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Treatment of spinal cord injury with biomaterials and stem cell therapy in non-human primates and humans

Neural Regeneration Research 2025年第2期20卷 343-353页

作者： Ana Milena Silva Olaya Fernanda Martins Almeida Ana Maria Blanco Martinez Suelen Adriani Marques PhD Program in Pathological Anatomy Federal University of Rio de JaneiroRio de JaneiroBrazil Biomedical Science Institute Federal University of Rio de JaneiroRio de JaneiroBrazil Graduate Program in Pathological Anatomy Federal University of Rio de JaneiroRio de JaneiroBrazil Graduate Program in Pathological Anatomy(PPGAP/UFRJ) Department of Neurobiology/Institute of BiologyCampus do GragoatáNiteróiRio de JaneiroBrazil

Spinal cord injury results in the loss of sensory,motor,and autonomic functions,which almost always produces permanent physical ***,in the search for more effective treatments than those already applied for years,which are not entirely efficient,researches have been able to demonstrate the potential of biological strategies using biomaterials to tissue manufacturing through bioengineering and stem cell therapy as a neuroregenerative approach,seeking to promote neuronal recovery after spinal cord *** of these strategies has been developed and meticulously evaluated in several animal models with the aim of analyzing the potential of interventions for neuronal repair and,consequently,boosting functional *** the majority of experimental research has been conducted in rodents,there is increasing recognition of the importance,and need,of evaluating the safety and efficacy of these interventions in non-human primates before moving to clinical trials involving therapies potentially promising in *** article is a literature review from databases(PubMed,Science Direct,Elsevier,Scielo,Redalyc,Cochrane,and NCBI)from 10 years ago to date,using keywords(spinal cord injury,cell therapy,non-human primates,humans,and bioengineering in spinal cord injury).From 110 retrieved articles,after two selection rounds based on inclusion and exclusion criteria,21 articles were ***,this review arises from the need to recognize the experimental therapeutic advances applied in non-human primates and even humans,aimed at deepening these strategies and identifying the advantages and influence of the results on extrapolation for clinical applicability in humans.

关键词： bioengineering biomaterials cell therapy humans non-human primates spinal cord injury stem cell therapy

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Brain scarring in infants:immunological insights from a neonatal hypoxic-ischemic encephalopathy model

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Neural Regeneration Research 2025年第10期20卷 2909-2910页

作者： Pedro Moreno Pimentel-Coelho Carlos Chagas Filho Biophysics Institute Federal University of Rio de JaneiroRio de JaneiroBrazil

Neonatal hypoxic-ischemic encephalopathy(HIE)is a significant cause of disability in *** brain function and accelerating neurological recovery may require a combination of neuroprotective and pro-regenerative treatments at different stages of *** the first hours after the neonatal insult are the most critical period for neuroprotection,the existence of secondary and tertiary mechanisms of brain injury offers the possibility of preventing delayed neurodegeneration in the subsequent days,weeks,or months(Levison et al.,2022).

关键词： neonatal protective hypoxic

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Serological surveillance for SARS-CoV-2 antibodies among students,faculty and staff within a large university system during the pandemic

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World Journal of Virology 2025年第1期14卷 99-107页

作者： Marcos G Pinheiro Gabriela G O Alves Maria Eduarda R Conde Sofia L Costa Regina C S Sant’Anna Isa M F Antunes Mônica C Carneiro Fabio S Ronzei Julia C Scaffo Felipe R Pinheiro Lialyz S Andre Helvecio C Povoa Valéria T Baltar Fabíola Giordani Eduarda S Hemerly Gisele C Alexandre Karla C de Paula Márcio Watanabe Antonio Claudio L da Nóbrega Jackeline Christiane P Lobato Fabio Aguiar-Alves laboratory of Molecular Epidemiology and Biotechnology Rodolpho Albino University LaboratoryFluminense Federal UniversityNiterói 24241000Rio de JaneiroBrazil Estácio de SáUniversity Nova Friburgo 28611135Rio de JaneiroBrazil Pathology Program Medicine schoolFluminense Federal UniversityNiterói 24070090Rio de JaneiroBrazil department of Pharmaceutical Sciences Lloyd L.Gregory School of PharmacyPalm Beach Atlantic UniversityWest Palm BeachFL 33401United States Health Institute of Nova Friburgo Fluminense Federal UniversityNova Friburgo 28613001Rio de JaneiroBrazil department of Epidemiology and Biostatistics Institute of Collective Health(ISC)Fluminense Federal UniversityNiterói 24033900Rio de JaneiroBrazil Institute of Physical Education Fluminense Federal UniversityNiterói 24020005Rio de JaneiroBrazil department of Statistics Fluminense Federal UniversityNiterói 24210200Rio de JaneiroBrazil department of Physiology and Pharmacology Fluminense Federal UniversityNiterói 24210130Rio de JaneiroBrazil

