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Alzheimer’s disease early diagnostic and staging biomarkers revealed by large-scale cerebrospinal fluid and serum proteomic profiling

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The Innovation 2024年第1期5卷 118-126页

作者： qing-qing Tao Xue Cai Yan-Yan Xue Weigang Ge Liang Yue Xiao-Yan Li rong-rong Lin Guo-Ping Peng Wenhao Jiang Sainan Li Kun-Mu Zheng Bin Jiang Jian-Ping Jia Tiannan Guo Zhi-Ying Wu Department of Neurology and Research Center of Neurology in the Second Affiliated Hospital and Key Laboratory of Medical Neurobiology of Zhejiang Province Zhejiang University School of MedicineHangzhou 310009China Liangzhu Laboratory Zhejiang UniversityHangzhou 311100China Westlake Laboratory of Life Sciences and Biomedicine Key Laboratory of Structural Biology of Zhejiang ProvinceSchool of Life SciencesWestlake UniversityHangzhou 310024China Institute of Basic Medical Sciences Westlake Institute for Advanced StudyHangzho 310024China Department of Neurology First Affiliated HospitalZhejiang University School of MedicineHangzhou 310009China Department of Neurology First Affiliated HospitalSchool of MedicineXiamen UniversityXiamen 361009China Innovation Center for Neurological Disorders and Department of Neurology Xuanwu HospitalCapital Medical UniversityNational Clinical Research Center for Geriatric DiseasesBeijing 100053China MOE Frontier Science Center for Brain Science and Brain-machine Integration School of Brain Science and Brain MedicineZhejiang UniversityHangzhou 310058China CAS Center for Excellence in Brain Science and Intelligence Technology Shanghai 200031China

Amyloid-b,tau pathology,and biomarkers of neurodegeneration make up the core diagnostic biomarkers of Alzheimer disease(AD).However,these proteins represent only a fraction of the complex biological processes underlying AD,and individuals with other brain diseases in which AD pathology is a comorbidity also test positive for these diagnostic *** ADspecific early diagnostic and disease staging biomarkers are *** this study,we performed tandem mass tag proteomic analysis of paired cerebrospinal fluid(CSF)and serum samples in a discovery cohort comprising 98 *** biomarkers were validated by parallel reaction monitoring–based targeted proteomic assays in an independent multicenter cohort comprising 288 *** quantified 3,238 CSF and 1,702 serum proteins in the discovery cohort,identifying 171 and 860 CSF proteins and 37 and 323 serum proteins as potential early diagnostic and staging biomarkers,*** the validation cohort,58 and 21 CSF proteins,as well as 12 and 18 serum proteins,were verified as early diagnostic and staging biomarkers,*** 19-protein CSF and an 8-protein serum biomarker panels were built by machine learning to accurately classify mild cognitive impairment(MCI)due to AD from normal cognition with areas under the curve of 0.984 and 0.881,*** 19-protein CSF biomarker panel also effectively discriminated patients with MCI due to AD from patients with other neurodegenerative ***,we identified 21 CSF and 18 serum stage-associated proteins re-flecting AD *** findings provide a foundation for developing bloodbased tests for AD screening and staging in clinical practice.

关键词： cerebrospinal Alzheimer fluid

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A pH/ROS dual-responsive system for effective chemoimmunotherapy against melanoma via remodeling tumor immune microenvironment

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Acta Pharmaceutica Sinica B 2024年第5期14卷 2263-2280页

作者： Leilei Wang Shanshan He rong Liu Yuan Xue Yuan Quan rongying Shi Xueying Yang qing Lin Xun Sun Zhirong Zhang Ling Zhang Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry West China School of PharmacySichuan UniversityChengdu 610041China Med-X Center for Materials College of Polymer Science and EngineeringSichuan UniversityChengdu 610065China

Chemotherapeutics can induce immunogenic cell death(ICD)in tumor cells,offering new possibilities for cancer ***,the efficiency of the immune response generated is insufficient due to the inhibitory nature of the tumor microenvironment(TME).Here,we developed a pH/reactive oxygen species(ROS)dual-response system to enhance chemoimmunotherapy for *** system productively accumulated in tumors by specific binding of phenylboronic acid(PBA)to sialic acids(SA).The nanoparticles(NPs)rapidly swelled and released quercetin(QUE)and doxorubicin(DOX)upon the stimulation of tumor microenvironment(TME).The in vitro and in vivo results consistently demonstrated that the NPs improved anti-tumor efficacy and prolonged survival of mice,significantly enhancing the effects of the *** study revealed DOX was an ICD inducer,stimulating immune responses and promoting maturation of dendritic cells(DCs).Additionally,QUE served as a TME regulator by inhibiting the cyclooxygenase-2(COX2)-prostaglandin E2(PGE2)axis,which influenced various immune cells,including increasing cytotoxic T cells(CLTs)infiltration,promoting M1 macrophage polarization,and reducing regulatory T cells(Tregs)*** combination synergistically facilitated chemoimmunotherapy efficacy by remodeling the immunosuppressive *** work presents a promising strategy to increase anti-tumor efficiency of chemotherapeutic agents.

