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A comprehensive look at the psychoneuroimmunoendocrinology of spinal cord injury and its progression: mechanisms and clinical opportunities

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Military Medical Research 2024年第2期11卷 228-267页

作者： Miguel A.Ortega Oscar Fraile-Martinez Cielo García-Montero Sergio Haro Miguel Ángel Álvarez-Mon diego de leon-oliva Ana M.Gomez-Lahoz Jorge Monserrat Mar Atienza-Pérez David Díaz Elisa Lopez-Dolado Melchor Álvarez-Mon department of Medicine and Medical Specialities University of Alcala28801 Alcala de HenaresSpain Ramón y Cajal Institute of Sanitary Research(IRYCIS) 28034 MadridSpain department of Psychiatry and Mental Health Hospital Universitario Infanta Leonor28031 MadridSpain Service of Rehabilitation National Hospital for Paraplegic PatientsCarr.de la PeraledaS/N45004 ToledoSpain Immune System Diseases‑Rheumatology Service and Internal Medicine University Hospital Príncipe de Asturias(CIBEREHD)28806 Alcala de HenaresSpain

Spinal cord injury(SCI)is a devastating and disabling medical condition generally caused by a traumatic event(primary injury).This initial trauma is accompanied by a set of biological mechanisms directed to ameliorate neural damage but also exacerbate initial damage(secondary injury).The alterations that occur in the spinal cord have not only local but also systemic consequences and virtually all organs and tissues of the body incur important changes after SCI,explaining the progression and detrimental consequences related to this ***(PNIE)is a growing area of research aiming to integrate and explore the interactions among the different systems that compose the human organism,considering the mind and the body as a *** initial traumatic event and the consequent neurological disruption trigger immune,endocrine,and multisystem dysfunction,which in turn affect the patient's psyche and *** the present review,we will explore the most important local and systemic consequences of SCI from a PNIE perspective,defining the changes occurring in each system and how all these mechanisms are ***,potential clinical approaches derived from this knowledge will also be collectively presented with the aim to develop integrative therapies to maximize the clinical management of these patients.

关键词： Spinal cord injury(SCI) Psychoneuroimmunoendocrinology(PNIE) Secondary injury Immunoinflammatory dysfunction Gut microbiota Translational opportunities

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Comparison of corona effect prediction criteria on sphere-plane configuration

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High Voltage 2024年第4期9卷 957-969页

作者： Manuel de La Hoz Petrus Jacobus Pieterse Agurtzane Etxegarai diego Gonzalez Angel Javier Mazon Dirk Uhrlandt University of the Basque Country BilbaoSpain University of Rostock RostockGermany Leibniz Institute for Plasma Science and Technology GreifswaldGermany

When designing high-voltage elements,knowing if the corona effect will be present during their life cycle is ***,designers consider several prediction criteria based on physical features related to breakdown discharge principles to predict the corona *** introduced practical set-up consists of a concave cone electrode with a hemispheric tip above a plate to evaluate selected corona prediction *** hemisphere has a fixed diameter of 7 mm,and the electrode separation ranges from 2.5 to 39 *** about the corona mode inception under different voltage sources was extracted using an intensified charge-coupled device camera and a partial discharge *** prediction criteria were connected to a specific corona mode depending on the main discharge structure behind its *** average deviation between these criteria and experimental results was around eight *** assumptions in criteria are also discussed in light of the experimental results.

关键词： effect. electrode effect

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Tribologically induced nanostructural evolution of carbon materials: A new perspective

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Friction 2024年第1期12卷 144-163页

作者： Guilherme Oliveira NEVES Nicolás ARAYA diego Berti SALVARO Thiago de Souza LAMIM Renan Oss GIACOMELLI Cristiano BINdeR Aloisio Nelmo KLEIN JoséDaniel Biasoli de MELLO Laboratório de Materiais Universidade Federal de Santa CatarinaSanta Catarina 88040-900Brazil departamento de Ingeniería Mecánica Facultad de IngenieríaUniversidad del Bío-BíoConcepcion 4070-386Chile Universidad de Concepción Concepcion 4070-386Chile SENAI Innovation Institute for Laser Processing Santa Catarina 89218-153Brazil Universidade Federal de Uberlândia Minas Gerais 38408-100Brazil

Carbon-based solid lubricants are excellent options to reduce friction and wear,especially with the carbon capability to adopt different allotropes *** the macroscale,these materials are sheared on the contact along with debris and contaminants to form tribolayers that govern the tribosystem *** a recently developed advanced Raman analysis on the tribolayers,it was possible to quantify the contactinduced defects in the crystalline structure of a wide range of allotropes of carbon-based solid lubricants,from graphite and carbide-derived carbon particles to multi-layer graphene and carbon *** addition,these materials were tested under various dry sliding conditions,with different geometries,topographies,and solid-lubricant application *** of the initial tribosystem conditions and allotrope level of atomic ordering,there is a remarkable trend of increasing the point and line defects density until a specific saturation limit in the same order of magnitude for all the materials tested.