BACKGROUND At the end of december 2019,the world faced severe acute respiratory syndrome-coronavirus 2(SARS-CoV-2),which led to the outbreak of coronavirus disease 2019(COVID-19),associated with respiratory *** virus has shown significant challenges,especially for senior citizens,patients with other underlying illnesses,or those with a sedentary *** tests conducted early on have helped identify how the virus is transmitted and how to curb its *** study hypothesis was that the rapid serological test for SARS-CoV-2 antibodies could indicate the immunoreactive profile during the COVID-19 pandemic in a university *** To conduct active surveillance for serological expression of anti-SARS-CoV-2 antibodies in individuals within a university setting during the COVID-19 *** This sectional study by convenience sampling was conducted in a large university in Niteroi-RJ,Brazil,from March 2021 to July *** study population consisted of students,faculty,and administrative staff employed by the university.A total of 3433 faculty members,60703 students,and 3812 administrative staff were invited to *** were gathered through rapid serological tests to detect immunoglobulin(Ig)M and IgG against ***χ²or Fisher's exact test was used to conduct statistical analysis.A 0.20 significance level was adopted for variable selection in a multiple logistic regression model to evaluate *** A total of 1648 individuals were enrolled in the *** proportion of COVID-19 positivity was 164/1648(9.8%).The adjusted logistic model indicate a positive association between the expression of IgM or IgG and age[odds ratio(OR)=1.16,95%CI:1.02-1.31](P<0.0024),individuals who had been in contact with a COVID-19-positive case(OR=3.49,95%CI:2.34-5.37)(P<0.001),those who had received the COVID-19 vaccine(OR=2.33,95%CI:1.61-3.35)(P<0.001)and social isolation(OR=0.59,95%CI:0.41-0.84)(P<0.004).The likelihood of sho

关键词： Serological surveillance SARS-CoV-2 antibodies COVID-19 Serological rapid test Risk factors for COVID-19

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Physiological plasticity in eucalyptus clones in the vegetative stage contributes to drought tolerance

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Journal of Forestry Research 2023年第5期34卷 1549-1561页

作者： Vilma Marques Ferreira Jailma Ribeiro de Andrade Claudiana Moura dos Santos Sebastiao de Oliveira Maia Júnior Joao Correia de Araújo Neto Andrea Francisca da Silva Santos Vicente Mota da Silva Lucas Teles Bezerra Laurício Endres laboratório de Fisiologia Vegetal Campus de Engenharia e Ciências AgráriasUniversidade Federal de AlagoasRio LargoAL57072-900Brazil laboratório de Ciências Ambientais e Biodiversidade Departamento de Zootecnia.Centro de Ciências AgráriasUniversidade Estadual do MaranhãoSão LuísMA65300-000Brazil laboratório de Propagação de Plantas.Campus de Engenharia e Ciências Agrárias Universidade Federal de AlagoasRio LargoAL57072-900Brazil laboratório de lepidoptera Museu de ZoologiaUniversidade de São PauloIpirangaSão PauloSP04263-000Brazil

With the expansion of eucalyptus crops to areas with severe water limitations,physiological studies involving eucalyptus clones to identify those that are tolerant to water stress become *** objective of this study was to assess morphological and physiological responses by eucalyptus clones subjected to drought stress and *** experiment consisted of three eucalyptus clones:VC865,I224 and I144 and two water regimes:control and water stress followed by rehydration,with six *** water potential,gas exchange,maximum quantum efficiency of photo systemⅡand plant height and stem diameter were evaluated under drought stress and ***6 d of rehydration,the number of leaves,leaf area and dry mass of root,leaf,stem and their total were *** clones showed intense reduction of gas exchange during the drought stress period,and only VC865 and 1144 showed rapid recovery with 3 d of *** 1224 showed greater reduction in height,stem diameter,number of leaves,water potential at midday(Ψ_(w)_(Midday)),and maximum quantum efficiency of photosystemⅡ(F_(v)/F_(m)).Clones VC865and T144 showed lower reductions inΨ_(wMidday)and F_(v)/F_(m) under ***865 had lower reductions in leaf number,leaf area and higher leaf dry mass,while clone I144 had higher height and lower reduction in root dry mass *** these clones showed higher water use efficiency with 3d of *** different phenotypic plasticities gave the clones VC865 and 1144 efficient mechanisms of acclimatization to stress and more drought tolerance,enhancing their greater capacity for recovery after stress,which allowed lower dry mass *** 1224,however,was more susceptible to drought stress,undergoing greater physiological damage with only partial recovery during rehydration.

