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Pro-atherosclerotic markers and cardiovascular risk factors one year after liver transplantation

World Journal of Gastroenterology 2014年第26期20卷 8667-8673页

作者： Mario Reis Alvares-da-Silva Claudia Pinto Marques Souza de Oliveira josé tadeu stefano Hermes V Barbeiro Denise Barbeiro Francisco G Soriano Alberto Queiroz Farias Flair josé Carrilho Luiz Augusto Carneiro D’Albuquerque Division of Liver and Gastrointestinal Transplant (LIM-37) Department of GastroenterologyUniversity of S?o Paulo School of Medicine Division of Gastroenterology Hospital de Clínicas de Porto AlegreUniversidade Federal do Rio Grande do SulRua Ramiro Barcellos90035-903 Porto AlegreBrazil Division of Clinical (LIM-07) Department of GastroenterologyUniversity of S?o Paulo School of Medicine Division of Emergency Medicine (LIM-51) University of S?o Paulo School of Medicine

AIM:To investigate pro-atherosclerotic markers(endothelial dysfunction and inflammation)in patients one year after liver ***:Forty-four consecutive liver transplant(LT)outpatients who were admitted between August2009 and July 2010,were followed-up by for 1 year,exhibited no evidences of infection or rejection,all of them underwent tacrolimus-based immunosuppressive regimens were consecutively *** cytokines(TNFα,IFNγ,IL-8,and IL-10),endothelial biomarkers(sVCAM-1,sICAM-1,MPO,adiponectin,PAI-1,SAP,SAA,E-selectin,and MMP-9),high sensitive C-reactive protein,and Framingham risk score(FRS)were *** anthropometric data,aminotransferases,metabolic syndrome features,glucose and lipid profiles,and insulin resistance data were also *** LT recipients were compared to 22 biopsy-proven non-alcoholic steatohepatitis(NASH)patients and 20healthy controls(non-obese,non-diabetics,and nondyslipidemic).RESULTS:The LT recipients had significantly younger ages and lower body mass indices,aminotransferases,fasting glucose and insulin levels,glucose homeostasis model and metabolic syndrome features than the NASH *** cardiovascular risk markers,such as Hs-CRP and FRS[2.0(1.0-8.75)],were lower in the LT patients compared to those observed in the NASH patients(P=0.009).In contrast,the LT recipients and NASH patients had similar inflammatory and endothelial serum markers compared to the controls(pg/mL):lower IL-10 levels(32.3 and 32.3 vs 62.5,respectively,P=0.019)and higher IFNγ(626.1 and 411.9 vs 67.9,respectively,P<0.001),E-selectin(48.5 and 90.03vs 35.7,respectively,P<0.001),sVCAM-1(1820.6and 1692.4 vs 1167.2,respectively,P<0.001),and sICAM-1(230.3 and 259.7 vs 152.9,respectively,P=0.015)***:Non-obese LT recipients have similar pro-atherosclerotic serum profiles after a short 1-year follow-up period compared to NASH patients,suggesting a high risk of atherosclerosis in this population.

关键词： Cell adhesion molecules Endothelial biomarkers Car

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Increased hepatic expression of insulin-like growth factor-Ⅰreceptor in chronic hepatitis C

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World Journal of Gastroenterology 2006年第24期12卷 3821-3828页

作者： josé tadeu stefano Maria Lúcia Corr(e|^)a-Giannella Cristiane Maria Freitas Ribeiro Ven(a|^)ncio Avancini Ferreira Alves Paulo Celso Bosco Massarollo Marcel Cerqueira Cesar Machado Daniel Giannella-Neto Laboratory for Cellular and Molecular Endocrinology University of Sao Paulo Medical School Brazil Laboratory for Cellular and Molecular Endocrinology University of Sao Paulo Medical School Diabetes UnitDivision of EndocrinologyBrazil Department of Pathology Santa Casa de Misericórdia de Sao Paulo Brazil Department of Pathology University of Sao Paulo Medical School Brazil Laboratory for Experimental Surgery University of Sao Paulo Medical School Brazil

