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Pedrera M, Soler A, Simón A, Casado N, Pérez C, García-Casado MA, Fernández-Pacheco P, Sánchez-Cordón PJ, Arias M, Gallardo C. Characterization of the Protective Cellular Immune Response in Pigs Immunized Intradermally with the Live Attenuated African Swine Fever Virus (ASFV) Lv17/WB/Rie1. Vaccines (Basel) 2024; 12:443. [PMID: 38675825 PMCID: PMC11054368 DOI: 10.3390/vaccines12040443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/11/2024] [Accepted: 04/19/2024] [Indexed: 04/28/2024] Open
Abstract
Candidate vaccines against African swine fever virus (ASFV) based on naturally attenuated or genetically modified viruses have the potential to generate protective immune responses, although there is no consensus on what defines a protective immune response against ASFV. Studies, especially in sensitive host species and focused on unravelling protective mechanisms, will contribute to the development of safer and more effective vaccines. The present study provides a detailed analysis of phenotypic and functional data on cellular responses induced by intradermal immunization and subsequent boosting of domestic pigs with the naturally attenuated field strain Lv17/WB/Rie1, as well as the mechanisms underlying protection against intramuscular challenge with the virulent genotype II Armenia/07 strain. The transient increase in IL-8 and IL-10 in serum observed after immunization might be correlated with survival. Protection was also associated with a robust ASFV-specific polyfunctional memory T-cell response, where CD4CD8 and CD8 T cells were identified as the main cellular sources of virus-specific IFNγ and TNFα. In parallel with the cytokine response, these T-cell subsets also showed specific cytotoxic activity as evidenced by the increased expression of the CD107a degranulation marker. Along with virus-specific multifunctional CD4CD8 and CD8 T-cell responses, the increased levels of antigen experienced in cytotoxic CD4 T cells observed after the challenge in immunized pigs might also contribute to controlling virulent infection by killing mechanisms targeting infected antigen-presenting cells. Future studies should elucidate whether the memory T-cell responses evidenced in the present study persist and provide long-term protection against further ASFV infections.
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Affiliation(s)
- Miriam Pedrera
- Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - Alejandro Soler
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - Alicia Simón
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - Nadia Casado
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - Covadonga Pérez
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - María A. García-Casado
- Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - Paloma Fernández-Pacheco
- Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - Pedro J. Sánchez-Cordón
- Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - Marisa Arias
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
| | - Carmina Gallardo
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal (CISA), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Valdeolmos, 28130 Madrid, Spain
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Collazo A, Figueroa R, Mariño-Martínez C, Nóvoa X, Pérez C. Electrochemical characterization of a Fe-based shape memory alloy in an alkaline medium and the behaviour in aggressive conditions. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Alcazar M, Escribano J, Ferré N, Closa-Monasterolo R, Selma-Royo M, Feliu A, Castillejo G, Luque V, Closa-Monasterolo R, Escribano J, Luque V, Feliu-Rovira A, Ferré N, Muñoz-Hernando J, Gutiérrez-Marín D, Zaragoza-Jordana M, Gispert-Llauradó M, Rubio-Torrents M, Núñez-Roig M, Alcázar M, Sentís S, Esteve M, Monné-Gelonch R, Basora J, Flores G, Hsu P, Rey-Reñones C, Alegret C, Guillen N, Alegret-Basora C, Ferre R, Arasa F, Alejos A, Diéguez M, Serrano M, Mallafré M, González-Hidalgo R, Braviz L, Resa A, Palacios M, Sabaté A, Simón L, Losilla A, De La Torre S, Rosell L, Adell N, Pérez C, Tudela-Valls C, Caro-Garduño R, Salvadó O, Pedraza A, Conchillo J, Morillo S, Garcia S, Mur E, Paixà S, Tolós S, Martín R, Aguado F, Cabedo J, Quezada L, Domingo M, Ortega M, Garcia R, Romero O, Pérez M, Fernández M, Villalobos M, Ricomà G, Capell E, Bosch M, Donado A, Sanchis F, Boix A, Goñi X, Castilla E, Pinedo M, Supersaxco L, Ferré M, Contreras J, Sanz-Manrique N, Lara A, Rodríguez M, Pineda T, Segura S, Vidal S, Salvat M, Mimbrero G, Albareda A, Guardia J, Gil S, Lopez M, Ruiz-Escusol S, Gallardo S, Machado P, Bocanegra R, Espejo T, Vendrell M, Solé C, Urbano R, Vázquez M, Fernández-Antuña L, Barrio M, Baudoin A, González N, Olivé R, Lara R, Dinu C, Vidal C, González S, Ruiz-Morcillo E, Ainsa M, Vilalta P, Aranda B, Boada A, Balcells E. Gut microbiota is associated with metabolic health in children with obesity. Clin Nutr 2022; 41:1680-1688. [DOI: 10.1016/j.clnu.2022.06.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/16/2022] [Accepted: 06/04/2022] [Indexed: 11/03/2022]
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Ubels S, Verstegen M, Klarenbeek B, Bouwense S, van Berge Henegouwen M, Daams F, van Det MJ, Griffiths EA, Haveman JW, Heisterkamp J, Koshy R, Nieuwenhuijzen G, Polat F, Siersema PD, Singh P, Wijnhoven B, Hannink G, van Workum F, Rosman C, Matthée E, Slootmans CAM, Ultee G, Schouten J, Gisbertz SS, Eshuis WJ, Kalff MC, Feenstra ML, van der Peet DL, Stam WT, van Etten B, Poelmann F, Vuurberg N, van den Berg JW, Martijnse IS, Matthijsen RM, Luyer M, Curvers W, Nieuwenhuijzen T, Taselaar AE, Kouwenhoven EA, Lubbers M, Sosef M, Lecot F, Geraedts TCM, van Esser S, Dekker JWT, van den Wildenberg F, Kelder W, Lubbers M, Baas PC, de Haas JWA, Hartgrink HH, Bahadoer RR, van Sandick JW, Hartemink KJ, Veenhof X, Stockmann H, Gorgec B, Weeder P, Wiezer MJ, Genders CMS, Belt E, Blomberg B, van Duijvendijk P, Claassen L, Reetz D, Steenvoorde P, Mastboom W, Klein Ganseij HJ, van Dalsen AD, Joldersma A, Zwakman M, Groenendijk RPR, Montazeri M, Mercer S, Knight B, van Boxel G, McGregor RJ, Skipworth RJE, Frattini C, Bradley A, Nilsson M, Hayami M, Huang B, Bundred J, Evans R, Grimminger PP, van der Sluis PC, Eren U, Saunders J, Theophilidou E, Khanzada Z, Elliott JA, Ponten J, King S, Reynolds JV, Sgromo B, Akbari K, Shalaby S, Gutschow CA, Schmidt H, Vetter D, Moorthy K, Ibrahim MAH, Christodoulidis G, Räsänen JV, Kauppi J, Söderström H, Manatakis DK, Korkolis DP, Balalis D, Rompu A, Alkhaffaf B, Alasmar M, Arebi M, Piessen G, Nuytens F, Degisors S, Ahmed A, Boddy A, Gandhi S, Fashina O, Van Daele E, Pattyn P, Robb WB, Arumugasamy M, Al Azzawi M, Whooley J, Colak E, Aybar E, Sari AC, Uyanik MS, Ciftci AB, Sayyed R, Ayub B, Murtaza G, Saeed A, Ramesh P, Charalabopoulos A, Liakakos T, Schizas D, Baili E, Kapelouzou A, Valmasoni M, Pierobon ES, Capovilla G, Merigliano S, Silviu C, Rodica B, Florin A, Cristian Gelu R, Petre H, Guevara Castro R, Salcedo AF, Negoi I, Negoita VM, Ciubotaru C, Stoica B, Hostiuc S, Colucci N, Mönig SP, Wassmer CH, Meyer J, Takeda FR, Aissar Sallum RA, Ribeiro U, Cecconello I, Toledo E, Trugeda MS, Fernández MJ, Gil C, Castanedo S, Isik A, Kurnaz E, Videira JF, Peyroteo M, Canotilho R, Weindelmayer J, Giacopuzzi S, De Pasqual CA, Bruna M, Mingol F, Vaque J, Pérez C, Phillips AW, Chmelo J, Brown J, Han LE, Gossage JA, Davies AR, Baker CR, Kelly M, Saad M, Bernardi D, Bonavina L, Asti E, Riva C, Scaramuzzo R, Elhadi M, Abdelkarem Ahmed H, Elhadi A, Elnagar FA, Msherghi AAA, Wills V, Campbell C, Perez Cerdeira M, Whiting S, Merrett N, Das A, Apostolou C, Lorenzo A, Sousa F, Adelino Barbosa J, Devezas V, Barbosa E, Fernandes C, Smith G, Li EY, Bhimani N, Chan P, Kotecha K, Hii MW, Ward SM, Johnson M, Read M, Chong L, Hollands MJ, Allaway M, Richardson A, Johnston E, Chen AZL, Kanhere H, Prasad S, McQuillan P, Surman T, Trochsler MI, Schofield WA, Ahmed SK, Reid JL, Harris MC, Gananadha S, Farrant J, Rodrigues N, Fergusson J, Hindmarsh A, Afzal Z, Safranek P, Sujendran V, Rooney S, Loureiro C, Leturio Fernández S, Díez del Val I, Jaunoo S, Kennedy L, Hussain A, Theodorou D, Triantafyllou T, Theodoropoulos C, Palyvou T, Elhadi M, Abdullah Ben Taher F, Ekheel M, Msherghi AAA. Severity of oEsophageal Anastomotic Leak in patients after oesophagectomy: the SEAL score. Br J Surg 2022. [DOI: https://doi.org/10.1093/bjs/znac226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Abstract
Background
Anastomotic leak (AL) is a common but severe complication after oesophagectomy. It is unknown how to determine the severity of AL objectively at diagnosis. Determining leak severity may guide treatment decisions and improve future research. This study aimed to identify leak-related prognostic factors for mortality, and to develop a Severity of oEsophageal Anastomotic Leak (SEAL) score.
Methods
This international, retrospective cohort study in 71 centres worldwide included patients with AL after oesophagectomy between 2011 and 2019. The primary endpoint was 90-day mortality. Leak-related prognostic factors were identified after adjusting for confounders and were included in multivariable logistic regression to develop the SEAL score. Four classes of leak severity (mild, moderate, severe, and critical) were defined based on the risk of 90-day mortality, and the score was validated internally.
Results
Some 1509 patients with AL were included and the 90-day mortality rate was 11.7 per cent. Twelve leak-related prognostic factors were included in the SEAL score. The score showed good calibration and discrimination (c-index 0.77, 95 per cent c.i. 0.73 to 0.81). Higher classes of leak severity graded by the SEAL score were associated with a significant increase in duration of ICU stay, healing time, Comprehensive Complication Index score, and Esophagectomy Complications Consensus Group classification.
Conclusion
The SEAL score grades leak severity into four classes by combining 12 leak-related predictors and can be used to the assess severity of AL after oesophagectomy.
