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https://www.readbyqxmd.com/read/29331332/hiv-infection-and-its-effects-on-the-development-of-autoimmune-disorders
#1
REVIEW
Luis E Vega, Luis R Espinoza
More than 35 years have elapsed since the initial outbreak of the HIV/AIDS epidemic and the status of a considerable number of patients has changed from a fatal disorder to a chronic one where comorbidities including sarcoidosis and autoimmune diseases have become relevant and dominant. HIV targets the immune system leading to a state of immunodeficiency in a setting of immune activation in which CD4+ T cell depletion plays a critical role. The onset, natural history and course of HIV-associated autoimmune disease has dramatically changed according to the stage of HIV infection and since the introduction of combined anti-retroviral therapy...
January 10, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29330825/poststimulation-time-interval-dependent-effects-of-motor-cortex-anodal-tdcs-on-reaction-time-task-performance
#2
Andrés Molero-Chamizo, José R Alameda Bailén, Tamara Garrido Béjar, Macarena García López, Inmaculada Jaén Rodríguez, Carolina Gutiérrez Lérida, Silvia Pérez Panal, Gloria González Ángel, Laura Lemus Corchero, María J Ruiz Vega, Michael A Nitsche, Guadalupe N Rivera-Urbina
Anodal transcranial direct current stimulation (tDCS) induces long-term potentiation-like plasticity, which is associated with long-lasting effects on different cognitive, emotional, and motor performances. Specifically, tDCS applied over the motor cortex is considered to improve reaction time in simple and complex tasks. The timing of tDCS relative to task performance could determine the efficacy of tDCS to modulate performance. The aim of this study was to compare the effects of a single session of anodal tDCS (1...
January 12, 2018: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29329758/real-time-rt-pcr-a-necessary-tool-to-support-the-diagnosis-and-surveillance-of-rotavirus-in-mexico
#3
Sergio Isaac De La Cruz Hernández, Yazmin Anaya Molina, Fabián Gómez Santiago, Heidi Lizbeth Terán Vega, Elda Monroy Leyva, Héctor Méndez Pérez, Herlinda García Lozano
Rotavirus produces diarrhea in children under 5 years old. Most of those conventional methods such as polyacrylamide gel electrophoresis (PAGE) and reverse transcription-polymerase chain reaction (RT-PCR) have been used for rotavirus detection. However, these techniques need a multi-step process to get the results. In comparison with conventional methods, the real-time RT-PCR is a highly sensitive method, which allows getting the results in only one day. In this study a real-time RT-PCR assay was tested using a panel of 440 samples from patients with acute gastroenteritis, and characterized by PAGE and RT-PCR...
December 14, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29328918/transmembrane-pickets-connect-cyto-and-pericellular-skeletons-forming-barriers-to-receptor-engagement
#4
Spencer A Freeman, Anthony Vega, Magdalena Riedl, Richard F Collins, Phillip P Ostrowski, Elliot C Woods, Carolyn R Bertozzi, Markku I Tammi, Diane S Lidke, Pauline Johnson, Satyajit Mayor, Khuloud Jaqaman, Sergio Grinstein
Phagocytic receptors must diffuse laterally to become activated upon clustering by multivalent targets. Receptor diffusion, however, can be obstructed by transmembrane proteins ("pickets") that are immobilized by interacting with the cortical cytoskeleton. The molecular identity of these pickets and their role in phagocytosis have not been defined. We used single-molecule tracking to study the interaction between Fcγ receptors and CD44, an abundant transmembrane protein capable of indirect association with F-actin, hence likely to serve as a picket...
January 11, 2018: Cell
https://www.readbyqxmd.com/read/29328286/information-weighted-constrained-regularization-for-particle-size-distribution-recovery-in-multiangle-dynamic-light-scattering
#5
Min Xu, Jin Shen, John C Thomas, Yu Huang, Xinjun Zhu, Luis A Clementi, Jorge R Vega
In particle size measurement with dynamic light scattering (DLS), it is difficult to get an accurate recovery of a bimodal particle size distribution (PSD) with a peak position ratio less than ~2:1, especially when large particles (>350nm) are present. This is due to the inherent noise in the autocorrelation function (ACF) data and the scarce utilization of PSD information during the inversion process. In this paper, the PSD information distribution in the ACF data is investigated. It was found that the initial decay section of the ACF contains more information, especially for a bimodal PSD...
January 8, 2018: Optics Express
https://www.readbyqxmd.com/read/29327903/canagliflozin-and-cardiovascular-and-renal-events-in-type-2-diabetes
#6
M Mercè Fernández-Balsells, Lidia Sojo-Vega, Wifredo Ricart-Engel
No abstract text is available yet for this article.
