Some histopathological and clinical correlations in oral squamous cell carcinoma

Oral squamous cell carcinoma (SCC) is an important health problem that causes high mortality and morbidity. Correlations between some clinical and histopathological parameters were studied in 37 oral SCC. Some interesting aspects in oral SCC arising from precancerous lesions were found such as smaller size and a lower TNM stage at the moment of diagnosis. Histological and clinical differences were also found between tumors invading deep tissues by little groups of dissociated malignant cells and those invading by big masses of malignant cells. The possible significance of the intensity of peritumoral eosinophilic infiltrate was also studied.Le carcinome squameux de la cavité orale constitue un problème important de santé, qui est responsable d’une mortalité et d’une morbidité élevées. Nous avons étudié 37 carcinomes squameux de la cavité orale à travers un suivi clinique et une étude des corrélations entre les variables cliniques et histopathologiques. Nous avons relevé différents aspects intéressants en ce qui concerne les carcinomes squameux de la cavité orale qui procédaient de lésions précancéreuses comme leur petite dimention et le bas stade TNM au moment du diagnostic. Nous avons également trouvé des différences cliniques et histopathologiques entre les tumeurs qui envahissent les tissus adjecents en petits groupes et ceux qui le font en grandes masses de cellules malignes. Finalement, nous avons étudié la signification possible de l’intensité de l’infiltrat à eosinophiles peritumoral

Servidor de datos y página web para el aprendizaje de SIG en la ingeniería forestal

Los Sistemas de Información geográfica (SIG) son una herramienta de trabajo habitual en el ámbito de la ingeniería forestal, tanto en la faceta de redacción de proyectos, como en la investigación sobre el medio ambiente y el territorio. Cada vez hay más información cartográfica disponible desde servidores de diferentes instituciones, por lo que consideramos que es muy útil contar con una herramienta de organización de la información. En el trabajo que se presenta, se pretende proporcionar a los estudiantes e investigadores en materia forestal un portal que contenga información actualizada y ordenada sobre los recursos existentes compatibles con los SIG. Por tanto constituiráuna herramienta de apoyo que facilitarála fase de documentación, búsqueda de datos compatibles y aprendizaje de las herramientas que sirven de base para el desarrollo de cualquier trabajo técnico o de investigación relacionado con el medio ambiente y el territorio que se apoye en los SIG

Reconstructing the Snow Avalanche of Coll de Pal 2018 (SE Pyrenees).

Developments in mountain areas prone to natural hazards produce undesired impacts and damages. Thus, disaster assessment is mandatory to understand the physics of dangerous events and to make decisions to prevent hazardous situations. This work focusses on the practical implementation of methods and tools to assess a snow avalanche that affected a road at the Coll de Pal in 2018 (SE Pyrenees). This is a quite common situation in mountain roads and the assessment has to focus specially in the avalanche-road interaction, on the return periods considered and on the dynamics of the phenomena. This assessment presents the field recognition, snow and weather characterization and numerical modelling of the avalanche. Field campaigns revealed evidences of the avalanche triggering, runout trajectory and general behavior. An unstable situation of the snowpack due to a relatively large snowfall fallen some days before over a previous snowpack with weak layers, caused the avalanche triggering when an additional load was added by a strong wind-drift episode. A medium size (<2500 m3) soft slab avalanche, corresponding to a return period of 15-20 years, occurred and crossed the road of the Coll de Pal pass. The event was reproduced numerically by means of the 2D-SWE based numerical tool Iber aiming to analyze the avalanche behavior. Results of the simulation corresponded with the observations (runout trajectory and snow deposit); thus, relevant information about the avalanche dynamics could be obtained. Identified differences probably come from the terrain elevation data, which represent 'snow free' topography and do not consider the snowpack on the terrai

Short-term effects of impurities in the CO2 stream injected into fractured carbonates.