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Affiliation(s)
- Sander Ubels
- Department of Surgery, Radboud Institute for Health Sciences, Radboud University Medical Centre , Nijmegen , the Netherlands
| | - Moniek Verstegen
- Department of Surgery, Radboud Institute for Health Sciences, Radboud University Medical Centre , Nijmegen , the Netherlands
| | - Bastiaan Klarenbeek
- Department of Surgery, Radboud Institute for Health Sciences, Radboud University Medical Centre , Nijmegen , the Netherlands
| | - Stefan Bouwense
- Department of Surgery, Maastricht University Medical Centre+ , Maastricht , the Netherlands
| | - Mark van Berge Henegouwen
- Department of Surgery, Amsterdam UMC, Cancer Centre Amsterdam, University of Amsterdam , Amsterdam , the Netherlands
| | - Freek Daams
- Department of Surgery, Amsterdam UMC, Cancer Centre Amsterdam, University of Amsterdam , Amsterdam , the Netherlands
| | - Marc J van Det
- Department of Surgery, ZGT hospital group , Almelo , the Netherlands
| | - Ewen A Griffiths
- Department of Upper Gastrointestinal Surgery, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital Birmingham , Birmingham , UK
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham , Birmingham , UK
| | - Jan W Haveman
- Department of Surgery, University Medical Centre Groningen, University of Groningen , Groningen , the Netherlands
| | - Joos Heisterkamp
- Department of Surgery, Elisabeth-TweeSteden Hospital , Tilburg , the Netherlands
| | - Renol Koshy
- Department of Surgery, Newcastle upon Tyne Hospital NHS Trust , Newcastle upon Tyne , UK
- Department of Surgery, University Hospitals of Coventry and Warwickshire NHS Trust , Coventry , UK
| | | | - Fatih Polat
- Department of Surgery, Canisius-Wilhelmina Hospital , Nijmegen , the Netherlands
| | - Peter D Siersema
- Department of Gastroenterology and Hepatology, Radboud Institute for Health Sciences, Radboud University Medical Centre , Nijmegen , The Netherlands
| | - Pritam Singh
- Department of Surgery, Nottingham University Hospitals NHS Trust , Nottingham , UK
- Department of Surgery, Regional Oesophago-Gastric Unit, Royal Surrey County Hospital , Guildford , UK
| | - Bas Wijnhoven
- Department of Surgery, Erasmus University Medical Centre , Rotterdam , the Netherlands
| | - Gerjon Hannink
- Department of Operating Rooms, Radboud Institute for Health Sciences, Radboud University Medical Centre , Nijmegen , The Netherlands
| | - Frans van Workum
- Department of Surgery, Radboud Institute for Health Sciences, Radboud University Medical Centre , Nijmegen , the Netherlands
- Department of Surgery, Canisius-Wilhelmina Hospital , Nijmegen , the Netherlands
| | - Camiel Rosman
- Department of Surgery, Radboud Institute for Health Sciences, Radboud University Medical Centre , Nijmegen , the Netherlands
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Carrión Barberà I, Triginer L, Tío L, Pérez C, Polino L, Llorente Onaindia J, Ribes A, Beltrán E, Pros A, Ciria Recasens M, Monfort J, Salman Monte TC. AB0498 CONCENTRATIONS OF ADVANCED GLYCATION END PRODUCTS (AGEs) CORRELATE WITH INDEXES OF ACTIVITY AND DAMAGE ACCRUAL IN PATIENTS WITH SYSTEMIC LUPUS ERYTHEMATOSUS (SLE). Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.2360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundIt has been postulated that AGES could have a relevant role as inducers in the chronic inflammatory pathway present in various diseases1; among them, in immune-mediated diseases such as SLE, as well as that its concentration could be related to some parameters of the disease such as activity 2 or accumulated damage 3, showing studies discrepant results to date.ObjectivesTo describe correlations between the concentrations of AGEs measured by cutaneous autofluorescence and various parameters related to the disease in a population of SLE patients.MethodsAGE concentrations were measured by skin autofluorescence (Age Reader Mu Connect from Diagnoptics Technologies BV) in 66 SLE Caucasian patients and correlations with demographic and clinical data were analyzed, after adjusting for age, smoking and corticosteroids as possible confounding factors, according to previous data. Previous validation studies have shown that skin autofluorescence is strongly related to AGE levels in skin biopsies4. The indices were analyzed both as quantitative and categorized variables according to previously established categories or to medians/tertiles/quartiles depending on the distribution of the variable in our population.ResultsTable 1 shows some descriptive characteristics of our cohort. There were clinically and statistically significant differences in the values of AGEs according to the patient’s SLEDAI and SLICC. Specifically, it was observed that AGEs’ values in the population with severe activity according to SLEDAI was 0.61 (95% CI 0.85-2.046; p=0.045) points > than in those in remission (p=0.045); as well as AGEs‘ values in patients with SLICC ≥1 was 1.23 (95% CI 0.49-1.98; p=0.030) points > than in the group without cumulative damage. In all the models, the values of AGEs increased significantly with age, smoking and current treatment with corticosteroids, except for the model including the SLICC variable. Interactions in said model were explored, and it was observed that the concentration of AGES depended on the interaction between the value of SLICC and the intake of corticosteroids, so that differences were only observed between SLICC groups in those who took corticosteroids.Table 1.Descriptive characteristics of the cohort. c: categorized.AverageSD%Age5415BMI25.364.68SmokerNo68.2Yes31.8AGEs2.60.7Disease duration (years)1611DAS282.221.16cDAS28remission71.2low9.1moderate15.2high4.5SLEDAI54cSLEDAIremission21.2low16.7moderate51.5high10.6SLICC11cSLICC00.0148.5>130.3321.2FACIT Fatigue Scale1810Patient global assessment (PGA)3.02.4cPGA0-131.82-328.8>339.4Physician global assessment1.71.3cPhysician global assessment0-147.0>153.0Visual Analogue Scale (VAS)3.13.1cVAS034.81-430.3>434.8Health Assessment Questionnaire (HAQ)0.5270.551cHAQ033.30-0.7536.4>0.7530.3CorticoidsYes27.3No72.7ConclusionA correlation with elevated values of AGEs was observed in those SLE patients with higher scores in the indexes of activity (SLEDAI) and damage accrual (SLICC). The fact that the differences in SLICC are only observed in those patients treated with corticosteroids suggests that, maybe, only the accumulated damage related to taking corticosteroids could be mediated by AGEs.References[1]Medzhitov R. Origin and physiological roles of inflammation. Nature 2008;454:428–435.[2]Vytášek R, Šedová L, Vilím V. Increased concentration of two different advanced glycation end-products detected by enzyme immunoassays with new monoclonal antibodies in sera of patients with rheumatoid arthritis. BMC Musculoskelet Disord 2010;11:83.[3]leeuw K de, Graaff R, Vries R de, Dullaart RP, Smit AJ, Kallenberg CG, Bijl M. Accumulation of advanced glycation endproducts in patients with systemic lupus erythematosus. Rheumatology 2007;46:1551–1556.[4]Meerwaldt R, Links T, Graaff R, Thorpe SR, Baynes JW, Hartog J, Gans R, Smit A. Simple noninvasive measurement of skin autofluorescence. Ann N Y Acad Sci 2005;1043:290-298.Disclosure of InterestsNone declared
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Triginer L, Carrión Barberà I, Tío L, Salman Monte TC, Pérez C, Polino L, Ribes A, Llorente Onaindia J, Monfort J. AB1460 ACCUMULATED ADVANCED GLYCATION ENDPRODUCTS ARE SIGNIFICANTLY HIGHER IN PATIENTS WITH IMMUNE-MEDIATED INFLAMMATORY DISEASES THAN IN HEALTHY POPULATION. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundAdvanced glycation endproducts (AGEs) are the result of non-enzymatic glycation of proteins, lipids or nucleic acids. In circumstances characterized by increased oxidative and carbonyl stress, such as chronic inflammation, AGEs can be formed more rapidly1, generating reactive oxygen species and activating inflammatory signaling cascades through their chief signaling receptor (commonly abbreviated as RAGE)2. This positive feedback of inflammation can play a role in the etiology of immune-mediated inflammatory diseases, more specifically in rheumatoid arthritis (RA), ankylosing spondylitis (AS) and systemic lupus erythematosus (SLE).ObjectivesTo investigate whether the accumulated concentrations of AGEs in patients with SLE, RA or AS are significantly higher than in healthy patients.MethodsOne hundred thirteen consecutive patients fulfilling ACR/EULAR criteria for RA, 60 patients fulfilling ASAS/OMERACT MRI criteria for AS, 97 patients fulfilling ACR/SLICC criteria for SLE and 527 sex-matched healthy controls were recruited.in cross-sectional study. Exclusion criteria were pregnancy, diabetes mellitus, corticosteroid treatment ≥ 20mg/day and malignant neoplasm. Accumulated AGEs were non-invasively measured by skin autofluorescence (Age Reader Mu Connect, Diagnostics Technologies B.V) and demographic and clinical data were collected. AGEs comparisons between patients and controls were performed by multiple linear regression analysis adjusted by confunders, previously described in literature (age, smoking habit and cardiovascular risk-factors). Age was centered at 55 years.ResultsTable 1 shows some descriptive characteristics of our cohorts. AGEs adjusted mean was significantly increased in SLE patients compared with matched controls (95% CI [2.27, 2.76] vs [1.66, 1.89], p<0.0001), RA patients and controls (95% CI [2.41, 2.61] vs [1.68, 1.88], p<0.0001) and AS patients and controls (95% CI [2.03, 2.6] vs [1.66, 1.93], p<0.0001). In all 3 models, AGEs were also significantly positive correlated with smoking habit measured by packs per year (p<0.001) and age (p<0.0001).Table 1.Descriptive characteristics of the cohortsSLERAASPatientsControlsPatientsControlsPatientsControlsN=96N=189N=113N=240N=60N=99AGEs2.57 (0.65)1.98 (0.45)2.59 (0.58)2.00 (0.42)2.26 (0.46)1.90 (0.46)Age51.0 [43.0;61.0]56.0 [52.0;62.0]58.0 [54.0;65.0]61.0 [56.0;66.0]47.5 [41.0;55.0]53.0 [49.0;57.0]SmokerNo76 (79.2%)133 (70.4%)86 (76.1%)196 (81.7%)42 (70.0%)58 (58.6%)Yes20 (20.8%)56 (29.6%)27 (23.9%)44 (18.3%)18 (30.0%)41 (41.4%)Packs/year0.00 [0.00;10.8]2.50 [0.00;18.8]2.50 [0.00;18.0]0.00 [0.00;12.6]0.00 [0.00;7.88]14.9 [2.00;30.6]HypertensionNo74 (77.1%)116 (61.4%)77 (68.1%)146 (60.8%)53 (88.3%)75 (75.8%)Yes22 (22.9%)73 (38.6%)36 (31.9%)94 (39.2%)7 (11.7%)24 (24.2%)ObesityNo80 (83.3%)128 (67.7%)86 (76.1%)163 (67.9%)51 (85.0%)81 (81.8%)Yes16 (16.7%)61 (32.3%)27 (23.9%)77 (32.1%)9 (15.0%)18 (18.2%)DyslipidemiaNo85 (88.5%)104 (55.0%)79 (69.9%)108 (45.0%)51 (85.0%)55 (55.6%)Yes11 (11.5%)85 (45.0%)34 (30.1%)132 (55.0%)9 (15.0%)44 (44.4%)Continuous normal: mean (SD); Continuous non-normal: median [IQR]; Categorical: absolute (relative frequency)ConclusionAccumulated AGEs in all 3 pathologies are significantly higher than in the healthy controls. The different means of AGEs in each of the diseases, being higher in SLE and lower in AS, may suggest a different participation of AGEs in the immune-mediated mechanisms of each pathology.References[1]K. de Leeuw, R. Graaff et al., Accumulation of advanced glycation endproducts in patients with systemic lupus erythematosus, Rheumatology, Volume 46, Issue 10, October 2007, Pg 1551–1556.[2]Yan S., Ramasamy R. & Schmidt A. Mechanisms of Disease: advanced glycation end-products and their receptor in inflammation and diabetes complications. Nat Rev Endocrinol4, 285–293 (2008).Disclosure of InterestsNone declared
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Romeo Marin M, Gil-Martin M, Gaba Garcia L, Fina C, Taus Á, Murata P, Masvidal M, Martinez A, Fernández-Plana J, García Y, Pérez C, Cros Costa S, Rodriguez V, Zanui M, Catot S, Plaja A, Teruel I, Pardo Búrdalo B, Barretina-Ginesta MP, Esteve A. 748P Real-world-data (RWD) on platinum (Pt)-based chemotherapy (CT) after PARP inhibitors (PARPi) in high-grade serous (or endometrioid) ovarian cancer (HGSEOC). Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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8
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Gallardo C, Soler A, Nurmoja I, Cano-Gómez C, Cvetkova S, Frant M, Woźniakowski G, Simón A, Pérez C, Nieto R, Arias M. Dynamics of African swine fever virus (ASFV) infection in domestic pigs infected with virulent, moderate virulent and attenuated genotype II ASFV European isolates. Transbound Emerg Dis 2021; 68:2826-2841. [PMID: 34273247 DOI: 10.1111/tbed.14222] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 06/28/2021] [Accepted: 07/04/2021] [Indexed: 01/15/2023]
Abstract
This study aimed to compare the infection dynamics of three genotype II African swine fever viruses (ASFV) circulating in Europe. Eighteen domestic pigs divided into three groups were infected intramuscularly or by direct contact with two haemadsorbent ASFVs (HAD) from Poland (Pol16/DP/ OUT21) and Estonia (Est16/WB/Viru8), and with the Latvian non-HAD ASFV (Lv17/WB/Rie1). Parameters, such as symptoms, pathogenicity, and distribution of the virus in tissues, humoral immune response, and dissemination of the virus by blood, oropharyngeal and rectal routes, were investigated. The Polish ASFV caused a case of rapidly developing fatal acute disease, while the Estonian ASFV caused acute to sub-acute infections and two animals survived. In contrast, animals infected with the ASFV from Latvia developed a more subtle, mild, or even subclinical disease. Oral excretion was sporadic or even absent in the attenuated group, whereas in animals that developed an acute or sub-acute form of ASF, oral excretion began at the same time the ASFV was detected in the blood, or even 3 days earlier, and persisted up to 22 days. Regardless of virulence, blood was the main route of transmission of ASFV and infectious virus was isolated from persistently infected animals for at least 19 days in the attenuated group and up to 44 days in the group of moderate virulence. Rectal excretion was limited to the acute phase of infection. In terms of diagnostics, the ASFV genome was detected in contact pigs from oropharyngeal samples earlier than in blood, independently of virulence. Together with blood, both samples could allow to detect ASFV infection for a longer period. The results presented here provide quantitative data on the spread and excretion of ASFV strains of different virulence among domestic pigs that can help to better focus surveillance activities and, thus, increase the ability to detect ASF introductions earlier.
