检索结果-南通市图书馆

Inflammasome activation under high cholesterol load triggers a protective microglial phenotype while promoting neuronal pyroptosis

引用

Translational Neurodegeneration 2023年第1期12卷 722-744页

作者： Cristina de Dios Xenia Abadin Vicente Roca-Agujetas Marina Jimenez-Martinez albert morales Ramon Trullas Montserrat Mari Anna Colell Department of Cell Death and Proliferation Institut d’Investigacions Biomèdiques de BarcelonaConsejo Superior de Investigaciones Científicas(CSIC)Institut d’Investigacions Biomèdiques August Pi I Sunyer(IDIBAPS)BarcelonaSpain Centro de Investigación Biomédica en Red Sobre Enferme-dades Neurodegenerativas(CIBERNED) MadridSpain Department of Biomedicine Faculty of MedicineUniversitat de BarcelonaBarcelonaSpain Present Address:Department of Biochemistry and Molecular Biology Faculty of PharmacyUniversidad de Sevilla.Instituto de Biomedicina de Sevilla(IBiS)-Hospital Universitario Virgen del Rocío/CSICSevilleSpain Present Address:Department of Clinical Immunology and Rheumatology Amsterdam UMCAmsterdamNetherlands

Background Persistent inflammatory response in the brain can lead to tissue damage and *** Alzheimer’s disease(AD),there is an aberrant activation of inflammasomes,molecular platforms that drive inflammation through caspase-1-mediated proteolytic cleavage of proinflammatory cytokines and gasdermin D(GSDMD),the executor of ***,the mechanisms underlying the sustained activation of inflammasomes in AD are largely *** have previously shown that high brain cholesterol levels promote amyloid-β(Aβ)accumulation and oxidative ***,we investigate whether these cholesterol-mediated changes may regulate the inflam-masome *** SIM-A9 microglia and SH-SY5Y neuroblastoma cells were cholesterol-enriched using a water-soluble cholesterol *** exposure to lipopolysaccharide(LPS)plus muramyl dipeptide or Aβ,activation of the inflammasome pathway was analyzed by immunofluorescence,ELISA and immunoblotting ***-labeled Aβwas employed to monitor changes in microglia *** medium was used to study how microglia-neuron interrelationship modulates the inflammasome-mediated *** In activated microglia,cholesterol enrichment promoted the release of encapsulated IL-1βaccompanied by a switch to a more neuroprotective phenotype,with increased phagocytic capacity and release of neurotrophic *** contrast,in SH-SY5Y cells,high cholesterol levels stimulated inflammasome assembly triggered by both bacterial toxins and Aβpeptides,resulting in GSDMD-mediated ***(GSH)ethyl ester treatment,which recovered the cholesterol-mediated depletion of mitochondrial GSH levels,significantly reduced the Aβ-induced oxidative stress in the neuronal cells,resulting in lower inflammasome activation and cell ***,using conditioned media,we showed that neuronal pyroptosis affects the function of the cholesterol-enriched microglia,lowering its phagocytic activity and,the

关键词： Neuroinflammation Mitochondrial oxidative stress Phagocytosis Alzheimer’s disease DAM signature NLRP3

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Boosting third-harmonic generation by a mirror-enhanced anapole resonator

引用

Light(Science & Applications) 2018年第1期7卷 661-668页

作者： Lei Xu Mohsen Rahmani Khosro Zangeneh Kamali Aristeidis Lamprianidis Lavinia Ghirardini Jürgen Sautter Rocio Camacho-morales Haitao Chen Matthew Parry Isabelle Staude Guoquan Zhang Dragomir Neshev Andrey E.Miroshnichenko School of Engineering and Information Technology University of New South WalesCanberraACT 2600Australia Nonlinear Physics Centre The Australian National UniversityCanberraACT 2601Australia Department of Physics Politecnico di MilanoPiazza Leonardo Da Vinci 3220133 MilanItaly Institute of Applied Physics Abbe Center of PhotonicsFriedrich Schiller University JenaAlbert-Einstein-Str.1507745 JenaGermany The MOE Key Laboratory of Weak Light Nonlinear Photonics School of Physics and TEDA Applied Physics InstituteNankai UniversityTianjin 300457China

We demonstrate that a dielectric anapole resonator on a metallic mirror can enhance the third harmonic emission by two orders of magnitude compared to a typical anapole resonator on an insulator *** employing a gold mirror under a silicon nanodisk,we introduce a novel characteristic of the anapole mode through the spatial overlap of resonantly excited Cartesian electric and toroidal dipole *** is a remarkable improvement on the early demonstrations of the anapole mode in which the electric and toroidal modes interfere ***,our system produces a significant near-field enhancement,facilitating the nonlinear ***,the mirror surface boosts the nonlinear emission via the free-charge oscillations within the interface,equivalent to producing a mirror image of the nonlinear source and the pump beneath the *** found that these improvements result in an extremely high experimentally obtained efficiency of 0.01%.

