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General anesthetic agents induce neurotoxicity through astrocytes

neural Regeneration Research 2024年第6期19卷 1299-1307页

作者： Yanchang Yang Tiantian Liu Jun Li Dandan Yan Yuhan hu Pin Wu Fuquan Fang Patrick M.McQuillan Wenxin Hang Jianhang Leng Zhiyong hu Department of Anesthesiology The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang ProvinceChina Department of Anesthesiology Ningbo Women and Children’s HospitalNingboZhejiang ProvinceChina Department of Anesthesiology Shulan(Hangzhou)Hospital Affiliated to Zhejiang Shuren University Shulan International Medical CollegeHangzhouZhejiang ProvinceChina Cell Biology Department Yale UniversityNew HavenCTUSA Department of Anesthesiology Penn State Hershey Medical CentrePenn State College of MedicineHersheyPAUSA Department of Central Laboratory Affiliated Hangzhou First People’s HospitalZhejiang University School of MedicineHangzhouZhejiang ProvinceChina

neuroscientists have recognized the importance of astrocytes in regulating neurological function and their influence on the release of glial *** studies,however,have focused on the effects of general anesthetic agents on neuroglia or *** can also be an important target of general anesthetic agents as they exert not only sedative,analgesic,and amnesic effects but also mediate general anesthetic-induced neurotoxicity and postoperative cognitive ***,we analyzed recent advances in understanding the mechanism of general anesthetic agents on astrocytes,and found that exposure to general anesthetic agents will destroy the morphology and proliferation of astrocytes,in addition to acting on the receptors on their surface,which not only affect Ca^(2+)signaling,inhibit the release of brain-derived neurotrophic factor and lactate from astrocytes,but are even involved in the regulation of the pro-and anti-inflammatory processes of *** would obviously affect the communication between astrocytes as well as between astrocytes and neighboring neurons,other neuroglia,and vascular *** this review,we summarize how general anesthetic agents act on neurons via astrocytes,and explore potential mechanisms of action of general anesthetic agents on the nervous *** hope that this review will provide a new direction for mitigating the neurotoxicity of general anesthetic agents.

关键词： astrocytes brain-derived neurotrophic factor general anesthetic agents neuron neurotoxicity n-methyl-D-aspartate receptor perioperative neurocognition Toll-like receptor γ-aminobutyric acid receptor

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Cerebral small vessel disease modifies outcomes after minimally invasive surgery for intracerebral haemorrhage

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Stroke & Vascular neurology 2024年第4期9卷 446-456,I0147页

作者： Yunke Li Sung-Min Cho Radhika Avadhani Hassan Ali Yi Hao Santosh B Murthy Joshua n Goldstein Fan Xia Xin hu natalie L Ullman Issam Awad Daniel Hanley Wendy C Ziai The George Institute for Global Health BeijingChina Department of neurology Division of Neurocritical CareJohns Hopkins Medical InstitutionsBaltimoreMarylandUSA Department of neurology Division of Brain Injury OutcomesJohns Hopkins Medical Institutions CampusBaltimoreMarylandUSA Department of neurology Weill Cornell Medical CollegeNew YorkNew YorkUSA Department of Emergency Medicine Massachusetts General HospitalBostonMassachusettsUSA Department of neurosurgery West China Hospital of MedicineChengduSichuanChina Department of neurosurgery University of Chicago Pritzker School of MedicineChicagoIllinoisUSA

Background Minimally invasive surgery(MIS)for spontaneous supratentorial intracerebral haemorrhage(ICH)is controversial but may be beneficial if end-of-treatment(EOT)haematoma volume is reduced to≤15 *** explored whether MRI findings of cerebral small vessel disease(CSVD)modify the effect of MIS on long-term *** Prespecified blinded subgroup analysis of 288 subjects with qualified imaging sequences from the phase 3 Minimally Invasive Surgery Plus Alteplase for Intracerebral Haemorrhage Evacuation(MISTIE)*** tested for heterogeneity in the effects of MIS and MIS+EOT volume≤15 mL on the trial’s primary outcome of good versus poor function at 1 year by the presence of single CSVD features and CSVD scores using multivariable *** Of 499 patients enrolled in MISTIE III,288 patients had MRI,149(51.7%)randomised to MIS and 139(48.3%)to standard medical care(SMC).Median(IQR)ICH volume was 42(30–53)*** the full MRI cohort,there was no statistically significant heterogeneity in the effects of MIS versus SMC on 1-year outcomes by any specific CSVD feature or by CSVD scores(all P_(interaction)>0.05).In 94 MIS patients with EOT ICH volume≤15 mL,significant reduction in odds of poor outcome was found with cerebral amyloid angiopathy scorenteraction)=0.006),absence of lacunes(OR,0.37(0.18–0.80);P_(interaction)=0.02)and absence of severe white matter hyperintensities(WMHs)(OR,0.22(0.08–0.58);P_(interaction)=0.03).Conclusions Following successful haematoma reduction by MIS,we found significantly lower odds of poor functional outcome with lower total burden of CSVD in addition to absence of lacunes and severe *** features may have utility for prognostication and patient selection in clinical trials of MIS.