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Affiliation(s)
- Carmina Gallardo
- Centro de Investigación en Sanidad Animal, CISA, INIA-CSIC, European Union Reference Laboratory for African Swine Fever (EURL), Valdeolmos, Madrid, Spain
| | - Alejandro Soler
- Centro de Investigación en Sanidad Animal, CISA, INIA-CSIC, European Union Reference Laboratory for African Swine Fever (EURL), Valdeolmos, Madrid, Spain
| | - Imbi Nurmoja
- Estonian Veterinary and Food Laboratory, Estonian ASF-National reference laboratory (NRL), Kreutzwaldi, Tartu, Estonia
| | - Cristina Cano-Gómez
- Centro de Investigación en Sanidad Animal, CISA, INIA-CSIC, European Union Reference Laboratory for African Swine Fever (EURL), Valdeolmos, Madrid, Spain
| | - Svetlana Cvetkova
- Laboratory of Microbiology and Pathology Institute of Food Safety, Animal Health and Enviroment, BIOR, Latvian ASF-National reference laboratory, Lejupes, Riga, Latvia
| | - Maciej Frant
- National Veterinary Research Institute, Poland ASF-National reference laboratory, Partyzantow, Pulawy, Poland
| | - Grzegorz Woźniakowski
- National Veterinary Research Institute, Poland ASF-National reference laboratory, Partyzantow, Pulawy, Poland.,Department of Diagnostics and Clinical Sciences, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska, Toruń, Poland
| | - Alicia Simón
- Centro de Investigación en Sanidad Animal, CISA, INIA-CSIC, European Union Reference Laboratory for African Swine Fever (EURL), Valdeolmos, Madrid, Spain
| | - Covadonga Pérez
- Centro de Investigación en Sanidad Animal, CISA, INIA-CSIC, European Union Reference Laboratory for African Swine Fever (EURL), Valdeolmos, Madrid, Spain
| | - Raquel Nieto
- Centro de Investigación en Sanidad Animal, CISA, INIA-CSIC, European Union Reference Laboratory for African Swine Fever (EURL), Valdeolmos, Madrid, Spain
| | - Marisa Arias
- Centro de Investigación en Sanidad Animal, CISA, INIA-CSIC, European Union Reference Laboratory for African Swine Fever (EURL), Valdeolmos, Madrid, Spain
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Rodríguez-Alarcón A, Carballo N, Río L, Pérez C, González-Colominas E, Duran X, Monfort J, Grau-Cerrato S, Ferrández-Quirante O. AB0212 NON-ADHERENCE IN RHEUMATOLOGIC IMMUNE-MEDIATED DISEASES. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Patient adherence is a key determinant of treatment success in rheumatologic immune-mediated diseases. Available data about adherence to biological treatments and factors associated to non-adherence is limited in Spain. Moreover, no studies compare adherence between subcutaneous and oral drugs.Objectives:To evaluate non-adherence to prescribed subcutaneous biologicals and oral drugs in patients with rheumatologic immune-mediated diseases and to assess possible predictor factors associated to treatment non-adherence.Methods:Retrospective observational study including all patients with oral and subcutaneous treatment for rheumatologic immune-mediated diseases from 2017 to 2019 in the outpatient pharmaceutical care area from a tertiary university hospital. Non-adherence was evaluated by reviewing all scheduled drug-dispensing visits in the computerized application. We considered non-adherent every time that a patient missed at least one drug administration.Data collected: demographic, total patients and patient-treatments, total dispensing visits and route of administration for drug dispensed in every visit.We classified patients in adherent and non-adherent considering dispensing visits. Non-adherent group: number of dispensing visits, reasons for non-adherence, number of missed administrations per patient and drug and predictor factors for non-adherence.Results:783 patients included: 52.4(13.7) years; 427(54.5%) female; 164 (20.9%) smoker; 697 (89%) Caucasian.A total of 79 (10.1%) of 783 patients received more than one treatment.869 patient-treatments: 294 adalimumab (33.8%), 236 etanercept (27.2%), 78 golimumab (8.9%), 47 apremilast (5.4%), 39 certolizumab (4.5%), 34 secukinumab (3.9%), 30 tocilizumab (3.5%).9,197 dispensing visits. Route of administration: 6,406 subcutaneous (93.2%), 374 oral (6.8%).Non-adherence analysis: 2417 (26.3%) dispensing visits, reasons for non-adherence/ dispensing visits: 92 unjustified (97.5%), 33 infection (1.4%), 18 (surgery) 0.7%, 3 pregnancy (0.1%), 6 others (0.3%).Number of missed administrations/patient treatment: 675 patients missed at least one administration (77.7%).Mean 2.5 (±12.9) missed administrations.Number of missed administrations/drug: 9.9 baricitinib (±20.8), 15.8 tofacitinib (±31.2), 25.4 apremilast (±53.2).Predictor factors for non-adherence: ethnicity (p=0.015), treatment with golimumab (p=0.006), and tocilizumab (p=0.036). Age (p=0.072).Conclusion:- Non-adherence to the prescribed drug occurred in 77.7% of patients with rheumatologic immune-mediated diseases- Demographic factors such as ethnicity as well as golimumab and tocilizumab treatment, despite their different frequency of administration, were predictors for non-adherence- Route of administration did not influence non-adherence.Disclosure of Interests:None declared
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Martínez-Sánchez L, López-Ávila J, Barasoain-Millán A, Angelats-Romero CM, Azkunaga-Santibañez B, Molina-Cabañero JC, Alday A, Andrés A, Angelats C, Aquino E, Astete J, Baena I, Barasoain A, Bello P, Benito C, Benito H, Botifoll E, Burguera B, Campos C, Canduela V, Clerigué N, Comalrena C, Del Campo T, De Miguel B, Fernández R, Fernández B, García E, García M, García M, García M, García-Vao C, Herrero L, Huerta P, Humayor J, Hurtado P, Iturralde I, Jordá A, Khodayar P, Lalinde M, Lobato Z, López J, López V, Luaces C, Mangione L, Martín L, Martínez S. L, Martínez L, Martorell J, May M, Melguizo M, Mesa S, Molina J, Muñiz M, Muñoz J, Muñoz N, Oliva S, Palacios M, Pérez A, Pérez C, Pinyot M, Peñalba A, Pociello N, Rodríguez A, Rodríguez M, Señer R, Serrano I, Vázquez P, Vidal C. Actions that should not be taken with a paediatric patient who has been exposed to a potentially toxic substance. An Pediatr (Barc) 2021. [DOI: 10.1016/j.anpede.2020.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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11
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Ibarguengoitia O, Montero D, Vega L, García C, Calvo I, Fernandez O, Torre I, Inchaurbe AR, Pérez C, Blanco JM, Cuande E, Galindez E, Gorostiza I, Oraa J, García Vivar ML, Ruiz ME. AB1167 PREGNANCY AND INFLAMMATORY ARTHROPATIES: EXPERIENCE IN A MULTIDISCIPLINARY UNIT. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.2579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Systemic inflammatory diseases are common in women at the reproductive age. These women may have fertility problems and complications during pregnancy.Objectives:To describe the experience in a multidisciplinary unit (composed of Rheumatologists and Obstetricians) and asses the complications and treatments used in patients with inflammatory diseases in a tertiary hospital compared to those registered in healthy women from the same center (preterm births 6.59%, Caesarean section (C-section) 14.4%, maternal average age 33.33 years).Methods:Retrospective and descriptive study of the evolution of pregnancy in patients with inflammatory diseases and follow-up in a multidisciplinary unit for more than 15 years (until December 2019). Demographics, maternal disease, time until conception, births, abortions, C-sections, treatments and complications were collected. Data was analyzed using IBM SPSS v23.Results:We registered 29 pregnancies (25 patients): 20 Rheumatoid Arthritis (RA), 5 Psoriatic Arthritis (PsA), and 4 Spondylarthritis (SpA). Maternal average age at diagnosis was 27.6±6.36 years and average age at childbirth/abortion 35±5.6 years.It took an average time of 8 months to conceive. 11.5% received fertility treatment using in vitro fertilization techniques.5 abortions were registered prior to follow-up in this unit (0.2 abortions/mother). During follow-up 1 abortion (0.04 abortions/mother) was recorded in a RA patient. C-section was performed in 11 cases (39.2%): 6 RA (31.6%), 3 SpA (75%) and 2 PsA (40%).17.2% of pregnancies were preterm (<37 weeks).Intrauterine growth restriction (IUGR) was observed in a woman (3.4%) with RA and preeclampsia was observed in 2 cases (6.9%) (RA 1, SpA 1).Disease activity (DAS28 and BASDAI) is shown in Table 1.Table 1.DAS28 (median)PreviousFirstTrimesterSecondTrimesterThirdTrimesterPosteriorRheumatoid Arthritis2.692.593.093.333.11Psoriatic Arthritis2.582.53.323.082.89RA with biological agents (n: 6)2.372.942.712.42.52BASDAI (median)Spondylarthritis2.82.41.7511.9Treatments used prior to and during pregnancy are listed in Table 2.Table 2.TREATMENT BEFORE PREGNANCYn (%)TREATMENT DURINGPREGNANCYn (%)Hydroxychloroquine13 (44.8%)Prednisone17 (58.6%)Prednisone12 (41.4%)Acetylsalicylic acid16 (55.2%)Methotrexate9 (31%)Hydroxychloroquine15 (51.7%)TNF inhibitors7 (24.1%)Sulfasalazine2 (6.9%)Sulfasalazine2 (6.9%)TNF inhibitors2 (6.9%)8 patients had received biological treatment prior to pregnancy (2 SpA, 6 RA)(3 Etanercept, 3 Adalimumab, 2 Certolizumab). 2 of them (RA) continued treatment during pregnancy. 1 of them discontinued it at week 17 on her own (Adalimumab) while the other continued with Certolizumab throughout pregnancy and presented IUGR. No other complications, such as infections or malformation, were observed in newborns. DAS28 data of these women can be found in Table 1.Conclusion:In our series, as described in the literature, women with inflammatory arthropaties are older, need longer time to achieve pregnancy and have increased use of fertility techniques and increased likelihood of preterm and instrumental delivery compared to general population. Given the low number of patients receiving biological treatment no conclusions about complications and evolution of the disease can be drawn, so further investigation are needed in this group of patients.Monitoring inflammatory arthropathies in a multidisciplinary unit increases the chances of successful pregnancies.Disclosure of Interests:None declared
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12
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Pino LE, Triana I, Pérez C, Piotrostanalzki A, Ruiz-Patiño A, Lopes G, Cardona AF. Electronic nicotine delivery systems (ECs) and COVID-19: the perfect storm for young consumers. Clin Transl Oncol 2020; 23:5-9. [PMID: 32447647 PMCID: PMC7245506 DOI: 10.1007/s12094-020-02391-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/10/2020] [Indexed: 12/19/2022]
Abstract
The COVID-19 pandemic caused a change in our society and put health systems in crisis worldwide. Different risk factors and comorbidities have been found that increase the risk of mortality when acquiring this infection. The use of alternative devices to the cigarette like the electronic cigarettes, the vapers have been studied widely and generators of great controversy since it has been discovered that they also produce different pulmonary affections. When developing the SARS-CoV2 infection, different theories have been generated about the greater predisposition to a worse prognosis of people who use electronic cigarettes; however, the information on this continues in discovery. A group of experts made up of oncologists, infectologists, pulmonologists, and epidemiologists met to review the literature and then generate theories about the impact of electronic cigarettes on SARS-CoV2 infection.
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Affiliation(s)
- L. E. Pino
- Cancer Institute Fundación Santafé, 110121 Bogotá, Colombia
| | - I. Triana
- Cancer Institute Fundación Santafé, 110121 Bogotá, Colombia
| | - C. Pérez
- Infectious Disease Department Clínica, Marly - Hospital La Samaritana, 110121 Bogotá, Colombia
| | - A. Piotrostanalzki
- Respiratory Medicine Department, Clínica Central del Quindío, 110121 Armenia, Colombia
| | - A. Ruiz-Patiño
- Clinical and Traslational Oncology Group, Institute of Oncology, Country Clinic, 110121 Bogotá, Colombia
| | - G. Lopes
- Sylvester Comprehensive Cancer Center, Miami University, Miami, USA
| | - A. F. Cardona
- Clinical and Traslational Oncology Group, Institute of Oncology, Country Clinic, 110121 Bogotá, Colombia
- Foundation for Clinical and Applied Cancer Research - FICMAC, 110121 Bogotá, Colombia
- Molecular Oncology and Biology Systems Research Group (Fox-G), Universidad El Bosque, 110121 Bogotá, Colombia
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Gascó C, Suárez-Navarro JA, Escareño-Juárez E, Fernández E, García L, Puertas F, Alonso MM, Pérez C. Characteristic limits of 230Th in alpha spectrometry with 229Th as tracer, calculated by simulating interfering tails and overlapping peaks. Appl Radiat Isot 2020; 160:109097. [PMID: 32351213 DOI: 10.1016/j.apradiso.2020.109097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 01/17/2020] [Accepted: 02/23/2020] [Indexed: 10/24/2022]
Abstract
This study explores the effect of 229Th tracer tail interference on the determination of the sensitivity of 230Th alpha spectrometry of samples with environmental levels of radioactivity. Tracer peak tail interference was calculated with Suma-Alpha, whilst Visual Basic for Applications (VBA in Excel©) software was used to study the variation in sensitivity in terms of the amount of tracer added. Unnecessary increases in the amount of tracer or extended sample measuring times were observed to have adverse effects on method sensitivity (Detection Limit- Ld).