关键词： Drought Eucalyptus species Gas exchanges Post-stress Root dry mass

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Importance of neonatal screening:A case study of sickle cell disease and cystic fibrosis coexistence

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World Journal of Clinical Pediatrics 2025年第1期14卷 113-118页

作者： Nathalia Noyma Sampaio Magalhães Lucas Barra Mathiasi Daniela de Oliveira Werneck Rodrigues department of Pediatrics Faculdade de Ciências Médicas e da Saúde de Juiz de ForaJuiz de Fora 36033-003Brazil department of Internal Medicine Rede D'Or Rio de JaneiroRio de Janeiro 22270-010Brazil department of Hematology Fundação HemominasJuiz de Fora 36010-560MGBrazil department of Internal Medicine Universidade Presidente Antônio Carlos-Faculdade de Medicina Juiz de ForaJuiz de Fora 36010-560Minas GeraisBrazil

BACKGROUND Neonatal screening(NS)is a public health policy to identify genetic pathologies such as cystic fibrosis(CF),sickle cell disease,and other *** cell disea-se is the comprehensive term for a group of hemoglobinopathies characterized by the presence of hemoglobin *** is an autosomal recessive multisystemic disease with pathophysiology involving deleterious mutations in the transmembrane re-gulatory gene that encodes a protein that regulates the activity of chloride and sodium channels in the cell surface *** is crucial for early diagnosis and management,which ensures a better quality of *** To report a case of the coexistence of sickle cell anemia(SCA)and CF and perform an integrative literature *** This is an observational study and a review of the literature focusing on two rare genetic pathologies identified simultaneously in NS from the perspective of a clinical *** authors identified only 5 cases of SCA associated with *** clinical trials or review articles were identified considering the rarity of the coexistence of these two *** Herein,the authors reported the case of a girl who after undergoing NS on day 8 of life was diagnosed with SCA with an alteration in the dosage of immunoreactive *** diagnosis of CF was confirmed by the Coulometry Sweat *** rarity of the co-occurrence of these two severe genetic pathologies(CF and SCA)is a challenge for medical *** This study adds to the few case reports present in the literature that highlight the identification of two severe diseases via NS.

关键词： Sickle cell disease Sickle cell anemia Children Cystic fibrosis Neonatal Screening Case reports

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Synaptic pathology in multiple sclerosis:a role for Nogo-A signaling in astrocytes?

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Neural Regeneration Research 2023年第1期18卷 127-128页

作者： Sheila Espírito-Santo Vinícius Gabriel Coutinho Flávia Carvalho Alcantara Gomes laboratório de Biologia Celular e Tecidual Universidade Estadual do Norte Fluminense Darcy RibeiroCampos dos GoytacazesRJBrazil laboratório de Neurobiologia Celular Universidade Federal do Rio de JaneiroInstituto de Ciências BiomédicasRio de JaneiroRJBrazil

Multiple sclerosis(MS)is characterized as an inflammatory demyelinating disease that affects the central nervous system(CNS),leading to sensory,motor and cognitive ***,axonal denudation culminates in axonal lesions and *** demyelinating lesions in MS are associated with infiltration of immune cells combined with activation of the resident CNS inflammatory cells,astro-and microglia.

关键词： sclerosis impairment lesions

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Neurochemical plasticity of Müller cells after retinal injury: overexpression of GAT-3 may potentiate excitotoxicity

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Neural Regeneration Research 2015年第9期10卷 1376-1378页

作者： Clarissa S.Schitine Fernando G.de Mello Ricardo A.M.Reis laboratório de Neuroquímica Instituto de Biofísica Carlos Chagas Filho Universidade Federal do Rio de Janeiro laboratório de Neuroanatomia Celular Instituto de Biofísica Carlos Chagas Filho Universidade Federal do Rio de Janeiro

The retina is a multilayered tissue that develops following a central-to-peripheral gradient. Its structure derives from multipotent precursors, as shown through clonal analysis of retinal cell lineage. These progenitors generate diverse cell types, controlled by complex influences of intrinsic and extrinsic factors （Hatakevama and Kagevama, 2004）.

