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https://www.readbyqxmd.com/read/28815380/expression-of-micrornas-in-tumors-of-the-central-nervous-system-in-pediatric-patients-in-m%C3%A3-xico
#1
Pilar Eguía-Aguilar, Lisette Gutiérrez-Castillo, Mario Pérezpeña-Díazconti, Jeanette García-Chéquer, Jorge García-Quintana, Fernando Chico-Ponce de León, Luis Gordillo-Domínguez, Samuel Torres-García, Francisco Arenas-Huertero
PURPOSE: MicroRNAs were identified as molecules that participate in gene regulation; alterations in their expression characterize central nervous system (CNS). Information in pediatrics is scarce, so the objective of this work was to determine and then compare the patterns of expression of microRNAs in astrocytomas, ependymomas, and medulloblastomas, as well as in non-neoplastic brain. METHODS: Low-density arrays were utilized to evaluate 756 microRNAs in three samples of each type of tumor and non-neoplastic brain...
August 16, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28810122/crystal-face-distributions-and-surface-site-densities-of-two-synthetic-goethites-implications-for-adsorption-capacities-as-a-function-of-particle-size
#2
Kenneth J T Livi, Mario Villalobos, Rowan K Leary, Maria Varela, Jon Barnard, Milton Villacís-García, Rodolfo Zanella, Anna Goodridge, Paul A Midgley
Two synthetic goethites of varying crystal sizes distributions were analyzed by BET, conventional TEM, cryo-TEM, atomic resolution STEM and HRTEM, and electron tomography in order to determine the effects of crystal size, shape, and atomic scale surface roughness on their adsorption capacities. The two samples were determined by BET to have very different site densities based on CrVI adsorption experiments. Model specific surfaces areas generated from TEM observations showed that, based on size and shape, there should be little difference in their adsorption capacities...
August 15, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28802270/intra-molecular-salt-bridge-in-bacillus-thuringiensis-cry4ba-toxin-is-involved-in-the-stability-of-helix-%C3%AE-3-that-is-needed-for-oligomerization-and-insecticidal-activity
#3
Sabino Pacheco, Isabel Gómez, Jorge Sanchez, Blanca-Ines García-Gómez, Mario Soberón, Alejandra Bravo
Bacillus thuringiensis three domain Cry toxins kill insects by forming pores in the apical membrane of larval midgut cells. Oligomerization of the toxin is an important step for pore formation. Domain I helix α-3 participates in toxin oligomerization. Here we identify an intra-molecular salt bridge within helix α-3 of Cry4Ba (D111-K115) that is conserved in many members of the family of the three-domain Cry toxins. Single point mutations such as D111K or K115D resulted in proteins severely affected in toxicity...
August 11, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28783139/antipsychotic-induced-hdac2-transcription-via-nf-%C3%AE%C2%BAb-leads-to-synaptic-and-cognitive-side-effects
#4
Daisuke Ibi, Mario de la Fuente Revenga, Nebojsa Kezunovic, Carolina Muguruza, Justin M Saunders, Supriya A Gaitonde, José L Moreno, Maryum K Ijaz, Vishaka Santosh, Alexey Kozlenkov, Terrell Holloway, Jeremy Seto, Aintzane García-Bea, Mitsumasa Kurita, Grace E Mosley, Yan Jiang, Daniel J Christoffel, Luis F Callado, Scott J Russo, Stella Dracheva, Juan F López-Giménez, Yongchao Ge, Carlos R Escalante, J Javier Meana, Schahram Akbarian, George W Huntley, Javier González-Maeso
Antipsychotic drugs remain the standard for schizophrenia treatment. Despite their effectiveness in treating hallucinations and delusions, prolonged exposure to antipsychotic medications leads to cognitive deficits in both schizophrenia patients and animal models. The molecular mechanisms underlying these negative effects on cognition remain to be elucidated. Here we demonstrate that chronic antipsychotic drug exposure increases nuclear translocation of NF-κB in both mouse and human frontal cortex, a trafficking event triggered via 5-HT2A-receptor-dependent downregulation of the NF-κB repressor IκBα...