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Affiliation(s)
- C Gascó
- Unidad de Radiactividad Ambiental y Vigilancia Radiológica, CIEMAT, Avenida de la Complutense 40, Madrid, 28040, Spain.
| | - J A Suárez-Navarro
- Unidad de Radiactividad Ambiental y Vigilancia Radiológica, CIEMAT, Avenida de la Complutense 40, Madrid, 28040, Spain
| | - E Escareño-Juárez
- Universidad Autónoma de Zacatecas, Unidad Académica de Estudios Nucleares, Mexico
| | - E Fernández
- Unidad de Radiactividad Ambiental y Vigilancia Radiológica, CIEMAT, Avenida de la Complutense 40, Madrid, 28040, Spain
| | - L García
- Unidad de Radiactividad Ambiental y Vigilancia Radiológica, CIEMAT, Avenida de la Complutense 40, Madrid, 28040, Spain
| | - F Puertas
- Eduardo Torroja Institute for Construction Sciences (IETcc-CSIC), Spain
| | - M M Alonso
- Eduardo Torroja Institute for Construction Sciences (IETcc-CSIC), Spain
| | - C Pérez
- TECNASA, Calle Primera (Chamartín), 27 BAJO, Madrid, Spain
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Merchán D, Sanz L, Alfaro A, Pérez I, Goñi M, Solsona F, Hernández-García I, Pérez C, Casalí J. Irrigation implementation promotes increases in salinity and nitrate concentration in the lower reaches of the Cidacos River (Navarre, Spain). Sci Total Environ 2020; 706:135701. [PMID: 31940725 DOI: 10.1016/j.scitotenv.2019.135701] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/14/2019] [Accepted: 11/21/2019] [Indexed: 06/10/2023]
Abstract
The shift from rainfed to irrigated agriculture is associated with a change in the fertilization rates due to increases in expected production and the fact of growing more N demanding crops. In addition, the circulation of irrigation return flows (IRF) mobilizes soluble salts stored in soils or geological materials. As a consequence, it implies severe modifications in the dynamics and total amount of soluble salts and nitrogen exported, especially in semi-arid watersheds. In this study, long-term data collected by the regional authorities was used to assess the effects of irrigation implementation on salinity (using electrical conductivity, EC, as a proxy) and nitrate concentration (NO3-) after the transformation of ca. 77 km2 from rainfed to irrigated agriculture in the Cidacos River (CR) watershed. The results indicate that water quality in the lower reaches of the CR was significantly modified after the diffuse incorporation of IRF. In contrast, neither EC nor NO3- were different in those monitoring stations whose contributing watersheds did not include transformed area. In addition, the temporal dynamics in the analysed variables shifted from a rainfed land signal typical in the region to an irrigated land signal, and the hydrochemical type of the CR shifted from mixed-to-Na+-mixed-to-HCO3- to mostly Na+-mixed type, typical of waters affected by IRF in the region. Groundwater EC and NO3- also increased in those wells located within the irrigated area. Although there are great uncertainties in the actual amount of salt and N reaching the CR via IRF, the expected contribution of waste water spilled into the CR is minor in comparison to other sources, mostly agricultural sources in the case of N. The observed changes have promoted the designation of the lower reaches of the CR as "affected" by NO3- pollution, and the whole CR watershed as a Nitrate Vulnerable Zone, with the emergent question about whether irrigation implementation as carried out currently in Spain is against the environmental objectives of the Water Framework Directive.
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Affiliation(s)
- D Merchán
- Public University of Navarre, Campus de Arrosadía, 31006 Pamplona, Navarra, Spain.
| | - L Sanz
- Environmental Management of Navarre, C/ Padre Adoain, 219 Bajo, 31015 Pamplona, Navarra, Spain
| | - A Alfaro
- Navarre Institute of Agricultural and Food Technologies and Infrastructures, Avda. Serapio Huici 22, 31610 Villava, Navarra, Spain
| | - I Pérez
- Environmental Management of Navarre, C/ Padre Adoain, 219 Bajo, 31015 Pamplona, Navarra, Spain
| | - M Goñi
- Public University of Navarre, Campus de Arrosadía, 31006 Pamplona, Navarra, Spain
| | - F Solsona
- Department of Rural Development, Environment and Local Administration, Government of Navarre, C/ González Tablas 9, 31003 Pamplona, Navarra, Spain
| | - I Hernández-García
- Public University of Navarre, Campus de Arrosadía, 31006 Pamplona, Navarra, Spain
| | - C Pérez
- Department of Rural Development, Environment and Local Administration, Government of Navarre, C/ González Tablas 9, 31003 Pamplona, Navarra, Spain
| | - J Casalí
- Public University of Navarre, Campus de Arrosadía, 31006 Pamplona, Navarra, Spain
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Rico E, Pérez C, Belver A, Sabaté S, Razquin E, de Benito J, Coronas L, Domínguez A, Jané M. Norovirus detection in environmental samples in norovirus outbreaks in closed and semi-closed settings. J Hosp Infect 2020; 105:3-9. [PMID: 32092369 DOI: 10.1016/j.jhin.2020.02.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 02/17/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Environmental surfaces are a potential vehicle for the transmission of norovirus outbreaks in closed and semi-closed settings. Testing of environmental samples may help control outbreaks. AIM To assess the level of environmental contamination by norovirus in acute gastroenteritis outbreaks in closed or semi-closed settings (nursing homes, schools, kindergartens, youth accommodations, hospitals and social health centres) in the Barcelona region between January 2017 and March 2019. METHODS A prospective surveillance study was carried out. Environmental samples (529) were collected in 46 of the 50 outbreaks of acute norovirus gastroenteritis from environmental surfaces of common areas, bathrooms and kitchens in closed and semi-closed settings when the outbreak was notified and 10 days later. Instructions for taking environmental samples were distributed to public health inspectors. Norovirus was detected by reverse transcription polymerase chain reaction. FINDINGS Environmental samples were positive for norovirus in 31 (67.4%) outbreaks. Norovirus was most frequently detected on elevator buttons (4/17, 24%), toilet handles (16/66, 24%) and handrail bars (7/34, 21%). Positive samples from the first sampling were mainly found in bathrooms and greater viral persistence in the second sampling was found on elevator buttons and TV remote controls. Nursing homes were the setting with the most types of environmental surfaces contaminated (82% in first samples and 55% in second samples). CONCLUSION The probability of virus detection is independent of the time between notification of the outbreak or symptom onset and sample collection. Our results suggest possible defects in cleaning protocols and disinfection in closed and semi-closed settings.
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Affiliation(s)
- E Rico
- Sub-direcció Regional a Barcelona del Departament de Salut, Barcelona, Spain
| | - C Pérez
- Sub-direcció Regional a Barcelona del Departament de Salut, Barcelona, Spain
| | - A Belver
- Sub-direcció Regional a Barcelona del Departament de Salut, Barcelona, Spain
| | - S Sabaté
- Laboratori de l'Agència de Salut Pública de Barcelona, Barcelona, Spain
| | - E Razquin
- Laboratori de l'Agència de Salut Pública de Barcelona, Barcelona, Spain
| | - J de Benito
- Agència de Salut Pública de Barcelona (ASPB), Barcelona, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
| | - L Coronas
- Departament de Medicina, Universitat de Barcelona, Barcelona, Spain.
| | - A Domínguez
- CIBER de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain; Departament de Medicina, Universitat de Barcelona, Barcelona, Spain
| | - M Jané
- CIBER de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain; Sub-direcció General de Vigilància i Resposta a Emergències de Salut Pública, Barcelona, Spain
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Fatima M, Maué D, Pérez C, Tikhonov DS, Bernhard D, Stamm A, Medcraft C, Gerhards M, Schnell M. Structures and internal dynamics of diphenylether and its aggregates with water. Phys Chem Chem Phys 2020; 22:27966-27978. [DOI: 10.1039/d0cp04104a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We report on a detailed multi-spectroscopic analysis of the structures and internal dynamics of diphenylether and its aggregates with up to three water molecules by employing molecular beam experiments.
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Affiliation(s)
- M. Fatima
- Deutsches Elektronen-Synchrotron (DESY)
- D-22607 Hamburg
- Germany
- Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
| | - D. Maué
- TU Kaiserslautern
- Fachbereich Chemie & Research Center Optimas
- D-67663 Kaiserslautern
- Germany
| | - C. Pérez
- Deutsches Elektronen-Synchrotron (DESY)
- D-22607 Hamburg
- Germany
- Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
| | - D. S. Tikhonov
- Deutsches Elektronen-Synchrotron (DESY)
- D-22607 Hamburg
- Germany
- Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
| | - D. Bernhard
- TU Kaiserslautern
- Fachbereich Chemie & Research Center Optimas
- D-67663 Kaiserslautern
- Germany
| | - A. Stamm
- TU Kaiserslautern
- Fachbereich Chemie & Research Center Optimas
- D-67663 Kaiserslautern
- Germany
| | - C. Medcraft
- Deutsches Elektronen-Synchrotron (DESY)
- D-22607 Hamburg
- Germany
- Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
| | - M. Gerhards
- TU Kaiserslautern
- Fachbereich Chemie & Research Center Optimas
- D-67663 Kaiserslautern
- Germany
| | - M. Schnell
- Deutsches Elektronen-Synchrotron (DESY)
- D-22607 Hamburg
- Germany
- Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
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Ripoll T, García AB, Gomila I, Heine D, Poncela JL, Sánchez N, Pérez C, García E, Hernández E, Barceló A, Busardo FP, Barceló B. Post-mortem toxicology in the diagnosis of sudden death in young and middle-aged victims. Eur Rev Med Pharmacol Sci 2019; 23:9135-9149. [PMID: 31773664 DOI: 10.26355/eurrev_201911_19404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE We aimed to investigate the impact of the toxicological results found in cases of sudden death (SD) and to correlate the clinical, autopsy and genetic findings with the toxicology results. MATERIALS AND METHODS Consecutive SD in people aged between 16 and 50 years with medico-legal autopsies and toxicology studies were included over a 3-year period. The comparison between the toxicological data and demographic characteristics, clinical circumstances, autopsy, and genetic results were taken into account. RESULTS 101 cases were finally included. They were predominately males (84%) and the mean age was 39.8 years. 52 (51.5%) cases had positive toxicological findings and in 25 cases (24.8%), toxic compounds were considered the first cause of death. Ethanol was the most frequently identified agent (69%), following by licit drugs (56%) and drugs of abuse (39%). Cases with positive toxicology were younger than those with negative results (37.9±9.1 vs. 41.9±7.8; p=0.02). Patients with more than 3 comorbidities showed an association with positive toxicological results (n=14 vs. n=3; p=0.017). The genetic study was performed in 70 (69.3%) SD cases. We identified pathogenic or likely pathogenic variants in 17.1% cases and uncertain significance variants in 42.8% cases. 58% of these variants were probably related to the cause of death. CONCLUSIONS A large fraction of SD victims had positive toxicological findings and a quarter of deaths were directly caused by toxic substances. The identification of the factors that trigger SD provides a good approach to contribute in avoiding future episodes.
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Affiliation(s)
- T Ripoll
- Cardiology Department, Hospital Universitari Son Llàtzer, MUSIB Research Group, Research Institute of Health Sciences (IdISBa), Palma de Mallorca, Spain.
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Portero M, Martínez de Merlo E, Pérez C, Benito M, Daza MA, Fragio C. Cerebrospinal fluid and blood lactate concentrations as prognostic biomarkers in dogs with meningoencephalitis of unknown origin. Vet J 2019; 254:105395. [PMID: 31836169 DOI: 10.1016/j.tvjl.2019.105395] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 10/09/2019] [Accepted: 10/10/2019] [Indexed: 12/22/2022]
Abstract
Meningoencephalitis of unknown origin (MUO) is a common inflammatory disease of the central nervous system. Several studies investigated finding prognostic factors, but results are contradictory. The aim of this study was to determine the concentrations of blood lactate (Blood-L) and cerebrospinal fluid lactate (CSF-L) in dogs with MUO for prognostic purposes. A total of 45 dogs with MUO (MUO group) and 11 with idiopathic epilepsy (IE group) were included. In the MUO group, 22 dogs were treated with prednisolone + cytosine arabinoside, 17 with prednisolone ± cyclosporine, and six received no treatment. In the MUO group, there was a strong-moderate positive correlation between Blood-L and CSF-L (ρ = 0.63557; P < 0.0001), a strong-moderate negative correlation between survival and CSF-L (ρ= -0.50210; P < 0.0004), and a weak negative correlation between survival and Blood-L (ρ= -0.35685; P < 0.0220). Dogs with a favourable response to treatment at 1 month had lower initial concentrations of Blood-L and CSF-L (P < 0.0010; P < 0.0037), and those with a worse response had higher values (P < 0.0497; P < 0.0004). Dogs that remained stable with treatment showed lower CSF-L concentrations (P < 0.0013). Dogs with Blood-L>4 mmol/L (P < 0.03) and/or CSF-L> 4 mmol/L (P < 0.009) had lower survival rates with the latter also showing more severe signs, probably indicating severe neuronal damage. These findings suggest that concentrations of CSF-L and Blood-L in dogs with MUO could be used as prognostic indicators.
