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Differential response of injured and healthy retinas to syngeneic and allogeneic transplantation of a clonal cell line of immortalized olfactory ensheathing glia:a double-edged sword

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Neural Regeneration Research 2025年第8期20卷 2395-2407页

作者： María Norte-Muñoz María Portela-Lomba Paloma Sobrado-Calvo Diana Simón Johnny Di Pierdomenico Alejandro gallego-Ortega Mar Pérez jos.MCabrera-Maqueda Javier Sierra Manuel Vidal-Sanz María Teresa Moreno-Flores Marta Agudo-Barriuso Grupo de Investigación Oftalmología Experimental Departamento de OftalmologíaOptometríaOtorrinolaringología y Anatomía PatológicaFacultad de MedicinaUniversidad de MurciaInstituto Murciano de Investigación Biosanitaria(IMIB)Campus de Ciencias de la SaludMurciaSpain Experimental Sciences Faculty Universidad Francisco de VitoriaPozuelo de AlarcónMadridSpain Anatomy Histology and Neuroscience DepartmentMedicine FacultyUniversidad Autónoma de MadridMadridSpain Center of Neuroimmunology Service of NeurologyLaboratory of Advanced Imaging in Neuroimmunological DiseasesHospital Clínic of BarcelonaInstitut d’Investigacions Biomèdiques August Pi i Sunyer(IDIBAPS)and Universitat de BarcelonaBarcelonaSpain Medicine Faculty Universidad Francisco de VitoriaPozuelo de AlarcónMadridSpain

Olfactory ensheathing glia promote axonal regeneration in the mammalian central nervous system,including retinal ganglion cell axonal growth through the injured optic ***,it is unknown whether olfactory ensheathing glia also have neuroprotective *** ensheathing glia express brain-derived neurotrophic factor,one of the best neuroprotectants for axotomized retinal ganglion ***,we aimed to investigate the neuroprotective capacity of olfactory ensheating glia after optic nerve *** ensheathing glia cells from an established rat immortalized clonal cell line,TEG3,were intravitreally injected in intact and axotomized retinas in syngeneic and allogeneic mode with or without microglial inhibition or immunosuppressive *** and gene expression analyses were *** bulb-derived primary olfactory ensheathing glia and TEG3 express major histocompatibility complex classⅡ*** and syngenically transplanted TEG3 cells survived in the vitreous for up to 21 days,forming an *** axotomized retinas,only the allogeneic TEG3 transplant rescued retinal ganglion cells at 7 days but not at 21 *** these retinas,microglial anatomical activation was higher than after optic nerve crush *** intact retinas,both transplants activated microglial cells and caused retinal ganglion cell death at 21 days,a loss that was higher after allotransplantation,triggered by pyroptosis and partially rescued by microglial inhibition or ***,neuroprotection of axotomized retinal ganglion cells did not improve with these *** different neuroprotective properties,different toxic effects,and different responses to microglial inhibitory treatments of olfactory ensheathing glia in the retina depending on the type of transplant highlight the importance of thorough preclinical studies to explore these variables.

关键词： cell therapy immune recognition major histocompatibility complex class II(MHCII) neuroprotection olfactory ensheathing glia retinal ganglion cells

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The Study of Carbamoyl Phosphate Synthetase 1 Deficiency Sheds Light on the Mechanism for Switching On/Off the Urea Cycle

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Journal of Genetics and Genomics 2015年第5期42卷 249-260页

作者： Carmen Díez-Fernández jos. gallego Johannes H?berle Javier Cervera Vicente Rubio Institute for Biomedicine of Valencia of the Spanish Research Council Medical School of the Catholic University of Valencia University Children's Hospital Zurich and Children's Research Center Centre for Biomedical Networking Research on Rare Diseases of the Carlos Ⅲ Health Institute