August 7, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28776721/synergistic-interaction-of-matricaria-chamomilla-extract-with-diclofenac-and-indomethacin-on-carrageenan-induced-paw-inflammation-in-rats
#5
Mario I Ortiz, Raquel Cariño-Cortés, Héctor A Ponce-Monter, Martha P González-García, Gilberto Castañeda-Hernández, Mireya Salinas-Caballero
Preclinical Research The coadministration of non-steroidal anti-inflammatory drugs (NSAIDs) with medicinal plant extracts may increase anti-inflammatory activity, thus permitting the use of lower NSAID doses and limiting the side effects. The aim of this study was to explore the interactions between an ethanolic extract of M. chamomilla extract (MCE) with two NSAIDs, diclofenac and indomethacin on carrageenan-induced paw inflammation and gastric injury in rats. Diclofenac, indomethacin and MCE, or combinations with MCE produced an anti-inflammatory effect...
August 4, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28764639/antithrombotic-treatment-during-coronary-angioplasty-after-failed-thrombolysis-strategies-and-prognostic-implications-results-of-the-respire-registry
#6
José M De la Torre Hernández, Mario Sadaba Sagredo, Miren Telleria Arrieta, Federico Gimeno de Carlos, Elena Sanchez Lacuesta, Juan A Bullones Ramírez, Javier Pineda Rocamora, Victoria Martin Yuste, Tamara Garcia Camarero, Mariano Larman, Jose R Rumoroso
BACKGROUND: Thrombolysis is still used when primary angioplasty is delayed for a long time, but 25%-30% of patients require rescue angioplasty (RA). There are no established recommendations for antithrombotic management in RA. This registry analyzes regimens for antithrombotic management. METHODS: A retrospective, multicenter, observational registry of consecutive patients treated with RA at 8 hospitals. All variables were collected and follow-up took place at 6 months...
August 1, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28762858/influence-of-polyvinylpyrrolidone-microcrystalline-cellulose-and-colloidal-silicon-dioxide-on-technological-characteristics-of-a-high-dose-petiveria-alliacea-tablet
#7
Martha-Estrella García-Pérez, Zoe Lemus-Rodríguez, Mario Hung-Arbelo, Marlen Vistel-Vigo
PURPOSE: Petiveria alliacea L. (Phytolaccaceae) is a perennial shrub used by its immunomodulatory, anticancerogenic and anti-inflammatory properties. This study determined the influence of polyvinylpyrrolidone (PVP), colloidal silicon dioxide (CSD) and microcrystalline cellulose (MC) on the technological characteristic of a high-dose P.alliacea tablet prepared by the wet granulation method. METHODOLOGY: The botanical and pharmacognostic analysis of the plant material was firstly performed, followed by a 2(3) factorial design considering three factors at two levels: a) the binder (PVP) incorporated in formulation at 10 and 15% (w/w); b) the compacting agent (CSD) added at 10 and 15% (w/w) and; c) the diluent (MC) included at 7...
August 1, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28752531/cardiac-sarcoidosis-diagnosed-by-multimodality-imaging
#8
Kana Fujikura, Mario J Garcia
A 66-year-old woman presented with frequent premature ventricular contractions (PVC) and akinesis of the basal septum on echocardiography. Coronary angiography was normal. Cardiac magnetic resonance showed mid-wall enhancement. Positron emission tomography showed a perfusion defect at the same location using 13N-ammonia, but increased 18-fluorodeoxyglucose uptake. These findings supported the diagnosis of cardiac sarcoidosis. High-dose steroids initially reduced frequency of PVCs but had to be withdrawn due to severe side effects...
July 28, 2017: Echocardiography
https://www.readbyqxmd.com/read/28750498/emerging-clinical-issues-and-multivariate-analyses-in-pet-investigations
#9
Javier Arbizu, Alessandro Giuliani, Jaime G Perez-Larraya, Mario Riverol, Cathrine Jonsson, Berta García-García, Maribel Morales, Laura Imaz, Marco Pagani
PET using 18F-2-fluoro-2-deoxy-D-glucose (FDG-PET) has been gradually introduced in the diagnostic clinical criteria of the most prevalent neurodegenerative diseases. Moreover, an increasing amount of literature have shown that the information provided by FDG-PET enhances the sensitivity of standard imaging biomarkers in less frequent disorders in which an early differential diagnosis can be of paramount relevance for patient management and outcome. Therefore emerging uses of FDG-PET may be important in prion diseases, autoimmune encephalitis and amyotrophic lateral sclerosis...