关键词： Quercetin Nanoparticle Responsiveness Chemoimmunotherapy Tumor immune microenvironment

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Laparoscopic enucleation for pancreatic lipomatous hamartoma

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Hepatobiliary & Pancreatic Diseases International 2024年第5期23卷 541-544页

作者： Da-Long Wan rong-Liang Tong Xin-Yu Tong Chen Hu qing-Hong Ke Xu Yang Jian Wu Department of Hepatobiliary and Pancreatic Surgery the First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Department of Pathology the First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China

To the Editor : Pancreatic hamartoma is an extremely rare and benign disease and accounts for less than 1% of all pancreatic tumors [1]. Pancreatic lipomatous hamartoma(PLH), a distinct variant of pancreatic hamartoma, is always easily misdiagnosed as other pancreatic tumors with lipomatous components, including pancreatic lipoma, liposarcoma, teratoma and malignant tumors with fatty degeneration. Here, we report a case of laparoscopic enucleation for the pancreatic head lipomatous hamartoma and provide new treatment strategies for surgeons who encounter similar diseases in the future.

关键词： degeneration Laparoscopic diseases

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Empirical likelihood for spatial cross-sectional data models with matrix exponential spatial specification

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Applied Mathematics(A Journal of Chinese Universities) 2024年第1期39卷 125-139页

作者： LIU Yan rong Jian-rong QIN Yong-song Nanning University Nanning 530200China Center for Applied Mathematics of Guangxi and College of Mathematics and Statistics Guangxi Normal UniversityGuilin 541004China

In this paper,we study spatial cross-sectional data models in the form of matrix exponential spatial specification(MESS),where MESS appears in both dependent and error *** empirical likelihood(EL)ratio statistics are established for the parameters of the MESS *** is shown that the limiting distributions of EL ratio statistics follow chi-square distributions,which are used to construct the confidence regions of model *** experiments are conducted to compare the performances of confidence regions based on EL method and normal approximation method.

关键词： MESS empirical likelihood con dence region

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Ultra-high-rate Bi anode encapsulated in 3D lignin-derived carbon framework for sodium-ion hybrid capacitors

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Rare Metals 2024年第3期43卷 1037-1047页

作者： Ze-Hua Lin Xue-qing Qiu Xi-Hong Zu Xiao-Shan Zhang Lei Zhong Shi-rong Sun Shu-Hua Hao Ying-Juan Sun Wen-Li Zhang School of Chemical Engineering and Light Industry Guangdong University of Technology(GDUT)Guangzhou510006China Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory(rongjiang Laboratory) Jieyang515200China School of Advanced Manufacturing Institute of Green Chemistry and Advanced MaterialsGuangdong University of TechnologyJieyang515200China

Bismuth(Bi),as an alloy-based anode material,has attracted much atte ntion in the developme nt of sodiumion hybrid capacitors(SIHCs)due to its high theoretical ***,the volume expansion of the Bi-based anode during the sodiation/desodiation process results in limited rate *** the present work,a porous Bi-based composite was constructed by a one-step hydrothermal method,and Bi was encapsulated in ligninderived nitrogen-doped porous carbon(Bi@LNPC)after *** obtained Bi nanoparticles could effectively adapt to the strain and shorten the diffusion distance of Na^(+).In addition,porous carbon skeleton provides a rigid conductive network for electronic ***,the assembled sodium-ion half-cell with Bi@LNPC anode shows ultra-high-rate *** the current density was enhanced from 0.1 to 50 A·g^(-1),the specific capacity decreased slightly from 351.5 to 342.8 mAh·g^(-1).Even at an extremely high current density of 200 A·g^(-1),it retains 81.3%capacity retention when compared to a current density of 1 A·g^(-1).The SIHCs assembled by Bi@LNPC show a high energy density of 63 Wh·kg^(-1).This work provides an effective method for developing high-rate Bi anode materials for sodium-ion hybrid capacitors(SIHCs)and sodium-ion batteries(SIBs).

关键词： Bismuth Lignin Sodium-ion batteries Sodium-ion hybrid capacitors Rate Porous carbon

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Learning topological defects formation with neural networks in a quantum phase transition

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Communications in Theoretical Physics 2024年第5期76卷 68-76页

作者： Han-qing Shi Hai-qing Zhang Center for Gravitational Physics Department of Space ScienceBeihang UniversityBeijing 100191China Peng Huanwu Collaborative Center for Research and Education Beihang UniversityBeijing 100191China

Neural networks possess formidable representational power,rendering them invaluable in solving complex quantum many-body *** they excel at analyzing static solutions,nonequilibrium processes,including critical dynamics during a quantum phase transition,pose a greater challenge for neural *** address this,we utilize neural networks and machine learning algorithms to investigate time evolutions,universal statistics,and correlations of topological defects in a one-dimensional transverse-field quantum Ising ***,our analysis involves computing the energy of the system during a quantum phase transition following a linear quench of the transverse magnetic field *** excitation energies satisfy a power-law relation to the quench rate,indicating a proportional relationship between the excitation energy and the kink ***,we establish a universal power-law relationship between the first three cumulants of the kink numbers and the quench rate,indicating a binomial distribution of the ***,the normalized kink-kink correlations are also investigated and it is found that the numerical values are consistent with the analytic formula.

