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https://www.readbyqxmd.com/read/28324972/analysis-of-spontaneous-eeg-activity-in-alzheimer-s-disease-using-cross-sample-entropy-and-graph-theory
#1
Carlos Gomez, Jesus Poza, Javier Gomez-Pilar, Alejandro Bachiller, Celia Juan-Cruz, Miguel A Tola-Arribas, Alicia Carreres, Monica Cano, Roberto Hornero
The aim of this pilot study was to analyze spontaneous electroencephalography (EEG) activity in Alzheimer's disease (AD) by means of Cross-Sample Entropy (Cross-SampEn) and two local measures derived from graph theory: clustering coefficient (CC) and characteristic path length (PL). Five minutes of EEG activity were recorded from 37 patients with dementia due to AD and 29 elderly controls. Our results showed that Cross-SampEn values were lower in the AD group than in the control one for all the interactions among EEG channels...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28322918/favipiravir-can-evoke-lethal-mutagenesis-and-extinction-of-foot-and-mouth-disease-virus
#2
Ana Isabel de Avila, Elena Moreno, Celia Perales, Esteban Domingo
Antiviral agents are increasingly considered an option for veterinary medicine. An understanding of their mechanism of activity is important to plan their administration either as monotherapy or in combination with other agents. Previous studies have shown that the broad spectrum antiviral agent favipiravir (T-705) and its derivatives T-1105 and T-1106 are efficient inhibitors of foot-and-mouth disease virus (FMDV) replication in cell culture and in vivo. However, no mechanism for their activity against FMDV has been proposed...
March 17, 2017: Virus Research
https://www.readbyqxmd.com/read/28302638/innovative-approach-for-self-management-and-social-welfare-of-children-with-cystic-fibrosis-in-europe-development-validation-and-implementation-of-an-mhealth-tool-mycyfapp
#3
Joaquim Calvo-Lerma, Celia P Martinez-Jimenez, Juan-Pablo Lázaro-Ramos, Ana Andrés, Paula Crespo-Escobar, Erlend Stav, Cornelia Schauber, Lucia Pannese, Jessie M Hulst, Lucrecia Suárez, Carla Colombo, Celeste Barreto, Kris de Boeck, Carmen Ribes-Koninckx
INTRODUCTION: For the optimal management of children with cystic fibrosis, there are currently no efficient tools for the precise adjustment of pancreatic enzyme replacement therapy, either for advice on appropriate dietary intake or for achieving an optimal nutrition status. Therefore, we aim to develop a mobile application that ensures a successful nutritional therapy in children with cystic fibrosis. METHODS AND ANALYSIS: A multidisciplinary team of 12 partners coordinate their efforts in 9 work packages that cover the entire so-called 'from laboratory to market' approach by means of an original and innovative co-design process...
March 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28299312/genetic-screening-of-mutations-associated-with-fabry-disease-in-a-nationwide-cohort-of-juvenile-idiopathic-arthritis-patients
#4
Maria J Gonçalves, Ana F Mourão, António Martinho, Olívia Simões, José Melo-Gomes, Manuel Salgado, Paula Estanqueiro, Célia Ribeiro, Iva Brito, João E Fonseca, Helena Canhão
Fabry's disease (FD) is a lysosomal storage disorder associated with an alpha-galactosidase A deficiency. The prevalence of FD among juvenile idiopathic arthritis (JIA) patients with established diagnosis is unknown, but as musculoskeletal pain may be an important complaint at presentation, misdiagnosed cases are anticipated. With this study, we aim to calculate the frequency of FD-associated mutations in a cohort of JIA patients. Children with JIA from a national cohort were selected. Clinical and laboratorial information was recorded in the Portuguese rheumatic diseases register (http://Reuma...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28294586/pediatric-eosinophilic-esophagitis-in-portugal
#5
J L Alves Marcelino, R Cardoso de Aguiar, F Cabral Duarte, A Célia Costa, M A Pereira-Barbosa
Eosinophilic esophagitis (EoE) is an increasingly frequent diagnosis in our clinical practice, mainly in pediatric age. Allergic responses to food and aeroallergens have been increasingly implicated in the etiology of this disease. We describe a retrospective data analysis of pediatric EoE patients followed in our Immunoallergology Department. Of the 25 children (22 male, average 10.8 years), 88% had prior history of rhinoconjunctivitis, 76% asthma, 48% eczema and 36% food allergy. After evaluation, we identified in 76% and 92% of patients food and aeroallergen sensitization, respectively; 68% had simultaneously food and inhalant sensitization and 96% had at least one positive test to aeroallergens or food allergens...
