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Activation and polarization of striatal microglia and astrocytes are involved in bradykinesia and allodynia in early-stage parkinsonian mice

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Fundamental Research 2024年第4期4卷 806-819页

作者： Xue Zhang Zi-Lin Shen ya-Wei ji Cui Yin Cheng Xiao Chunyi Zhou jiangsu Province Key Laboratory of Anesthesiology School of AnesthesiologyXuzhou Medical UniversityXuzhou 221004China jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology Xuzhou Medical UniversityXuzhou 221004China NmPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs School of AnesthesiologyXuzhou Medical UniversityXuzhou 221004China

In addition to the cardinal motor symptoms,pain is a major non-motor symptom of Parkinson's disease(PD).Neuroinflammation in the substantia nigra pars compacta and dorsal striatum is involved in neurodegeneration in *** the polarization of microglia and astrocytes in the dorsal striatum and their contribution to motor deficits and hyperalgesia in PD have not been *** the present study,we observed that hemiparkinsonian mice established by unilateral 6-OHDA injection in the medial forebrain bundle exhibited motor deficits and mechanical *** these mice,both microglia and astrocytes in the dorsal striatum were activated and polarized to m1/m2 microglia and A1/A2 astrocytes as genes specific to these cells were *** effects peaked 7 days after 6-OHDA ***,striatal astrocytes in parkinsonian mice also displayed hyperpolarized membrane potentials,enhanced voltage-gated potassium currents,and dysfunction in inwardly rectifying potassium channels and glutamate *** administration of minocycline,a microglia inhibitor,attenuated the expression of genes specific to m1 microglia and A1 astrocytes in the dorsal striatum(but not those specific to m2 microglia and A2 astrocytes),attenuated the damage in the nigrostriatal dopaminergic system,and alleviated the motor deficits and mechanical allodynia in parkinsonian *** contrast,local administration of minocycline into the dorsal striatum of parkinsonian mice mitigated only *** study suggests that m1 microglia and A1 astrocytes in the dorsal striatum may play important roles in the development of pathophysiology underlying hyperalgesia in the early stages of PD.

关键词： Parkinson's disease Dopaminergic system Striatum microglia Astrocytes Substantia nigra pars compacta

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global research trends and hotspots in overweight/obese comorbid with depression among children and adolescents: A bibliometric analysis

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World journal of Psychiatry 2024年第8期14卷 1267-1284页

作者： ya-Qi Wang Tao-Tao Wu yan Li Shi-En Cui Ying-Shuai Li College of Basic medical Sciences Zhejiang Chinese Medical UniversityHangzhou 310051Zhejiang ProvinceChina National Institute of Traditional Chinese medicine Constitution and Preventive Treatment of Diseases Beijing University of Chinese MedicineBeijing 100029China

BACKgROUND Overweight/obesity combined with depression among children and adolescents(ODCA)is a global *** bidirectional relationship between depression and overweight/obesity often leads to their *** and adolescence represent critical periods for physical and psychological development,during which the comorbidity of overweight/obesity and depression may increase the risk of adverse health *** To evaluate the relationship between ODCA,we conduct a bibliometric analysis to aid in formulating prevention and treatment *** From 2004 to 2023,articles related to ODCA were selected using the Science Citation Index Expanded from the Web of Science Core *** analysis of relevant publications,including countries/regions,institutions,authors,journals,references,and keywords,was conducted using the online bibliometric analysis platforms,CiteSpace,VOSviewer,and *** Between 2004 and 2023,a total of 1573 articles were published on *** United States has made leading contributions in this field,with Harvard University emerging as the leading contributor in terms of research output,and Tanofsky being the most prolific *** j Adolescent Health has shown significant activity in this *** on the results of the keyword and reference analyses,inequality,adverse childhood experiences,and comorbidities have become hot topics in ***,the impact of balancedrelated behavior and exploration of the biological mechanisms,including the potential role of key adipocytokines and lipokines,as well as inflammation in ODCA,have emerged as frontier *** The trend of a significant increase in ODCA publications is expected to *** research findings will contribute to elucidating the pathogenic mechanisms of ODCA and its prevention and treatment.