关键词： Surgery surgery absence

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Seasonal constraint of dynamic water temperature on riverine dissolved inorganic nitrogen transport in land surface modeling

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Atmospheric and Oceanic Science Letters 2024年第4期17卷 35-40页

作者： Shuang Liu Kaiheng hu Zhenghui Xie Yan Wang State Key Laboratory of Mountain Hazards and Engineering Safety Institute of Mountain Hazards and EnvironmentChinese Academy of SciencesChengduChina State Key Laboratory of numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina The national Key Laboratory of Water Disaster Prevention Nanjing Hydraulic Research InstituteNanjingChina

水体温度变化对河流可溶性无机氮(DIn)输送有着强烈控制作用.然而,在全球尺度上河流DIn输送量对水温度变化的响应尚不清楚.因此,本文基于陆面过程模式,耦合河流水温估算和DIn传输方案,设定有,无动态水温情景,对比研究陆面模拟中水温变... 详细信息

水体温度变化对河流可溶性无机氮(DIn)输送有着强烈控制作用.然而,在全球尺度上河流DIn输送量对水温度变化的响应尚不清楚.因此,本文基于陆面过程模式,耦合河流水温估算和DIn传输方案,设定有,无动态水温情景,对比研究陆面模拟中水温变化对河流DIn通量变化的影响.结果表明:在考虑水温动态变化后,在30°n和30°S之间, DIn通量年振幅减小5%–25%.在中国东部地区,水温动态变化使河流DIn通量在夏季减少1%–3%,在冬季增加1%–5%,对DIn通量具有明显的季节性约束作用,表明动态水温的表达在河流DIn输送模拟中的重要性.

关键词：陆面模拟河流氮输送水温变化季节变化全球尺度

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Impact of next-generation sequencing on antimicrobial treatment in immunocompromised adults with suspected infections

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World Journal of Emergency Medicine 2024年第2期15卷 105-110页

作者： Jia Li Jiazhen Luo Tao hu Ling Cheng Weiwei Shang Li Yan Department of Intensive Care Unit Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Department of Emergency Medicine Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Tongji Medical College Huazhong University of Science and TechnologyWuhan 430030China Department of Geriatrics Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China

BACKGROUnD:Prompt pathogen identification can have a substantial impact on the optimization of antimicrobial *** objective of the study was to assess the diagnostic value of next-generation sequencing(nGS)for identifying pathogen and its clinical impact on antimicrobial intervention in immunocompromised patients with suspected ***:This was a retrospective *** January and August 2020,47 adult immunocompromised patients underwent nGS testing under the following clinical conditions:1)prolonged fever and negative conventional cultures;2)new-onset fever despite empiric antimicrobial treatment;and 3)afebrile with suspected infections on *** data,including conventional microbial test results and antimicrobial treatment before and after nGS,were *** were analyzed according to documented changes in antimicrobial treatment(escalated,no change,or deescalated)after the nGS ***:The median time from hospitalization to nGS sampling was 19 *** relevant pathogens were detected via nGS in 61.7% of patients(29/47),more than half of whom suffered from fungemia(n=17),resulting in an antimicrobial escalation in 53.2% of patients(25/47)and antimicrobial de-escalation in 0.2% of patients(1/47).Antimicrobial changes were mostly due to the identification of fastidious organisms such as Legionella,Pneumocystis jirovecii,and *** the remaining three cases,nGS detected clinically relevant pathogens also detected by conventional cultures a few days *** antimicrobial treatment was subsequently adjusted according to the susceptibility test ***,nGS changed antimicrobial management in 55.3%(26/47)of patients,and conventional culture detected clinically relevant pathogens in 14.9% of the patients(7/47).COnCLUSIOn:With its rapid identification and high sensitivity,nGS could be a promising tool for identifying relevant pathogens and enabling rapid appropriate treatment in immunocompromised patients w

关键词： Immunocompromised patients next-generation sequencing Antimicrobial management

