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https://www.readbyqxmd.com/read/28543307/a-bayesian-approach-to-model-the-conditional-correlation-between-several-diagnostic-tests-and-various-replicated-subjects-measurements
#1
Hélio Doyle Pereira da Silva, Carlos Ascaso, Alessandra Queiroga Gonçalves, Patricia Puccinelli Orlandi, Rosa Abellana
Two key aims of diagnostic research are to accurately and precisely estimate disease prevalence and test sensitivity and specificity. Latent class models have been proposed that consider the correlation between subject measures determined by different tests in order to diagnose diseases for which gold standard tests are not available. In some clinical studies, several measures of the same subject are made with the same test under the same conditions (replicated measurements), and thus, replicated measurements for each subject are not independent...
May 21, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28535809/safety-and-tolerability-of-adjunctive-rosiglitazone-treatment-for-children-with-uncomplicated-malaria
#2
Rosauro Varo, Valerie M Crowley, Antonio Sitoe, Lola Madrid, Lena Serghides, Rubao Bila, Helio Mucavele, Alfredo Mayor, Quique Bassat, Kevin C Kain
BACKGROUND: Despite the widespread use and availability of rapidly acting anti-malarials, the fatality rate of severe malaria in sub-Saharan Africa remains high. Adjunctive therapies that target the host response to malaria infection may further decrease mortality over that of anti-malarial agents alone. Peroxisome proliferator-activated receptor-gamma agonists (e.g. rosiglitazone) have been shown to act on several pathways implicated in the pathogenesis of severe malaria and may improve clinical outcome as an adjunctive intervention...
May 23, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28511240/-treatment-outcome-in-female-in-patients-with-anorexia-nervosa-and-comorbid-personality-disorders-prevalence
#3
Timo Maximilian Link, Ursula Beermann, Robert Mestel, Manuela Gander
Introduction Personality disorders (PD) are among the most common comorbid disorders in female patients with Anorexia Nervosa (AN). Recent research findings suggest that comorbid PD are associated with a higher treatment drop-out rate and a worse therapeutic outcome. However, no study to date has distinguished between certain age groups concerning these issues. Research questions Therefore, the present study focuses on the prevalence of PD (1), treatment drop-out rates (2) and weight gain (3) in female in-patients with AN...
May 16, 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28511172/donor-specific-anti-human-leukocyte-antigens-antibodies-acute-rejection-renal-function-and-histology-in-kidney-transplant-recipients-receiving-tacrolimus-and-everolimus
#4
Alexandra Ferreira, Claudia Felipe, Marina Cristelli, Laila Viana, Geovana Basso, Suelen Stopa, Juliana Mansur, Mayara Ivani, Adrieli Bessa, Priscila Ruppel, Wilson Aguiar, Erika Campos, Maria Gerbase-DeLima, Henrique Proença, Helio Tedesco-Silva, José Medina-Pestana
BACKGROUND: This analysis compared efficacy, renal function, and histology in kidney transplant recipients receiving tacrolimus (TAC) combined with everolimus (EVR) or mycophenolate (MPS). METHODS: This was a retrospective analysis from a randomized trial in kidney transplant recipients who received a single 3 mg/kg dose of rabbit antithymocyte globulin (r-ATG), TAC, EVR, and prednisone (PRED; r-ATG/EVR, n = 85), basiliximab (BAS), TAC, EVR, and PRED (BAS/EVR, n = 102) or BAS, TAC, MPS, and PRED (BAS/MPS, n = 101)...
May 17, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28508573/regional-differences-in-the-management-and-outcome-of-kidney-transplantation-in-patients-with-human-immunodeficiency-virus-infection-a-3-year-retrospective-cohort-study
#5
Marina P Cristelli, Federico Cofán, Helio Tedesco-Silva, Joan Carles Trullàs, Daniel Wagner C L Santos, Cristian Manzardo, Fernando Agüero, Asunción Moreno, Federico Oppenheimer, Fritz Diekmann, Jose O Medina-Pestana, Jose Maria Miro
BACKGROUND: In the developed world, kidney transplantation (KT) in patients with human immunodeficiency virus (HIV) infection is well established. Developing countries concentrate 90% of the people living with HIV, but their experience is underreported. Regional differences may affect outcomes. OBJECTIVES: We compared the 3-year outcomes of patients with HIV infection receiving a KT in two different countries, in terms of incomes and development. METHODS: This was an observational, retrospective, double-center study, including all HIV-infected patients >18 years old undergoing KT...