关键词： Children Adolescents Overweight Obesity Depression Bibliometric analysis Research trends

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Impact of body mass index on adverse kidney events in diabetes mellitus patients: A systematic-review and meta-analysis

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World journal of Clinical Cases 2024年第3期12卷 538-550页

作者： jing-Fang Wan yan Chen Tian-Hua yao ya-Zhou Wu Huan-Zi Dai Department of Nephrology Army Medical UniversityChongqing 400042China Department of Nephrology Chongqing Western HospitalChongqing 400052China Health Statistics Army Medical UniversityChongqing 400038China Department of Nephrology Daping HospitalArmy Medical UniversityChongqing 400042China

BACKgROUND The incidence of chronic kidney disease among patients with diabetes mellitus(Dm)remains a global ***-term obesity is known to possibly influence the development of type 2 diabetes ***,no previous meta-analysis has assessed the effects of body mass index(BmI)on adverse kidney events in patients with *** To determine the impact of BmI on adverse kidney events in patients with *** A systematic literature search was performed on the Pubmed,ISI Web of Science,Scopus,Ovid,google Scholar,EmBASE,and Bmj *** included trials with the following characteristics:(1)Type of study:Prospective,retrospective,randomized,and non-randomized in design;(2)participants:Restricted to patients with Dm aged≥18 years;(3)intervention:No intervention;and(4)kidney adverse events:Onset of diabetic kidney disease[estimated glomerular filtration rate(egFR)ofmL/min/1.73 m2 and/or microalbuminuria value of≥30 mg/g Cr],serum creatinine increase of more than double the baseline or end-stage renal disease(egFRmL/min/1.73 m2 or dialysis),or *** Overall,11 studies involving 801 patients with Dm were *** BmI(≥25 kg/m2)was significantly associated with higher blood pressure(BP)[systolic BP by 0.20,95%confidence interval(CI):0.15–0.25,PmmHg,95%CI:0.04–0.37,P=0.010],serum albumin,triglycerides[standard mean difference(SmD)=0.35,95%CI:0.29–0.41,PmD=0.12,95%CI:0.04–0.20,P=0.030),and lower high-density lipoprotein(SmD=–0.36,95%CI:–0.51 to–0.21,Pm compared with those with low BmIs(g/m2).Our analysis showed that high BmI was associated with a higher risk ratio of adverse kidney events than low BmI(RR:1.22,95%CI:1.01–1.43,P=0.036).CONCLUSION The present analysis suggested that high BmI was a risk factor for adverse kidney events in patients with Dm.

关键词： Obesity Body mass index Diabetes mellitus Adverse kidney events Systematic-review meta-analysis

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Effective assignment of positional isomers in dimeric shikonin and its analogs by ^(1)H NmR spectroscopy

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Chinese Chemical Letters 2024年第5期35卷 223-226页

作者： Ling-Hao Zhao Hai-Wei yan jian-Shuang jiang Xu Zhang Xiang Yuan ya-Nan yang Pei-Cheng Zhang State Key Laboratory of Bioactive Substance and Function of Natural medicines Institute of Materia MedicaChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100050China

An approach for distinguishing two types of positional isomers of dimeric shikonin and its analogs was explored with ^(4)jC,H long-range correlation by prolonging the acquisition time at ^(2,3)jC,H values of 2.0 and ***,the ^(1)H(proton)nuclear magnetic resonance(NmR)pattern of phenolic hydroxyl protons was developed as a“diagnosis signal”to ascertain the relative location of each side chain in DmSO-d_(6) at sample concentrations of 0.022-0.034 mol/*** chemical shift differences of 0.6ppm between OH-5' and OH-1 and between OH-8'and OH-4 are assigned to Type A and Type B,*** reported ambiguous structures were corrected by this ***,the steric structures of isolated compounds were elucidated by quantum chemical calculations of electronic circular dichroism(ECD)spectra.