瞄准：尽管增加像胰岛素的生长因素 -- 我受体(IGF 红外) 基因表示在肝细胞癌被报导了，在长期的丙肝(CHC ) 估计 IGF 红外的研究和肝硬化是少见的。我们因此试图与 CHC 从病人在肝评估 IGF 红外和 IGF-I mRNA 表示。方法：IGF 红外和 I... 详细信息

瞄准：尽管增加像胰岛素的生长因素 -- 我受体(IGF 红外) 基因表示在肝细胞癌被报导了，在长期的丙肝(CHC ) 估计 IGF 红外的研究和肝硬化是少见的。我们因此试图与 CHC 从病人在肝评估 IGF 红外和 IGF-I mRNA 表示。方法：IGF 红外和 IGF-I mRNA 内容被半量的 RT-PCR 决定， IGF 红外蛋白质表示由在以前与 CHC 从病人获得的肝的织物(34 个病人) 并且在以后的 immunohisto 化学是坚定的(10 个病人) 有 interferon-alpha 和 ribavirin 的治疗。结果：IGF 红外 mRNA 内容的增加在从所有 CHC 病人以及从与正常的肝相比跟随 orthopic 移植(评估正常的肝的一次尝试) 的 6 个尸体肝施主获得的肝的织物被观察，当没有相关修正在 IGF-I mRNA 内容被检测时。组织化学的结果显示出的免疫在 IGF 红外 mRNA 的加薪满足，这与 ductular 反应并且到在 hepatocytes 的增加的 IGF 红外表示相关。在 IGF 红外 mRNA 内容的减少在在治疗以后完成了持续 virological 反应的病人被观察，建议处于肝的损坏的改进。结论：在有 CHC 的病人的 hepatocytes 的 IGF 红外表示的起来规定能组成一次尝试刺激 hepatocyte 新生。考虑到那个肝是有 IGF-I 的高水平的机关，我们在尖锐、长期的肝的损坏以后发现增加的 IGF 红外表示加亮需要让另外的研究阐明在肝的 IGF-I 的角色新生。

关键词：胰岛素样生长因子-I受体丙型病毒肝炎基因表达病理机制

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There is life after coking for Ir nanocatalyst superlattices

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Nano Research 2022年第8期15卷 6969-6976页

作者： Antonio J.Martínez-Galera Haojie Guo Mariano D.Jiménez-Sánchez stefano Franchi Kevin C.Prince josé M.Gómez-Rodríguez Departamento de Física de la Materia Condensada Universidad Autónoma de MadridMadrid E-28049Spain Instituto Nicolás Cabrera Universidad Autónoma de MadridMadrid E-28049Spain Elettra-Sincrotrone Trieste S.C.p.A. in Area Science ParkBasovizza(Trieste)34149Italy Condensed Matter Physics Center(IFIMAC) Universidad Autónoma de MadridMadrid E-28049Spain

Achieving superior performance of nanoparticle systems is one of the biggest challenges in *** major phenomena,occurring during the reactions,hinder the development of the full potential of nanoparticle catalysts:sintering and contamination with carbon containing species,sometimes called ***,we demonstrate that Ir nanocrystals,arranged into periodic networks on hexagonal boron nitride(h-BN)supports,can be restored without sintering after contamination by persistent *** restoration yields the complete removal of carbon from the nanocrystals,which keep their crystalline structure,allowing operation without *** findings,together with the possibility of fine tuning the nanocrystals size,confer this nanoparticle system a great potential as a testbed to extract key information about catalysis-mediated oxidation *** the case of the CO oxidation by O2,reaction of interest in environmental science and green energy production,the existence of chemical processes not observed before in other nanoparticle systems is demonstrated.

关键词： catalysis coke nanoparticles scanning tunneling microscopy(STM) X-ray photoemission spectroscopy(XPS)

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Metabolic-associated fatty liver disease from childhood to adulthood:State of art and future directions

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World Journal of Hepatology 2022年第6期14卷 1087-1098页

作者： Francesca Lanzaro stefano Guarino Elisabetta D'Addio Alessandra Salvatori josèAlberto D'Anna Pierluigi Marzuillo Emanuele Miraglia del Giudice Anna Di Sessa Department of Woman Childand General and Specialized SurgeryUniversity of Campania“Luigi Vanvitelli”Naples 80138Italy