After the Paris Agreement in which 195 countries are involved, the Carbon Capture and Storage (CCS) is now an accepted technology in the United Nations Framework Convention on Climate Change (UNFCCC). In Spain, Fundación Ciudad de la Energía (CIUDEN) has successfully completed the full CCS chain, being CO2 captured in the Technology Development Centre in Cubillos del Sil (León, Spain) whereas that it is geologically stored in a deep saline aquifer, formed by fractured carbonates with poor matrix porosity, located in the Technology Development Plant (TDP) at Hontomín (Burgos, Spain). The results of the field tests, in which up to 150 tons of CO2 and synthetic air (5 %v of N2 and O2) were co-injected on site, are analyzed in this paper comparing the operational parameters gained during the injection of impure CO2 (pressures, temperatures and flow ranges) with its corresponding baseline previously determined (i.e. 1,500 tons of pure CO2 were injected during the reservoir hydraulic characterization). Besides that, the geochemical reactivity analysis of impure CO2 injected in this saline aquifer and its correlation with the results from laboratory tests were assessed. As main conclusions from laboratory scale results, a porosity diminution was measured after the injection of CO2 with 5 %v of SO2; apart from that, without SO2, the effluent pH was in the range of 7-8 whereas in case of CO2 and SO2, a pH of 1-2 was obtained. Otherwise and focused on field scale tests, a density decrease was detected comparing the base case (pure CO2) with the CO2 injection containing 5.1 %v of synthetic air. On the other hand, Ca2+, SO42-, Mg2+ and K+ migration effects in the rock were also detected and analyzed

The effect of strontium incorporation into sol-gel biomaterials on their protein adsorption and cell interactions

[EN] It is known strontium can both inhibit the osteoclast formation and stimulate the osteoblast maturation, so biomaterials containing this element can favour bone structure stabilisation. The addition of Sr to biomaterials could affect their interactions with proteins and cells. Here, a silica-hybrid sol-gel network doped with different amounts of SrCl2 and applied as coatings on titanium discs was examined. in vitro analysis was performed to determine the potential effect of Sr in the coatings, showing enhanced gene expression of osteogenic markers (alkaline phosphatase and transforming growth factor-beta) in MC3T3-E1 incubated with Sr-doped biomaterials. The examination of inflammatory markers (tumour necrosis factor-alpha and interleukin 10) in RAW 264.7 macrophages revealed an anti-inflammatory potential of these materials. Proteins adsorbed onto the coatings incubated with human serum (3 h at 37 degrees C) were also analysed; mass spectrometry was used to characterise the proteins adhering to materials with different Sr content. Adding Sr to the coatings increased their affinity to APOE and VTNC proteins (associated with anti-inflammatory and osteogenic functions). Moreover, the proteins involved in coagulation processes, such as prothrombin, were more abundant on the coatings containing Sr than on the base sol-gel surfaces. Correlations between gene expression and proteomic results were also examined.This work was supported by MINECO (MAT2017-86043-R); Universitat Jaume I (grant numbers Predoc/2014/25, UJI-B2017-37); Basque Government (grant numbers IT611-13, Predoc/2016/1/0141), and University of the Basque Country (UFI11/56). Authors would like to thank Antonio Coso and Jaime Franco (GMI-Ilerimplant) for their inestimable contribution to this study, and Raquel Oliver, Jose Ortega (UJI), and Iraide Escobes (CIC bioGUNE) for their valuable technical assistance.Romero-Gavilán, F.; Araújo-Gomes, N.; García-Arnáez, I.; Martínez-Ramos, C.; Elortza, F.; Azkargorta, M.; Iloro, I.... (2019). The effect of strontium incorporation into sol-gel biomaterials on their protein adsorption and cell interactions. Colloids and Surfaces B Biointerfaces. 174:9-16. https://doi.org/10.1016/j.colsurfb.2018.10.075S91617

Cost-utility model of brivaracetam in the adjunctive treatment of patients with epilepsy in Spain

