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D Gutiérrez-Fernández, A Moreno-Ancillo, A Foncubierta-Fernández, F Medina-Varo, J A Andrés-García, M J Fernández-Anguita
No abstract text is available yet for this article.
October 2016: Journal of Investigational Allergology & Clinical Immunology
Rocío López-Posadas, Cristina Mascaraque, Raquel González, María D Suárez, Antonio Zarzuelo, Olga Martínez-Augustin, Fermín Sánchez de Medina
BACKGROUND: Statins have antiinflammatory effects at the cardiovascular level because of inhibition of prenylation, which also probably underlies their therapeutic effects in preclinical models of inflammatory bowel disease. Another inhibitor of prenylation, namely alendronate, reduces colitis in rodents. In this study, we aim to explore the therapeutic potential of second-generation, nitrogen-containing bisphosphonates in 3 preclinical models of colitis. METHODS: The trinitrobenzenesulfonic acid and dextran sulfate sodium models of rat colitis and the adoptive lymphocyte transfer model of colitis in mice were used...
November 2016: Inflammatory Bowel Diseases
Tristan da Câmara Santa Clara Gomes, Joaquín De La Torre Medina, Matthieu Lemaitre, Luc Piraux
Track-etched polymer membranes with crossed nanochannels have been revealed to be most suitable as templates to produce large surface area and mechanically stable 3D interconnected nanowire (NW) networks by electrodeposition. Geometrically controlled NW superstructures made of NiCo ferromagnetic alloys exhibit appealing magnetoresistive properties. The combination of exact alloy compositions with the spatial arrangement of NWs in the 3D network is decisive to obtain specific magnetic and magneto-transport behavior...
December 2016: Nanoscale Research Letters
Marina Ávila-Villanueva, Ana Rebollo-Vázquez, José M Ruiz-Sánchez de León, Meritxell Valentí, Miguel Medina, Miguel A Fernández-Blázquez
Introduction: Subjective memory complaints (SMC) in the elderly have been suggested as an early sign of dementia. This study aims at investigating whether specific cognitive complaints are more useful than others to discriminate Mild Cognitive Impairment (MCI) by examining the dimensional structure of the Everyday Memory Questionnaire (EMQ). Materials and Methods: A sample of community-dwelling elderly individuals was recruited (766 controls and 78 MCI). The EMQ was administered to measure self-perception of cognitive complaints...
2016: Frontiers in Aging Neuroscience
Carlo Barnaba, Maria Teresa Rodríguez-Estrada, Giovanni Lercker, Hugo Sergio García, Ilce Gabriela Medina-Meza
In this work we studied the effect of polyunsaturated fatty acids (PUFAs) methyl esters on cholesterol photo-induced oxidation. The oxidative routes were modeled with a chemical reaction network (CRN), which represents the first application of CRN to the oxidative degradation of a food-related lipid matrix. Docosahexaenoic acid (DHA, T-I), eicosapentaenoic acid (EPA, T-II) and a mixture of both (T-III) were added to cholesterol using hematoporphyrin as sensitizer, and were exposed to a fluorescent lamp for 48h...
October 15, 2016: Steroids
Alejandra Itzel González-Ramírez, Adrián Ramírez-Granillo, María Gabriela Medina-Canales, Aída Verónica Rodríguez-Tovar, María Angeles Martínez-Rivera
BACKGROUND: Biofilms are a highly structured consortia of microorganisms that adhere to a substrate and are encased within an extracellular matrix (ECM) that is produced by the organisms themselves. Aspergillus fumigatus is a biotechnological fungus that has a medical and phytopathogenic significance, and its biofilm occurs in both natural and artificial environments; therefore, studies on the stages observed in biofilm formation are of great significance due to the limited knowledge that exists on this specific topic and because there are multiple applications that are being carried out...
October 18, 2016: BMC Microbiology
Carlos A Medina, Angelica G Ortiz, Nidhi Relhan, William E Smiddy, Justin H Townsend, Harry W Flynn
PURPOSE: To report the clinical features, possible associations and treatment outcomes of patients with macular hole after pars plana vitrectomy (PPV) (single or multiple) for rhegmatogenous retinal detachment (RD). METHODS: Retrospective consecutive case series from July 2009 to July 2014. RESULTS: In the 15 study patients, the average time from RD surgery to macular hole diagnosis was 119 days (range: 41-398 months). Possible associations include epiretinal membrane (73%, 11/15 patients), macula-off RD (60%, 9/15 patients), recurrent RD (47%, 7/15 patients), and high myopia (56%, 5/9 patients)...
