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Dendritic cell deficiencies persist seven months after SARS-CoV-2 infection

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Cellular & Molecular Immunology 2021年第9期18卷 2128-2139页

作者： Alberto Pérez-Gómez Joana Vitallé Carmen Gasca-Capote Alicia gutierrez-Valencia María Trujillo-Rodriguez Ana Serna-Gallego Esperanza Muñoz-Muela María de los Reyes Jiménez-Leon Mohamed Rafii-El-Idrissi Benhnia Inmaculada Rivas-Jeremias Cesar Sotomayor Cristina Roca-Oporto Nuria Espinosa Carmen Infante-Domínguez Juan Carlos Crespo-Rivas Alberto Fernández-Villar Alexandre Pérez-González Luis Fernando López-Cortés Eva Poveda Ezequiel Ruiz-Mateos JoséMiguel Cisneros Sonsoles Salto-Alejandre Judith Berastegui-Cabrera Pedro Camacho-Martínez Carmen Infante-Domínguez Marta Carretero-Ledesma Juan Carlos Crespo-Rivas Eduardo Márquez Josémanuel Lomas Claudio Bueno Rosario Amaya JoséAntonio Lepe Jerónimo Pachón Elisa Cordero Javier Sánchez-Céspedes manuela Aguilar-Guisado Almudena Aguilera Clara Aguilera Teresa Aldabo-Pallas Verónica Alfaro-Lara Cristina Amodeo Javier Ampuero María Dolores Avilés Maribel Asensio Bosco Barón-Franco Lydia Barrera-Pulido Rafael Bellido-Alba Máximo Bernabeu-Wittel Candela Caballero-Eraso Macarena Cabrera Enrique Calderón Jesús Carbajal-Guerrero manuela Cid-Cumplido Yael Corcia-Palomo Juan Delgado Antonio Domínguez-Petit Alejandro Deniz Reginal Dusseck-Brutus Ana Escoresca-Ortega Fátima Espinosa Nuria Espinosa Michelle Espinoza Carmen Ferrándiz-Millón Marta Ferrer Teresa Ferrer Ignacio Gallego-Texeira Rosa Gámez-Mancera Emilio garcía Horacio garcía-Delgado manuel garcía-gutiérrez María Luisa Gascón-Castillo Aurora González-Estrada Demetrio González Carmen Gómez-González Rocío González-León Carmen Grande-Cabrerizo Sonia gutiérrez Carlos Hernández-Quiles Inmaculada Concepción Herrera-Melero Marta Herrero-Romero Luis Jara Carlos Jiménez-Juan Silvia Jiménez-Jorge Mercedes Jiménez-Sánchez Julia Lanseros-Tenllado Carmina López Isabel López Álvaro López-Barrios Luis F.López-Cortés Rafael Luque-Márquez Daniel Macías-garcía Guillermo Martín-gutiérrez Luis Martín-Villén JoséMolina Aurora Morillo María Dolores Navarro-Amuedo Dolores Nieto-Martín Francisco Ortega María Paniagua-garcía Amelia Peña-Rodríguez E Clinical Unit of Infectious Diseases Microbiology and Preventive MedicineInstitute of Biomedicine of Seville(IBiS)Virgen del Rocío University HospitalCSICUniversity of SevilleSevilleSpain Department of Medical Biochemistry Molecular Biologyand ImmunologySchool of MedicineUniversity of SevilleSevilleSpain Pneumology Service Galicia Sur Health Research Instituto(IIS Galicia Sur)SERGAS-UVigoVigoSpain Infectious Diseases Unit Department of Internal MedicineComplexo HospitalarioUniversitario de VigoIIS Galicia SurSERGAS-UVigoVigoSpain Group of Virology and Pathogenesis Galicia Sur Health Research Institute(IIS Galicia Sur)-Complexo Hospitalario Universitario de VigoSERGAS-UVigoVigoSpain Unit of Infectious Diseases Microbiologyand Preventive MedicineVirgen del Rocío University HospitalSevilleSpain Institute of Biomedicine of Seville(IBiS) Virgen del Rocío University Hospital/CSIC/University of SevilleSevilleSpain Medico-Surgical Unit of Respiratory Diseases Virgen del Rocío University HospitalSevilleSpain Unit of Emergencies Virgen del Rocío University HospitalSevilleSpain Intensive Care Unit Virgen del Rocío University HospitalSevilleSpain Department of Medicine University of SevilleSevilleSpain Cardiology and Cardiovascular Surgery Unit Virgen del Rocío University HospitalSevilleSpain Rheumatology Unit Virgen del Rocío University HospitalSevilleSpain Internal Medicine Unit Virgen del Rocío University HospitalSevilleSpain Digestive and Hepatobiliary Unit Virgen del Rocío University HospitalSevilleSpain Neurology and Clinical Neurophysiology Unit Virgen del Rocío University HospitalSevilleSpain Endocrinology and Nutrition Unit Virgen del Rocío University HospitalSevilleSpain Urology and Nephrology Unit Virgen del Rocío University HospitalSevilleSpain Unit of Clinical Investigation and Clinical Trials Virgen del Rocío University HospitalSevilleSpain

