisms collected from three different sites on the Brazilian coast (Torres - Rio Grande do Sul, Farol de Santa Marta - Santa Catarina, and Aracruz - Espírito Santo). S. brasiliensis were anesthetized, sexed, measured, classified by size in small (< 30 mm), medium (≥ 30 to ≤ 40 mm), or big (> 40 mm) and injected in the foot muscle with 0...
May 15, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29775738/humoral-and-mucosal-immune-responses-in-meagre-argyrosomus-regius-juveniles-fed-diets-with-varying-inclusion-levels-of-carob-seed-germ-meal
#16
Francisco Antonio Guardiola, Carolina Barroso, Paula Enes, Ana Couto, Patricia Díaz-Rosales, António Afonso, Erika Kanashiro, Helena Peres, Elisabete Matos, Aires Oliva-Teles, Pedro Pousão-Ferreira, Benjamín Costas
Many studies have assessed the effects of incorporation of plant feedstuffs in fish diets on growth performance, whereas few studies have addressed the effects of fish meal replacement by plant protein sources on fish immune parameters. Thus, the aim of this study was to evaluate the effects on immune response of different inclusion levels of carob seed germ meal (CSGM) as partial replacement for fish meal in diets for meagre (Argyrosomus regius) juveniles. Fish were fed four experimental diets with increased CSGM inclusion levels [0% (control), 7...
May 15, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29775370/phonon-dispersion-and-the-competition-between-pairing-and-charge-order
#17
N C Costa, T Blommel, W-T Chiu, G Batrouni, R T Scalettar
The Holstein model describes the interaction between fermions and a collection of local (dispersionless) phonon modes. In the dilute limit, the phonon degrees of freedom dress the fermions, giving rise to polaron and bipolaron formation. At higher densities, the phonons mediate collective superconducting (SC) and charge-density wave (CDW) phases. Quantum Monte Carlo (QMC) simulations have considered both these limits but have not yet focused on the physics of more general phonon spectra. Here we report QMC studies of the role of phonon dispersion on SC and CDW order in such models...
May 4, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29775357/finding-the-optimal-nets-for-self-folding-kirigami
#18
N A M Araújo, R A da Costa, S N Dorogovtsev, J F F Mendes
Three-dimensional shells can be synthesized from the spontaneous self-folding of two-dimensional templates of interconnected panels, called nets. However, some nets are more likely to self-fold into the desired shell under random movements. The optimal nets are the ones that maximize the number of vertex connections, i.e., vertices that have only two of its faces cut away from each other in the net. Previous methods for finding such nets are based on random search, and thus, they do not guarantee the optimal solution...
May 4, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29775303/simultaneous-targeting-of-rgd-integrins-and-dual-murine-double-minute-proteins-in-glioblastoma-multiforme
#19
Francesco Merlino, Simona Daniele, Valeria La Pietra, Salvatore Di Maro, Francesco Saverio Di Leva, Diego Brancaccio, Stefano Tomassi, Stefano Giuntini, Linda Cerofolini, Marco Fragai, Claudio Luchinat, Florian Reichart, Chiara Cavallini, Barbara Costa, Rebecca Piccarducci, Sabrina Taliani, Federico Da Settimo, Claudia Martini, Horst Kessler, Ettore Novellino, Luciana Marinelli
In the fight against Glioblastoma Multiforme, recent literature data have highlighted that integrin α5β1 and p53 are part of convergent pathways in the control of glioma apoptosis. This observation prompted us to seek a molecule able to simultaneously modulate both target families. Analyzing the results of a previous virtual screening against murine double minute 2 protein (MDM2), we envisaged that Arg-Gly-Asp (RGD)-mimetic molecules could be inhibitors of MDM2/4. Herein we present the discovery of compound 7, which inhibits both MDM2/4 and α5β1/αvβ3 integrins...
May 18, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29774944/can-traits-predict-individual-growth-performance-a-test-in-a-hyperdiverse-tropical-forest
#20
Lourens Poorter, Carolina V Castilho, Juliana Schietti, Rafael S Oliveira, Flávia R C Costa
The functional trait approach has, as a central tenet, that plant traits are functional and shape individual performance, but this has rarely been tested in the field. Here, we tested the individual-based trait approach in a hyperdiverse Amazonian tropical rainforest and evaluated intraspecific variation in trait values, plant strategies at the individual level, and whether traits are functional and predict individual performance. We evaluated > 1300 tree saplings belonging to > 383 species, measured 25 traits related to growth and defense, and evaluated the effects of environmental conditions, plant size, and traits on stem growth...
May 18, 2018: New Phytologist
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