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Affiliation(s)
- M Portero
- Department of Small Animal Medicine and Surgery, Hospital Clinico Veterinario Complutense, Universidad Complutense, Madrid, Avenida Puerta de Hierro s/n, 28040, Spain.
| | - E Martínez de Merlo
- Department of Small Animal Medicine and Surgery, Hospital Clinico Veterinario Complutense, Universidad Complutense, Madrid, Avenida Puerta de Hierro s/n, 28040, Spain
| | - C Pérez
- Department of Small Animal Medicine and Surgery, Hospital Clinico Veterinario Complutense, Universidad Complutense, Madrid, Avenida Puerta de Hierro s/n, 28040, Spain
| | - M Benito
- Department of Small Animal Medicine and Surgery, Hospital Clinico Veterinario Complutense, Universidad Complutense, Madrid, Avenida Puerta de Hierro s/n, 28040, Spain
| | - M A Daza
- Department of Small Animal Medicine and Surgery, Hospital Clinico Veterinario Complutense, Universidad Complutense, Madrid, Avenida Puerta de Hierro s/n, 28040, Spain
| | - C Fragio
- Department of Small Animal Medicine and Surgery, Hospital Clinico Veterinario Complutense, Universidad Complutense, Madrid, Avenida Puerta de Hierro s/n, 28040, Spain
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Rojo V, Arzamendia Y, Pérez C, Baldo J, Vilá BL. Spatial and temporal variation of the vegetation of the semiarid Puna in a pastoral system in the Pozuelos Biosphere Reserve. Environ Monit Assess 2019; 191:635. [PMID: 31522254 DOI: 10.1007/s10661-019-7803-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 09/01/2019] [Indexed: 06/10/2023]
Abstract
This study aimed to analyze the spatial and temporal variation of the vegetation in the northern Argentine Puna, utilizing both field sampling and remote-sensing tools. The study was performed within the Pozuelos Biosphere Reserve (Jujuy province, Argentina), which aims to generate socio-economic development compatible with biodiversity conservation. Our study was designed to analyze the dynamics of the Puna vegetation at local scale and assess and monitor the seasonal (dry and wet seasons), interannual, and spatial variation of the vegetation cover, biomass, dominant species, and vegetation indices. Ten vegetation units (with differences in composition, cover, and high and low stratum biomass) were identified at our study site. The diversity of these vegetation units correlated with geomorphology and soil type. In the dry season, the vegetation unit with greatest vegetation cover and biomass was the Festuca chrysophylla grassland, whereas in the wet season, the units with greatest cover and biomass were vegas (peatlands) and short grasslands. The Festuca chrysophylla grasslands and short grasslands were located in areas with clay soils, except peatlands, associated with valleys and coarse-texture soils. The vegetation indices used (NDVI, SAVI, and MSAVI2) were able to differentiate functional types of vegetation and showed a good statistical fit with cover values. Our results suggest that the integrated utilization of remote-sensing tools and field surveys improves the assessment of the Puna vegetation and would allow a periodic monitoring at production unit scale taking into account its spatial and temporal variation.
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Affiliation(s)
- Verónica Rojo
- Instituto de Ecorregiones Andinas (INECOA-CONICET-UNJu), Alberdi 47, 4600, San Salvador de Jujuy, Argentina.
- VICAM: Vicuñas, Camélidos y Ambiente, Buenos Aires, Argentina.
| | - Y Arzamendia
- Instituto de Ecorregiones Andinas (INECOA-CONICET-UNJu), Alberdi 47, 4600, San Salvador de Jujuy, Argentina
- VICAM: Vicuñas, Camélidos y Ambiente, Buenos Aires, Argentina
- Facultad de Ciencias Agrarias, Universidad Nacional de Jujuy, Alberdi 47, 4600, San Salvador de Jujuy, Argentina
| | - C Pérez
- Laboratorio de Investigación de Sistemas Ecológicos y Ambientales, Universidad Nacional de La Plata, 1900, La Plata, Argentina
| | - J Baldo
- VICAM: Vicuñas, Camélidos y Ambiente, Buenos Aires, Argentina
- Facultad de Ciencias Agrarias, Universidad Nacional de Jujuy, Alberdi 47, 4600, San Salvador de Jujuy, Argentina
- CONICET: Consejo Nacional de Investigaciones Científicas y Técnicas (National Research Council), Buenos Aires, Argentina
| | - B L Vilá
- VICAM: Vicuñas, Camélidos y Ambiente, Buenos Aires, Argentina
- CONICET: Consejo Nacional de Investigaciones Científicas y Técnicas (National Research Council), Buenos Aires, Argentina
- Departamento de Ciencias Sociales, Universidad Nacional de Luján, Avenida Constitución y RN 5, 6700, Buenos Aires, Argentina
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Alcaraz Mas L, Pérez C, González-Reig S, Brígido P, Amorós D, Penacho V, Blanca H. 58. PGD-SEQ: VALIDATION OF A NOVEL SOLUTION FOR PGT-M AND PGT-SR BASED ON TARGET ENRICHMENT. Reprod Biomed Online 2019. [DOI: 10.1016/j.rbmo.2019.04.111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Pérez C, Mondéjar R, García-Díaz N, Cereceda L, León A, Montes S, Durán Vian C, Pérez Paredes MG, González-Morán A, Alegre de Miguel V, Sanz Anquela JM, Frias J, Limeres MA, González LM, Martín Dávila F, Beltrán M, Mollejo M, Méndez JR, González MA, González García J, López R, Gómez A, Izquierdo F, Ramos R, Camacho C, Rodriguez-Pinilla SM, Martínez N, Vaqué JP, Ortiz-Romero PL, Piris MA. Advanced-stage mycosis fungoides: role of the signal transducer and activator of transcription 3, nuclear factor-κB and nuclear factor of activated T cells pathways. Br J Dermatol 2019; 182:147-155. [PMID: 31049933 DOI: 10.1111/bjd.18098] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND The malignant mechanisms that control the development of cutaneous T-cell lymphoma (CTCL) are beginning to be identified. Recent evidence suggests that disturbances in specific intracellular signalling pathways, such as RAS-mitogen-activated protein kinase, T-cell receptor (TCR)-phospholipase C gamma 1 (PLCG1)-nuclear factor of activated T cells (NFAT) and Janus kinase (JAK)-signal transducer and activator of transcription (STAT), may play an essential role in the pathogenesis of CTCL. OBJECTIVES To investigate the mechanisms controlling disease development and progression in mycosis fungoides (MF), the most common form of CTCL. METHODS We collected 100 samples that were submitted for diagnosis of, or a second opinion regarding, MF between 2001 and 2018, 80% of which were in the early clinical stages of the disease. Formalin-fixed paraffin-embedded tissues were used for histological review and to measure the expression by immunohistochemistry of surrogate markers of activation of the TCR-PLCG1-NFAT, JAK-STAT and NF-κB pathways. Folliculotropism and large-cell transformation were also examined. RESULTS NFAT and nuclear factor kappa B (NF-κB) markers showed a comparable activation status in early and advanced stages, while STAT3 activation was more frequent in advanced stages and was associated with large-cell transformation. Consistently with this observation, STAT3 activation occurred in parallel with MF progression in two initially MF-negative cases. A significant association of NFAT with NF-κB markers was also found, reflecting a common mechanism of activation in the two pathways. Genomic studies identified nine mutations in seven genes known to play a potential role in tumorigenesis in T-cell leukaemia/lymphoma, including PLCG1, JAK3 and STAT3, which underlies the activation of these key cell-survival pathways. A higher mutational allele frequency was detected in advanced stages. CONCLUSIONS Our results show that STAT3 is activated in advanced cases and is associated with large-cell transformation, while the activation of NFAT and NF-κB is maintained throughout the disease. These findings could have important diagnostic and therapeutic implications. What's already known about this topic? Mycosis fungoides is characterized by a clonal expansion of T cells in the skin. The mechanisms controlling disease development and progression are not fully understood. What does this study add? An association of the nuclear factor of activated T cells and nuclear factor kappa B pathways was found, which could reflect a common mechanism of activation. These pathways were activated in early and advanced stages at the same level. Signal transducer and activator of transcription 3 activation was associated with large-cell transformation and was more frequent in advanced stages. A genomic analysis of cutaneous T-cell lymphoma-associated genes was performed. Nine mutations were detected. What is the translational message? These results could have important implications for the treatment of MF in the near future.
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Affiliation(s)
- C Pérez
- Translational Hematopathology, Instituto de Investigación Marqués de Valdecilla, IDIVAL, Santander, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
| | - R Mondéjar
- Translational Hematopathology, Instituto de Investigación Marqués de Valdecilla, IDIVAL, Santander, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Service of Pathology, Fundación Jiménez Díaz University Hospital, Madrid, Spain
| | - N García-Díaz
- Departamento de Biología Molecular, Universidad de Cantabria, Infección, Inmunidad y Patología Digestive, Instituto de Investigación Marqués de Valdecilla, IDIVAL, Santander, Spain
| | - L Cereceda
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Service of Pathology, Fundación Jiménez Díaz University Hospital, Madrid, Spain
| | - A León
- Pathology Service, Marqués de Valdecilla University Hospital, Santander, Spain
| | - S Montes
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Pathology Service, Marqués de Valdecilla University Hospital, Santander, Spain
| | - C Durán Vian
- Dermatology Service, Marqués de Valdecilla University Hospital, Santander, Spain
| | - M G Pérez Paredes
- Dermatology Service, Marqués de Valdecilla University Hospital, Santander, Spain
| | - A González-Morán
- Dermatology Service, Complejo Hospitalario de Ávila, Ávila, Spain
| | - V Alegre de Miguel
- Dermatology Service, Hospital General Universitario de Valencia, Valencia, Spain
| | - J M Sanz Anquela
- Cancer Registry and Pathology Department, Hospital Universitario Príncipe de Asturias and Department of Medicine and Medical Specialties, Faculty of Medicine, University of Alcalá, Alcalá de Henares, Madrid, Spain
| | - J Frias
- Dermatology Service, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - M A Limeres
- Pathology Department, Hospital Universitario de Gran Canaria Doctor Negrín, Gran Canaria, Canarias, Spain
| | - L M González
- Pathology Service, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain
| | - F Martín Dávila
- Pathology Service, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain
| | - M Beltrán
- Pathology Service, Hospital Universitario Puerta del Mar, Cádiz, Spain
| | - M Mollejo
- Pathology Service, Complejo Hospitalario de Toledo, Toledo, Spain
| | - J R Méndez
- Pathology Service, Centro Médico de Asturias, Asturias, Spain
| | - M A González
- Pathology Service, Hospital San Pedro de Alcántara, Cáceres, Spain
| | - J González García
- Pathology Service, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain
| | - R López
- Pathology Service, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain
| | - A Gómez
- Pathology Service, Hospital de la Marina Baixa, Alicante, Spain
| | - F Izquierdo
- Pathology Service, Complejo Asistencial Universitario de León, León, Spain
| | - R Ramos
- Pathology Service, University Hospital Son Espases, Palma de Mallorca, Spain
| | - C Camacho
- Pathology Service, C.H.U. Insular - Materno Infantil, Gran Canarias, Spain
| | - S M Rodriguez-Pinilla
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Service of Pathology, Fundación Jiménez Díaz University Hospital, Madrid, Spain
| | - N Martínez
- Translational Hematopathology, Instituto de Investigación Marqués de Valdecilla, IDIVAL, Santander, Spain.,Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
| | - J P Vaqué
- Departamento de Biología Molecular, Universidad de Cantabria, Infección, Inmunidad y Patología Digestive, Instituto de Investigación Marqués de Valdecilla, IDIVAL, Santander, Spain
| | - P L Ortiz-Romero
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Dermatology Service, Hospital 12 de Octubre, Institute i+12 Medical School, University Complutense, Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
| | - M A Piris
- Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.,Service of Pathology, Fundación Jiménez Díaz University Hospital, Madrid, Spain
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Bernhard D, Fatima M, Poblotzki A, Steber AL, Pérez C, Suhm MA, Schnell M, Gerhards M. Dispersion-controlled docking preference: multi-spectroscopic study on complexes of dibenzofuran with alcohols and water. Phys Chem Chem Phys 2019; 21:16032-16046. [DOI: 10.1039/c9cp02635e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The planarity and rigidity of dibenzofuran inverts the docking preference for increasingly bulky R-OH solvent molecules, compared to the closely related diphenyl ether. Now, London dispersion favors OH⋯π hydrogen bonding.
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Affiliation(s)
- D. Bernhard
- TU Kaiserslautern
- Fachbereich Chemie & Research Center Optimas
- D-67663 Kaiserslautern
- Germany
| | - M. Fatima
- Deutsches Elektronen-Synchrotron (DESY)
- Notkestr. 85
- D-22607 Hamburg
- Germany & Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
| | - A. Poblotzki
- Institut für Physikalische Chemie
- Universität Göttingen
- D-37077 Göttingen
- Germany
| | - A. L. Steber
- Deutsches Elektronen-Synchrotron (DESY)
- Notkestr. 85
- D-22607 Hamburg
- Germany & Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
| | - C. Pérez
- Deutsches Elektronen-Synchrotron (DESY)
- Notkestr. 85
- D-22607 Hamburg
- Germany & Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
| | - M. A. Suhm
- Institut für Physikalische Chemie
- Universität Göttingen
- D-37077 Göttingen
- Germany
| | - M. Schnell
- Deutsches Elektronen-Synchrotron (DESY)
- Notkestr. 85
- D-22607 Hamburg
- Germany & Institute of Physical Chemistry
- Christian-Albrechts-Universität zu Kiel
| | - M. Gerhards
- TU Kaiserslautern
- Fachbereich Chemie & Research Center Optimas
- D-67663 Kaiserslautern
- Germany
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García-Díaz N, Pérez C, Mondéjar R, Gru A, Alonso-Alonso R, Pisonero H, Cereceda L, Ortiz-Romero P, Piris M, Vaqué J. PO-507 Deregulated mechanisms downstream of PLCG1 promoting cutaneous T cell lymphomaprogression. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Pinacho P, Krin A, Pérez C, Zinn S, López JC, Blanco S, Schnell M. Microsolvated complexes of ibuprofen as revealed by high-resolution rotational spectroscopy. Phys Chem Chem Phys 2018; 20:15635-15640. [DOI: 10.1039/c8cp01088a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Four conformers of microsolvated ibuprofen have been characterized using high-resolution microwave spectroscopy.