In 2020,an international group of experts proposed to replace the term of nonalcoholic fatty liver disease with metabolic-associated fatty liver disease(MAFLD).This recent proposal reflects the close association of fatty liver with metabolic derangements,as demonstrated by previous robust *** factors[including genetics,inflammation,metabolic abnormalities,insulin resistance(IR),obesity,prenatal determinants,and gut–liver axis]have been found to be involved in MAFLD pathophysiology,but this tangled puzzle remains to be clearly *** particular,IR has been recognized as a key player in metabolic impairments development in children with fatty *** this ground,MAFLD definition focuses on the pathophysiological basis of the disease,by emphasizing the crucial role of metabolic impairments in this *** primarily developed for adults,MAFLD diagnostic criteria have been recently updated with an age-appropriate definition for sex and age percentiles,because of the increasing attention to cardiometabolic risk in *** date,accumulating evidence is available on the feasibility of MAFLD definition in clinical practice,but some data are still conflicting in highly selected *** the growing prevalence worldwide of fatty liver and its close relationship with metabolic dysfunction both in children and adults with subsequent increased cardiovascular risk,early strategies for MAFLD identification,treatment and prevention are *** therapeutic insights for MAFLD based on promising innovative biological techniques are also *** aimed to summarize the most recent evidence in this intriguing research area both in children and adults.

关键词： Metabolic dysfunction Fatty Liver Pathophysiology Cardiovascular Risk Adults Children

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Acupuncture Treatment for Idiopathic Trigeminal Neuralgia:A Longitudinal Case-Control Double Blinded Study

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Chinese Journal of Integrative Medicine 2017年第11期23卷 829-836页

作者： Michelle Cristina Ichida Mariana Zemuner Jorge Hosomi Hong Jin Pai Manoel Jacobsen Teixeira josétadeu Tesseroli de Siqueira Silvia R D T de Siqueira Neurology Department Medical SchoolUniversity of Sao PauloSao Paulo(05403-010)Brazil Group of Acupuncture Interdisciplinary Pain Group of the Neurology DivisionClinical HospitalMedical SchoolUniversity of Sao PauloSao Paulo(05403-010)Brazil Interdisciplinary Pain Center of Hospital das Clinicas Neurology DepartmentMedical SchoolUniversity of Sao PauloSao Paulo(05403-010)Brazil Neurosurgery Division Psychiatry InstituteClinical HospitalMedical SchoolUniversity of Sao PauloS&o Paulo(05403-010)Brazil Orofacial Pain Team Dentistry DivisionClinical HospitalMedical SchoolUniversity of Sao PauloSao Paulo(05403-010)Brazil Group of Oral Medicine and Neuroscience of the Dentistry Division Psychiatry InstituteClinical HospitalMedical SchoolUniversity of Sao PauloSao Paulo(05403-010)Brazil School of Arts Science and HumanitiesUniversity of Sao PauloSao Paulo(05403-010)Brazil

Objective： To evaluate the treatment effect of acupuncture on patients with idiopathic trigeminal neuralgia（ITN） by case-control longitudinal blinded study. Methods： Sixty ITN patients and 30 healthy subjects were included. The ITN patients were randomly assigned to acupuncture group（15 cases）, sham-acupuncture group（15 cases） and carbamazepine group（30 cases）, respectively. Clinical orofacial evaluation（including pain intensity and medication doses）, research diagnostic criteria for temporomandibular disorders（RDC/TMD） and Helkimo indexes（for functional evaluation of the masticatory system）, and quantitative sensory testing for sensory thresholds（gustative, olfactory, cold, warm, touch, vibration and superficial and deep pain） were evaluated before treatment, immediately after treatment, and 6 months after treatment. Results： The mean pain intensity by the Visual Analogue Scale only decreased in the acupuncture group at the last evaluation（P=0.012）. Patients in the sham-acupuncture group had an increase in carbamazepine doses according to the prescriptions（P〈0.01）. There was a reduction in secondary myofascial pain and mandibular limitations at the acupuncture and sham-acupuncture groups, however only the acupuncture group kept the changes after 6 months（P〈0.01, P=0.023）. There was a decrease in mechanical thresholds in the acupuncture group（tactile, P〈0.01; vibration, P=0.027） and an increase in deep pain thresholds in both acupuncture and sham-acupuncture groups（P=0.013）. Conclusion： Acupuncture can be an option in the treatment of ITN due to its analgesic effect in both ITN and secondary myofascial pain associated with it.