May 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28503537/effects-of-inspiratory-muscle-exercise-in-the-pulmonary-function-autonomic-modulation-and-hemodynamic-variables-in-older-women-with-metabolic-syndrome
#6
Daniele Jardim Feriani, Hélio José Coelho, Kátia Bilhar Scapini, Oscar Albuquerque de Moraes, Cristiano Mostarda, Olivia Moraes Ruberti, Marco Carlos Uchida, Érico Chagas Caperuto, Maria Cláudia Irigoyen, Bruno Rodrigues
The aim of the present study was to investigate the effects of inspiratory muscle exercise (IME) on metabolic and hemodynamic parameters, cardiac autonomic modulation and respiratory function of older women with metabolic syndrome (MS). For this, sixteen older women with MS and 12 aged-matched controls participated of the present study. Two days before and 2 days after the main experiment, fasting blood samples (i.e., total cholesterol, triglycerides and blood glucose), cardiac autonomic modulation (i.e., heart rate variability), and respiratory muscle function were obtained and evaluated...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28502649/post-implantation-development-of-red-rumped-agouti-dasyprocta-leporina-linnaeus-1758
#7
Gleidson Benevides de Oliveira, Hélio Noberto de Araújo Júnior, Herson da Silva Costa, Alexandre Rodrigues Silva, Carlos Eduardo Bezerra de Moura, Hugo Alexandre de Oliveira Rocha, Maria Angélica Miglino, Moacir Franco de Oliveira
Fourteen pregnant agouti (Dasyprocta leporina Linnaeus, 1758) females at gestational ages of 30-100days and two at gestational ages of 55-100days, were studied, including 24 embryos/fetuses and two neonates (single offspring from two females). Females were euthanized and embryos/fetuses were examined, measured, and photographed. Embryos at 30days post-copulation were "C-shaped," with paddle-shaped limb buds and 10.75±0.11mm crown-rump length (CRL). In embryos at 35days post-copulation, paddle-shaped forelimbs, fin-shaped pelvic limbs, and a liver bud were evident, with 15...
May 2, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28500671/is-the-firing-rate-of-motor-units-in-different-vastus-medialis-regions-modulated-similarly-during-isometric-contractions
#8
Hélio da V Cabral, Leonardo M L de Souza, Roger G T Mello, Alessio Gallina, Liliam F de Oliveira, Taian M Vieira
INTRODUCTION: Previous evidence suggests the fibres of different motor units reside within distinct vastus medialis (VM) regions. Whether the activity of these motor units may be modulated differently remains unknown. Here we assess the discharge rate of motor units detected proximo-distally from VM to address this issue. METHODS: Surface electromyograms (EMGs) were recorded proximally and distally from VM while ten healthy subjects performed isometric contractions...
May 13, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28495840/nonlinearities-of-heart-rate-variability-in-animal-models-of-impaired-cardiac-control-contribution-of-different-time-scales
#9
Luiz Eduardo Virgilio Silva, Renata Maria Lataro, Jaci Airton Castania, Carlos Alberto Aguiar Silva, Helio C Salgado, Rubens Fazan, Alberto Porta
Heart rate variability (HRV) has been extensively explored by traditional linear approaches (e.g. spectral analysis). However, several studies have pointed to the presence of nonlinear features in HRV, suggesting that linear tools might fail to account for the complexity of the HRV dynamics. Even though the prevalent notion is that HRV is nonlinear, the actual presence of nonlinear features is rarely verified. In this study, the presence of nonlinear dynamics was checked as a function of time scales in three experimental models of rats with different impairment of the cardiac control, namely rats with heart failure (HF), spontaneously hypertensive rats (SHRs) and sinoaortic denervated (SAD) rats...
May 11, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28489147/professor-wadia-s-contributions-to-neurology-and-spinocerebellar-ataxia-type-2
#10
Fernando Spina Tensini, José Luiz Pedroso, Orlando G P Barsottini, Hélio A G Teive
The authors present a historical review of the seminal contributions of Professor N. H. Wadia (1925-2016) to neurology, in particular, the first description of spinocerebellar ataxia type 2.
April 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28467968/transcription-factor-c-rel-is-indispensable-for-generation-of-thymic-but-not-of-peripheral-foxp3-regulatory-t-cells
#11
Maik Luu, Elena Jenike, Niyati Vachharajani, Alexander Visekruna
The transcription factor c-Rel has been shown to be crucial for development of regulatory T cells (Tregs). Recent studies have reported that the expression of transcription factor Helios in Foxp3+ Tregs correlates with thymic origin of these cells (tTregs). Notably, we found that only the Helios+Foxp3+ Treg cell population was substantially reduced in c-Rel deficient mice. In contrast to a defective tTreg development, we observed an expansion of mucosal Tregs during the induction of acute colitis in rel-/- mice...