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Asymmetric configuration activating lattice oxygen via weakening d-p orbital hybridization for efficient C/n separation in urea overall electrolysis

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Journal of Energy Chemistry 2024年第5期92卷 233-239页

作者： Chongchong Liu Peifang Wang Bin hu Xiaoli Liu Rong huang Gang Zhou Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education College of EnvironmentHohai UniversityNanjing 210098JiangsuChina

Urea oxidation reaction(UOR)is proposed as an exemplary half-reaction in renewable energy applications because of its low thermodynamical ***,challenges persist due to sluggish reaction kinetics and complex by-products *** this end,we introduce the lattice oxygen oxidation mechanism(LOM),propelling a novel UOR route using a modified CoFe layered double hydroxide(LDH)catalyst termed *** calculations and in-situ characterizations highlight the activated lattice oxygen(O_(L))within CFRO-7 as pivotal sites for UOR,optimizing the reaction pathway and accelerating the *** the urea overall electrolysis application,the LOM route only requires a low voltage of 1.54 V to offer a high current of 100 mA cm^(-2) for long-term utilization(>48 h).Importantly,the by-product nCO^(-)−is significantly suppressed,while the CO_(2)2/n_(2) separation is efficiently *** work proposed a pioneering paradigm,invoking the LOM pathway in urea electrolysis to expedite reaction dynamics and enhance product selectivity.

关键词： Lattice oxygen Urea oxidation reaction Overall electrolysis Products selectivity

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Ultrafine nano-copper derived from dopamine polymerization&synchronous adsorption achieve electrochemical purification of nitrate to ammonia in complex water environments

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Chinese Chemical Letters 2024年第8期35卷 383-390页

作者： Xue Zhao Mengshan Chen Dan Wang Haoran Zhang Guangzhi hu Yingtang Zhou Faculty of Chemistry and Chemical Engineering Yunnan Normal UniversityKunming 650092China national Engineering Research Center for Marine Aquaculture Marine Science and Technology CollegeZhejiang Ocean UniversityZhoushan 316004China College of Chemistry nankai University Nankai UniversityTianjing 300071China Institute for Ecological Research and Pollution Control of Plateau Lakes School of Ecology and Environmental ScienceYunnan UniversityKunming 650504China

Electrochemical-nitrate-reduction-reaction(enitRR)synthesis of ammonia is an effective way to treat ni-trate wastewater and alleviate the pressure of the Haber-Bosch ammonia production *** to develop effective catalysts to electrochemically reduce nitrate to ammonia and purify sewage under com-plex environmental conditions is the focus of current ***,the dopamine polymerization pro-cess and the[(C_(12)H_(8)n_(2))_(2)Cu]^(2+)complex embedding process were run simultaneously in time and space,and ultrafine Cu nanoparticles(Cu/Cn)were effectively loaded on nitrogen-doped carbon after heat *** Cu/Cn as the catalyst,the ammonia yield rate and Faradaic efficiency of the electrochemical conversion of nO_(3)^(-)to nH_(3)are highly 8984.0μg h^(−1)mg cat.^(−1)and 95.6%,*** in the face of complex water environments,such as neutral media,acidic media,coexisting ions,and actual nitrate wastewater,nitrate wastewater can be effectively purified to form high value-added *** strat-egy of simultaneous embedding increases the exposure rate of Cu sites,and the support of Cn is also beneficial to reduce the energy barrier of ^(∗)nO_(3)*** study rationally designed catalysts that are beneficial to enitRR,and considered the situation faced by practical applications during the research stage,reducing the performance gap between laboratory exploration and industrial applications.

关键词： Electrochemical nitrate reduction reaction Synthetic ammonia Sewage treatment nano copper Dopamine

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Synergy of heterogeneous Co/ni dual atoms enabling selective C-O bond scission of lignin coupling with in-situ n-functionalization

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Journal of Energy Chemistry 2024年第5期92卷 16-25页

作者： Baoyu Wang Jinshu huang Hongguo Wu Ximing Yan Yuhe Liao hu Li national Key Laboratory of Green Pesticide Key Laboratory of Green Pesticide&Agricultural BioengineeringMinistry of EducationState-Local Joint Laboratory for Comprehensive Utilization of BiomassCollege of Pharmacy&Center for R&D of Fine ChemicalsGuizhou UniversityGuiyang 550025GuizhouChina Guangxi Key Laboratory of Green Chemical Materials and Safety Technology Beibu Gulf UniversityQinzhou 535011GuangxiChina Guangzhou Institute of Energy Conversion Chinese Academy of SciencesGuangzhou 510640GuangdongChina