关键词： resonator pump mirror

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Routine invasive strategy and frailty burden in non-ST-segment elevation acute myocardial infarction

引用

Journal of Geriatric Cardiology 2024年第10期21卷 954-961页

作者： albert Ariza-Solé Juan Andrés Bermeo Francesc Formiga Héctor Bueno Gemma Miñana Oriol Alegre David Martí Manuel Martínez-Sellés Laura Domínguez-Pérez Pablo Díez-Villanueva JoséA Barrabés Francisco Marín Adolfo Villa Marcelo Sanmartín Cinta Llibre Alessandro Sionís Antoni Carol Sergio García-Blas María Josémorales Gallardo Jaime Elízaga Iván Gómez-Blázquez Fernando Alfonso Bruno García Del Blanco Julio Núñez Juan Sanchis Cardiology Department Hospital Universitari de BellvitgeL’Hospitalet de LlobregatBarcelonaSpain Internal Medicine Department Hospital Universitari de BellvitgeL’Hospitalet de LlobregatBarcelonaSpain Centro Nacional de Investigaciones Cardiovasculares(CNIC) MadridSpain.Cardiology DepartmentHospital 12 de Octubreand Instituto de Investigación Sanitaria Hospital 12 de Octubre(imas12)MadridCIBERCVMadridSpain.Universidad ComplutenseMadridSpain Cardiology Department Hospital Clínico Universitario de ValenciaINCLIVAUniversidad de ValenciaCIBERCVValenciaSpain Cardiology Department Hospital Central de la DefensaMadridSpain Cardiology Department Hospital Universitario Gregorio MarañónCIBERCVUniversidad ComplutenseUniversidad EuropeaMadridSpain Cardiology Department Hospital Universitario La PrincesaIIS-IPCIBERCVMadridSpain Cardiology Department Hospital Universitari Vall d’HebronCIBERCVBarcelonaSpain Cardiology Department Hospital Virgen de la ArrixacaCIBERCVEl PalmarMurciaSpain Cardiology Department Hospital Universitario del SuresteArganda del ReyMadridSpain Cardiology Department Hospital Ramon y CajalCIBERCVMadridSpain Cardiology Department Hospital Germans Trias i PujolCIBERCVBadalonaBarcelonaSpain Cardiology Department Hospital Sant PauCIBERCVBarcelonaSpain Cardiology Department Hospital Moisés BroggiSant Joan DespíBarcelonaSpain

Objective To assess the prognostic impact of a routine invasive strategy according to the frailty burden in patients with non-ST-segment elevation myocardial infarction(NSTEMI)from the MOSCA-FRAIL clinical *** The MOSCA-FRAIL trial randomized 167 frail patients,defined by a Clinical Frailty Scale(CFS)≥4,with NSTEMI to an invasive or conservative *** primary endpoint was the number of days alive and out of hospital(DAOH)one year after *** this subanalysis,we compared the impact of an invasive strategy on the outcomes between vulnerable(CFS=4,n=43)and frail(CFS>4,n=124)*** Compared to vulnerable patients,frail patients presented lower values of DAOH(289.8 vs.320.6,P=0.146),more read-missions(1.03 vs.0.58,P=0.046)and higher number of days spent at the hospital during the first year(10.8 vs.3.8,P=0.014).The cau-ses of readmission were mostly non-cardiac(56%).Among vulnerable patients,DAOH were similar regardless of strategy(invasive ***:325.7 vs.314.7,P=0.684).Among frailest patients,the invasive group tended to have less DAOH(267.7 vs.311.1,P=0.117).Indeed,patients with CFS>4,invasively managed lived 29 days less than their conservative *** contrast,the-re were no differences in the subgroup with CFS=*** Adult patients with frailty and NSTEMI showed different prognosis according to the degree of frailty.A routine in-vasive strategy does not improve outcomes and might be harmful to the frailest patients.

关键词： routine invasive infarction

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：