关键词： carbon nanostructures tribology Raman spectroscopy defects quantification tribolayer solid lubrication

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Hydroxytyrosol and Parkinson's disease:protective actions against alpha-synuclein toxicity

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Neural Regeneration Research 2024年第7期19卷 1427-1428页

作者： Ruth Hornedo-Ortega Ana M.Espinosa-oliva departamento de Nutrición y Bromatología Toxicología y Medicina LegalFacultad de FarmaciaUniversidad de SevillaSevilleSpain Instituto de Biomedicina de Sevilla IBiS/Hospital Universitario Virgen del Rocío/CSIC/Universidad de SevillaSevillaSpain departamento de Bioquímica y Biología Molecular Facultad de FarmaciaUniversidad de SevillaSevillaSpain

Parkinson’s disease:Parkinson’s disease(PD) is the second most prevalent neurodegenerative disease,after Alzheimer’s disease,affecting 1%of the general population over the age of *** to data from the World Health Organization(WHO),its prevalence has doubled in the past 25 *** 2019,global estimates indicated over 8.5 million individuals with PD and it is suggested that PD caused 329000 deaths,an increase of over 100% since 2000(WHO,2022).

关键词： protective Alzheimer prevalence

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New pharmacological tools:the use of diterpenes to promote adult hippocampal neurogenesis

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Neural Regeneration Research 2024年第8期19卷 1629-1630页

作者： Ricardo Gomez-oliva Pedro Nunez-Abades Carmen Castro department of Biomedicine Biotechnology and Public HealthDivision of PhysiologyUniversity of CadizCadizSpain Biomedical Research and Innovation Institute of Cadiz(INiBICA) CadizSpain department of Physiology University of SevilleSevilleSpain

Tissue regeneration maintains homeostasis and preserves the functional features of each ***,not all tissues show a strong repairing *** is the case of the central nervous *** is now well established that the generation of new functional neurons from stem cells in the adult brain occurs in specific regions of the brain of different species such as rodents,birds,primates,and humans(Eriksson et al.,1998).

关键词： capacity maintain preserve

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Targeting epidermal growth factor receptor signaling to facilitate cortical injury repair?

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Neural Regeneration Research 2024年第5期19卷 935-936页

作者： Ricardo Gómez-oliva Pedro Nunez-Abades Carmen Castro Área de Fisiología Facultad de Medicina Universidad de CádizCadizSpain Instituto de Investigación e Innovación en Biomedicina de Cádiz CadizSpain departamento de Fisiología Facultad de FarmaciaUniversidad de SevillaSevilleSpain

The existence of neural stem cells(NSC)in specific areas of the adult mammalian brain leads to the generation of new neurons involved in homeostatic *** is the case of the NSC of the subventricular zone(SVZ)that produces olfactory bulb(OB)*** neurons integrate into circuits to modulate sensory information and participate in olfactory processing(Bragado Alonso et al.,2019).A series of hierarchical events need to take place to produce OB neurons from NSC of the ***,the activation of quiescent NSC is necessary to produce intermediate transit amplifying progenitors(TAP),which will generate *** latter are cells that maintain a proliferative phenotype while in an immature ***,once they initiate migration toward the OB,they progressively undergo their differentiation into neurons(Kjell et al.,2020).

关键词： ventricular maintain

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Experimental Exclusion of Guanaco Grazing Increases Cover, Diversity, Land Function and Plant Recruitment in Patagonia

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Phyton-International Journal of Experimental Botany 2024年第7期93卷 1383-1401页

作者： Carla Cepeda Gabriel oliva Daniela Ferrante INTA Instituto Nacional de Tecnología Agropecuaria Santa Cruz9400Rio GallegosArgentina Universidad Nacional de la Patagonia Austral Santa Cruz9400Rio GallegosArgentina