关键词： Arnebia euchroma Dimeric hydroxyl naphthoquinones Positional isomers ^(1)H NmR spectroscopy Chemical shift difference

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Further investigation on the fusion of ^(6)Li with ^(209)Bi target at near-barrier energies

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Chinese Physics C 2024年第7期48卷 106-117页

作者：张高龙焦振威张广鑫 m.R.Cortes 胡世鹏钱建强 D.mengoni 屈卫卫李聪博郑云张焕乔孙慧斌王楠张春雷 j.j.Valiente-Dobón D.Testov m.mazzocco A.gozzelino C.Parascandolo D.Pierroutsakou m.La Commara A.goasduff D.Bazzacco D.R.Napoli F.galtarossa F.Recchia A.Illana S.Bakes I.Zanon S.Aydin g.de Angelis m.Siciliano R.menegazzo S.m.Lenzi j.L.Ferreira j.Rangel Serkan Akkoyun L.F.Canto j.Lubian School of Physics Beihang UniversityBeijing 100191China Sino-French Institute of Nuclear Engineering and Technology Sun Yat-Sen UniversityZhuhai 519082China Instituto de Física Universidade Federal Fluminense24210-340NiteróiRio de JaneiroBrazil Institute for Advanced Study in Nuclear Energy&Safety Shenzhen UniversityShenzhen 518060China Shenzhen Key Laboratory of Research and manufacture of High Purity germanium materials and Fetectors Shenzhen UniversityShenzhen 518060China INFN Sezione di PadovaPadovaItaly Dipartimento di fisica Astronomia dell'Universita di padova PadovaItaly State Key Laboratory of Radiation medicine and Protection School of Radiation Medicine and ProtectionSoochow UniversitySuzhou 215123China China Institute of Atomic Energy Beijing 102413China The Key Laboratory of Beam Technology and material modification of ministry of Education College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China INFN Laboratori Nazionali di LegnaroI-35020 LegnaroItaly INFN Sezione di NapoliI-80126 NapoliItaly Dipartimento di Farmacia Universitàdi Napoli"Federico II"I-80131 NapoliItaly Department of Natural and mathematical Sciences Faculty of EngineeringTarsus University33480 MersinTurkiye Physics Division Argonne National LaboratoryLemont-ILUSA Departamento de matemaética Física e Computaç˜ao Universidade do Estado do Rio de JaneiroFaculdade de Tecnologia27537-000ResendeRio de JaneiroBrazil Department of Physics Sivas Cumhuriyet UniversitySivasTurkey Instituto de Física Universidade Federal do Rio de JaneiroCP 6852821941-972Rio de JaneiroBrazil

The complete and incomplete fusion cross sections for ^(6)Li+^(209)Bi were measured using the in-beamγ-ray method around the Coulomb *** cross sections of(deuteron captured)incomplete fusion(ICF)products were re-quantified experimentally for this reaction *** results reveal that the ICF cross section is equivalent to that of complete fusion(CF)above the Coulomb barrier and dominant near or below the Coulomb barrier.A theoretical calculation based on the continuum discretized coupled channel(CDCC)method was performed for the aforementioned CF and ICF cross sections;the result is consistent with the *** universal fusion function(UFF)was also compared with the measured CF cross section for different barrier parameters,demonstrating that the CF suppression factor is significantly influenced by the choice of potential,which can reflect both dynamic and static effects of breakup on the fusion process.