[EN] Objective This study aims to assess the cost utility of Brivaracetam compared with the third-generation anti-epileptic drugs used as standard care. Methods A cost utility analysis of Brivaracetam was carried out with other third-generation comparators. The treatment pathway of a hypothetical cohort over a period of 2 years was simulated using the Markov model. Data for effectiveness and the QALYs of each health status for epilepsy, as well as for the disutilities of adverse events of treatments, were analyzed through a studies review. The cost of the anti-epileptics and the use of medical resources linked to the different health statuses were taken into consideration. A probabilistic sensitivity analysis was performed using a Monte Carlo simulation. Results Brivaracetam was shown to be the dominant alternative, with Incremental Cost Utility Ratio (ICUR) values from -11,318 for Lacosamide to -128,482 for Zonisamide. The probabilistic sensitivity analysis validates these results. The ICUR sensitivity is greater for increases in the price of Brivaracetam than for decreases, and for Eslicarbizapine over the other adjunctives considered in the analysis. Conclusions Treatment with Brivaracetam resulted in cost effective and incremental quality adjusted life years come at an acceptable cost.Barrachina Martínez, I.; Vivas-Consuelo, D.; Reyes-Santias, F. (2020). Cost-utility model of brivaracetam in the adjunctive treatment of patients with epilepsy in Spain. Expert review of pharmacoeconomics & outcomes research (Online). 1-10. https://doi.org/10.1080/14737167.2021.1838899S110WHO | Epilepsy: aISBN public health imperative. ISBN 978-92-4-151593-1. World Health Organization. 2019. Printed in Thailand.Ngugi, A. K., Kariuki, S. M., Bottomley, C., Kleinschmidt, I., Sander, J. W., & Newton, C. R. (2011). Incidence of epilepsy: A systematic review and meta-analysis. Neurology, 77(10), 1005-1012. doi:10.1212/wnl.0b013e31822cfc90Henning, O., Landmark, C. J., Henning, D., Nakken, K. O., & Lossius, M. I. (2019). Challenges in epilepsy—The perspective of Norwegian epilepsy patients. Acta Neurologica Scandinavica, 140(1), 40-47. doi:10.1111/ane.13098Brodie, M. J. (2005). Diagnosing and predicting refractory epilepsy. Acta Neurologica Scandinavica, 112(s181), 36-39. doi:10.1111/j.1600-0404.2005.00507.xGarcía-Ramos, R., Pastor, A. G., Masjuan, J., Sánchez, C., & Gil, A. (2011). FEEN: Informe sociosantario FEEN sobre la epilepsia en España. Neurología, 26(9), 548-555. doi:10.1016/j.nrl.2011.04.002Kwan, P., & Brodie, M. J. (2000). Early Identification of Refractory Epilepsy. New England Journal of Medicine, 342(5), 314-319. doi:10.1056/nejm200002033420503Brodie, M. J. (2008). Epilepsy: randomised trials and genetic tribulations. The Lancet Neurology, 7(1), 7-8. doi:10.1016/s1474-4422(07)70301-0French, J. A. (2006). Refractory Epilepsy: One Size Does Not Fit All. Epilepsy Currents, 6(6), 177-180. doi:10.1111/j.1535-7511.2006.00137.xLaxer, K. D., Trinka, E., Hirsch, L. J., Cendes, F., Langfitt, J., Delanty, N., … Benbadis, S. R. (2014). The consequences of refractory epilepsy and its treatment. Epilepsy & Behavior, 37, 59-70. doi:10.1016/j.yebeh.2014.05.031Giordano, C., Marchiò, M., Timofeeva, E., & Biagini, G. (2014). Neuroactive Peptides as Putative Mediators of Antiepileptic Ketogenic Diets. Frontiers in Neurology, 5. doi:10.3389/fneur.2014.00063European Medicines Agency. Committee for Medicinal Products for Human Use (CHMP). Briviact brivaracetam. Assessment Report EMA/CHMP/822086/2015 Nov.Markham, A. (2016). Brivaracetam: First Global Approval. Drugs, 76(4), 517-522. doi:10.1007/s40265-016-0555-6Willems, L. M., Bauer, S., Rosenow, F., & Strzelczyk, A. (2019). Recent advances in the pharmacotherapy of epilepsy: brivaracetam and perampanel as broad-spectrum antiseizure drugs for the treatment of epilepsies and status epilepticus. Expert Opinion on Pharmacotherapy, 20(14), 1755-1765. doi:10.1080/14656566.2019.1637420Craig, D., Rice, S., Paton, F., Fox, D., & Woolacott, N. (2013). Retigabine for the Adjunctive Treatment of Adults with Partial-Onset Seizures in Epilepsy with and without Secondary Generalization. PharmacoEconomics, 31(2), 101-110. doi:10.1007/s40273-012-0018-1Charokopou, M., Harvey, R., Srivastava, K., Brandt, C., & Borghs, S. (2019). Relative performance of brivaracetam as adjunctive treatment of focal