April 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28463767/cytotoxic-effects-of-a-novel-maleimide-derivative-on-epithelial-and-tumor-cells
#12
Bakat Ali, Léonard D Kanda Kupa, Cíntia S Heluany, Carine C Drewes, Stanley N S Vasconcelos, Sandra H P Farsky, Hélio A Stefani
Novel N-triazolyl maleimide derivatives were synthesized by azide-alkyne Huisgen cycloaddition (1,3-dipolar cycloaddition) and tested for cytotoxicity against a cell line derived from human melanomas SK-Mel-28 and SK-Mel-103, and human umbilical vein endothelial cell lines (HUVEC). The 4l was chose to be biologically tested due to incorporation of benzyl triazolic to the nitrogen of maleimide has not been tested before, and due the satisfactory yield. The analysis of cell metabolism, using the MTT method, showed that the compound 4l impaired cell metabolism in HUVEC only in high concentration (100µM)...
April 24, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28460798/from-the-midnight-sun-to-the-longest-night-sleep-in-antarctica
#13
REVIEW
Nathalie Pattyn, Martine Van Puyvelde, Helio Fernandez-Tellez, Bart Roelands, Olivier Mairesse
Sleep disturbances are the main health complaints from personnel deployed in Antarctica. The current paper presents a systematic review of research findings on sleep disturbances in Antarctica. The available sources were divided in three categories: results based on questionnaire surveys or sleep logs, studies using actigraphy, and data from polysomnography results. Other areas relevant to the issue were also examined. These included chronobiology, since the changes in photoperiod have been known to affect circadian rhythms, mood disturbances, exercise, sleep and hypoxia, countermeasure investigations in Antarctica, and other locations lacking a normal photoperiod...
March 14, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28442198/operational-oil-spill-trajectory-modelling-using-hf-radar-currents-a-northwest-european-continental-shelf-case-study
#14
Ana J Abascal, Jorge Sanchez, Helios Chiri, María I Ferrer, Mar Cárdenas, Alejandro Gallego, Sonia Castanedo, Raúl Medina, Andrés Alonso-Martirena, Barbara Berx, William R Turrell, Sarah L Hughes
This paper presents a novel operational oil spill modelling system based on HF radar currents, implemented in a northwest European shelf sea. The system integrates Open Modal Analysis (OMA), Short Term Prediction algorithms (STPS) and an oil spill model to simulate oil spill trajectories. A set of 18 buoys was used to assess the accuracy of the system for trajectory forecast and to evaluate the benefits of HF radar data compared to the use of currents from a hydrodynamic model (HDM). The results showed that simulated trajectories using OMA currents were more accurate than those obtained using a HDM...
April 22, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28435308/association-of-the-ppp3ca-c-249g-a-variant-with-clinical-outcomes-of-tacrolimus-based-therapy-in-kidney-transplant-recipients
#15
Patricia C Salgado, Fabiana Dv Genvigir, Claudia R Felipe, Helio Tedesco-Silva, Jose O Medina-Pestana, Sonia Q Doi, Mario H Hirata, Rosario Dc Hirata
BACKGROUND: The effects of genetic variants related to the pharmacodynamic mechanisms of immunosuppressive drugs on their therapeutic efficacy and safety have been poorly explored. This study was performed to investigate the influence of the PPP3CA c.249G>A variant on the clinical outcomes of kidney transplant recipients. PATIENTS AND METHODS: A total of 148 Brazilian patients received tacrolimus (TAC)-based immunosuppressive therapy for 90 days post-kidney transplantation...
2017: Pharmacogenomics and Personalized Medicine
https://www.readbyqxmd.com/read/28422031/the-importance-of-labyrinthine-examination-in-the-prognosis-and-therapy-for-balance-in-spinocerebellar-ataxia
#16
João Henrique Faryniuk, Bianca Simone Zeigelboim, Hélio Afonso Ghizoni Teive, Vinicius Ribas Fo, Paulo Breno Noronha Liberalesso, Jair Mendes Marques
INTRODUCTION: Spinocerebellar ataxias (SCAs) are a heterogeneous group of neurodegenerative diseases that are characterized by the presence of progressive cerebellar ataxia. OBJECTIVE: Identify vestibular disorders and demonstrate the importance of labyrinthine examination in the prognosis and therapy for balance in patients with SCAs. MATERIALS AND METHODS: The study had a retrospective cross-sectional design and evaluated 57 patients, mean age of 41...