关键词： cross section incomplete fusion suppression factor weakly bound nuclei

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Effect of Al_(2)O_(3)on the mechanical Properties of(B_(4)C+Al_(2)O_(3))/Al Neutron Absorbing materials

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Acta metallurgica Sinica(English Letters) 2024年第8期37卷 1411-1420页

作者： j.X.Cai B.m.Shi N.Li Y.Liu Z.g.Zhang Y.N.Zan Q.Z.Wang B.L.Xiao Z.Y.ma Shi‑Changxu Innovation Center for Advanced materials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Key Laboratory of Nuclear materials and Safety Assessment Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Nuclear Equipment Division Beijing Institute of Nuclear EngineeringChina Nuclear Power Engineering Co.Ltd.Beijing 100840China Department of materials Science School of Mechanical EngineeringShenyang UniversityShenyang 110044China

B_(4)C/Al composites are widely utilized as neutron absorbing materials for the storage and transportation of spent nuclear *** order to improve the high-temperature mechanical properties of B_(4)C/Al composites,in-situ nano-Al_(2)O_(3)was introduced utilizing oxide on Al powder *** this study,the Al_(2)O_(3)content was adjusted by utilizing spheroid Al powder with varying diameters,thereby investigating the impact of Al_(2)O_(3)content on the tensile properties of(B_(4)C+Al_(2)O_(3))/Al *** was found that the pinning effect of Al_(2)O_(3)on the grain boundaries could hinder the recovery of dislocations and lead to dislocation accumulation at high *** the result,with the increase in Al_(2)O_(3)content and the decrease in grain size,the high-temperature strength of the composites increased *** finest Al powder used in this investigation had a diameter of 1.4μm,whereas the resultant composite exhibited a maximum strength of 251 mPa at room temperature and 133 mPa at 350℃,surpassing that of traditional B_(4)C/Al composites.

关键词： Al matrix composites Neutron absorbing materials (B_(4)C+Al_(2)O_(3))/Al composites High-temperature strength

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Engineering hyaluronic acid-based nanoassemblies for monoclonal antibody delivery-design,characterization,and biological insights

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Nano Research 2024年第10期17卷 9111-9125页

作者： Ana m.López-Estévez Y.Zhang maría medel Iker Arriaga Lucía Sanjurjo Cristian Huck-Iriart Nicola g.A.Abrescia maría j.Vicent Defang Ouyang Dolores Torres maría josé Alonso Center for Research in molecular medicine and Chronic Diseases(CimUS) University of Santiago de CompostelaSantiago de Compostela 15782Spain Department of Pharmacology Pharmacy and Pharmaceutical TechnologySchool of PharmacyUniversity of Santiago de CompostelaSantiago de Compostela 15782Spain Health Research Institute of Santiago de Compostela(IDIS) Santiago de Compostela 15782Spain State Key Laboratory of Quality Research in Chinese medicine Institute of Chinese Medical Sciences(ICMS)University of MacaoMacao 999078China Polymer Therapeutics Laboratory and CIBERONC Prince Felipe Research Centre Valencia E-46012Spain Structure and Cell Biology of Viruses Lab CIC bioGUNEBasque Research and Technology Alliance(BRTA)Derio 48160Spain ALBA Synchrotron Light Source Experiments DivisionCerdanyola del VallèsBarcelona 08290Spain IKERBASQUE Basque Foundation for ScienceBilbao 48009Spain