October 11, 2016: Retina
Guillermina Natera Rey, Perla Sonia Medina Aguilar, Fransilvania Callejas Pérez, Jim Orford, Guillermo Salinas Escudero, Marcela Tiburcio Sainz
Objective Estimate the cost-effectiveness ratio of a five-step brief intervention aimed at reducing the stress and symptoms of depression caused by living with an alcohol abuser. Methods The cost-effectiveness analysis was carried out with a decision tree, based on symptoms of depression measured on the CES-D scale. The effectiveness of the brief intervention was evaluated by comparing a group of indigenous women who received the intervention (n = 43) with a similar group who did not (n = 30). The groups were evaluated before, immediately after, and 12 months after the intervention, in the state of Hidalgo (Mexico)...
February 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
Norma H Medina, Emilio Haro-Muñoz, Alessandra Cristina Pellini, Braulio C Machado, Denise H Russo, Maria do Carmo Timenetsky, Rita de Cássia C Carmona
Acute hemorrhagic conjunctivitis (AHC) infection is highly contagious and can lead to explosive epidemics. In early February 2011, the Center for Epidemiologic Surveillance of the State of São Paulo Health Secretariat (SES-SP) in Brazil received reports of conjunctivitis outbreaks from rural areas of the state that subsequently spread statewide. This report describes that AHC epidemic and its etiologic agent. Data from the Ministry of Health Information System for Notifiable Diseases (SinanNet) and the SES-SP epidemiologic surveillance system for conjunctivitis, developed to detect outbreaks, confirm the etiologic agent, and carry out control measures, were analyzed...
February 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
Albert C Aragonès, Ernesto Medina, Miriam Ferrer-Huerta, Nuria Gimeno, Meritxell Teixidó, Julio L Palma, Nongjian Tao, Jesus M Ugalde, Ernest Giralt, Ismael Díez-Pérez, Vladimiro Mujica
The electronic spin filtering capability of a single chiral helical peptide is measured. A ferromagnetic electrode source is employed to inject spin-polarized electrons in an asymmetric single-molecule junction bridging an α-helical peptide sequence of known chirality. The conductance comparison between both isomers allows the direct determination of the polarization power of an individual chiral molecule.
October 18, 2016: Small
C Martínez, A S Jorge, A Pereira, M Moreno, J Núñez, J Gayoso, J Gonzalez-Medina, N Revilla, A Sampol, E Domingo-Domenech, F de la Cruz, A Morales, M J Rodriguez-Salazar, S Valiente, E Pérez-Ceballos, J Pérez de Oteyza, R García-Sanz
Autologous hematopoietic cell transplantation (AHCT) is the standard of care for young patients with relapsed/refractory (R/R) Hodgkin's lymphoma (HL). However, there is limited experience of its efficacy and feasibility in older patients. The characteristics and outcomes of 121 patients aged ≥50 years (42 of them are ≥60 years old) with R/R HL who underwent AHCT were reviewed. After a median follow-up of 3.1 years, overall survival (OS) and progression-free survival (PFS) at 5 years were 64 and 55 %, respectively, with no differences between 50-59-year-old and ≥60-year-old patients...
October 18, 2016: Annals of Hematology
Christopher S Medina, Octavian Biris, Tomas L Falzone, Xiaowei Zhang, Amber J Zimmerman, Elaine L Bearer
Microtubule-based motors carry cargo back and forth between the synaptic region and the cell body. Defects in axonal transport result in peripheral neuropathies, some of which are caused by mutations in KIF5A, a gene encoding one of the heavy chain isoforms of conventional kinesin-1. Some mutations in KIF5A also cause severe central nervous system defects in humans. While transport dynamics in the peripheral nervous system have been well characterized experimentally, transport in the central nervous system is less experimentally accessible and until now not well described...
October 14, 2016: NeuroImage
Raquel Núñez-Ramos, Soledad Montoro, Marcello Bellusci, María Rosa Del Fresno-Valencia, Marta Germán-Díaz, Pedro Urruzuno, Enrique Medina, Javier Manzanares
PURPOSE: The aims of this study were to analyze the characteristics of patients with acute liver failure (ALF) in our center and evaluate the prognostic value of the Pediatric End-Stage Liver Disease (PELD) score calculated at admission. PATIENTS AND METHODS: A retrospective analysis of patients with ALF younger than 15 years between 2005 and 2013 was performed. Information collected included age, sex, etiology of ALF, laboratory tests, PELD score, stage of encephalopathy, and need for liver support devices such as MARS and/or liver transplant (LT) and survival...
September 30, 2016: Pediatric Emergency Care
Maria Vadalà, Julio Cesar Morales-Medina, Annamaria Vallelunga, Beniamino Palmieri, Carmen Laurino, Tommaso Iannitti
Cancer is one of the most common causes of death worldwide. Available treatments are associated with numerous side effects and only a low percentage of patients achieve complete remission. Therefore, there is a strong need for new therapeutic strategies. In this regard, pulsed electromagnetic field (PEMF) therapy presents several potential advantages including non-invasiveness, safety, lack of toxicity for non-cancerous cells, and the possibility of being combined with other available therapies. Indeed, PEMF stimulation has already been used in the context of various cancer types including skin, breast, prostate, hepatocellular, lung, ovarian, pancreatic, bladder, thyroid, and colon cancer in vitro and in vivo...