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Affiliation(s)
- P. Pinacho
- Departamento de Química Física y Química Inorgánica
- Facultad de Ciencias
- Universidad de Valladolid
- 47011 Valladolid
- Spain
| | - A. Krin
- Deutsches Elektronen-Synchrotron
- 22607 Hamburg
- Germany
- Max-Planck Institut für Struktur und Dynamik der Materie
- Luruper Chaussee 149
| | - C. Pérez
- Deutsches Elektronen-Synchrotron
- 22607 Hamburg
- Germany
- Max-Planck Institut für Struktur und Dynamik der Materie
- Luruper Chaussee 149
| | - S. Zinn
- Deutsches Elektronen-Synchrotron
- 22607 Hamburg
- Germany
- Max-Planck Institut für Struktur und Dynamik der Materie
- Luruper Chaussee 149
| | - J. C. López
- Departamento de Química Física y Química Inorgánica
- Facultad de Ciencias
- Universidad de Valladolid
- 47011 Valladolid
- Spain
| | - S. Blanco
- Departamento de Química Física y Química Inorgánica
- Facultad de Ciencias
- Universidad de Valladolid
- 47011 Valladolid
- Spain
| | - M. Schnell
- Deutsches Elektronen-Synchrotron
- 22607 Hamburg
- Germany
- Max-Planck Institut für Struktur und Dynamik der Materie
- Luruper Chaussee 149
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Delgado-Vargas B, Medina M, Polo R, Lloris A, Vaca M, Pérez C, Cordero A, Cobeta I. Cochlear obliteration following a translabyrinthine approach and its implications in cochlear implantation. ACTA ACUST UNITED AC 2017; 38:56-60. [PMID: 29187758 DOI: 10.14639/0392-100x-1218] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 06/06/2017] [Indexed: 11/23/2022]
Abstract
The most frequent sequelae following a translabyrinthine approach for vestibular schwannoma resection is complete hearing loss on the affected side. Such patients could benefit from a cochlear implant, provided that two essential requisites are met before surgery: a preserved cochlear nerve and a patent cochlea to accommodate the electrode array. The goal of our study is to determine the prevalence and extent of cochlear ossification following a translabyrinthine approach. Postoperative MRI of 41 patients were retrospectively reviewed. Patients were classified according to the degree of cochlear obliteration into three groups (patent cochlea, partially obliterated cochlea and totally obliterated cochlea). The interval between surgery and the first MRI was studied as well as its relationship with the rate of cochlear ossification. At first postoperative MRI (mean interval of 20 months), 78% of patients showed some degree of cochlear ossification. Differences were found in the time interval between surgery and first MRI for each group, showing a smaller interval of time the patent cochlea group (p > 0.05). When MRI was performed before the first year after surgery, a larger rate of patent cochlea was found (p > 0.05). The present study suggests that cochlear ossification is a time-depending process, whose grounds are still to be defined.
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Affiliation(s)
- B Delgado-Vargas
- Department of Otolaryngology and Head and Neck Surgery, Hospital Universitario Ramón y Cajal, Ctra. de Colmenar Viejo, Madrid, Spain
| | - M Medina
- Department of Otolaryngology and Head and Neck Surgery, Hospital Universitario Ramón y Cajal, Ctra. de Colmenar Viejo, Madrid, Spain
| | - R Polo
- Department of Otolaryngology and Head and Neck Surgery, Hospital Universitario Ramón y Cajal, Ctra. de Colmenar Viejo, Madrid, Spain
| | - A Lloris
- Department of Otolaryngology and Head and Neck Surgery, Hospital Universitario Ramón y Cajal, Ctra. de Colmenar Viejo, Madrid, Spain
| | - M Vaca
- Department of Otolaryngology and Head and Neck Surgery, Hospital Universitario Ramón y Cajal, Ctra. de Colmenar Viejo, Madrid, Spain
| | - C Pérez
- Department of Otolaryngology and Head and Neck Surgery, Hospital Universitario Ramón y Cajal, Ctra. de Colmenar Viejo, Madrid, Spain
| | - A Cordero
- Department of Otolaryngology and Head and Neck Surgery, Hospital Universitario Ramón y Cajal, Ctra. de Colmenar Viejo, Madrid, Spain
| | - I Cobeta
- Department of Otolaryngology and Head and Neck Surgery, Hospital Universitario Ramón y Cajal, Ctra. de Colmenar Viejo, Madrid, Spain
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Villasboas-Rosciolesi D, Pérez C, Capdevila L, Ramos F, Valenti V, Garcia J. Metástasis en ciego de un cáncer lobulillar de mama diagnosticada con 18 F-FDG PET/TC. Rev Esp Med Nucl Imagen Mol 2017; 36:408. [DOI: 10.1016/j.remn.2016.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Revised: 11/08/2016] [Accepted: 11/09/2016] [Indexed: 11/15/2022]
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Villasboas-Rosciolesi D, Pérez C, Capdevila L, Ramos F, Valenti V, Garcia J. Caecal metastasis from lobular breast cancer diagnosed using 18 F-FDG PET/CT. Rev Esp Med Nucl Imagen Mol 2017. [DOI: 10.1016/j.remnie.2017.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Mulvey M, Boland E, Bouhassira D, Freynhagen R, Hardy J, Hjermstad M, Mercadante S, Pérez C, Bennett M. Neuropathic pain in cancer: systematic review, performance of screening tools and analysis of symptom profiles. Br J Anaesth 2017; 119:765-774. [DOI: 10.1093/bja/aex175] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2017] [Indexed: 11/13/2022] Open
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Pérez C, Mateos JI, Pastor C, Ferrero MÁ. Tratamiento de la artrosis trapecio-metacarpiana mediante artroplastia total tipo ARPE. Modificación técnica. Rev Iberoam Cir Mano 2017. [DOI: 10.1055/s-0037-1606715] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Se presenta un estudio prospectivo protocolizado de los resultados obtenidos tras el tratamiento quirúrgico de la artrosis trapecio-metacarpiana mediante la artroplastia total no cementada tipo ARPE®. Ciento cuarenta artroplastias tipo ARPE® fueron colocadas en 126 pacientes. Ciento treinta y dos muñecas corresponden a mujeres (94,3%) y 8 a hombres (5,7%) con una edad media de 58,1 años (rango: 39-79). Con seguimiento promedio de 53,8 meses (rango: 24-102), observamos una mejora importante del dolor según la escala analógica visual, 3 muñecas (2,1%) tiene una puntuación 4, 19 muñecas (13,6%) tiene una puntuación 3, 42 muñecas (30%) tiene una puntuación 2, 51 muñecas (36,4%) tiene una puntuación 1 y 25 muñecas (17,9%) tiene una puntuación 0. La movilidad promedio de la articulación trapecio-metacarpiana fue de 21,7º de antepulsión, 34,2º de retropulsión, abducción 31,9º y aducción 23,5º medida según los criterios de la Internacional Federation of Societies for Surgery of the Hand y una oposición según la escala de Tubiana de 7 en un 95,7% de las muñecas. El valorpromedio de la fuerza de puño fue de 26,5 kg, de la fuerza lateral de 9,2 kg y de la fuerza de pinza de 8,6 kg y conservaron la longitud normal del pulgar todas las muñecas intervenidas excepto una. La recuperación postoperatoria de los pacientes fue rápida y con mínimo dolor postoperatorio. Las complicaciones que se produjeron fueron 6 luxaciones (4,3%), una falsa vía del vástago (0,7%) y 2 fracturas del borde radial del trapecio intraoperatorias sin repercusión clínica (1,4%). Cinco de las 7 complicaciones graves, 4 luxaciones y la falsa vía del vástago metacarpiano se produjeron en los primeros 22 pacientes intervenidos (curva de aprendizaje). Las pequeñas desalineaciones de los componentes protésicos se toleran sin que exista una repercusión clínica en los pacientes, sobre todo las del vástago metacarpiano. Existe una supervivencia a medio plazo (5-8 años) del 100% de los implantes en nuestra serie. Un 92,9% expresaron estar satisfechos con la intervención y un 96,4% volvería a operarse con la misma técnica si fuera necesario. El valor medio obtenido tras la realización del cuestionario Disability of the Arm, Shoulder and Hand fue de 17,2. La evaluación a medio plazo de la artroplastia total no cementada tipo ballsocked de ARPE® confirma que puede ser una alternativa quirúrgica en la artrosis trapecio-metacarpiana tipo III de Eaton y Littler, teniendo en cuenta el período de aprendizaje.
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Affiliation(s)
- C. Pérez
- F.E.A. de Traumatología y Cirugía Ortopédica Hospital Clínico Universitario. Valladolid
| | - J. I. Mateos
- F.E.A. Cirugía Plástica y Reconstructiva Hospital Clínico Universitario. Valladolid
| | - C. Pastor
- Residente de Traumatología y Cirugía Ortopédica Hospital Clínico Universitario. Valladolid
| | - M. Á. Ferrero
- Jefe de Sección de Mano y Nervio Periférico. Profesor Titular de Traumatología y Cirugía Ortopédica de la Universidad de Valladolid
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Giustranti C, Pérez C, Rousset S, Balanzat E, Sage E. Radiosensitivity of plasmid DNA: role of topology and concentration. ACTA ACUST UNITED AC 2017. [DOI: 10.1051/jcp:1999120] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Díaz B, Nóvoa X, Pérez C, Pintos A. An interfacial adhesive analysis of repairing composite patches by electrochemical impedance spectroscopy. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.03.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Bandac I, Borjabad S, Ianni A, Nuñez-Lagos R, Pérez C, Rodríguez S, Villar JA. Ultra-low background and environmental measurements at Laboratorio Subterráneo de Canfranc (LSC). Appl Radiat Isot 2017; 126:127-129. [PMID: 28279576 DOI: 10.1016/j.apradiso.2017.02.046] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 02/24/2017] [Accepted: 02/27/2017] [Indexed: 10/20/2022]
Abstract
To support the construction of experiments at the Laboratorio Subterráneo de Canfranc (LSC) in Spain, an Ultra-Low Background Service (ULBS) and a Copper Electroforming Service (CES) were created. The measurement technique employed at the ULBS is gamma spectroscopy with high purity germanium (HPGe) detectors. A new anti-radon system is being implemented. The main goal of CES is to obtain high-purity copper pieces. A new electroforming set-up inside LSC underground clean room is planned. Radon and environmental measurements at the LSC are presented. The ULBS and CES are reviewed.
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Affiliation(s)
- I Bandac
- Laboratorio Subterráneo de Canfranc, Paseo de los Ayerbe S/N 22880 Canfranc Estación, Huesca, Spain
| | - S Borjabad
- Laboratorio Subterráneo de Canfranc, Paseo de los Ayerbe S/N 22880 Canfranc Estación, Huesca, Spain.