seizures in adults: a network meta-analysis. Current Medical Research and Opinion, 35(8), 1345-1354. doi:10.1080/03007995.2019.1584501Chhatwal J. Changing cycle lengths in state-transition models: doing it the right way; [cited 2018 Jan 23]. Available from: https://www.ispor.org/News/Connections_methodology_state-transition-models.PDFMulhern, B., Rowen, D., Snape, D., Jacoby, A., Marson, T., Hughes, D., … Brazier, J. (2014). Valuations of epilepsy-specific health states: a comparison of patients with epilepsy and the general population. Epilepsy & Behavior, 36, 12-17. doi:10.1016/j.yebeh.2014.04.011Kristian, B., Wachtmeister, K., Stefan, F., & Forsgren, L. (2013). Retigabine as add-on treatment of refractory epilepsy - a cost-utility study in a Swedish setting. Acta Neurologica Scandinavica, 127(6), 419-426. doi:10.1111/ane.12077Vera-Llonch, M., Brandenburg, N. A., & Oster, G. (2008). Cost-effectiveness of Add-on Therapy with Pregabalin in Patients with Refractory Partial Epilepsy. Epilepsia, 49(3), 431-437. doi:10.1111/j.1528-1167.2007.01279.xSimoens, S. (2010). Pharmacoeconomics of anti-epileptic drugs as adjunctive therapy for refractory epilepsy. Expert Review of Pharmacoeconomics & Outcomes Research, 10(3), 309-315. doi:10.1586/erp.10.18Wijnen, B. F. M., van Mastrigt, G. A. P. G., Evers, S. M. A. A., Gershuni, O., Lambrechts, D. A. J. E., Majoie, M. H. J. M., … de Kinderen, R. J. A. (2017). A systematic review of economic evaluations of treatments for patients with epilepsy. Epilepsia, 58(5), 706-726. doi:10.1111/epi.13655Boeck, J. D., Verpoorten, K., Luyten, K., & Coninx, K. (2007). A Comparison between Decision Trees and Markov Models to Support Proactive Interfaces. 18th International Conference on Database and Expert Systems Applications (DEXA 2007). doi:10.1109/dexa.2007.94Zhang, Y., Wu, H., Denton, B. T., Wilson, J. R., & Lobo, J. M. (2017). Probabilistic sensitivity analysis on Markov models with uncertain transition probabilities: an application in evaluating treatment decisions for type 2 diabetes. Health Care Management Science, 22(1), 34-52. doi:10.1007/s10729-017-9420-8Swallow, E., Fang, A., Signorovitch, J., Plumb, J., & Borghs, S. (2017). Can Matching-Adjusted Indirect Comparison Methods Mitigate Placebo Response Differences Among Patient Populations in Adjunctive Trials of Brivaracetam and Levetiracetam? CNS Drugs, 31(10), 899-910. doi:10.1007/s40263-017-0462-8Malyshkina NV, Mannering FL. Markov switching multinomial logit model: an application to accident injury severities; 2008 [cited 2019 Sep 25]. Available from: http://arxiv.org/abs/0811.3644Hawkins, N., Epstein, D., Drummond, M., Wilby, J., Kainth, A., Chadwick, D., & Sculpher, M. (2005). Assessing the Cost-Effectiveness of New Pharmaceuticals in Epilepsy in Adults: The Results of a Probabilistic Decision Model. Medical Decision Making, 25(5), 493-510. doi:10.1177/0272989x05280559Agencia Española del Medicamento. Utilización de medicamentos antiepilépticos en España durante el periodo 2008–2016 [Internet]; 2017 [cited 2019 Sep 25]. Available from: https://www.aemps.gob.es/medicamentosUsoHumano/observatorio/docs/antiepilepticos-periodo-2008-2016.pdfMegiddo, I., Colson, A., Chisholm, D., Dua, T., Nandi, A., & Laxminarayan, R. (2016). Health and economic benefits of public financing of epilepsy treatment in India: An agent‐based simulation model. Epilepsia, 57(3), 464-474. doi:10.1111/epi.13294De Andrés-Nogales, F., Oyagüez, I., Álvarez-Sala, L. A., García-Bragado, F., Navarro, A., González, P., … Soto, J. (2017). Análisis coste-efectividad y coste-utilidad de apixaban frente a dabigatrán y rivaroxaban en el tratamiento y prevención secundaria del tromboembolismo venoso. PharmacoEconomics Spanish Research Articles, 14(1), 7-18. doi:10.1007/s40277-016-0064-8Fricke-Galindo, I., Jung-Cook, H., LLerena, A., & López-López, M. (2018). Farmacogenética de reacciones adversas a fármacos antiepilépticos. Neurología, 33(3), 165-176. doi:10.1016/j.nrl.2015.03.005Steinhoff, B. J., Bacher, M., Bucurenciu, I., Hillenbrand, B., Intravooth, T., Kornmeier, R., … Staack, A. M. (2017). Real-life experience with brivaracetam in 101 patients with difficult-to-treat epilepsy—A monocenter survey. 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Oxygen reduction using a metal-free naphthalene diimide-based covalent organic framework electrocatalyst