July 27, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28739429/llex-paraguariensis-decreases-oxidative-stress-in-bone-and-mitigates-the-damage-in-rats-during-perimenopause
#10
Camila Scacco Pereira, Camila Tami Stringhetta-Garcia, Lilian da Silva Xavier, Keny Gonçalves Tirapeli, Ariana Aparecida Ferreira Pereira, GiselIi Mitsuy Kayahara, José Marcelo Tramarim, Marcelo Macedo Crivelini, Karina Stringhetta Padovani, Andréia Machado Leopoldino, Mário Jefferson Quirino Louzada, Adriane Belló-Klein, Susana Francisca Llesuy, Edilson Ervolino, Rita Cássia Menegati Dornelles, Antonio Hernandes Chaves-Neto, Ana Cláudia de Melo Stevanato Nakamune
During perimenopause, oxidative stress increases, which may result in disruption of bone turnover, and consequently in osteoporosis. The use of antioxidants may be an effective nutritional approach to reducing osteoporosis in this period of life. Mate tea (MT) (Ilex paraguariensis), a typical and inexpensive beverage consumed in the Brazilian south-east, Argentina and Uruguay, increases antioxidant defense. Our hypothesis was that MT would decrease oxidative stress and mitigate bone deterioration. To test this, we analyzed oxidative stress markers of bone turnover, and local and systemic markers of bone metabolism of rats during natural perimenopause...
July 21, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28738447/comparison-of-local-versus-general-anesthesia-in-patients-undergoing-transcatheter-aortic-valve-replacement-a-meta-analysis
#11
Pedro A Villablanca, Divyanshu Mohananey, Katarina Nikolic, Sripal Bangalore, David P Slovut, Verghese Mathew, Vinod H Thourani, Josep Rode's-Cabau, Iván J Núñez-Gil, Tina Shah, Tanush Gupta, David F Briceno, Mario J Garcia, Jacob T Gutsche, John G Augoustides, Harish Ramakrishna
BACKGROUND: Transcatheter aortic valve replacement (TAVR) is typically performed under general anesthesia (GA). However, there is increasing data supporting the safety of performing TAVR under local anesthesia/conscious sedation (LA). We performed a meta-analysis to gain better understanding of the safety and efficacy of LA versus GA in patients with severe aortic stenosis undergoing TAVR. METHODS AND RESULTS: We comprehensively searched EMBASE, PubMed, and Web of Science...
July 24, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28728359/influence-of-supplemental-canola-or-soybean-oil-on-milk-yield-fatty-acid-profile-and-postpartum-weight-changes-in-grazing-dairy-goats
#12
Israel Lerma-Reyes, G D Mendoza-Martínez, Rolando Rojo-Rubio, Mario Mejia, Juan Carlos Garcia-Lopez, Hector Aaron Lee-Rangel
Objective: This experiment was designed to evaluate the effect of supplementation with soybean or canola oil on milk production and the composition of long chain fatty acids as well as weight changes in the goats and their kids. Methods: Thirty nine mulitparous crossed Alpine x Nubian goats (initial BW 43.5 ± 1.7 kg) from the day of parturition were assigned to the treatments: grazing control (n=15); grazing plus 20 mL/goat/d of supplemental soybean oil (n=12); and grazing plus 20 mL/goat/d of supplemental canola oil (n=12)...
June 27, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28724645/effect-of-maternal-high-dosages-of-folic-acid-supplements-on-neurocognitive-development-in-children-at-4-5-years-of-age-the-prospective-birth-cohort-infancia-y-medio-ambiente-inma-study
#13
Desirée Valera-Gran, Eva M Navarrete-Muñoz, Manuela Garcia de la Hera, Ana Fernández-Somoano, Adonina Tardón, Jesús Ibarluzea, Nekane Balluerka, Mario Murcia, Llúcia González-Safont, Dora Romaguera, Jordi Julvez, Jesús Vioque
Background: The benefits of the use of folic acid supplements (FASs) during the periconception period to prevent neural tube defects and to ensure normal brain development in offspring are well known. There is concern, however, about the long-term effects of the maternal use of high dosages of FASs that exceed the Tolerable Upper Intake Level (UL) (≥1000 μg/d) on child neurocognitive outcomes.Objective: The objective of the study was to examine the association between the use of high dosages of FASs during pregnancy and child neuropsychological development at ages 4-5 y...
July 19, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28718804/electromagnetic-differential-measuring-method-application-in-microstrip-sensors-developing
#14
Francisco Javier Ferrández-Pastor, Juan Manuel García-Chamizo, Mario Nieto-Hidalgo
Electromagnetic radiation is energy that interacts with matter. The interaction process is of great importance to the sensing applications that characterize material media. Parameters like constant dielectric represent matter characteristics and they are identified using emission, interaction and reception of electromagnetic radiation in adapted environmental conditions. How the electromagnetic wave responds when it interacts with the material media depends on the range of frequency used and the medium parameters...
