Institution
Hospital General Universitario Gregorio Marañón
Healthcare•Madrid, Spain•
About: Hospital General Universitario Gregorio Marañón is a healthcare organization based out in Madrid, Spain. It is known for research contribution in the topics: Population & Transplantation. The organization has 11975 authors who have published 12386 publications receiving 244847 citations.
Topics: Population, Transplantation, Myocardial infarction, Intensive care, COPD
Papers published on a yearly basis
Papers
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TL;DR: The results show that the type of antibiotic selected has an important impact on cement properties, and groups with cefazolin showed much higher elution than those containing the same concentration of vancomycin.
Abstract: Use of antibiotic-loaded bone cements is one of the most effective methods for the prevention and treatment of prosthetic joint infection However, there is still controversy about the optimal combination and doses of antibiotics that provide the maximum antimicrobial effect without compromising cement properties In this study, vancomycin and cefazolin were added to a bone cement (Palacos R+G) Antibiotic release, fluid absorption, and mechanical properties were evaluated under physiological conditions The results show that the type of antibiotic selected has an important impact on cement properties In this study, groups with cefazolin showed much higher elution than those containing the same concentration of vancomycin In contrast, groups with cefazolin showed a lower strength than vancomycin groups
75 citations
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Public Health England1, Instituto Superior Técnico2, Autonomous University of Barcelona3, University of Ulm4, Armed Forces Radiobiology Research Institute5, Ghent University6, University of Seville7, Chalk River Laboratories8, Institut de radioprotection et de sûreté nucléaire9, Interactive Intelligence10, Turkish Atomic Energy Authority11, National University of Singapore12, Radiation and Nuclear Safety Authority13, Academy of Medical Sciences, United Kingdom14, Commissariat à l'énergie atomique et aux énergies alternatives15, Hospital General Universitario Gregorio Marañón16, National Institute of Radiological Sciences17, Health Canada18, Nuclear Energy Agency19, Stockholm University20
TL;DR: In case of a large-scale radiological incident, the pooling of ressources by networks can enhance the rapid classification of individuals in medically relevant treatment groups based on the DCA.
Abstract: Purpose: Two quality controlled inter-laboratory exercises were organized within the EU project ‘Realizing the European Network of Biodosimetry (RENEB)’ to further optimize the dicentric chromosome assay (DCA) and to identify needs for training and harmonization activities within the RENEB network.Materials and methods: The general study design included blood shipment, sample processing, analysis of chromosome aberrations and radiation dose assessment. After manual scoring of dicentric chromosomes in different cell numbers dose estimations and corresponding 95% confidence intervals were submitted by the participants.Results: The shipment of blood samples to the partners in the European Community (EU) were performed successfully. Outside the EU unacceptable delays occurred. The results of the dose estimation demonstrate a very successful classification of the blood samples in medically relevant groups. In comparison to the 1st exercise the 2nd intercomparison showed an improvement in the accuracy o...
75 citations
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TL;DR: The hypothesis that patients who meet the DSM-5 criteria have more severe symptoms, not only regarding the core autistic symptoms but also in relation with psychiatric comorbidities is supported.
75 citations
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TL;DR: This real-time PCR design is an adequate method for the specific and rapid detection of RIF and INH resistance in smear-positive clinical respiratory samples.
Abstract: Rapid detection of resistance in Mycobacterium tuberculosis can optimize the efficacy of antituberculous therapy and control the transmission of resistant M. tuberculosis strains. Real-time PCR has minimized the time required to obtain the susceptibility pattern of M. tuberculosis strains, but little effort has been made to adapt this rapid technique to the direct detection of resistance from clinical samples. In this study, we adapted and evaluated a real-time PCR design for direct detection of resistance mutations in clinical respiratory samples. The real-time PCR was evaluated with (i) 11 clinical respiratory samples harboring bacilli resistant to isoniazid (INH) and/or rifampin (RIF), (ii) 10 culture-negative sputa spiked with a set of strains encoding 14 different resistance mutations in 10 independent codons, and (iii) 16 sputa harboring susceptible strains. The results obtained with this real-time PCR design completely agreed with DNA sequencing data. In all sputa harboring resistant M. tuberculosis strains, the mutation encoding resistance was successfully detected. No mutation was detected in any of the susceptible sputa. The test was applied only to smear-positive specimens and succeeded in detecting a bacterial load equivalent to 10(3) CFU/ml in sputum samples (10 acid-fast bacilli/line). The analytical specificity of this method was proved with a set of 14 different non-M. tuberculosis bacteria. This real-time PCR design is an adequate method for the specific and rapid detection of RIF and INH resistance in smear-positive clinical respiratory samples.
75 citations
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TL;DR: It is demonstrated that TNF-α promotes FasL expression through NFAT activation in neuroblastoma cells and this event leads to increased apoptosis through independent caspase-3 activation.
Abstract: There is increasing evidence that soluble factors in inflammatory central nervous system diseases not only regulate the inflammatory process but also directly influence electrophysiological membrane properties of neurons and astrocytes. In this context, the cytokine TNF-α (tumor necrosis factor-α) has complex injury promoting, as well as protective, effects on neuronal viability. Up-regulated TNF-α expression has also been found in various neurodegenerative diseases such as cerebral malaria, AIDS dementia, Alzheimer's disease, multiple sclerosis, and stroke, suggesting a potential pathogenic role of TNF-α in these diseases as well. We used the neuroblastoma cells SK-N-MC. Transcriptional activity was measured using luciferase reporter gene assays by using lipofectin. We performed cotransfection experiments of NFAT (nuclear factor of activated T cells) promoter constructed with a dominant negative version of NFAT (dn-NFAT). Cell death was performed by MTT (3-(4,5-dimethylthiazol-2-yl)5,5-diphenyltetrazolium bromide) and TUNEL assays. NFAT translocation was confirmed by Western blot. Involvement of NFAT in cell death was assessed by using VIVIT. P53, Fas-L, caspase-3, and caspase-9 expressions were carried out by Western blot. The mechanisms involved in TNF-α-induced cell death were assessed by using microarray analysis. TNF-α causes neuronal cell death in the absence of glia. TNF-α treatment results in nuclear translocation of NFAT through activation of calcineurin in a Ca2+ independent manner. We demonstrated the involvement of FasL/Fas, cytochrome c, and caspase-9 but the lack of caspase-3 activation. NB cell death was absolutely reverted in the presence of VIVIT, and partially diminished by anti-Fas treatment. These data demonstrate that TNF-α promotes FasL expression through NFAT activation in neuroblastoma cells and this event leads to increased apoptosis through independent caspase-3 activation.
75 citations
Authors
Showing all 12014 results
Name | H-index | Papers | Citations |
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David H. Adams | 155 | 1613 | 117783 |
Stefanie Dimmeler | 147 | 574 | 81658 |
Stuart J. Pocock | 145 | 684 | 143547 |
M. I. Martínez | 134 | 1251 | 79885 |
Guy A. Rouleau | 129 | 884 | 65892 |
Jose L. Jimenez | 124 | 654 | 64226 |
Antoni Torres | 120 | 1238 | 65049 |
Paul P. Tak | 112 | 591 | 57689 |
Luis A. Diaz | 111 | 596 | 75036 |
Frans Van de Werf | 109 | 747 | 63537 |
José Luis Zamorano | 105 | 695 | 133396 |
Francisco Sánchez-Madrid | 102 | 527 | 43418 |
Francesco Locatelli | 99 | 820 | 42454 |
Roberto M. Lang | 96 | 823 | 56638 |
Carlos Simón | 95 | 589 | 31147 |