关键词： acupuncture idiopathic trigeminal neuralgia orofacial pain temporomandibular disorders quantitative sensory testing case-control study

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Association between the CYBA and NOX4 genes of NADPH oxidase and its relationship with metabolic syndrome in non-alcoholic fatty liver disease in Brazilian population

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Hepatobiliary & Pancreatic Diseases International 2018年第4期17卷 330-335页

作者： Fabiola Rabelo jose tadeu stefano Ana Mercedes Cavaleiro Rodrigo Vieira Costa Lima Daniel Ferraz de Campos Mazo Flair jose Carrilho Maria Lúcia Correa-Giannellac Claudia P.Oliveiraa Departamento de Gastroenterologia Faculdade de Medicina FMUSPUniversidade de Sao PauloSao PauloSPBrazil Hospital das Clinicas HCFMUSP Departamento de GastroenterologiaLIM07Faculdade de MedicinaUniversidade de Sao PauloSao PauloSPBrazil Laboratório de Carboidratos e Radioimunensaio LIM18Hospital das Clinicas HCFMUSP(LIM07)Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil Programa de Pos-Graduacao em Medicina Universidade Nove de Julho(UNINOVE)Sao PauloBrazil

Background: Oxidative stress has been implicated in the progression of severe forms of non-alcoholic fatty liver disease(NAFLD). NADPH oxidase produces reactive oxygen species. In the present study, we investigated for the first time two single nucleotide polymorphisms(SNPs) in the regulatory region of genes encoding NADPH oxidase 4(NOX4) and p22 phox(CYBA) in ***: A total of 207 biopsy-proven NAFLD patients [simple steatosis(n = 27); nonalcoholic steatohepatitis(NASH)(n = 180)] were evaluated. Genomic DNA was extracted from peripheral blood cells, and polymorphisms in CYBA(unregistered) and NOX4(rs3017887) were determined by direct sequencing of ***: Associations of CYBA-675 T/A with high-density lipoprotein(HDL)(TT vs TA vs AA; P < 0.01) and triglycerides(TGL)(TT vs XA; P < 0.01) were observed only in NASH patients. For polymorphisms in the NOX4 gene, NOX4(rs3017887) CA + AA genotypes was significant associated with alanine aminotransferase(ALT)(CA + AA vs CC; P = 0.02). However, there was no association of SNPs in the CYBA and NOX4 genes encoding the NADPH oxidase system proteins and the presence of NASH. Regarding the clinical results, it was observed that the most advanced degrees of fibrosis occurred in patients diagnosed with type 2 diabetes mellitus(66.9% vs 37.5%, P < 0.01) and those who were more obese(32.2 vs 29.0 kg/m2,P < 0.01). In addition, serum glucose and insulin levels increased significantly in the presence of ***: There were associations between the presence of the allele A in the NOX4 SNP and a higher concentration of ALT in the NAFLD population; between the presence of the AA genotype in the polymorphism of the CYBA-675 T/A CYBA gene and a higher level of TGL and lower HDL in NASH patients. The presence of metabolic syndrome was associated with advanced degrees of fibrosis in NAFLD patients.

关键词： Non-alcoholic fatty liver disease Nonalcoholic steatohepatitis Genetic polymorphism Metabolic syndrome

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A Two-Scale Multi-Physics Deep Learning Model for Smart MEMS Sensors

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Journal of Materials Science and Chemical Engineering 2021年第8期9卷 41-52页

作者： josé Pablo Quesada-Molina stefano Mariani Department of Civil and Environmental Engineering Politecnico di Milano Milano Italy Department of Mechanical Engineering Universidad de Costa Rica Rodrigo Facio Brenes Campus San José Costa Rica