July 18, 2017: Sensors
https://www.readbyqxmd.com/read/28714469/transancestral-mapping-and-genetic-load-in-systemic-lupus-erythematosus
#15
Carl D Langefeld, Hannah C Ainsworth, Deborah S Cunninghame Graham, Jennifer A Kelly, Mary E Comeau, Miranda C Marion, Timothy D Howard, Paula S Ramos, Jennifer A Croker, David L Morris, Johanna K Sandling, Jonas Carlsson Almlöf, Eduardo M Acevedo-Vásquez, Graciela S Alarcón, Alejandra M Babini, Vicente Baca, Anders A Bengtsson, Guillermo A Berbotto, Marc Bijl, Elizabeth E Brown, Hermine I Brunner, Mario H Cardiel, Luis Catoggio, Ricard Cervera, Jorge M Cucho-Venegas, Solbritt Rantapää Dahlqvist, Sandra D'Alfonso, Berta Martins Da Silva, Iñigo de la Rúa Figueroa, Andrea Doria, Jeffrey C Edberg, Emőke Endreffy, Jorge A Esquivel-Valerio, Paul R Fortin, Barry I Freedman, Johan Frostegård, Mercedes A García, Ignacio García de la Torre, Gary S Gilkeson, Dafna D Gladman, Iva Gunnarsson, Joel M Guthridge, Jennifer L Huggins, Judith A James, Cees G M Kallenberg, Diane L Kamen, David R Karp, Kenneth M Kaufman, Leah C Kottyan, László Kovács, Helle Laustrup, Bernard R Lauwerys, Quan-Zhen Li, Marco A Maradiaga-Ceceña, Javier Martín, Joseph M McCune, David R McWilliams, Joan T Merrill, Pedro Miranda, José F Moctezuma, Swapan K Nath, Timothy B Niewold, Lorena Orozco, Norberto Ortego-Centeno, Michelle Petri, Christian A Pineau, Bernardo A Pons-Estel, Janet Pope, Prithvi Raj, Rosalind Ramsey-Goldman, John D Reveille, Laurie P Russell, José M Sabio, Carlos A Aguilar-Salinas, Hugo R Scherbarth, Raffaella Scorza, Michael F Seldin, Christopher Sjöwall, Elisabet Svenungsson, Susan D Thompson, Sergio M A Toloza, Lennart Truedsson, Teresa Tusié-Luna, Carlos Vasconcelos, Luis M Vilá, Daniel J Wallace, Michael H Weisman, Joan E Wither, Tushar Bhangale, Jorge R Oksenberg, John D Rioux, Peter K Gregersen, Ann-Christine Syvänen, Lars Rönnblom, Lindsey A Criswell, Chaim O Jacob, Kathy L Sivils, Betty P Tsao, Laura E Schanberg, Timothy W Behrens, Earl D Silverman, Marta E Alarcón-Riquelme, Robert P Kimberly, John B Harley, Edward K Wakeland, Robert R Graham, Patrick M Gaffney, Timothy J Vyse
Systemic lupus erythematosus (SLE) is an autoimmune disease with marked gender and ethnic disparities. We report a large transancestral association study of SLE using Immunochip genotype data from 27,574 individuals of European (EA), African (AA) and Hispanic Amerindian (HA) ancestry. We identify 58 distinct non-HLA regions in EA, 9 in AA and 16 in HA (∼50% of these regions have multiple independent associations); these include 24 novel SLE regions (P<5 × 10(-8)), refined association signals in established regions, extended associations to additional ancestries, and a disentangled complex HLA multigenic effect...