Selective cleavage of Csp^(2)-OCH_(3)bond in lignin without breaking other types of C-O bonds followed by n-functionalization is fascinating for on-purpose valorization of ***,a Co/ni-based dual-atom catalyst ConiDA@nC prepared by in-situ evaporation and acid-etching of metal species from tailor-made metal–organic frameworks was efficient for reductive upgrading of various lignin-derived phenols to cyclohexanols(88.5%–99.9%yields),which had ca.4 times higher reaction rate than the single-atom catalyst and was superior to state-of-the-art heterogeneous *** synergistic catalysis of Co/ni dual atoms facilitated both hydrogen dissociation and hydrogenolysis steps,and could optimize adsorption configuration of lignin-derived methoxylated phenols to further favor the Csp^(2)-OCH_(3)cleavage,as elaborated by theoretical ***,the Coni_(DA)@nC catalyst was highly recyclable,and exhibited excellent demethoxylation performance(77.1%yield)in real lignin monomer *** in-situ cascade conversion processes assisted by dual-atom catalysis,various high-value n-containing chemicals,including caprolactams and cyclohexylamines,could be produced from lignin.

关键词： Biomass conversion Heterogeneous catalysis Lignin Dual-atom catalyst Selective C-ocleavage

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Excessive manure application stimulates nitrogen cycling but only weakly promotes crop yields in an acidic Ultisol:Results from a 20-year field experiment

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Journal of Integrative Agriculture 2024年第7期23卷 2434-2445页

作者： Song Wan Yongxin Lin Hangwei hu Milin Deng Jianbo Fan Jizheng He Key Laboratory for humid Subtropical Eco-geographical Processes of Ministry of Education School of Geographical Sciences/School of Carbon Neutrality Future TechnologyFujian Normal UniversityFuzhou 350007China School of Agriculture and Food Faculty of ScienceThe University of MelbourneParkvilleVictoria 3010Australia State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil ScienceChinese Academy of SciencesNanjing 210008China

Population growth and growing demand for livestock products produce large amounts of manure,which can be harnessed to maintain soil sustainability and crop ***,the impacts of excessive manure application on crop yields,nitrogen(n)-cycling processes and microorganisms remain ***,we explored the effects of 20-year of excessive rates(18 and 27 Mg ha^(–1)yr^(–1))of pig manure application on peanut crop yields,soil nutrient contents,n-cycling processes and the abundance of n-cycling microorganisms in an acidic Ultisol in summer and winter,compared with none and a regular rate(9 Mg ha^(–1)yr^(–1))of pig manure ***-term excessive pig manure application,especially at the high-rate,significantly increased soil nutrient contents,the abundance of n-cycling functional genes,potential nitrification and denitrification activity,while it had a weaker effect on peanut yield and plant *** with manure application,seasonality had a much weaker effect on n-cycling gene *** forest analysis showed that available phosphorus(AP)content was the primary predictor for n-cycling gene abundance,with significant and positive associations with all tested n-cycling *** study clearly illustrated that excessive manure application would increase n-cycling gene abundance and potential n loss with relatively weak promotion of crop yields,providing significant implications for sustainable agriculture in the acidic Ultisols.

关键词： denitrification manure amendment nitrification n-cycling functional genes peanut yields

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Exosomal let-7a-5p derived from human umbilical cord mesenchymal stem cells alleviates coxsackievirus B3-induced cardiomyocyte ferroptosis via the SMAD2/ZFP36 signal axis

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第5期25卷 422-437页

作者： Xin LI Yanan hu Yueting WU Zuocheng YAnG Yang LIU Hanmin LIU Department of Pediatric Pulmonology and Immunology West China Second University HospitalSichuan UniversityChengdu 610041China Key Laboratory of Birth Defects and Related Diseases of Women and Children(Sichuan University) Ministry of EducationChengdu 610041China nHC Key Laboratory of Chronobiology(Sichuan University) Chengdu 610041China The Joint Laboratory for Lung Development and Related Diseases of West China Second University Hospital Sichuan University and School of Life Sciences of Fudan UniversityWest China Institute of Women and Children's HealthWest China Second University HospitalSichuan UniversityChengdu 610041China Sichuan Birth Defects Clinical Research Center West China Second University HospitalSichuan UniversityChengdu 610041China Department of Pediatrics the Third Xiangya HospitalCentral South UniversityChangsha 410013China