Severe Acute Respiratory Syndrome Coronavirus(SARS-CoV)-2 infection induces an exacerbated inflammation driven by innate immunity *** cells(DCs)play a key role in the defense against viral infections,for instance plasmacytoid DCs(pDCs),have the capacity to produce vast amounts of interferon-alpha(IFN-α).In COVID-19 there is a deficit in DC numbers and IFN-αproduction,which has been associated with disease *** this work,we described that in addition to the DC deficiency,several DC activation and homing markers were altered in acute COVID-19 patients,which were associated with multiple inflammatory ***,previously hospitalized and nonhospitalized patients remained with decreased numbers of CD1c+myeloid DCs and pDCs seven months after SARS-CoV-2 ***,the expression of DC markers such as CD86 and CD4 were only restored in previously nonhospitalized patients,while no restoration of integrinβ7 and indoleamine 2,3-dyoxigenase(IDO)levels were *** findings contribute to a better understanding of the immunological sequelae of COVID-19.

关键词： SARS-CoV-2 COVID-19 Dendritic cell Long-COVID

Beyond neurodegeneration:engineering amyloids for biocatalysis

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Neural Regeneration Research 2025年第10期20卷 2915-2916页

作者： Andrea Bartolomé-Nafría Javier garcía-Pardo Salvador Ventura Institut de Biotecnologia i de Biomedicina(IBB)and Departament de Bioquímica i Biologia Molecular Universitat Autònoma de BarcelonaBellaterraBarcelonaSpain Hospital Universitari Parc Taulí Institut d’Investigaciói InnovacióParc Taulí(I3PT-CERCA)Universitat Autònoma de BarcelonaSabadellSpain

Amyloid fibrils are highly organized protein or peptide aggregates,often characterized by a distinctive supramolecular cross-β-sheet *** formation and accumulation of these structures have been traditionally associated with neural or systemic human diseases,such as Alzheimer’s disease,Parkinson’s disease,type-2 diabetes,or amyotrophic lateral sclerosis(Wei et al.,2017;Wittung-Stafshede,2023).

关键词： structure amyloid

The emerging role of mesenchymal stem cell-derived extracellular vesicles to ameliorate hippocampal NLRP3 inflammation induced by binge-like ethanol treatment in adolescence

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Neural Regeneration Research 2025年第4期20卷 1153-1163页

作者： Susana Mellado María JoséMorillo-Bargues Carla Perpiñá-Clérigues Francisco garcía-garcía Victoria Moreno-Manzano Consuelo Guerri María Pascual Department of Physiology School of Medicine and DentistryUniversity of ValenciaValenciaSpain Bioinformatics and Biostatistics Unit Príncipe Felipe Research CenterValenciaSpain Neuronal and Tissue Regeneration Laboratory Príncipe Felipe Research CenterValenciaSpain