October 17, 2016: Cancer Medicine
Carlos Wong-Baeza, Albany Reséndiz-Mora, Luis Donis-Maturano, Isabel Wong-Baeza, Luz Zárate-Neira, Juan Carlos Yam-Puc, Juana Calderón-Amador, Yolanda Medina, Carlos Wong, Isabel Baeza, Leopoldo Flores-Romo
Anti-lipid IgG antibodies are produced in some mycobacterial infections and in certain autoimmune diseases [such as anti-phospholipid syndrome, systemic lupus erythematosus (SLE)]. However, few studies have addressed the B cell responses underlying the production of these immunoglobulins. Anti-lipid IgG antibodies are consistently found in a murine model resembling human lupus induced by chlorpromazine-stabilized non-bilayer phospholipid arrangements (NPA). NPA are transitory lipid associations found in the membranes of most cells; when NPA are stabilized they can become immunogenic and induce specific IgG antibodies, which appear to be involved in the development of the mouse model of lupus...
2016: Frontiers in Immunology
Behrooz Behbod, Paolo Lauriola, Giovanni Leonardi, Helen Crabbe, Rebecca Close, Brigit Staatsen, Lisbeth E Knudsen, Kees de Hoogh, Sylvia Medina, Jan C Semenza, Tony Fletcher
No abstract text is available yet for this article.
October 15, 2016: European Journal of Public Health
Karinne Saucedo-Vence, Armando Elizalde-Velázquez, Octavio Dublán-García, Marcela Galar-Martínez, Hariz Islas-Flores, Nely SanJuan-Reyes, Sandra García-Medina, María Dolores Hernández-Navarro, Leobardo Manuel Gómez-Oliván
Sucralose (SUC) is an artificial sweetener that is now widely used in North American and Europe; it has been detected in a wide variety of aquatic environments. It is considered safe for human consumption but its effects in the ecosystem have not yet been studied in depth, since limited ecotoxicological data are available in the peer-reviewed literature. This study aimed to evaluate potential SUC-induced toxicological hazard in the blood, brain, gill, liver and muscle of Cyprinus carpio using oxidative stress biomarkers...
October 13, 2016: Science of the Total Environment
Fayna Diaz-San Segundo, Nestor A Montiel, Diego F Sturza, Eva Perez-Martin, Danielle Hickman, Elizabeth Ramirez-Medina, Marvin J Grubman, Teresa de Los Santos
Foot-and-mouth-disease (FMD) remains the most infectious livestock disease worldwide. Although commercially available inactivated or adenovirus-vectored-vaccines (Ad5-FMD) are effective, they require 5-7 days to induce protection. Therefore, new control strategies that stimulate rapid immune responses are needed. Expression of bovine interferon λ3 using the Ad5-vector platform (Ad5-boIFNλ3) is able to delay disease in cattle, but clinical signs appear at 9 days after challenge. We hypothesized that combination of Ad5-boIFNλ3 and Ad5-FMD could induce immediate and lasting protection against FMD...
October 12, 2016: Virology
Pernille Bejer Nordentoft, Thomas Engell-Sørensen, Sanne Jespersen, Faustino Gomes Correia, Candida Medina, David da Silva Té, Lars Østergaard, Alex Lund Laursen, Christian Wejse, Bo Langhoff Hønge
PURPOSE: The objective of this study was to ascertain vital status of patients considered lost to follow-up at an HIV clinic in Guinea-Bissau, and describe reasons for loss to follow-up (LTFU). METHODS: This study was a cross-sectional sample of a prospective cohort, carried out between May 15, 2013, and January 31, 2014. Patients lost to follow-up, who lived within the area of the Bandim Health Project, a demographic surveillance site (DSS), were eligible for inclusion...
October 14, 2016: Infection
Débora Villaño, Cristina Vilaplana, Sonia Medina, Francisco Algaba-Chueca, Roberto Cejuela-Anta, Jose Miguel Martínez-Sanz, Federico Ferreres, Angel Gil-Izquierdo
The effects of polyphenol-rich foods on the iron status of athletes, as well as the effect of physical training on the hormone hepcidin, implicated in iron metabolism, are not clear. We investigated the influence on iron metabolism of a long-term training intervention of 120 days, measuring the hepcidin concentration in the plasma of 16 elite triathletes, and the effect of the ingestion of 200 mL of either aronia-citrus juice or a placebo drink for 45 days, in a crossover design. The highest plasma hepcidin concentrations were observed at the beginning of the study (116 ± 63 nM) and levels steadily decreased until the end of the intervention (final value 10 ± 7...
October 8, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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