July 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28706205/the-alkaloids-of-banisteriopsis-caapi-the-plant-source-of-the-amazonian-hallucinogen-ayahuasca-stimulate-adult-neurogenesis-in-vitro
#16
Jose A Morales-García, Mario de la Fuente Revenga, Sandra Alonso-Gil, María Isabel Rodríguez-Franco, Amanda Feilding, Ana Perez-Castillo, Jordi Riba
Banisteriopsis caapi is the basic ingredient of ayahuasca, a psychotropic plant tea used in the Amazon for ritual and medicinal purposes, and by interested individuals worldwide. Animal studies and recent clinical research suggests that B. caapi preparations show antidepressant activity, a therapeutic effect that has been linked to hippocampal neurogenesis. Here we report that harmine, tetrahydroharmine and harmaline, the three main alkaloids present in B. caapi, and the harmine metabolite harmol, stimulate adult neurogenesis in vitro...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28692074/-prima-guerra-mondiale-e-salute-mentale-uno-studio-retrospettivo-su-veterani-ricoverati-in-un-ospedale-psichiatrico-tra-il-1915-e-il-1918
#17
Paolo Lagonia, Matteo Aloi, Fabio Magliocco, Gregorio Cerminara, Cristina Segura-Garcia, Valeria Del Vecchio, Mario Luciano, Andrea Fiorillo, Pasquale De Fazio
RIASSUNTO. Scopo. L'associazione tra malattia mentale e guerra è stata più volte indagata. Nei reduci sono stati riscontrati alti livelli di sintomi depressivi e un aumento del rischio di suicidio. In questo studio abbiamo indagato le condizioni di salute mentale dei soldati italiani che hanno partecipato alla "Grande Guerra" che sono stati ricoverati in un Ospedale Psichiatrico in Italia. Metodi. Il campione è composto da 498 soldati ospedalizzati durante la prima guerra mondiale tra il 1915 e il 1918, e 498 pazienti civili ricoverati in due diversi periodi (1898-1914, 1919-1932)...
May 2017: Rivista di Psichiatria
https://www.readbyqxmd.com/read/28688224/defining-a-roadmap-for-harmonizing-quality-indicators-in-laboratory-medicine-a-consensus-statement-on-behalf-of-the-ifcc-working-group-laboratory-error-and-patient-safety-and-eflm-task-and-finish-group-performance-specifications-for-the-extra-analytical-phases
#18
Laura Sciacovelli, Mauro Panteghini, Giuseppe Lippi, Zorica Sumarac, Janne Cadamuro, César Alex De Olivera Galoro, Isabel Garcia Del Pino Castro, Wilson Shcolnik, Mario Plebani
The improving quality of laboratory testing requires a deep understanding of the many vulnerable steps involved in the total examination process (TEP), along with the identification of a hierarchy of risks and challenges that need to be addressed. From this perspective, the Working Group "Laboratory Errors and Patient Safety" (WG-LEPS) of International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) is focusing its activity on implementation of an efficient tool for obtaining meaningful information on the risk of errors developing throughout the TEP, and for establishing reliable information about error frequencies and their distribution...
July 8, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28682727/bacterial-prevalence-and-antibiotic-resistance-in-clinical-isolates-of-diabetic-foot-ulcers-in-the-northeast-of-tamaulipas-mexico
#19
Mario Sánchez-Sánchez, Wendy Lizeth Cruz-Pulido, Eduardo Bladinieres-Cámara, Rodrigo Alcalá-Durán, Gildardo Rivera-Sánchez, Virgilio Bocanegra-García
Diabetic foot ulcers (DFUs) are a serious and common problem in patients with diabetes mellitus and constitute one of the major causes of lower extremity amputation. The microbiological profile of DFUs depends on the acute or chronic character of the wound. Aerobic gram-positive cocci are the predominant organisms isolated from DFUs. Diabetic foot biopsies from patients admitted to the Angiology and Vascular Surgery Hospital of the Northeast, in Reynosa, Tamaulipas from December 2011 to April 2016 were analyzed...
June 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/28676826/subchronic-infection-of-porphyromonas-gingivalis-and-tannerella-forsythia-stimulates-an-immune-response-but-not-arthritis-in-experimental-murine-model
#20
Jorday Hernández-Aguas, José Luis Montiel-Hernández, Myriam A De La Garza-Ramos, Rosa Velia Ruiz-Ramos, Erandi Escamilla García, Mario Alberto Guzmán-García, Esperanza Raquel Ayón-Haro, Mario Alberto Garza-Elizondo
Studies have proposed that Porphyromonas gingivalis (Pg) and Tannerella forsythia (Tf) promote a nonspecific inflammatory response that could produce systemic disease. Oral inoculation of Pg and Tf on the immune and arthritis response was evaluated in BALB/C mice divided into four groups: (1) sham; (2) food contaminated with Pg/Tf; (3) complete Freund's adjuvant (CFA) + Pg/Tf; and (4) CFA alone. CFA was administered subcutaneously on days 1 and 14. The arthritis response was monitored for 21 days after day 14 of CFA administration...
2017: International Journal of Dentistry
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