The current spotlight of cancer therapeutics is shifting towards personalized medicine with the widespread use of monoclonal antibodies(mAbs).Despite their increasing potential,mAbs have an intrinsic limitation related to their inability to cross cell membranes and reach intracellular *** offers promising solutions to overcome this limitation,however,formulation challenges *** challenges are the limited loading capacity(often insufficient to achieve clinical dosing),the complex formulation methods,and the insufficient characterization of mAb-loaded ***,we present a new nanocarrier consisting of hyaluronic acid-based nanoassemblies(HANAs)specifically designed to entrap mAbs with a high efficiency and an outstanding loading capacity(50%,w/w).HANAs composed by an mAb,modified HA and phosphatidylcholine(PC)resulted in sizes of~100 nm and neutral surface *** modeling identified the principal factors governing the high affinity of mAbs with the amphiphilic HA and *** composition and structural configuration were analyzed using the orthogonal techniques cryogenic transmission electron microscopy(cryo-TEm),asymmetrical flow field-flow fractionation(AF4),and small-angle X-ray scattering(SAXS).These techniques provided evidence of the formation of core-shell nanostructures comprising an aqueous core surrounded by a bilayer consisting of phospholipids and amphiphilic *** vitro experiments in cancer cell lines and macrophages confirmed HANAs’low toxicity and ability to transport mAbs to the intracellular *** reproducibility of this assembling process at industrial-scale batch sizes and the long-term stability was *** conclusion,these results underscore the suitability of HANAs technology to load and deliver biologicals,which holds promise for future clinical translation.

关键词： monoclonal antibody nanoparticles hyaluronic acid characterization particle size computational modeling

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Interaction between ozone and paternal smoking on fetal congenital heart defects among pregnant women at high risk a multicenter maternal-fetal medicine study

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World journal of Pediatrics 2024年第6期20卷 621-632页

作者： Huan Wang yan-Ping Ruan Sheng ma ya-Qi Wang Xiao-Yu Wan Yi-Hua He jing Li Zhi-Yong Zou Institute of Child and Adolescent Health School of Public HealthNational Health Commission Key Laboratory of Reproductive HealthPeking UniversityNo.38 Xueyuan RdHaidian DistrictBeijing 100191China Echocardiography medical Center Beijing Anzhen Hospital.Capital Medical UniversityMaternal-Fetal Medicine center in Fetal Heart DiseaseBeijing Anzhen HospitalNo.2 Anzhen RdChaoyang DistrictBeijing 100029China

Background Evidence remains limited on the association between maternal ozone(O,)exposure and congenital heart defects(CHDs)in offspring,and few studies have investigated the interaction and modification of paternal smoking on this *** Using a sample including pregnant women at high risk of fetal CHD(with metabolic disease,first-trimester viral infection,family history of CHD,etc.)from a maternal-fetal medicine study covering 1313 referral hospitals in China during 2013-2021,we examined the associations between maternal O_(3)exposure during 3-8 weeks of gestational age and fetal CHD in offspring and investigated the interaction and modification of paternal smoking on this *** was diagnosed by fetal echocardiograms,maximum daily 8-hour average O,exposure data at a 10 km×10 km spatial resolution came from the Tracking Air Pollution in China dataset,and paternal smoking was collected using *** regression models were used to estimate adjusted odds ratios(ORs)and 95%confidence intervals(CIs).Results Among 27,834 pregnant women at high risk of fetal CHD,17.4%of fetuses were diagnosed with *** 10μg/m^(3)increase in maternal O_(3)exposure was associated with a 17%increased risk of CHD in offspring(OR=1.17,95%CI=1.14-1.20).Compared with paternal nonsmoking and maternal low O_(3)exposure,the ORs(95%CI)of CHD for smoking and low O_(3)exposure,nonsmoking and high O_(3)exposure,and smoking and high O_(3)exposure were 1.25(1.08-1.45),1.81(1.56-2.08),and 2.23(1.84-2.71),*** smoking cessation seemingly mitigated the increased risk of *** maternal O_(3)exposure and paternal smoking were interactively associated with an increased risk of fetal CHD in offspring,which calls for effective measures to decrease maternal exposure to O_(3)pollution and secondhand smoke for CHDprevention.