November 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29327478/interventions-to-improve-working-conditions-of-nursing-staff-in-acute-care-hospitals-scoping-review
#7
Sergio Barrientos-Trigo, Laura Vega-Vázquez, Rocío De Diego-Cordero, Bárbara Badanta-Romero, Ana M Porcel-Gálvez
AIM: To conduct a scoping review to examine and map the interventions proposed for the improvement of the working conditions of nursing staff in acute care hospitals. BACKGROUND: The Registered Nurse Forecasting (RN4CAST) project and other studies have determined the impact that the nursing staff has on the quality of care. The nursing staff's higher levels of burnout, job dissatisfaction and negative perception of the quality of care provided caused worse health outcomes...
January 11, 2018: Journal of Nursing Management
https://www.readbyqxmd.com/read/29325476/twelve-weeks-of-ombitasvir-paritaprevir-r-and-dasabuvir-without-ribavirin-is-effective-and-safe-in-the-treatment-of-patients-with-hcv-genotype-1b-infection-and-compensated-cirrhosis-results-from-a-real-world-cohort-study
#8
Esther Chamorro-de-Vega, Alvaro Gimenez-Manzorro, Carmen-Guadalupe Rodriguez-Gonzalez, Vicente Escudero-Vilaplana, Ana De Lorenzo-Pinto, Irene Iglesias-Peinado, Ana Herranz-Alonso, Maria Sanjurjo Saez
OBJECTIVE: To explore the effectiveness and safety of ombitasvir/paritaprevir/ritonavir and dasabuvir (OBV/PTV/r+DSV) for 12 weeks without ribavirin in adults with chronic HCV genotype 1b infection and compensated cirrhosis. METHODS: Observational study of a prospective cohort of adult patients with HCV genotype 1b infection and compensated cirrhosis who received 12 weeks of OBV/PTV/r and DSV without ribavirin. Effectiveness was assessed by recording the percentage of patients achieving sustained virological response at week 12 post-treatment (SVR12)...
January 11, 2018: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/29320919/does-school-physical-education-really-contribute-to-accelerometer-measured-daily-physical-activity-and-non-sedentary-behaviour-in-high-school-students
#9
Daniel Mayorga-Vega, Alejandro Martínez-Baena, Jesús Viciana
Physical education has been highlighted as an important environment for physical activity promotion, however, to our knowledge there are no previous studies examining the contribution of physical education to daily accelerometer-measured physical activity and non sedentary behaviour. The purpose was to compare the accelerometer-measured physical activity and sedentary behaviour between physical education, non-physical education and weekend days in adolescents. Of the 394 students from a Spanish high school that were invited to participate, 158 students (83 boys and 75 girls) aged 13-16 years were analyzed (wear time ≥ 600 min)...
January 11, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29316426/clinical-sequencing-defines-the-genomic-landscape-of-metastatic-colorectal-cancer
#10
Rona Yaeger, Walid K Chatila, Marla D Lipsyc, Jaclyn F Hechtman, Andrea Cercek, Francisco Sanchez-Vega, Gowtham Jayakumaran, Sumit Middha, Ahmet Zehir, Mark T A Donoghue, Daoqi You, Agnes Viale, Nancy Kemeny, Neil H Segal, Zsofia K Stadler, Anna M Varghese, Ritika Kundra, Jianjiong Gao, Aijazuddin Syed, David M Hyman, Efsevia Vakiani, Neal Rosen, Barry S Taylor, Marc Ladanyi, Michael F Berger, David B Solit, Jinru Shia, Leonard Saltz, Nikolaus Schultz
Metastatic colorectal cancers (mCRCs) are clinically heterogeneous, but the genomic basis of this variability remains poorly understood. We performed prospective targeted sequencing of 1,134 CRCs. We identified splice alterations in intronic regions of APC and large in-frame deletions in CTNNB1, increasing oncogenic WNT pathway alterations to 96% of CRCs. Right-sided primary site in microsatellite stable mCRC was associated with shorter survival, older age at diagnosis, increased mutations, and enrichment of oncogenic alterations in KRAS, BRAF, PIK3CA, AKT1, RNF43, and SMAD4 compared with left-sided primaries...