Smart materials and structures, especially those bio-inspired, are often characterized by a hierarchy of length- and time-scales. Smart Micro Electro-Mechanical Systems (MEMS) are also characterized by different physical phenomena affecting their properties at different scales. Data-driven formulations can then be helpful to deal with the complexity of the multi-physics governing their response to the external stimuli, and optimize their performances. As an example, Lorentz force micro-magnetometers working principle rests on the interaction of a magnetic field with a current flowing inside a semiconducting, micro-structured medium. If an alternating current with a properly set frequency is let to flow longitudinally in a slender beam, the system is driven into resonance and the sensitivity to the magnetic field may result largely enhanced. In our former activity, a reduced-order physical model of the movable structure of a single-axis Lorentz force MEMS magnetometer was developed, to feed a multi-objective topology optimization procedure. That model-based approach did not account for stochastic effects, which lead to the scattering in the experimental data at the micrometric length-scale. The formulation is here improved to allow for stochastic effects through a two-scale deep learning model designed as follows: at the material scale, a neural network is adopted to learn the scattering in the mechanical properties of polysilicon induced by its polycrystalline morphology;at the device scale, a further neural network is adopted to learn the most important geometric features of the movable parts that affect the overall performance of the magnetometer. Some preliminary results are discussed, and an extension to allow for size effects is finally foreseen.

关键词： Machine Learning Artificial Neural Networks Polysilicon MEMS Uncer-tainty Quantification Lorentz Force Magnetometer

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Modelling fuel loads of understorey vegetation and forest floor components in pine stands in NW Spain

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Forest Ecosystems 2022年第6期9卷 775-789页

作者： jose A.Vega stefano Arellano-Perez Juan Gabriel Alvarez-Gonzalez Cristina Fernandez Enrique Jimenez Pedro Cuinas jose María Fernandez-Alonso Daniel J.Vega-Nieva Fernando Castedo-Dorado Cecilia Alonso-Rego Teresa Fontúrbel Ana Daría Ruiz-Gonzalez Centro de Investigacion Forestal de Lourizan PO Box 12736080PontevedraSpain Unidad de Gestion Ambiental y Forestal Sostenible(UXAFORES) Departamento de Ingeniería AgroforestalEscuela Politecnica Superior de IngenieríaUniversidad de Santiago de CompostelaCampus Universitario s/n27002LugoSpain Facultad de Ciencias Forestales Universidad Juarez del Estado de DurangoRío Papaloapan y Blvd.Durango s/nCol.Valle del Sur34120DurangoMexico Departamento de Ingeniería y Ciencias Agrarias Universidad de LeonCampus de Ponferrada24401PonferradaSpain

In this study,310 destructively sampled plots were used to develop two equation systems for the three main pine species in NW Spain(***;*** and ***):one for estimating loads of understorey fuel components by size and condition(live and dead)and another one for forest floor *** systems of equations were simultaneously fitted for estimating fuel loads using overstorey,understorey and forest floor variables as *** systems of equations included both the effect of pine species and the effect of understorey compositions dominated by ferns-brambles or by woody species,due to their obvious structural and physiological *** general,the goodness-of-fit statistics indicated that the estimates were reasonably robust and accurate for all of the fuel *** best results were obtained for total understorey vegetation,total forest floor and raw humus fuel loads,with more than 76%of the observed variability explained,whereas the poorest results were obtained for coarse fuel loads of understory vegetation with a 53%of observed variability *** reduce the overall costs associated with the field inventories necessary for operational use of the models,the additive systems were fitted again using only overstorey variables as potential *** relationships for fine(<6 mm)and total understorey vegetation and total forest floor fuel loads were obtained,indicating the complexity of the forest overstorey-understorey and overstorey-forest floor ***,these models explained around 52%of the observed ***,equations estimating the total understorey vegetation and the total forest floor fuel loads based only on canopy cover were *** models explained only 26%-32%of the observed variability;however,their main advantage is that although understorey vegetation in forested landscapes is largely invisible to remote sensing,canopy cover can be estimated with moderate accuracy,allowin

关键词： Area-based approach Additive equation systems Live and dead fine fuel Pinus pinaster Pinus radiata Pinus sylvestris

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A Two-Scale Multi-Physics Deep Learning Model for Smart MEMS Sensors

A Two-Scale Multi-Physics Deep Learning Model for Smart MEMS...