关键词： Congenital heart defects Fetal heart development Ozone exposure Tobacco smoking

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Rainfall Sensitivity to microphysics and Planetary Boundary Layer Parameterizations in Convection-Permitting Simulations over Northwestern South America

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journal of meteorological Research 2024年第4期38卷 805-825页

作者： K.Santiago HERNANDEZ Sebastian gOmEZ-RIOS juan j.HENAO Vanessa ROBLEDO Alvaro RAmiREZ-CARDONA Angela m.RENDON geolimna Escuela AmbientalFacultad de IngenieriaUniversidad de AntioquiaMedellin 050010Colombia grupo de Ingenieria y gestion Ambiental(gIgA) Escuela AmbientalFacultad de IngenieriaUniversidad de AntioquiaMedellin 050010Colombia Division of Atmospheric Sciences Desert Research InstituteRenoNV 89512USA

Convection-permitting modeling allows us to understand mechanisms that influence rainfall in specific ***,microphysics parameterization(mP) and planetary boundary layer(PBL) schemes remain an important source of uncertainty,affecting rainfall intensity,occurrence,duration,and ***,we study the sensitivity of rainfall to three mP [Weather Research and Forecasting(WRF) Single-moment 6-class(WSm6),Thompson,and morrison] and two PBL [the Yonsei University(YSU) and mellor–yamada Nakanishi Niino(mYNN)] schemes with a convection-permitting resolution(4 km) over northwestern South America(NWSA).Simulations were performed by using the WRF model and the results were evaluated against soundings,rain gauges,and satellite data,considering the spatio-temporal variability of rainfall over diverse regions prone to deep convection in *** and PBL schemes largely influenced simulated rainfall,with better results for the less computationally expensive WSm6 mP and YSU PBL *** rain gauges and satellite estimates,simulations with morrison mP overestimated rainfall,especially westward of the Andes,whereas the mYNN PBL underestimated precipitation in the Amazon–Savannas *** found that the uncertainty in the rainfall representation is highly dependent on the region,with a higher influence of mP in the Colombian Pacific and PBL in the Amazon–Savannas *** analyzing rainfall-related processes,the selection of both mP and PBL parameterizations exerted a large influence on the simulated lower tropospheric moisture flux and moisture *** schemes significantly influenced the downward shortwave radiation,with mYNN simulating a greater amount of low clouds,which decreased the radiation ***,latent heat fluxes were greater for YSU,favoring moist convection and *** schemes had a marked impact on vertical ***,morrison mP showed stronger convection and higher precipitation rates,which is assoc

关键词： sensitivity microphysics planetary boundary layer(PBL) Weather Research and Forecasting(WRF) processes

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A possible probe to neutron-skin thickness by fragment parallel momentum distribution in projectile fragmentation reactions

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Nuclear Science and Techniques 2024年第6期35卷 114-119页

作者： Chun-Wang ma Yi-jie Duan ya-Fei guo Chun-Yuan Qiao Yu-Ting Wang jie Pu Kai-Xuan Cheng Hui-Ling Wei College of Physics Henan Normal UniversityXinxiang 453007China Institute of Nuclear Science and Technology Henan Academy of SciencesZhengzhou 450015China

Neutron-skin thickness is a key parameter for a neutron-rich nucleus;however,it is difficult to *** the framework of the Lanzhou Quantum molecular Dynamics(LQmD)model,a possible probe for the neutron-skin thickness(δ_(np))of neutron-rich ^(48)Ca was studied in the 140A meV ^(48)Ca+^(9)Be projectile fragmentation reaction based on the parallel momentum distribution(p∥)of the residual fragments.A Fermi-type density distribution was employed to initiate the neutron density distributions in the LQmD simulations.A combined gaussian function with different width parameters for the left side(Γ_(L))and the right side(Γ_(R))in the distribution was used to describe the p∥of the residual *** neutron-rich sulfur isotopes as examples,Γ_(L) shows a sensitive correlation withδ_(np) of ^(48)Ca,and is proposed as a probe for determining the neutron skin thickness of the projectile nucleus.

关键词： Neutron-skin thickness Projectile fragmentation Parallel momentum distribution Neutron-rich nucleus Quantum molecular dynamics model

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