January 8, 2018: Cancer Cell
https://www.readbyqxmd.com/read/29313750/serum-retinol-folic-acid-and-copper-are-associated-with-sperm-abnormalities-in-men-with-obesity
#11
Berniza Calderón, Vital Hevia, Belén Vega-Piñero, Antonia Martín-Hidalgo, Helena Mendez-Del Sol, Héctor F Escobar-Morreale, José I Botella-Carretero
BACKGROUND AND OBJECTIVES: Micronutrients may influence the development and differentiation of sperm cells. The aim of this study was to assess the possible association of deficiencies in several vitamins and trace elements with sperm abnormalities in men with obesity. PARTICIPANTS AND METHODS: Thirty male patients with moderate to severe obesity and ten lean controls who gave written informed consent were included. Anthropometric parameters were recorded. Hormonal and lipid profiles were analyzed, as well as serum concentrations of zinc, copper, retinol, α-tocopherol, 25-hydroxyvitamin D, cobalamin, and folic acid...
January 9, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29313697/contribution-of-the-virtual-colonoscopy-in-a-case-of-intestinal-intussusception
#12
Victoria de Lara Bendahán, Marta Rivas Rivas, Maria Coral de la Vega Olías, Vicente Vega Ruiz
The present paper describes a case of ileocecal intussusception detected by ultrasound and confirmed by CT, including the imaging characteristics allowing its diagnosis. The patient was referred for colonoscopy, which could not be completed, to assess the cause of intussusception. Then it was decided to resort to Virtual colonoscopy, which allowed to identify and characterize a cecal neoplasm serving as a lead point for the intussusception.
January 9, 2018: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29306670/multivessel-disease-in-patients-over-75years-old-with-st-elevated-myocardial-infarction-current-management-strategies-and-related-clinical-outcomes-in-the-estrofa-mi-75-nation-wide-registry
#13
Jose M de La Torre Hernandez, Joan A Gomez Hospital, Jose A Baz, Salvatore Brugaletta, Armando Perez de Prado, Jose A Linares, Ramón Lopez Palop, Belen Cid, Tamara Garcia Camarero, Alejandro Diego, Hipolito Gutierrez, Jose A Fernandez Diaz, Juan Sanchis, Fernando Alfonso, Roberto Blanco, Javier Botas, Javier Navarro Cuartero, Jose Moreu, Francisco Bosa, Jose M Vegas, Jaime Elizaga, Antonio L Arrebola, Felipe Hernandez, Neus Salvatella, Marta Monteagudo, Alfredo Gomez Jaume, Xavier Carrillo, Roberto Martin Reyes, Fernando Lozano, Jose R Rumoroso, Leire Andraka, Antonio J Dominguez
BACKGROUND: In elderly patients with ST elevated myocardial infarction (STEMI) and multivessel disease (MVD the outcomes related with different revascularization strategies are not well known. METHODS: Subgroup-analysis of a nation-wide registry of primary angioplasty in the elderly (ESTROFA MI+75) with 3576 patients over 75years old from 31 centers. Patients with MVD were analyzed to describe treatment approaches and 2years outcomes. RESULTS: Of 1830 (51%) with MVD, 847 (46%) underwent multivessel revascularization either in acute (51%), staged (44%) or both procedures (5%)...
December 6, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29305300/-epidemiological-characteristics-of-st-segment-elevation-myocardial-infarction-in-peru-results-of-the-peruvian-registry-of-st-segment-elevation-myocardial-infarction-perstemi
#14
Manuel Chacón-Diaz, Alejandro Vega, Ofelia Aráoz, Patricia Ríos, Roberto Baltodano, Fernando Villanueva, Alexander Montesinos, Jorge Martos, John Zevallos, David Miranda, Jorge Gutierrez, José Carasas, Alex Pecho, Sandra Negrón, Henry Anchante, Nassip Llerena, German Yabar, Javier Chumbe, Sara Ramírez, Marco Lazo, Jorge Sotomayor, Marco López, Carlos Perez
OBJECTIVE: To determine the epidemiological characteristics, treatment, reperfusion strategies and in-hospital adverse events of patients with ST elevation myocardial infarction in Peru. METHODS: Observational, prospective multicentre study in patients over 18 years admitted to hospital with a diagnosis of ST elevation myocardial infarction. RESULTS: A total of 396 patients were enrolled in the registry during February 2016 to February 2017...
January 2, 2018: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/29305053/structure-kinetics-molecular-and-redox-properties-of-a-cytosolic-and-developmentally-regulated-fungal-catalase-peroxidase
#15
Vanessa Vega-García, Adelaida Díaz-Vilchis, Juan-Pablo Saucedo-Vázquez, Alejandro Solano-Peralta, Enrique Rudiño-Piñera, Wilhelm Hansberg
CAT-2, a cytosolic catalase-peroxidase (CP) from Neurospora crassa, which is induced during asexual spore formation, was heterologously expressed and characterized. CAT-2 had the Met-Tyr-Trp adduct required for catalase activity. Its KM for H2O2 was micromolar for peroxidase and millimolar for catalase activity. A Em = -158 mV reduction potential value was obtained and the Soret band shift suggested a mixture of low and high spin ferric iron. CAT-2 EPR spectrum at 10 K indicated an axial and a rhombic component...