Semiarid Patagonia represents 25%of the rangeland area in Argentina,and sheep overgrazing has degraded about a third of it in the *** this century,depleted domestic stocks have mostly stabilized,but Guanaco populations have *** native camelids share habitat and diets with sheep,but their effect on vegetation is poorly understood and has long been *** set up an exclusion experiment in Monte León and Cañadón Vaca,a semiarid shrubland grassland in southern Patagonia,currently grazed only by *** baselines were studied in 2016 in twelve plots,and half of them were protected from guanaco ***-six plots were cleared to study *** was reassessed in 2021,and changes were evaluated using a paired *** protected plots,vegetation cover increased,bare soil diminished,and vegetated patches grew in size,but the density of the patch-interpatch arrangement did not ***,measured by richness and the Shan-non-Wiener(SW)index,grew signiﬁ*** recycling increased,as did the Stability and Inﬁltration Land Function indexes,although these last differences were not signiﬁ*** cover under guanaco grazing also increased,mainly due to the growth of dwarf shrubs,a typical tendency in sheep grazing-induced transitions in the *** patches under grazing fragmented,resulting in smaller patches and denser patch struc-tures,while diversity and land function indexes remained *** plants established in cleared plots without guanacos showed higher cover density and individual *** effects are similar to those observed in numerous experimental sheep *** grazing may thus prevent restoration and contribute to the generalized land degradation processes that overgrazing has been causing in Patagonia for over a century.

关键词： Rangelands herbivory biodiversity overgrazing carrying capacity fauna

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From the dust:extracellular vesicles as regulators of development and neuroregeneration

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Neural Regeneration Research 2024年第5期19卷 933-934页

作者： leon G.Coleman Jr The University of North Carolina at Chapel Hill School of MedicineDepartment of PharmacologyBowles Center for Alcohol StudiesChapel HillNCUSA

First impressions can have a lasting *** science,this can be especially problematic,because our lack of understanding often causes us to mislabel and thus ignore important biological *** this vein,extracellular vesicles(EVs)were once considered to be“cellular dust”.Similar to the previous concept of“junk DNA”to describe protein non-coding regions,EVs are far more than just cellular *** fact,EVs are emerging as key mediators of intracellular communication across nearly all biological *** includes peripheral immune responses(e.g.,arthropathies and sepsis),intra-organ communication(Seim et al.,2023),and a host of other physiological and pathological states(Figure 1A and B).

关键词： Figure extracellular

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Toward scalable docker-based emulations of blockchain networks for research and development

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Blockchain(Research and Applications) 2024年第3期5卷 168-183页

作者： diego Pennino Maurizio Pizzonia Universitàdegli Studi della Tuscia Dipartimento di EconomiaIngegneriaSocietàe Impresa01100 ViterboItaly Universitàdegli Studi Roma Tre Dipartimento di Ingegneria CivileInformatica e delle Tecnologie Aeronautiche00146 RomeItaly

Blockchain,like any other complex technology,needs a strong testing methodology to support its evolution in both research and development *** up meaningful tests for permissionless blockchain technology is a notoriously complex task for several reasons:software is complex,a large number of nodes are involved,the network is non-ideal,*** usually adopt small virtual laboratories or costly real devnets based on real *** usually prefer simulations of a large number of nodes based on simplified *** this paper,we aim to obtain the advantages of both approaches,i.e.,performing large,realistic,inexpensive,and flexible experiments,using real blockchain software within a virtual *** do that,we address the challenge of running large blockchain networks in a single physical machine,leveraging Linux and *** analyze a number of problems that arise when large blockchain networks are emulated,and we provide technical solutions for all of ***,we describe two experiences of emulating fairly large blockchain networks on a single machine:adopting both research-oriented and production-oriented software and involving more than 3000 containers.

关键词： Blockchain Blockchain emulation Scalability Docker Research and development experiments

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APPROXIMATING THE STATIONARY BELLMAN EQUATION BY HIERARCHICAL TENSOR PRODUCTS

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Journal of Computational Mathematics 2024年第3期42卷 638-661页

作者： Mathias Oster leon Sallandt Reinhold Schneider Technische Universität Berlin Strasse des 17.Juni 13510623 BerlinGermany

We treat infinite horizon optimal control problems by solving the associated stationary Bellman equation numerically to compute the value function and an optimal feedback *** dynamical systems under consideration are spatial discretizations of non linear parabolic partial differential equations(Pde),which means that the Bellman equation suffers from the curse of *** non linearity is handled by the Policy Iteration algorithm,where the problem is reduced to a sequence of linear equations,which remain the computational bottleneck due to their high *** reformulate the linearized Bellman equations via the Koopman operator into an operator equation,that is solved using a minimal residual *** the Koopman operator we identify a preconditioner for operator equation,which deems essential in our numerical *** overcome computational infeasability we use low rank hierarchical tensor product approximation/tree-based tensor formats,in particular tensor trains(TT tensors)and multi-polynomials,together with high-dimensional quadrature,*** controlling a destabilized version of viscous Burgers and a diffusion equation with unstable reaction term numerical evidence is given.

关键词： Feedback control Dynamic programming Hamilton-Jacobi-Bellman Tensor product approximation Variational Monte-Carlo

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