March 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28290965/sickle-cell-trait-prevalence-among-u-s-military-service-members-1992-2012
#6
David W Niebuhr, Ligong Chen, Stephanie Shao, Jonathan Goldsmith, Celia Byrne, Darrell E Singer
BACKGROUND: Population-based estimates of sickle cell trait (SCT) prevalence in the U.S. military across services and over time are lacking. METHODS: SCT prevalence by service, race/ethnicity, and gender in 5-year time intervals was estimated using demographic, ambulatory, and hospital SCT encounter (International Classification of Diseases, 9th Revision, Clinical Modification 282.5) data for active duty, enlisted between 1992 and 2012 and limited SCT laboratory results...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28286673/construction-of-two-mcherry-plasmids-pxg-mcherry-for-transgenic-leishmania-valuable-tools-for-future-molecular-analysis
#7
Andrés Vacas, Conor Sugden, Óscar Velasco-Rodriguez, Miriam Algarabel-Olona, José Peña-Guerrero, Esther Larrea, Celia Fernández-Rubio, Paul A Nguewa
Leishmania is the causative agent of leishmaniasis, a neglected tropical disease that affects more than 12 million people around the world. Current treatments are toxic and poorly effective due to the acquisition of resistance within Leishmania populations. Thus, the pursuit for new antileishmanial drugs is a priority. The available methods for drug screening based on colorimetric assays using vital dyes are time-consuming. Currently, the use of fluorescent reporter proteins is replacing the use of viability indicator dyes...
2017: Journal of Parasitology Research
https://www.readbyqxmd.com/read/28281777/history-of-newcastle-disease-in-south-africa
#8
Celia Abolnik
Poultry production in South Africa, a so-called developing country, may be seen as a gradient between two extremes with highly integrated commercial enterprises with world-class facilities on one hand and unimproved rural chickens kept by households and subsistence farmers on the other. Although vaccination against Newcastle disease is widely applied to control this devastating infection, epizootics continue to occur. Since the first official diagnosis in 1945, through the sporadic outbreaks of the 1950s and early 1960s, to serious epizootics caused by genotype VIII (late 1960s-2000), genotype VIIb (1993-1999), genotype VIId (2003-2012) and most recently genotype VIIh (2013 to present), South Africa's encounters with exotic Newcastle disease follow global trends...
February 24, 2017: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/28277033/efficacy-of-hydralazine-and-valproate-in-cutaneous-t-cell-lymphoma-a-phase-ii-study
#9
Jose Ramiro Espinoza-Zamora, Juan Labardini-Méndez, Alejandro Sosa-Espinoza, Celia López-González, Magnolia Vieyra-García, Myrna Candelaria, Valentin Lozano-Zavaleta, Diana Vanesa Toledano-Cuevas, Nidia Zapata-Canto, Eduardo Cervera, Alfonso Dueñas-González
OBJECTIVES: To evaluate the activity and safety hydralazine and valproate (Transkrip® in cutaneous T-cell lymphoma (CTCL). METHODS: Previously untreated and progressive/refractory CTCL patients received hydralazine at 83 mg or 182 mg/day for slow and rapid acetylators respectively plus magnesium valproate at a total dose of 30 mg/Kg t.i.d daily in continuous 28-day cycles in this phase II study. The primary objective was overall response rate (ORR) measured by the modified severity weighted assessment tool (m-SWAT), secondary end-points were time to response (TTR), time to progression (TTP), duration of response (DOR), progression-free survival (PFS), overall survival (OS) and safety...
February 15, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28268430/analysis-of-magnetoencephalography-signals-from-alzheimer-s-disease-patients-using-granger-causality
#10
Celia Juan-Cruz, Carlos Gomez, Jesus Poza, Alberto Fernandez, Roberto Hornero
The aim of this study was to analyze resting-state magnetoencephalography (MEG) activity in Alzheimer's disease (AD) by means of Granger Causality (GC), an effective connectivity measure that provides an estimation of the information flow between brain regions. For this task, five minutes of MEG recordings were acquired with a 148-channel whole-head magnetometer from 36 AD patients and 26 healthy controls. Abnormalities in AD connectivity were found in the five typical frequency bands: delta (δ, 1-4 Hz), theta (θ, 4-8 Hz), alpha (α, 8-13 Hz), beta (β, 13-30 Hz), and gamma (γ, 30-65 Hz)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28244183/nonketotic-hyperglycinemia-functional-assessment-of-missense-variants-in-gldc-to-understand-phenotypes-of-the-disease
#11
Irene Bravo-Alonso, Rosa Navarrete, Laura Arribas-Carreira, Almudena Perona, David Abia, María Luz Couce, Angels García-Cazorla, Ana Morais, Rosario Domingo, María Antonia Ramos, Michael A Swanson, Johan L K Van Hove, Magdalena Ugarte, Belén Pérez, Celia Pérez-Cerdá, Pilar Rodríguez-Pombo
The rapid analysis of genomic data is providing effective mutational confirmation in patients with clinical and biochemical hallmarks of a specific disease. This is the case for Nonketotic Hyperglycinemia (NKH), a Mendelian disorder causing seizures in neonates and early-infants, primarily due to mutations in the GLDC gene. However, understanding the impact of missense-variants identified in this gene is a major challenge for the application of genomics into clinical practice. Herein, a comprehensive functional and structural analysis of 19 GLDC missense-variants identified in a cohort of 26 NKH patients was performed...