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作者： josé Pablo Quesada-Molina stefano Mariani Department of Civil and Environmental Engineering Politecnico di Milano Department of Mechanical Engineering Universidad de Costa RicaRodrigo Facio Brenes Campus

Smart materials and structures, especially those bio-inspired, are often characterized by a hierarchy of length-and time-scales. Smart Micro Electro-Mechanical Systems（MEMS） are also characterized by different physical phenomena affecting their properties at different scales. Data-driven formulations can then be helpful to deal with the complexity of the multi-physics governing their response to the external stimuli, and optimize their performances. As an example, Lorentz force micro-magnetometers working principle rests on the interaction of a magnetic field with a current flowing inside a semiconducting, micro-structured medium. If an alternating current with a properly set frequency is let to flow longitudinally in a slender beam, the system is driven into resonance and the sensitivity to the magnetic field may result largely enhanced. In our former activity, a reduced-order physical model of the movable structure of a single-axis Lorentz force MEMS magnetometer was developed, to feed a multi-objective topology optimization procedure. That model-based approach did not account for stochastic effects, which lead to the scattering in the experimental data at the micrometric length-scale. The formulation is here improved to allow for stochastic effects through a two-scale deep learning model designed as follows: at the material scale, a neural network is adopted to learn the scattering in the mechanical properties of polysilicon induced by its polycrystalline morphology;at the device scale, a further neural network is adopted to learn the most important geometric features of the movable parts that affect the overall performance of the magnetometer. Some preliminary results are discussed, and an extension to allow for size effects is finally foreseen.

关键词： Machine Learning Artificial Neural Networks Polysilicon MEMS Uncertainty Quantification Lorentz Force Magnetometer

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Triple-modal imaging of stem-cells labeled with multimodal nanoparticles, applied in a stroke model

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World Journal of Stem Cells 2019年第2期11卷 100-123页

作者： Helio Rodrigues da Silva Javier Bustamante Mamani Mariana Penteado Nucci Leopoldo Penteado Nucci Andrea Tiemi Kondo Daianne Maciely Carvalho Fantacini Lucas Eduardo Botelho de Souza Virginia Picanço-Castro Dimas tadeu Covas josé Mauro Kutner Fernando Anselmo de Oliveira Nelson Hamerschlak Lionel Fernel Gamarra Hospital Israelita Albert Einstein LIM44 Hospital das Clinicas HCFMUSP Faculdade de MedicinaUniversidade de São Paulo Centro Universitário do Planalto Central Faculdade de Medicina de Ribeirão Preto Universidade de São Paulo

BACKGROUND Mesenchymal stem cells(MSCs) have been widely tested for their therapeutic efficacy in the ischemic brain and have been shown to provide several benefits. A major obstacle to the clinical translation of these therapies has been the inability to noninvasively monitor the best route, cell doses, and collateral effects while ensuring the survival and effective biological functioning of the transplanted stem cells. Technological advances in multimodal imaging have allowed in vivo monitoring of the biodistribution and viability of transplanted stem cells due to a combination of imaging technologies associated with multimodal nanoparticles(MNPs) using new labels and covers to achieve low toxicity and longtime residence in *** To evaluate the sensitivity of triple-modal imaging of stem cells labeled with MNPs and applied in a stroke *** After the isolation and immunophenotypic characterization of human bonemarrow MSCs(hBM-MSCs), our team carried out lentiviral transduction of these cells for the evaluation of bioluminescent images(BLIs) in vitro and in vivo. In addition, MNPs that were previously characterized(regarding hydrodynamic size, zeta potential, and optical properties), and were used to label these cells,analyze cell viability via the 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide assay and BLI analysis, and quantify the internalization process and iron load in different concentrations of MNPs via magnetic resonance imaging(MRI),near-infrared fluorescence(NIRF), and inductively coupled plasma-mass spectrometry(ICP-MS). In in vivo analyses, the same labeled cells were implanted in a sham group and a stroke group at different times and under different MNP concentrations(after 4 h or 6 d of cell implantation) to evaluate the sensitivity of triple-modal *** hBM-MSC collection and isolation after immunophenotypic characterization were demonstrated to be adequate in hBM samples. After transduction of these cells with

关键词： Multimodal nanoparticles Human bone marrow mesenchymal stem cells Near-infrared fluorescence image Magnetic resonance image Bioluminescence Stroke

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