April 19, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/28411060/in%C3%A2-vitro-anti-candida-activity-of-selective-serotonin-reuptake-inhibitors-against-fluconazole-resistant-strains-and-their-activity-against-biofilm-forming-isolates
#17
Rose Anny Costa Silva, Cecília Rocha da Silva, João Batista de Andrade Neto, Anderson Ramos da Silva, Rosana Sousa Campos, Letícia Serpa Sampaio, Francisca Bruna Stefany Aires do Nascimento, Brenda da Silva Gaspar, Said Gonçalves da Cruz Fonseca, Maria Aparecida Alexandre Josino, Thalles Barbosa Grangeiro, Danielle Macedo Gaspar, David Freitas de Lucena, Manoel Odorico de Moraes, Bruno Coêlho Cavalcanti, Hélio Vitoriano Nobre Júnior
Recent research has shown broad antifungal activity of the classic antidepressants selective serotonin reuptake inhibitors (SSRIs). This fact, combined with the increased cross-resistance frequency of the genre Candida regarding the main treatment today, fluconazole, requires the development of novel therapeutic strategies. In that context, this study aimed to assess the antifungal potential of fluoxetine, sertraline, and paroxetine against fluconazole-resistant Candida spp. planktonic cells, as well as to assess the mechanism of action and the viability of biofilms treated with fluoxetine...
April 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28410852/cefiderocol-mic-quality-control-ranges-in-iron-depleted-cation-adjusted-mueller-hinton-broth-using-a-clsi-m23-a4-multi-laboratory-study-design
#18
Michael D Huband, Akinobu Ito, Masakatsu Tsuji, Helio S Sader, Kelley A Fedler, Robert K Flamm
Cefiderocol (formerly S-649266) is a new catechol-substituted parenteral siderophore cephalosporin with potent in vitro antibacterial activity against Gram-negative isolates including multidrug-resistant strains. A recent study following CLSI M23-A4 quality control guidelines established cefiderocol MIC QC ranges against Escherichia coli ATCC 25922 (0.06-0.5 μg/mL) and Pseudomonas aeruginosa ATCC 27853 (0.06-0.5 μg/mL).
March 23, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28410442/development-of-an-acrylate-derivative-targeting-the-nlrp3-inflammasome-for-the-treatment-of-inflammatory-bowel-disease
#19
Mattia Cocco, Carolina Pellegrini, Helios Martínez-Banaclocha, Marta Giorgis, Elisabetta Marini, Annalisa Costale, Gianluca Miglio, Matteo Fornai, Luca Antonioli, Gloria López-Castejón, Ana Tapia-Abellán, Diego Angosto, Iva Hafner-Bratkovič, Luca Regazzoni, Corrado Blandizzi, Pablo Pelegrín, Massimo Bertinaria
Pharmacological inhibition of NLRP3 inflammasome activation may offer a new option in the treatment of inflammatory bowel disease. In this work, we report the design, synthesis, and biological screening of a series of acrylate derivatives as NLRP3 inhibitors. The in vitro determination of reactivity, cytotoxicity, NLRP3 ATPase inhibition, and antipyroptotic properties allowed the selection of 11 (INF39), a nontoxic, irreversible NLRP3 inhibitor able to decrease interleukin-1β release from macrophages. Bioluminescence resonance energy transfer experiments proved that this compound was able to directly interfere with NLRP3 activation in cells...
May 11, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28409030/effects-of-multicomponent-exercise-on-functional-and-cognitive-parameters-of-hypertensive-patients-a-quasi-experimental-study
#20
Hélio José Coelho Junior, Bruno Rodrigues, Daniele Jardim Feriani, Ivan de Oliveira Gonçalves, Ricardo Yukio Asano, Samuel da Silva Aguiar, Marco Carlos Uchida
Purpose. The present study aimed to investigate the impact of a 6-month multicomponent exercise program (MCEP) on physical function and cognitive parameters of normotensive (NTS) and hypertensive (HTS) older patients and verify if age can influence the adaptations in response to the exercise. Methods. A total of 218 subjects, 101 NTS and 117 HTS, were recruited and underwent functional and cognitive evaluations before and after six months of a MCEP. The program of exercise was performed twice a week, for 26 weeks...
2017: Journal of Aging Research
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