Carbamoyl phosphate synthetase i （CPS1） deficiency （CPS1D） is an inborn error of the urea cycle having autosomal （2q34） recessive inheritance that can cause hyperammonemia and neonatal death or mental retardation. We analyzed the effects on CPS1 activity, kinetic parameters and enzyme stability of missense mutations reported in patients with CPS1 deficiency that map in the 20-kDa C-terminal domain of the enzyme. This domain turns on or off the enzyme depending on whether the essential allosteric activator of CPS 1, N-acetyl- L-glutamate （NAG）, is bound or is not bound to it. To carry out the present studies, we exploited a novel system that allows the expression in vitro and the purification of human CPS1, thus permitting site-directed mutagenesis. These studies have clarified disease causation by individual mutations, identifying functionally important residues, and revealing that a number of mutations decrease the affinity of the enzyme for NAG. Patients with NAG affinity-decreasing mutations might benefit from NAG site saturation therapy with N-carbamyl-L- glutamate （a registered drug, the analog of NAG）. Our results, together with additional present and prior site-directed mutagenesis data for other residues mapping in this domain, suggest an NAG-triggered conformational change in the 134-~4 loop of the C-terminal domain of this enzyme. This change might be an early event in the NAG activation process. Molecular dynamics simulations that were restrained according to the observed effects of the mutations are consistent with this hypothesis, providing further backing for this structurally plausible signaling mechanism by which NAG could trigger urea cycle activation via CPS1.

关键词： Urea cycle diseases Inborn errors Hyperammonemia Site-directed mutagenesis Restrained molecular dynamics Allosteric regulation Carbamoyl phosphate synthetase 1 Enzyme

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Testing for Deterministic Components in Vector Seasonal Time Series

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Open Journal of Statistics 2011年第3期1卷 145-150页

作者： jos. Luis gallego Carlos Díaz 不详

Certain locally optimal tests for deterministic components in vector time series have associated sampling distributions determined by a linear combination of Beta variates. Such distributions are nonstandard and must be tabulated by Monte Carlo simulation. In this paper, we provide closed form expressions for the mean and variance of several multivariate test statistics, moments that can be used to approximate unknown distributions. In particular, we find that the two-moment Inverse Gaussian approximation provides a simple and fast method to compute accurate quantiles and p-values in small and asymptotic samples. To illustrate the scope of this approximation we review some standard tests for deterministic trends and/or seasonal patterns in VARIMA and structural time series models.

关键词： Vector Time Series Deterministic Components Parametric Stability Non-Invertibility Unit Roots

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Role of inflammatory response in liver diseases: Therapeutic strategies

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World Journal of Hepatology 2018年第1期10卷 1-7页

作者： jos. A Del Campo Paloma gallego Lourdes Grande Department of Digestive Diseases Valme University Hospital and CIBERehd

Inflammation and tumorigenesis are tightly linked pathways impacting cancer development. Inflammasomes are key signalling platforms that detect pathogenic microorganisms, including hepatitis C virus(HCV) infection, and sterile stressors(oxidative stress, insulin resistance, lipotoxicity) able to activate pro-inflammatory cytokines interleukin-1β and IL-18. Most of the inflammasome complexes that have been described to date contain a NOD-like receptor sensor molecule. Redox state and autophagy can regulate inflammasome complex and, depending on the conditions, can be either pro-or antiapoptotic. Acute and chronic liver diseases are cytokinedriven diseases as several proinflammatory cytokines(IL-1α, IL-1β, tumor necrosis factor-alpha, and IL-6) are critically involved in inflammation, steatosis, fibrosis, and cancer development. NLRP3 inflammasome gain of function aggravates liver disease, resulting in severe liver fibrosis and highlighting this pathway in the pathogenesis of non-alcoholic fatty liver disease. On the other hand, HCV infection is the primary catalyst for progressive liver disease and development of liver cancer. It is well established that HCV-induced IL-1β production by hepatic macrophages plays a critical and central process that promotes liver inflammation and disease. In this review, we aim to clarify the role of the inflammasome in the aggravation of liver disease, and how selective blockade of this main pathway may be a useful strategy to delay fibrosis progression in liver diseases.