February 28, 2017: Human Mutation
https://www.readbyqxmd.com/read/28236143/c3-glomerulopathy-and-eculizumab-a-report-on-four-paediatric-cases
#12
Célia Lebreton, Justine Bacchetta, Frédérique Dijoud, Lucie Bessenay, Véronique Fremeaux-Bacchi, Anne Laure Sellier-Leclerc
BACKGROUND: Eculizumab may be used to treat C3-glomerulopathy (C3G), a rare but severe glomerular disease. DIAGNOSIS AND TREATMENT: Patients 1, 2 and 3 were diagnosed with nephritic syndrome with alternative complement pathway activation (low C3, C3Nef-positive) and C3G at the age of 9, 13 and 12 years, respectively. Treatment with eculizumab normalized proteinuria within 1, 2 and 7 months, respectively. Proteinuria relapsed when eculizumab was withdrawn, but the re-introduction of eculizumab normalized proteinuria...
February 24, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28227108/analysis-of-spontaneous-eeg-activity-in-alzheimer-s-disease-using-cross-sample-entropy-and-graph-theory
#13
Carlos Gomez, Jesus Poza, Javier Gomez-Pilar, Alejandro Bachiller, Celia Juan-Cruz, Miguel A Tola-Arribas, Alicia Carreres, Monica Cano, Roberto Hornero, Carlos Gomez, Jesus Poza, Javier Gomez-Pilar, Alejandro Bachiller, Celia Juan-Cruz, Miguel A Tola-Arribas, Alicia Carreres, Monica Cano, Roberto Hornero, Celia Juan-Cruz, Carlos Gomez, Alicia Carreres, Jesus Poza, Monica Cano, Roberto Hornero, Javier Gomez-Pilar, Alejandro Bachiller, Miguel A Tola-Arribas
The aim of this pilot study was to analyze spontaneous electroencephalography (EEG) activity in Alzheimer's disease (AD) by means of Cross-Sample Entropy (Cross-SampEn) and two local measures derived from graph theory: clustering coefficient (CC) and characteristic path length (PL). Five minutes of EEG activity were recorded from 37 patients with dementia due to AD and 29 elderly controls. Our results showed that Cross-SampEn values were lower in the AD group than in the control one for all the interactions among EEG channels...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226600/analysis-of-magnetoencephalography-signals-from-alzheimer-s-disease-patients-using-granger-causality
#14
Celia Juan-Cruz, Carlos Gomez, Jesus Poza, Alberto Fernandez, Roberto Hornero, Celia Juan-Cruz, Carlos Gomez, Jesus Poza, Alberto Fernandez, Roberto Hornero, Roberto Hornero, Celia Juan-Cruz, Carlos Gomez, Jesus Poza, Alberto Fernandez
The aim of this study was to analyze resting-state magnetoencephalography (MEG) activity in Alzheimer's disease (AD) by means of Granger Causality (GC), an effective connectivity measure that provides an estimation of the information flow between brain regions. For this task, five minutes of MEG recordings were acquired with a 148-channel whole-head magnetometer from 36 AD patients and 26 healthy controls. Abnormalities in AD connectivity were found in the five typical frequency bands: delta (δ, 1-4 Hz), theta (θ, 4-8 Hz), alpha (α, 8-13 Hz), beta (β, 13-30 Hz), and gamma (γ, 30-65 Hz)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28203320/interplay-between-oxidative-stress-and-metabolism-in-signalling-and-disease-2016
#15
EDITORIAL
Eric E Kelley, Antonio Marcus de Andrade Paes, Hariom Yadav, Celia Quijano, Adriana Cassina, Andrés Trostchansky
No abstract text is available yet for this article.