January 2, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29304457/bioindication-of-mercury-arsenic-and-uranium-in-the-apple-snail-pomacea-canaliculata-caenogastropoda-ampullariidae-bioconcentration-and-depuration-in-tissues-and-symbiotic-corpuscles
#16
Alejandra D Campoy-Diaz, María A Arribére, Sergio Ribeiro Guevara, Israel A Vega
Pomacea canaliculata is a mollusk potentially useful as a biomonitor species of freshwater quality. This work explores the ability of snail tissues and symbiotic corpuscles to bioconcentrate and depurate mercury, arsenic, and uranium. Adult snails cultured in metal-free reconstituted water were exposed for eight weeks (bioaccumulation phase) to water with Hg (2 μgL-1), As (10 μgL-1), and U (30 μgL-1) and then returned to the reconstituted water for other additional eight weeks (depuration phase). Elemental concentrations in digestive gland, kidney, symbiotic corpuscles and particulate excreta were determined by neutron activation analysis...
December 26, 2017: Chemosphere
https://www.readbyqxmd.com/read/29304389/the-expression-of-oxidative-stress-response-genes-is-modulated-by-a-combination-of-resveratrol-and-n-acetylcysteine-to-ameliorate-ototoxicity-in-the-rat-cochlea
#17
Fernando García-Alcántara, Silvia Murillo-Cuesta, Sara Pulido, Jose M Bermúdez-Muñoz, Raquel Martínez-Vega, Marta Milo, Isabel Varela-Nieto, Teresa Rivera
Aminoglycoside antibiotics are used widely in medicine despite their ototoxic side-effects. Oxidative stress and inflammation are key mechanisms determining the extent and severity of the damage. Here we evaluate the protective effect of a treatment with resveratrol plus N-acetylcysteine on the ototoxic actions of kanamycin and furosemide in the rat. Resveratrol (10 mg/kg) and N-acetylcysteine (400 mg/kg) were administered together to Wistar rats on 5 consecutive days. The second day, a concentrated solution of kanamycin and furosemide was placed on the round window to induce ototoxicity...
December 14, 2017: Hearing Research
https://www.readbyqxmd.com/read/29302848/robot-assisted-surgery-and-incisional-hernia-a-comparative-study-of-ergonomics-in-a-training-model
#18
Alexis Sánchez, Omaira Rodríguez, Génesis Jara, Renata Sánchez, Liumariel Vegas, José Rosciano, Luis Estrada
Over the years, incisional hernia repair has evolved. Currently, primary closure of the defect before placing the mesh is a critical step in incisional hernia repair and minimally invasive surgery incorporation has an important role due to great advantages. Despite its benefits, laparoscopic closure with suture intracorporeal knotting is physically demanding and technically complex. Robotic technology provides an optimal three-dimensional view, maneuverability of the instruments but no study has assessed the impact of the DaVinci system in the ergonomics which is the objective in this study...
January 4, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/29302156/root-environment-is-a-key-determinant-of-fungal-entomopathogen-endophytism-following-seed-treatment-in-the-common-bean-phaseolus-vulgaris
#19
Soroush Parsa, Viviana Ortiz, María I Gómez-Jiménez, Matthew Kramer, Fernando E Vega
The common bean is the most important food legume in the world. We examined the potential of the fungal entomopathogens Beauveria bassiana and Metarhizium anisopliae applied as seed treatments for their endophytic establishment in the common bean. Endophytic colonization in sterile sand:peat averaged ca. 40% higher for fungus treatments and ca. six times higher for volunteer fungi (other fungal endophytes naturally occurring in our samples), relative to sterile vermiculite. Colonization by B. bassiana and M...
January 2018: Biological Control: Theory and Applications in Pest Management
https://www.readbyqxmd.com/read/29301729/preconception-care-in-diabetes-predisposing-factors-and-barriers
#20
Shaila Carrasco Falcón, Begoña Vega Guedes, Dácil Alvarado-Martel, Ana M Wägner
BACKGROUND AND OBJECTIVE: Preconception care has been shown to decrease the risk of pregnancy-related complications in women with diabetes, but many women do not plan their pregnancies. Our aim was to identify the associated factors and barriers related to involvement of these women in preconception care. MATERIAL AND METHODS: Fifty women with pregestational diabetes (28 with type 1 diabetes) and 50 non-diabetic pregnant women were consecutively enrolled at our hospital...
January 1, 2018: Endocrinología, Diabetes y Nutrición
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