Our previous studies have reported that activation of the NLRP3(NOD-,LRR-and pyrin domain-containing protein 3)-inflammasome complex in ethanol-treated astrocytes and chronic alcohol-fed mice could be associated with neuroinflammation and brain *** stem cell-derived extracellular vesicles(MSC-EVs)have been shown to restore the neuroinflammatory response,along with myelin and synaptic structural alterations in the prefrontal cortex,and alleviate cognitive and memory dysfunctions induced by binge-like ethanol treatment in adolescent *** the therapeutic role of the molecules contained in mesenchymal stem cell-derived extracellular vesicles,the present study analyzed whether the administration of mesenchymal stem cell-derived extracellular vesicles isolated from adipose tissue,which inhibited the activation of the NLRP3 inflammasome,was capable of reducing hippocampal neuroinflammation in adolescent mice treated with binge *** demonstrated that the administration of mesenchymal stem cell-derived extracellular vesicles ameliorated the activation of the hippocampal NLRP3 inflammasome complex and other NLRs inflammasomes(e.g.,pyrin domain-containing 1,caspase recruitment domain-containing 4,and absent in melanoma 2,as well as the alterations in inflammatory genes(interleukin-1β,interleukin-18,inducible nitric oxide synthase,nuclear factor-kappa B,monocyte chemoattractant protein-1,and C–X3–C motif chemokine ligand 1)and miRNAs(miR-21a-5p,miR-146a-5p,and miR-141-5p)induced by binge-like ethanol treatment in adolescent *** analysis further revealed the involvement of miR-21a-5p and miR-146a-5p with inflammatory target genes and NOD-like receptor signaling *** together,these findings provide novel evidence of the therapeutic potential of MSC-derived EVs to ameliorate the hippocampal neuroinflammatory response associated with NLRP3 inflammasome activation induced by binge drinking in adolescence.

关键词： adolescence binge-like ethanol treatment extracellular vesicles hippocampus mesenchymal stem cells neuroinflammation NOD-,LRR-and pyrin domain-containing protein 3(NLRP3)

A Protocol for Fractal Studies on Porosity of Porous Media: High Quality Soil Porosity Images

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Journal of Earth Science 2017年第5期28卷 888-896页

作者： Carlos garcía-gutiérrez Fernando San José Martínez J.Caniego Dpto.Matemática Aplicada E.T.S.I.Navales Universidad Politécnica de Madrid Dpto.Matemática Aplicada E.T.S.I.Agrónomos Universidad Politécnica de Madrid

A protocol for obtaining digital images from natural porous media with a wide range of pore sizes, intended for fractal studies of the porosity, is proposed. Soil porosity is used as para- digm of complex natural porous media in this study. The use of several imaging devices and fluores- cent compounds to enhance the contrast between the solid and the pore phase is tested. Finally a protocol is reached using a photo camera and a confocal microscope. It is the first time that confocal microscopy is used for this purpose. Artificial porous images are created through random Sierpinski carpet fractals and the statistical information of real soil images. These ground truth images are used in an objective comparison of automatic segmentation algorithms for the obtained images. A statistical classification on the performance of several automatic segmentation algorithms for this tv^e of images is reached.

关键词： porous media micromorphology image segmentation confocal microscope fractal,porosity photography.

Effect of logging on rodent scatter-hoarding dynamics in tropical forests:implications for plant recruitment

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Integrative Zoology 2011年第2期6卷 74-80页

作者： Gabriel gutiérrez-GRANADOS Department of Zoology Institute of BiologyNational Autonomous University of MexicoMexico DFMexico

The present study tested the hypothesis that logging affects the scatter-hoarding behavior of rodents,which,in turn,negatively affects the quantity and quality of Pouteria campechiana(Sapotaceae)seed dispersal.A series of seed stations was established in logged and unlogged forests of ejido Senor,Yucatan Peninsula,and comparisons were made between logged and unlogged forests in terms of:(i)seed removal;(ii)number of seeds hoarded;(iii)hoarding distance;and(iv)the number of recruits and the survival of hoarded *** number of both hoarded and removed seeds was significantly higher in unlogged ***,the mean distance of hoarding was greater in unlogged compared with logged *** recruitment and survival were present in both logged and unlogged sites,there were more surviving seedlings in unlogged *** data indicate that both the quantity and quality of seed dispersal are negatively affected by logging because of a change in the rodent scatter-hoarding *** changes suggest that plant-animal interactions are crucial to the understanding of the ecology and conservation of managed tropical forests.