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28186000/monitoring-fetal-maturation-objectives-techniques-and-indices-of-autonomic-function
#16
Dirk Hoyer, Jan Zebrowski, Dirk Cysarz, Hernani Goncalves, Adelina Pytlik, Celia Amorim-Costa, Joao Bernardes, Diogo Ayres-de-Campos, Otto Witte, Ekkehard Schleussner, Lisa Stroux, Christopher Redman, Antoniya Georgieva, Stephen Payne, Gari Clifford, Maria Signorini, Giovanni Magenes, Fernando Andreotti, Hagen Malberg, Sebastian Zaunseder, Igor Lakhno, Uwe Schneider
Monitoring the fetal behavior does not only have implications for acute care but also for identifying developmental disturbances that burden the entire later life. The concept, of "fetal programming", also known as "developmental origins of adult disease hypothesis", e.g. applies for cardiovascular, metabolic, hyperkinetic, cognitive disorders. Since the autonomic nervous system is involved in all of those systems, cardiac autonomic control may provide relevant functional diagnostic and prognostic information...
February 10, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28181228/thyrotropin-receptor-gene-expression-in-the-association-between-chronic-spontaneous-urticaria-and-hashimoto-s-thyroiditis
#17
Maria R C Silvares, Maria R P Fortes, Renata de A M L Nascimento, Carlos R Padovani, Hélio A Miot, Célia R Nogueira, Gláucia M F da S Mazeto
BACKGROUND: Chronic spontaneous urticaria (CSU) may be associated with autoimmune thyroid diseases, and the Autologous Serum Skin Test (ASST) is an autoreactivity marker. The thyrotropin (TSH) and TSH receptor (TSHR) could play a role in the pathogenesis of CSU. The aim of this study was to evaluate ASST positivity and TSHR gene expression in healthy skin and ASST wheals in euthyroid women with CSU, with (14 patients) and without (15 patients) Hashimoto's thyroiditis (HT). METHODS: ASST was performed and TSHR gene expression studied in wheals induced by ASST and in healthy skin...
February 8, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28167630/early-phase-mast-cell-activation-determines-the-chronic-outcome-of-renal-ischemia-reperfusion-injury
#18
Luca Danelli, Lydia Celia Madjene, Iris Madera-Salcedo, Gregory Gautier, Emeline Pacreau, Sanae Ben Mkaddem, Nicolas Charles, Eric Daugas, Pierre Launay, Ulrich Blank
Ischemia-reperfusion injury (IRI) is an important cause of acute kidney injury that can lead to end-stage renal failure. Although the ensuing inflammatory response can restore homeostasis, a consecutive maladaptive repair and persistent inflammation represent important risk factors for postischemic chronic kidney disease development. In this study, we investigated the role of mast cells in both the early and late phases of the inflammatory response in experimental models of acute and chronic renal IRI using our recently developed mouse model that allows conditional ablation of mast cells...
February 6, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28165629/renal-biochemistry-variables-and-ultrasonographic-imaging-in-healthy-squirrel-monkeys-saimiri-collinsi
#19
Fernanda Luiza de Miranda Lins E Lins, Pedro Mayor, Ednaldo Silva Filho, Aline Amaral Imbeloni, Wellington Bandeira da Silva, Maria Vivina Barros Monteiro, Diana Célia Sousa Nunes-Pinheiro, Frederico Ozanan Barros Monteiro
BACKGROUND: The combined use of renal biochemistry and ultrasonographic imaging may improve the correct management of renal disease. Although renal disease is frequently observed in nonhuman primates, renal function markers have not yet been studied in Squirrel monkeys (Saimiri collinsi). OBJECTIVES: The aim of this study was to establish normal renal biochemistry variables and ultrasonographic features in Squirrel monkeys. MATERIAL AND METHODS: Renal biochemistry variables and ultrasonographic images were documented in 29 healthy Squirrel monkeys (15 males and 14 females)...
February 6, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28142149/cancer-stem-cells-in-prostate-cancer-implications-for-targeted-therapy
#20
Ricardo Leão, Célia Domingos, Arnaldo Figueiredo, Robert Hamilton, Uri Tabori, Pedro Castelo-Branco
Prostate cancer (PCa) is the most frequently diagnosed cancer in men and the second most common cause of cancer-related mortality among men in the developed world. Conventional anti-PCa therapies include surgery, radiation, hormonal ablation, and chemotherapy. Despite increasing efforts, these therapies are not effective for patients with advanced and/or metastatic disease. In most cases, cancer therapies fail due to an incomplete depletion of tumor cells, resulting in tumor relapse. The cancer stem cell (CSC) hypothesis is an emerging model that explains many of the molecular characteristics of oncological disease as well as the tendency of cancers to relapse, metastasize, and develop resistance to conventional therapies...
February 1, 2017: Urologia Internationalis
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