Viral myocarditis(VMC)is one of the most common acquired heart diseases in children and ***,its pathogenesis is still unclear,and effective treatments are *** study aimed to investigate the regulatory pathway by which exosomes alleviate ferroptosis in cardiomyocytes(CMCs)induced by coxsackievirus B3(CVB3).CVB3 was utilized for inducing the VMC mouse model and cellular *** echocardiography,left ventricular ejection fraction(LVEF),and left ventricular fractional shortening(LVFS)were implemented to assess the cardiac *** CVB3-induced VMC mice,cardiac insufficiency was observed,as well as the altered levels of ferroptosis-related indicators(glutathione) peroxidase 4(GPX4),glutathione(GSH),and malondialdehyde(MDA).However,exosomes derived from human umbilical cord mesenchymal stem cells(hucMSCs-exo)could restore the changes caused by CVB3 ***-7a-5p was enriched in hucMSCs-exo,and the inhibitory ffect of hucMSCs-exoa-ie-pmimo on CVB3-induced ferroptosis was higher than that of hucMSCs-exommie n(nC:negative control).Mothers against decapentaplegic homolog 2(SMAD2)increased in the VMC group,while the expression of zinc-finger protein 36(ZFP36)***-7a-5p was confirmed to interact with SMAD2 messenger RnA(mRnA),and the SMAD2 protein interacted directly with the ZFP36 *** SMAD2 and overexpressing ZFP36 inhibited the expression of ferroptosis-related ***,the levels of GPX4,solute carrier family 7,member 11(SLC7A11),and GSH were lower in the SMAD2 overexpression plasmid(oe-SMAD2)+let-7a-5p mimic group than in the oe-nC+let-7a-5p mimic group,while those of MDA,reactive oxygen species(ROS),and Fe^(2+)*** conclusion,these data showed that ferroptosis could be regulated by mediating SMAD2 ***-let-7a-5p derived from hucMSCs could mediate SMAD2 to promote the expression of ZFP36,which further inhibited the ferroptosis of CMCs to alleviate CVB3-induced VMC.

关键词： Exosome Let-7a-5p Mothers against decapentaplegic homolog 2(SMAD2) Coxsackievirus B3(CVB3) Ferroptosis

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Reversed charge transfer induced by nickel in Fe-ni/Mo_(2)C@nitrogen-doped carbon nanobox for promoted reversible oxygen electrocatalysis

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Journal of Energy Chemistry 2024年第1期88卷 202-212,I0005页

作者： Zhicheng nie Lei Zhang Qiliang Zhu Zhifan Ke Yingtang Zhou Thomas Wågberg Guangzhi hu School of Materials Science and Engineering Anhui University of Science and TechnologyHuainan 232001AnhuiChina Institute for Ecological Research and Pollution Control of Plateau Lakes School of Ecology and Environmental ScienceYunnan UniversityKunming 650504YunnanChina national Engineering Research Center for Marine Aquaculture Marine Science and Technology CollegeZhejiang Ocean UniversityZhoushan 316004ZhejiangChina Department of Physics UmeåUniversityUmeåS-90187Sweden

The interaction between metal and support is critical in oxygen catalysis as it governs the charge transfer between these two entities,influences the electronic structures of the supported metal,affects the adsorption energies of reaction intermediates,and ultimately impacts the catalytic *** this study,we discovered a unique charge transfer reversal phenomenon in a metal/carbon nanohybrid ***,electrons were transferred from the metal-based species to n-doped carbon,while the carbon support reciprocally donated electrons to the metal domain upon the introduction of *** led to the exceptional electrocatalytic performances of the resulting ni-Fe/Mo_(2)C@nitrogen-doped carbon catalyst,with a half-wave potential of 0.91 V towards oxygen reduction reaction(ORR)and a low overpotential of 290 m V at 10 mA cm^(-2)towards oxygen evolution reaction(OER)under alkaline ***,the Fe-ni/Mo_(2)C@carbon heterojunction catalyst demonstrated high specific capacity(794 mA h g_(Zn)~(-1))and excellent cycling stability(200 h)in a Zn-air *** calculations revealed that Mo_(2)C effectively inhibited charge transfer from Fe to the support,while secondary doping of ni induced a charge transfer reversal,resulting in electron accumulation in the Fe-ni alloy *** local electronic structure modulation significantly reduced energy barriers in the oxygen catalysis process,enhancing the catalytic efficiency of both ORR and ***,our findings underscore the potential of manipulating charge transfer reversal between the metal and support as a promising strategy for developing highly-active and durable bi-functional oxygen electrodes.

关键词： Metal-support interaction Charge transfer reversal Oxygen reduction reaction Oxygen evolution reaction Zinc-air battery

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