关键词： Dasyprocta punctata seed caching timber extraction Yucatan Peninsula

A building energy models calibration methodology based on inverse modelling approach

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Building Simulation 2022年第11期15卷 1883-1898页

作者： Vicente gutiérrez González Carlos Fernández Bandera Installations construction and structuresSchool of ArchitectureUniversity of NavarraCampus UniversitarioPamplona31009NavarraSpain

Nowadays,building energy models(BEMs)are widely used,particularly in the assessment of energy consumption in buildings to address the potential savings that can be *** realisation of a dynamic energy model based on high-fidelity physics(white-box models)requires a tuning process to fit the model to reality,due to many uncertainties *** some research trends try to reduce this performance gap by modulating different types of experimental parameters such as:capacitances or *** EnergyPlus simulation software,in its latest versions,has implemented an object:HybridModel:Zone that calculates the infiltration and internal mass of buildings using an inverse modelling approach that employs only the measured indoor temperature data to invert the heat balance equation for the zone under *** main objective of this paper is to reduce the execution time and uncertainties in the development of quality energy models by generating a new calibration methodology that implements this *** uses,as a starting point,a research created by the authors of this study,which was empirically and comparatively validated against the energy models developed by the participants in Annex *** is also worth highlighting the empirical validation of the HybridModel:Zone object,since it was activated in all scenarios where its execution is possible:periods of seven days or more of free oscillation and periods in which the building is under *** findings are *** data generated with the new methodology,if compared with those produced by the baseline model,improve their resemblance to the real ones by 22.9%.While those of its predecessor did it by 15.6%.For this study,the two dwellings foreseen in Annex 58 of the IEA ECB project have been modelled and their real monitoring data have been used.

关键词： internal thermal mass energy simulation EnergyPlus inverse model Annex 58 infiltration

Alcohol liver disease: A review of current therapeutic approaches to achieve long-term abstinence

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World Journal of Gastroenterology 2015年第28期21卷 8516-8526页

作者： María Luisa gutiérrez garcía Sara Blasco-Algora Conrado M Fernández-Rodríguez Service of Gastroenterology Hospital Universitario Fundación

Harmful alcohol drinking may lead to significant damage on any organ or system of the *** liver disease(ALD) is the most prevalent cause of advanced liver disease in *** ALD,only alcohol abstinence was associated with a better long-term ***,current effective therapeutic strategy should be oriented towards achieving alcohol abstinence or a significant reduction in alcohol *** all primary care patients to detect those cases with alcohol abuse has been proposed as population-wide preventive intervention in primary *** has been suggested that in patients with mild alcohol use disorder the best approach is brief intervention in the primary care setting with the ultimate goal being abstinence,whereas patients with moderate-to-severe alcohol use disorder must be referred to specialized care where detoxification and medical treatment of alcohol dependence must be undertaken.

关键词： Alcohol use disorders Alcoholic liver disease Alcohol abstinence Alcohol withdrawal syndrome Alcohol dependence

Summing Boolean Algebras

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Acta Mathematica Sinica,English Series 2004年第5期20卷 949-960页

作者： Antonio AIZPURU Antonio guti■rrez-D■VILA Departamento de Matemáticas Universidad de CádizApdo4011510-Puerto Real(Cádiz)Spain

In this paper we will study some families and subalgebras■of■(N)that let us character- ize the unconditional convergence of series through the weak convergence of subseries ∑_(i∈A)x_i,A∈(?). As a consequence,we obtain a new version of the Orlicz Pettis theorem,for Banach *** also study some relationships between algebraic properties of Boolean algebras and topological properties of the corresponding Stone spaces.

关键词： Unconditionally convergent series (weak)Summation Orlicz Pettis theorem Boolean Algebras

Prevalence of occult hepatitis B virus infection

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World Journal of Gastroenterology 2011年第12期17卷 1538-1542页

作者： Maria Luisa gutiérrez-garcía Conrado M Fernandez-Rodriguez Jose Luis Lledo-Navarro Ingrid Buhigas-garcia Service of Gastroenterology Hospital Universitario Fundación AlcorcónAv Budapest-128922 AlcorcónMadridSpain

Occult hepatitis B virus(HBV) infection(OBI) is characterized by the persistence of HBV DNA in the liver tissue in individuals negative for the HBV surface *** prevalence of OBI is quite variable depending on the level of endemic disease in different parts of the world,the different assays utilized in the studies,and the different populations *** studies have been carried out on OBI prevalence in different areas of the world and categories of *** studies show that OBI prevalence seems to be higher among subjects at high risk for HBV infection and with liver disease than among individuals at low risk of infection and without liver disease.

关键词： Occult hepatitis B virus infection Hepatitis B virus DNA Anti-HBc Hepatitis B virus seronegative Hepatitis C Crytogenetic hepatitis Dialysis Human immunodeficiency virus Blood donors