关键词： Caspase-1 Fibrosis Hepatitis C virus Inflammasome Interleukin-1α Interleukin-1β Liver disease Non-alcoholic fatty liver disease NLRP3 Tumor necrosis factor-alpha

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Crop phenotyping in a context of global change:What to measure and how to do it

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Journal of Integrative Plant Biology 2022年第2期64卷 592-618页

作者： jos. Luis Araus Shawn Carlisle Kefauver Omar Vergara-Díaz Adrian Gracia-Romero Fatima Zahra Rezzouk Joel Segarra Maria Luisa Buchaillot Melissa Chang-Espino Thomas Vatter Rut Sanchez-Bragado jos.Armando Fernandez-gallego Maria Dolores Serret Jordi Bort Integrative Crop Ecophysiology Group Plant Physiology SectionFaculty of BiologyUniversity of BarcelonaBarcelonaSpain AGROTECNIO Center LleidaSpain Plant Ecophysiology and Metabolism Lab ITQB NovaPlant Sciences DivisionOeirasPortugal Programa de Ingeniería Electrónica Facultad de IngenieríaUniversidad de IbaguéIbaguéColombia

High-throughput crop phenotyping,particularly under field conditions,is nowadays perceived as a key factor limiting crop genetic *** not only facilitates conventional breeding,but it is necessary to fully exploit the capabilities of molecular breeding,and it can be exploited to predict breeding targets for the years ahead at the regional level through more advanced simulation models and decision support *** terms of phenotyping,it is necessary to determined which selection traits are relevant in each situation,and which phenotyping tools/methods are available to assess such *** sensing methodologies are currently the most popular approaches,even when lab-based analyses are still relevant in many *** top of that,data processing and automation,together with machine learning/deep learning are contributing to the wide range of applications for *** review addresses spectral and red-green-blue sensing as the most popular remote sensing approaches,alongside stable isotope composition as an example of a lab-based tool,and root phenotyping,which represents one of the frontiers for field ***,we consider the two most promising forms of aerial platforms(unmanned aerial vehicle and satellites)and some of the emerging data-processing *** review includes three Boxes that examine specific case studies.

关键词： crop phenotyping deep learning models photosynthesis platforms remote sensing roots satellites sensors stable isotopes

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Assessment of the Acoustic Impact of Wind Farm Projects: Methodology and Case

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Journal of Geoscience and Environment Protection 2018年第1期6卷 99-110页

作者： jos. Molina-Ruiz Mari Luz García-Lorenzo María jos. Martínez-Sánchez Diego gallego Department of Geography Faculty of Geography University of Murcia Murcia Spain Department of Mineralogy and Petrology Faculty of Geology University Complutense of Madrid Madrid Spain Department of Agricultural Chemistry Geology and Pedology Faculty of Chemistry University of Murcia Murcia Spain Diego gallego Cambronero Departamento Ecologia Faculty of Sciences University of Alicante Alicante Spain

Wind energy is a clean renewable and its benefits are considered greater than the disadvantages. However, even though wind farms represent environmentally friendly projects, they frequently generate public resistance. Wind turbines are socially controversial because of their visual and acoustic impacts. The aim of this work was to design a methodology for the preliminary evaluation of potential acoustic impact of wind farms. Three steps have been proposed: identification, characterization and assessment of the acoustic impact during the construction, operation and decommissioning phase. Obtained results in the studied area suggested that at a maximum power, at 500 meters of wind turbines, noise level is lower than the reference level established in the legislation. In summary, proposed methodology could help to determine and to evaluate the best location for new wind farm projects. Proposed methodology could help to determine and to evaluate the best location for new wind farm projects. Moreover, this method could be used as a consulting tool for public organizations and private institutions, being quick, concise and clear. Obtained results for the studied wind farm project suggested that almost all the area showed noise levels lower than established background noise level.

关键词： Wind Turbine Environmental Impact Assessment Acoustic Impact Wind Farm

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Testing for Deterministic Components in Vector Seasonal Time Series

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Open Journal of Statistics 2011年第3期

作者： jos. Luis gallego Carlos Díaz

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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 jos.Miguel Cisneros Sonsoles Salto-Alejandre Judith Berastegui-Cabrera Pedro Camacho-Martínez Carmen Infante-Domínguez Marta Carretero-Ledesma Juan Carlos Crespo-Rivas Eduardo Márquez jos.Manuel Lomas Claudio Bueno Rosario Amaya jos.Antonio 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 jos.Molina 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

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