关键词： GAT Neurochemical plasticity of M ller cells after retinal injury overexpression of GAT-3 may potentiate excitotoxicity RGCs

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Non-alcoholic fatty liver disease: What the clinician needs to know

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World Journal of Gastroenterology 2014年第36期20卷 12956-12980页

作者： Mariana Verdelho Machado Helena Cortez-Pinto departamento de Gastrenterologia Laboratório de Nutri??o Hospital Universitário de Santa Maria Lisbon 1649-035 Portugal

Non-alcoholic fatty liver disease(NAFLD) is the most frequent cause of liver disease in the Western world. Furthermore, it is increasing worldwide, paralleling the obesity pandemic. Though highly frequent, only about one fifth of affected subjects are at risk of developing the progressive form of the disease, non-alcoholic steatohepatitis with fibrosis. Even in the latter, liver disease is slowly progressive, though, since it is so prevalent, it is already the third cause of liver transplantation in the United States, and it is predicted to get to the top of the ranking in few years. Of relevance, fatty liver is also associated with increased overall mortality and particularly increased cardiovascular mortality. The literature and amount of published papers on NAFLD is increasing as fast as its prevalence, which makes it difficult to keep updated in this topic. This review aims to summarize the latest knowledge on NAFLD, in order to help clinicians understanding its pathogenesis and advances on diagnosis and treatment.

关键词： Non-alcoholic fatty liver disease Metabolic syndrome Insulin resistance Epidemiology Pathogenesis Genetics Diagnosis Prognosis Management

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Stochastic Contrast Measures for SAR Data: A Survey

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雷达学报（中英文） 2019年第6期8卷 758-781页

作者： Alejandro C.Frery La CCAN–laboratório de Computa??o Científica e Análise Numérica Universidade Federal de Alagoas

“Contrast”is an generic denomination for“difference”.Measures of contrast are a powerful tool in image processing and analysis,e.g.,in denoising,edge detection,segmentation,classification,parameter estimation,change detection,and feature *** present a survey on techniques that aim at measuring the contrast between(i)samples of SAR imagery,and(ii)samples and models,with emphasis on those that employ the statistical properties of the data.

关键词： Contrast Divergence Entropy Geodesic distance Statistics Synthetic Aperture Radar(SAR)

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A GIS FOR THE ANTARCTIC SPECIALLY MANAGED AREA OF ADMIRALTY BAY,KING GEORGE ISLAND,ANTARCTICA

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Geo-Spatial Information Science 2001年第2期4卷 8-14页

作者： Jefferson Cardia Simóes F.A.Ferron Matthias Braun J.Arigony Neto F.E.Aquino laboratório de Pesquisas Antrticase Glaciológicas

A GIS is proposed as a tool for the managing plan for the Antarctic specially managed area (ASMA) in Admiralty *** ASMA comprises the area considered to be within the glacial drainage basin of the ***,it includes part of SSSI No.8 adjacent to the area but outside of the glacial drainage *** stations and six refuges are located in the *** a SPOT satellite image map,the limits of the ASMA are marked and its area is re_*** consists of 362 km 2,including 186 km 2 island ice field and small cirque glaciers and 32 km 2 ice_free *** rest comprises water of the bay and a small adjacent area (8 km 2) of the Bransfield *** ASMA_GIS will consists of 12 data layers ranging from the physiographic settings to the biological and administrative *** data will be implemented into Arc/Info GIS according to the cartographic guidelines of the SCAR WG_***,five plans of information will be realised using a topographic database compiled from various sources and data from the revised bathymetric chart published by the Brazilian Navy Hydrographic Survey and also including: 1) Limits of the ASMA and protected areas;2) Glaciological features (*** basin limits) and 3) Human presence (*** and historical sites).These basic GIS layers will be operational in early ***,additional data on the remaining layers (***,geology and geomorphology) will be included from published sources. The ASMA_GIS will form an important database for environmental monitoring and studies surveying temporal changes of features such as glacier front positions or bird breading sites.

关键词： Admiralty Bay managing plan environmental monitoring ASMA

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