| | - A Ianni
- Laboratorio Subterráneo de Canfranc, Paseo de los Ayerbe S/N 22880 Canfranc Estación, Huesca, Spain
| | - R Nuñez-Lagos
- Laboratorio de Bajas Actividades (LABAC), Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - C Pérez
- Laboratorio de Bajas Actividades (LABAC), Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - S Rodríguez
- Laboratorio de Bajas Actividades (LABAC), Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - J A Villar
- Laboratorio de Bajas Actividades (LABAC), Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
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Mahé I, Chidiac J, Bertoletti L, Font C, Trujillo-Santos J, Peris M, Pérez Ductor C, Nieto S, Grandone E, Monreal M, Arcelus J, Ballaz A, Barba R, Barrón M, Barrón-Andrés B, Bascuñana J, Blanco-Molina A, Bueso T, Casado I, Culla A, de Miguel J, del Toro J, Díaz-Peromingo J, Falgá C, Fernández-Capitán C, Font C, Font L, Gallego P, García-Bragado F, García-Brotons P, Gómez V, González J, Grau E, Grimón A, Guirado L, Gutiérrez J, Hernández G, Hernández-Blasco L, Isern V, Jara-Palomares L, Jaras M, Jiménez D, Lacruz B, Lecumberri R, Lobo J, López-Jiménez L, López-Reyes R, López-Sáez J, Lorente M, Lorenzo A, Madridano O, Marchena P, Martín-Antorán J, Martín-Martos F, Monreal M, Morales M, Nauffal D, Nieto J, Nieto S, Núñez M, Otalora S, Otero R, Pagán B, Pedrajas J, Pérez C, Pérez G, Peris M, Porras J, Ramírez L, Reig O, Riera A, Rivas A, Rodríguez-Dávila M, Rosa V, Ruiz-Artacho P, Ruiz-Giménez N, Ruiz-Martínez C, Sampériz A, Sala C, Sanz O, Soler S, Sopeña B, Suarez I, Suriñach J, Tiberio G, Tolosa C, Trujillo-Santos J, Uresandi F, Valle R, Vela J, Villalta J, Malfante P, Verhamme P, Wells P, Hirmerova J, Malý R, Tomko T, Salgado E, Bertoletti L, Bura-Riviere A, Farge-Bancel D, Hij A, Mahé I, Merah A, Papadakis M, Braester A, Brenner B, Tzoran I, Apollonio A, Barillari G, Candeloro G, Ciammaichella M, Di Micco P, Ferrazzi P, Grandone E, Lessiani G, Lodigiani C, Mastroiacovo D, Pace F, Pinelli M, Prandoni P, Rota L, Tiraferri E, Tufano A, Visonà A, Belovs A, Skride A, Moreira M, Ribeiro J, Sousa M, Bosevski M, Zdraveska M, Alatri A, Bounameaux H, Calanca L, Mazzolai L, Serrano J, Decousus H, Reis A. The Clinical Course of Venous Thromboembolism May Differ According to Cancer Site. Am J Med 2017; 130:337-347. [PMID: 27884650 DOI: 10.1016/j.amjmed.2016.10.017] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 09/21/2016] [Accepted: 10/24/2016] [Indexed: 11/28/2022]
Abstract
BACKGROUND We hypothesized that the clinical course of venous thromboembolism in patients with active cancer may differ according to the specificities of primary tumor site. AIM AND METHODS We used data from RIETE (international registry of patients with venous thromboembolism) to compare the clinical venous thromboembolism-related outcomes during the course of anticoagulation in patients with one of the 4 more frequent cancers (breast, prostate, colorectal, or lung cancer). RESULTS As of September 2014, 3947 cancer patients were recruited, of whom 938 had breast, 629 prostate, 1189 colorectal, and 1191 lung cancer. Overall, 55% had metastatic disease (42%, 36%, 53%, and 72%, respectively). During the course of anticoagulant therapy (mean duration, 139 days), the rate of thromboembolic recurrences was similar to the rate of major bleeding in patients with breast (5.6 [95% confidence interval (CI), 3.8-8.1] vs 4.1 [95% CI, 2.7-5.9] events per 100 patient-years) or colorectal cancer (10 [95% CI, 7.6-13] vs 12 [95% CI, 9.4-15] per 100 patient-years). In contrast, in patients with prostate cancer, the rate of venous thromboembolic recurrences was half the rate of major bleeding (6.9 [95% CI, 4.4-10] vs 13 [95% CI, 9.2-17] events per 100 patient-years), whereas in those with lung cancer, the rate of thromboembolic recurrences was twofold higher than the rate of major bleeding (27 [95% CI, 22-23] vs 11 [95% CI, 8.6-15] per 100 patient-years). CONCLUSIONS Significant differences in the clinical profile of venous thromboembolic-related outcomes were observed according to the site of cancer. These findings suggest the development of cancer-specific anticoagulant strategies as an area for further research.
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Affiliation(s)
- Isabelle Mahé
- Department of Internal Medicine, Hôpital Louis Mourier, Investigation Network on Venous Thrombo-embolism (INNOVTE), Colombes (APHP), University Paris 7, EA REMES 7334 France.
| | - Jean Chidiac
- Department of Internal Medicine, Hôpital Louis Mourier, Investigation Network on Venous Thrombo-embolism (INNOVTE), Colombes (APHP), University Paris 7, EA REMES 7334 France
| | - Laurent Bertoletti
- Department of Vascular and Therapeutic Medicine, CHU Saint-Etienne, Hôpital Nord, French Clinical Research Infrastructure Network (F-CRIN), INNOVTE
| | - Carme Font
- Department of Medical Oncology, IDIBAPS/Translational Genomics and Targeted Therapeutics in Solid Tumors, Hospital Clinic de Barcelona, Spain
| | - Javier Trujillo-Santos
- Department of Internal Medicine, Complejo Hospitalario Universitario de Cartagena, Murcia, Spain
| | - Marisa Peris
- Department of Internal Medicine, Hospital Provincial Castellon; CEU Cardenal Herrero University, Spain
| | - Cristina Pérez Ductor
- Department of Emergency Medicine, Hospital Universitario Doctor Peset, Valencia, Spain
| | - Santiago Nieto
- Department of Haematology, Hospital de la Vega Lorenzo Guirao, Murcia, Spain
| | - Elvira Grandone
- Atherosclerosis and Thrombosis Unit, Casa Sollievo Della Sofferenza, Foggia, Italy
| | - Manuel Monreal
- Department of Internal Medicine, Hospital Universitari Germans Trias i Pujol, Badalona, Universidad Católica de Murcia, Spain
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Gayo E, Polledo L, Balseiro A, García Iglesias M, Pérez C, García Marín J. Detection of Maedi-Visna Antigen in Mammary Gland and Milk by Immunohistochemistry. J Comp Pathol 2017. [DOI: 10.1016/j.jcpa.2016.11.135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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del Castillo A, Miguel D, Perez-Garcia H, Benito M, Sanchez-Belda M, Alonso D, de Frutos J, Andrés C, Agulla M, Pérez C, Gomez M, Torres R, Lopez-Lara F. An approach to vmat on radiation therapy treatments of pelvic and paraaortic lymph nodes. Phys Med 2016. [DOI: 10.1016/j.ejmp.2016.07.166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Perez-Garcia H, del Castillo A, Miguel D, Andrés C, Agulla M, Alonso D, de Frutos J, Pérez C, Torres R. New uses hydrogel as compensation bolus and to fill air cavities. Phys Med 2016. [DOI: 10.1016/j.ejmp.2016.07.164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Bermejo-Poza R, De la Fuente J, Pérez C, Lauzurica S, González de Chávarri E, Diaz MT, Villarroel M. Reducing the effect of pre-slaughter fasting on the stress response of rainbow trout (Oncorhynchus mykiss). Anim Welf 2016. [DOI: 10.7120/09627286.25.3.339] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Copaja SV, Muñoz GS, Nuñez VR, Pérez C, Vila I, Véliz D. Effects of a Dam Reservoir on the Distribution of Heavy Metals in Two Chilean Native Freshwater Fish Species. Bull Environ Contam Toxicol 2016; 97:24-30. [PMID: 27230028 DOI: 10.1007/s00128-016-1838-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Accepted: 05/18/2016] [Indexed: 06/05/2023]
Abstract
In order to determine the effect of a dam on metal concentrations in riverine fish species, we studied fish inhabiting the influent (Cachapoal River) and effluent (Rapel River) of the Rapel Reservoir in central Chile. Heavy metals were quantified in gills, liver and muscle of the catfish Trichomycterus areolatus and the silverside Basilichthys microlepidotus. Also, the bioaccumulation index (BAI) was estimated by considering heavy metal concentrations obtained from water and sediment. Results showed the presence of Al, Cu, Fe, Mn, Pb and Zn in the fish organs. The analysis showed high metal concentrations in catfish inhabiting the influent compared to those collected in the effluent. These results indicate a possible filter effect of the dam for most of the metals identified in the fish organs, because metal concentrations decreased in the effluent. Finally, catfish exhibited a larger BAI for most metals analyzed.
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Affiliation(s)
- S V Copaja
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Santiago, Chile.
| | - G S Muñoz
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - V R Nuñez
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - C Pérez
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - I Vila
- Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - D Véliz
- Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
- Instituto de Ecología y Biodiversidad, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
- Nucleo Milenio de Ecología y Manejo Sustentable de Islas Oceánicas, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
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Acosta P, Pérez N, Pérez E, Correa B, Pérez C, Gómez C, Sánchez V, Pérez DG. Anti-inflammatory effect of dialysable leucocyte extract in a rat model of osteoarthritis: histopathological and molecular characterization. Scand J Rheumatol 2016; 45:528-535. [PMID: 27098310 DOI: 10.3109/03009742.2016.1153140] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
OBJECTIVES To evaluate the effect of dialysable leucocyte extract (DLE) on pro- and anti-inflammatory profiles in a rat model of osteoarthritis (OA). METHOD Forty-eight male Wistar rats were divided into three groups: normal rats without treatment, OA rats treated with placebo, and OA rats treated with DLE. After treatment, the animals were killed to obtain cartilage for histological analysis and to determine the expression of pro- and anti-inflammatory cytokines by reverse transcription multiplex polymerase chain reaction (RT-MPCR) and immunohistofluorescence analyses. RESULTS Histological analysis revealed that OA cartilage from rats treated with DLE displayed similar characteristics to non-OA cartilage from the control group. The OA cartilage treated with placebo showed alterations in the cellular architecture and in chondrocyte cluster formation. Analysis of cytokine expression by RT-MPCR showed that OA cartilage from DLE-treated rats expressed platelet-derived growth factor (PDGF), interferon (IFN)-γ, and fibroblast growth factor (FGF)-2, similar to non-OA cartilage from the control group. However, OA cartilage from rats treated with placebo expressed interleukin (IL)-1, PDGF, and I kappa B (IκB). Confocal immunodetection of FGF-2, PDGF, and non-phosphorylated IκB showed that they were distributed in the cytoplasm of most chondrocytes in OA cartilage from DLE-treated rats whereas no nuclear factor kappa B (NF-κB) expression was observed in the nuclei. Instead, in OA cartilage from the placebo group, only weak FGF-2 staining was observed, PDGF and IκB were not detected, and NF-κB was strongly observed in both cytoplasm and nuclei. CONCLUSIONS Our findings suggest that DLE treatment modifies the OA process, promoting the expression of anti-inflammatory cytokines and diminishing the inflammatory effects, avoiding the nuclear translocation of NF-κB in chondrocytes.
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Affiliation(s)
- P Acosta
- a Laboratory of Molecular Biomedicine , National School of Medicine and Homeopathy (ENMH), National Polytechnic Institute (IPN) , Mexico City , Mexico
| | - N Pérez
- a Laboratory of Molecular Biomedicine , National School of Medicine and Homeopathy (ENMH), National Polytechnic Institute (IPN) , Mexico City , Mexico
| | - E Pérez
- b Hospital Dr Victorio de la Fuente Narváez , Mexico City , Mexico
| | - B Correa
- c Bioexport, SA de CV , Mexico City , Mexico
| | - C Pérez
- c Bioexport, SA de CV , Mexico City , Mexico
| | - C Gómez
- a Laboratory of Molecular Biomedicine , National School of Medicine and Homeopathy (ENMH), National Polytechnic Institute (IPN) , Mexico City , Mexico
| | - V Sánchez
- a Laboratory of Molecular Biomedicine , National School of Medicine and Homeopathy (ENMH), National Polytechnic Institute (IPN) , Mexico City , Mexico
| | - D G Pérez
- a Laboratory of Molecular Biomedicine , National School of Medicine and Homeopathy (ENMH), National Polytechnic Institute (IPN) , Mexico City , Mexico
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Porta-Sales J, Pérez C, Escobar Y, Martínez V. Diagnosis and management of breakthrough cancer pain: Have all the questions been resolved? A Delphi-based consensus assessment (DOIRON). Clin Transl Oncol 2015; 18:945-54. [PMID: 26693731 DOI: 10.1007/s12094-015-1468-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 12/07/2015] [Indexed: 10/22/2022]
Abstract
OBJECTIVE To ascertain the level of agreement and achieve a consensus among cancer pain specialists in Spain with regard to the optimal definition, diagnosis, and management of breakthrough cancer pain (BTcP). DESIGN Two-round Delphi methodology survey (February-May 2013) using seven-point Likert scales (ranging from 1 "strongly disagree" to 7 "strongly agree") was carried out. Mean scores >5 or <3 indicated, respectively, agreement or disagreement. Scores from 3 to 5 indicated no consensus. RESULTS A total of 126 experienced specialists were surveyed. Response rates were 68 % in round 1 and 90 % in round 2. Agreement (mean Likert score) was strongest for the proposed BTcP definition (6.6), the use of oral (6.1), and intranasal (6.0) transmucosal fentanyl, the need for early assessment after BTcP treatment initiation, and the need to improve staff knowledge of BTcP. Broad agreement was also reached regarding the need to systematically screen all cancer patients for BTcP (5.9). Most respondents (82 %) considered strong opioids to be appropriate treatment. In contrast, no consensus was reached regarding strong opioid treatment for baseline pain as a prerequisite for BTcP diagnosis. CONCLUSIONS Consensus was strong for most treatment, and diagnostic aspects were evaluated in the study. However, several important issues remain unresolved, particularly whether the diagnostic criteria must include strong opioids for background pain. Nurses' awareness and understanding of BTcP was considered insufficient, and more training is needed in this area. Overall, agreement among specialists was good, but more work is needed to better define the optimal diagnostic features and treatments for this condition.