A novel naphthalene diimide-based covalent organic framework (NDI-COF) has been synthesized and successfully exfoliated into COF nanosheets (CONs). Electrochemical measurements reveal that the naphthalene diimide units incorporated into NDI-CONs act as efficient electrocatalyst for oxygen reduction in alkaline media, showing its potential for the development of metal-free fuel cellsFinancial support from the Spanish Government (projects MAT2016-77608-C3-1-P, MAT2016-77608-C3-2-P, CTQ2017-84309-C2-1-R, MAT2017-85089-C2-1-R, FJCI-2017-33536 and RYC-2015-17730), the UCM (INV.GR.00.1819.10759) and the Madrid Regional Government (TRANSNANOAVANSENS-CM (S2018/NMT-4349)) is acknowledge

Proteomic analysis of calcium-enriched sol-gel biomaterials

[EN] Calcium is an element widely used in the development of biomaterials for bone tissue engineering as it plays important roles in bone metabolism and blood coagulation. The Ca ions can condition the microenvironment at the tissue-material interface, affecting the protein deposition process and cell responses. The aim of this study was to analyze the changes in the patterns of protein adsorption on the silica hybrid biomaterials supplemented with different amounts of CaCl2, which can function as release vehicles. This characterization was carried out by incubating the Ca-biomaterials with human serum. LC-MS/MS analysis was used to characterize the adsorbed protein layers and compile a list of proteins whose affinity for the surfaces might depend on the CaCl2 content. The attachment of pro- and anti-clotting proteins, such as THRB, ANT3, and PROC, increased significantly on the Ca-materials. Similarly, VTNC and APOE, proteins directly involved on osteogenic processes, attached preferentially to these surfaces. To assess correlations with the proteomic data, these formulations were tested in vitro regarding their osteogenic and inflammatory potential, employing MC3T3-E1 and RAW 264.7 cell lines, respectively. The results confirmed a Ca dose-dependent osteogenic and inflammatory behavior of the materials employed, in accordance with the protein attachment patterns.This work was supported by MINECO [MAT2017-86043-R]; Universitat Jaume I [Grant numbers Predoc/2014/25, UJI-B2017-37]; Basque Government [Grant numbers IT611-13, Predoc/2016/1/0141]; University of the Basque Country [Grant number UFI11/56]. CIC bioGUNE is supported by Basque Department of Industry, Tourism and Trade (Etortek and Elkartek programs), the Innovation Technology Department of the Bizkaia County; The ProteoRed-ISCIII (Grant PRB3 IPT17/0019); CIBERehd Network, and Severo Ochoa Grant (SEV-2016-0644). 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A comparison between biostimulation and bioaugmentation in a solid treatment of anaerobic sludge : drug contentent and microbial evaluation

Emerging pollutants can reach the environment through the sludge of Wastewater Treatment Plants. In this work, the use of Trametes versicolor in biopiles at lab-scale was studied, evaluating its capacity to remove the most hydrophobic Pharmaceuticals and assessing the evolution of the biopiles microbial communities. The total removal of drugs at real concentrations from sewage sludge was assessed for non-inoculated and fungal inoculated biopiles, testing if the re-inoculation of the biopiles after 22 days of treatment would improve the removal yields. It was found that 2 out of the 15 initially detected pharmaceuticals were totally degraded after 22 days, and re-inoculated fungal biopiles achieved higher removal rates than non-re-inoculated fungal biopiles for single compounds and for all the drugs simultaneously: 66.45% and 49.18% re-inoculated and non-re-inoculated biopiles, respectively. Finally, the study of the bacterial and fungal communities revealed that fungal inoculated and non-inoculated biopiles evolved to similar communities adapted to the presence of those drugs