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Affiliation(s)
- J Porta-Sales
- Palliative Care Service, Institut Català d'Oncologia (ICO), Bellvitge Biomedical Research Institute (IDIBELL), WeCare Chair: End of Life Care, Institut Català d'Oncologia, Barcelona, Spain
| | - C Pérez
- Pain Clinic, Hospital Universitario de la Princesa, C/Diego de León 62, 28002, Madrid, Spain
| | - Y Escobar
- Department of Medical Oncology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
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Suardíaz R, Pérez C, Crespo-Otero R, García de la Vega JM, Fabián JS. Influence of Density Functionals and Basis Sets on One-Bond Carbon-Carbon NMR Spin-Spin Coupling Constants. J Chem Theory Comput 2015; 4:448-56. [PMID: 26620785 DOI: 10.1021/ct7003287] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The basis set and the functional dependence of one-bond carbon-carbon NMR spin-spin coupling constants (SSCC) have been analyzed using density functional theory. Four basis sets (6-311G**, TZVP, EPR-III, and aug-cc-pVTZ-J) and four functionals (PBE, PW91, B3LYP, and B3P86) are tested by comparison with 70 experimental values corresponding to 49 molecules that represent multiple types of hybridization of the carbon atoms. The two hybrid functionals B3P86 and B3LYP combined either EPR-III or aug-cc-pVTZ-J basis sets lead to the best accuracy of calculated SSCC. However, a simple linear regression allows for the obtaining of scaled coupling constants that fit much better with the experimental data and where the differences between the different basis sets and/or functional results are significantly reduced. For large molecules the TZVP basis set can be an appropriate election presenting a good compromise between quality of results and computational cost.
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Affiliation(s)
- R Suardíaz
- Departmento de Química Física, Facultad de Química, Universidad de la Habana, La Habana 10400, Cuba, and Departmento de Química Física Aplicada, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - C Pérez
- Departmento de Química Física, Facultad de Química, Universidad de la Habana, La Habana 10400, Cuba, and Departmento de Química Física Aplicada, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - R Crespo-Otero
- Departmento de Química Física, Facultad de Química, Universidad de la Habana, La Habana 10400, Cuba, and Departmento de Química Física Aplicada, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - José M García de la Vega
- Departmento de Química Física, Facultad de Química, Universidad de la Habana, La Habana 10400, Cuba, and Departmento de Química Física Aplicada, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Jesús San Fabián
- Departmento de Química Física, Facultad de Química, Universidad de la Habana, La Habana 10400, Cuba, and Departmento de Química Física Aplicada, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
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Cañeque V, Pérez C, Velasco S, Dı X0301 Az MT, Lauzurica S, Alvarez I, Ruiz de Huidobro F, Onega E, De la Fuente J. Carcass and meat quality of light lambs using principal component analysis. Meat Sci 2015; 67:595-605. [PMID: 22061809 DOI: 10.1016/j.meatsci.2004.01.002] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2003] [Revised: 12/05/2003] [Accepted: 01/05/2004] [Indexed: 10/26/2022]
Abstract
Eighty-six male light lambs of Manchego breed were used in this study. Principal component (PC) analysis was performed to study the relationship between carcass quality variables (n=22) and between meat quality measures (n=21). The carcass quality was assessed using objective and subjective measurements of conformation and fatness besides the joints proportion and tissues proportion of the leg. The measurements used to evaluate meat quality were pH in longissimus dorsi and semitendinosus muscles, the colour, moisture, water holding capacity, cooking losses, texture and sensorial analysis on longissimus dorsi. The five first PCs explained about 77% of the total variability for carcass measures whereas for meat quality the 74% of the total variability was explained for the eight first PCs. All the carcass measurements showed similar weight to define the first PC, whereas the muscle and bone proportion as well as muscle:bone ratio of the leg were useful to define the second PC. The meat quality measures that were more effective to define the first PC were the meat colour measurements, whereas the sensorial variables defined the second PC. The projection of the carcass quality data in the first two PCs allowed to distinguish clearly between heavier carcasses (higher than 6.5 kg) and lighter carcasses (lower than 5.5 kg). The carcasses with a weight higher than 6.5 kg were on the left side of the figure, where the variables of conformation and fatness lie. The group of medium carcass weight were placed between the two previous groups. The projection of the meat quality data in the first two PCs did not differ between hot carcass weights, although there was a trend, the lighter carcasses lay on the left side of the graph, which implies small differences between meat quality in this range of carcass weight.
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Affiliation(s)
- V Cañeque
- Departamento de Tecnologı́a de los alimentos, Instituto Nacional de Investigación y Tecnologı́a Agraria y Alimentaria, Carretera de la Coruña km 7.5, 28040 Madrid, Spain
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Saavedra-Lozano J, Calvo C, Huguet Carol R, Rodrigo C, Núñez E, Pérez C, Merino R, Rojo P, Obando I, Downey F, Colino E, García J, Cilleruelo M, Torner F, García L. Documento de Consenso SEIP-SERPE-SEOP sobre etiopatogenia y diagnóstico de la osteomielitis aguda y artritis séptica no complicadas. An Pediatr (Barc) 2015; 83:216.e1-10. [DOI: 10.1016/j.anpedi.2014.08.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 08/18/2014] [Indexed: 10/24/2022] Open
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Novas Vidal P, Fernandez S, Galve E, Arrazubi V, Sala M, Torre I, Arevalo A, Arango J, López de San Vicente B, Pérez C, Zumárraga A, Abad M, Garcia M, Marínez M. 1918 Impact of an osteoporosis unit in the incidence of fractures in early breast cancer patients with aromatase inhibitors. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30867-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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46
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Saavedra-Lozano J, Calvo C, Huguet Carol R, Rodrigo C, Núñez E, Obando I, Rojo P, Merino R, Pérez C, Downey FJ, Colino E, García JJ, Cilleruelo MJ, Torner F, García L. [Response to the letter to the editor from SEOP as regards the SEIP-SERPE-SEOP consensus document on the treatment of uncomplicated acute osteomyelitis and septic arthritis]. An Pediatr (Barc) 2015; 83:224. [PMID: 26318251 DOI: 10.1016/j.anpedi.2015.07.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 07/06/2015] [Indexed: 10/23/2022] Open
Affiliation(s)
| | - C Calvo
- Sociedad Española de Infectología Pediátrica (SEIP); Sociedad Española de Reumatología Pediátrica (SERPE)
| | | | - C Rodrigo
- Sociedad Española de Infectología Pediátrica (SEIP)
| | - E Núñez
- Sociedad Española de Infectología Pediátrica (SEIP); Sociedad Española de Reumatología Pediátrica (SERPE)
| | - I Obando
- Sociedad Española de Infectología Pediátrica (SEIP)
| | - P Rojo
- Sociedad Española de Infectología Pediátrica (SEIP)
| | - R Merino
- Sociedad Española de Reumatología Pediátrica (SERPE)
| | - C Pérez
- Sociedad Española de Infectología Pediátrica (SEIP)
| | - F J Downey
- Sociedad Española de Ortopedia Pediátrica (SEOP)
| | - E Colino
- Sociedad Española de Infectología Pediátrica (SEIP)
| | - J J García
- Sociedad Española de Infectología Pediátrica (SEIP)
| | | | - F Torner
- Sociedad Española de Ortopedia Pediátrica (SEOP)
| | - L García
- Sociedad Española de Infectología Pediátrica (SEIP)
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47
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Gallardo C, Nieto R, Soler A, Pelayo V, Fernández-Pinero J, Markowska-Daniel I, Pridotkas G, Nurmoja I, Granta R, Simón A, Pérez C, Martín E, Fernández-Pacheco P, Arias M. Assessment of African Swine Fever Diagnostic Techniques as a Response to the Epidemic Outbreaks in Eastern European Union Countries: How To Improve Surveillance and Control Programs. J Clin Microbiol 2015; 53:2555-65. [PMID: 26041901 PMCID: PMC4508403 DOI: 10.1128/jcm.00857-15] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2015] [Accepted: 05/22/2015] [Indexed: 11/20/2022] Open
Abstract
This study represents a complete comparative analysis of the most widely used African swine fever (ASF) diagnostic techniques in the European Union (EU) using field and experimental samples from animals infected with genotype II ASF virus (ASFV) isolates circulating in Europe. To detect ASFV, three different PCRs were evaluated in parallel using 785 field and experimental samples. The results showed almost perfect agreement between the Universal ProbeLibrary (UPL-PCR) and the real-time (κ = 0.94 [95% confidence interval {CI}, 0.91 to 0.97]) and conventional (κ = 0.88 [95% CI, 0.83 to 0.92]) World Organisation for Animal Health (OIE)-prescribed PCRs. The UPL-PCR had greater diagnostic sensitivity for detecting survivors and allows earlier detection of the disease. Compared to the commercial antigen enzyme-linked immunosorbent assay (ELISA), good-to-moderate agreement (κ = 0.67 [95% CI, 0.58 to 0.76]) was obtained, with a sensitivity of 77.2% in the commercial test. For ASF antibody detection, five serological methods were tested, including three commercial ELISAs, the OIE-ELISA, and the confirmatory immunoperoxidase test (IPT). Greater sensitivity was obtained with the IPT than with the ELISAs, since the IPT was able to detect ASF antibodies at an earlier point in the serological response, when few antibodies are present. The analysis of the exudate tissues from dead wild boars showed that IPT might be a useful serological tool for determining whether or not animals had been exposed to virus infection, regardless of whether antibodies were present. In conclusion, the UPL-PCR in combination with the IPT was the most trustworthy method for detecting ASF during the epidemic outbreaks affecting EU countries in 2014. The use of the most appropriate diagnostic tools is critical when implementing effective control programs.
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Affiliation(s)
- C Gallardo
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | - R Nieto
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | - A Soler
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | - V Pelayo
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | - J Fernández-Pinero
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | | | - G Pridotkas
- National Food and Veterinary Risk Assessment Institute, Vilnius, Lithuania
| | - I Nurmoja
- Estonian Veterinary and Food Laboratory, Tartu, Estonia
| | - R Granta
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - A Simón
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | - C Pérez
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | - E Martín
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | - P Fernández-Pacheco
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
| | - M Arias
- European Union Reference Laboratory for African Swine Fever (EURL), Centro de Investigación en Sanidad Animal, CISA/INIA, Valdeolmos, Madrid, Spain
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Gallardo C, Fernández-Pinero J, Pelayo V, Gazaev I, Markowska-Daniel I, Pridotkas G, Nieto R, Fernández-Pacheco P, Bokhan S, Nevolko O, Drozhzhe Z, Pérez C, Soler A, Kolvasov D, Arias M. Genetic variation among African swine fever genotype II viruses, eastern and central Europe. Emerg Infect Dis 2015; 20:1544-7. [PMID: 25148518 PMCID: PMC4178389 DOI: 10.3201/eid2009.140554] [Citation(s) in RCA: 167] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
African swine fever virus (ASFV) was first reported in eastern Europe/Eurasia in 2007. Continued spread of ASFV has placed central European countries at risk, and in 2014, ASFV was detected in Lithuania and Poland. Sequencing showed the isolates are identical to a 2013 ASFV from Belarus but differ from ASFV isolated in Georgia in 2007.
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Díaz I, Pérez C, Alfaro N, Fdz-Polanco F. A feasibility study on the bioconversion of CO2 and H2 to biomethane by gas sparging through polymeric membranes. Bioresour Technol 2015; 185:246-53. [PMID: 25770473 DOI: 10.1016/j.biortech.2015.02.114] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 02/25/2015] [Accepted: 02/27/2015] [Indexed: 05/07/2023]
Abstract
In this study, the potential of a pilot hollow-fiber membrane bioreactor for the conversion of H2 and CO2 to CH4 was evaluated. The system transformed 95% of H2 and CO2 fed at a maximum loading rate of 40.2 [Formula: see text] and produced 0.22m(3) of CH4 per m(3) of H2 fed at thermophilic conditions. H2 mass transfer to the liquid phase was identified as the limiting step for the conversion, and kLa values of 430h(-1) were reached in the bioreactor by sparging gas through the membrane module. A simulation showed that the bioreactor could upgrade biogas at a rate of 25m(3)/mR(3)d, increasing the CH4 concentration from 60 to 95%v. This proof-of-concept study verified that gas sparging through a membrane module can efficiently transfer H2 from gas to liquid phase and that the conversion of H2 and CO2 to biomethane is feasible on a pilot scale at noteworthy load rates.
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Affiliation(s)
- I Díaz
- Department of Chemical Engineering and Environmental Technology, Escuela de Ingenierías Industriales, Sede Dr. Mergelina, University of Valladolid, Dr. Mergelina s/n, 47011 Valladolid, Spain.
| | - C Pérez
- Department of Process Engineering, Ros Roca Indox Cryo Energy S.L., Spain
| | - N Alfaro
- Department of Chemical Engineering and Environmental Technology, Escuela de Ingenierías Industriales, Sede Dr. Mergelina, University of Valladolid, Dr. Mergelina s/n, 47011 Valladolid, Spain
| | - F Fdz-Polanco
- Department of Chemical Engineering and Environmental Technology, Escuela de Ingenierías Industriales, Sede Dr. Mergelina, University of Valladolid, Dr. Mergelina s/n, 47011 Valladolid, Spain
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50
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Saavedra-Lozano J, Calvo C, Huguet Carol R, Rodrigo C, Núñez E, Obando I, Rojo P, Merino R, Pérez C, Downey F, Colino E, García J, Cilleruelo M, Torner F, García L. SEIP–SERPE–SEOP Consensus document on the treatment of uncomplicated acute osteomyelitis and septic arthritis. Anales de Pediatría (English Edition) 2015. [DOI: 10.1016/j.anpede.2014.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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