关键词： neural networks machine learning transverse-field quantum Ising model kibble-zurek mechanism

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Does type 1 diabetes serve as a protective factor against inflammatory bowel disease:A Mendelian randomization study

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World Journal of Diabetes 2024年第7期15卷 1551-1561页

作者： Ke-Ke Tong Yun-Feng Yu Xin-Yu Yang Jing-Yi Wu rong Yu Chuan-Chuan tan The First Hospital of Hunan University of Chinese Medicine Changsha 410007Hunan ProvinceChina School of Traditional Chinese Medicine Hunan University of Chinese MedicineChangsha 410208Hunan ProvinceChina The Third Hospital Zhejiang Chinese Medical UniversityHangzhou 310005Zhejiang ProvinceChina

BACKGROUND The impact of type 1 diabetes(T1D)on inflammatory bowel disease(IBD)remains *** To analyze the causal relationship between T1D and IBD using Mendelian randomization(MR).METHODS Single nucleotide polymorphisms were sourced from FinnGen for T1D,IBD,ulcerative colitis(UC)and Crohn’s disease(CD).Inverse variance-weighted,MREgger,and weighted median tests were used to assess exposure-outcome *** MR-Egger intercept was used to assess horizontal ***’s Q and leave-one-out method were used to analyze heterogeneity and sensitivity,*** Our MR analysis indicated that T1D was associated with a reduced risk of IBD[odds ratio(OR):0.959;95%confidence interval(CI):0.938-0.980;P0.05).Cochran’s Q and leave-one-out sensitivity analyses showed that the results were not heterogeneous(P>0.05)and were *** This MR analysis suggests that T1D serves as a potential protective factor against IBD and UC but is independent of CD.

关键词： Type 1 diabetes Inflammatory bowel disease Ulcerative colitis Crohn’s disease Mendelian randomization

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中国特色全民所有自然资源资产管理体系——理论与实践的协同推进

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中国土地科学 2024年第8期38卷 1-11页

作者：谭荣浙江大学公共管理学院浙江杭州310058 浙江大学土地与国家发展研究院浙江杭州310058

研究目的:基于2024年5月“自然资源资产价值实现的理论与实践”研讨会与会者的观点,对当前中国自然资源资产管理体系进行观察、解释和展望,为建构中国特色全民所有自然资源资产管理体系提供参考。研究方法:建构央地事权分工的分析框架,... 详细信息

研究目的:基于2024年5月“自然资源资产价值实现的理论与实践”研讨会与会者的观点,对当前中国自然资源资产管理体系进行观察、解释和展望,为建构中国特色全民所有自然资源资产管理体系提供参考。研究方法:建构央地事权分工的分析框架,开展观点综述和文献综述。研究结果:(1)中国自然资源资产管理实践既面临公有制、单一制的特殊性,也蕴含央地关系、激励和监管机制等知识的一般性。(2)委托代理机制是具有中国特色的央地分工机制,兼具行政委托和民事委托的优势,但不同地方表现出有差别的反馈。(3)建立健全自然资源资产价值实现机制,能够激励地方政府代理行权。中国目前已初步形成全链条式的经营管理体系。(4)建立健全纵向制约机制和横向制约机制,能够监管地方政府代理行权。中国目前已形成初步有效的监管体系。研究结论:中国特色的全民所有自然资源资产管理体系已初步建立,但仍需进一步健全差别化的央地分工机制、配置方案、价格体系、收益分配和社会监督等方面的制度建设。

关键词：自然资源资产委托代理激励机制纵向制约机制

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Deterministic and Robust Volt-var Control Methods of Power System Based on Convex Deep Learning

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Journal of Modern Power Systems and Clean Energy 2024年第3期12卷 719-729页

作者： qing Ma Changhong Deng the School of Electrical Engineering and Automation Wuhan UniversityWuhanChina

Volt-var control(VVC)is essentially a non-convex optimization problem due to the non-convexity of power flow(PF)constraints,resulting in the difficulty in obtaining the optimum without convexity *** existing second-order cone method for the convexity conversion often leads to a sharp increase in PF constraints and optimization variables,which in turn increases the optimization difficulty or even leads to optimization *** paper first proposes a deterministic VVC method based on convex deep learning power flow(DLPF).This method uses the input convex neural network(ICNN)to establish a single convex mapping between state parameters and node voltage to complete the convexity conversion while the optimization variables only correspond to reactive power equipment,which can ensure the global optimum with extremely fast computation *** cope with the impact brought by the uncertainty of distributed energy and omit the additional worst scenario search of traditional robust VVC,this paper proposes robust VVC method based on convex deep learning interval power flow(DLIPF),which continues to adopt ICNN to establish another convex mapping between state parameters and node voltage *** DLIPF with DLPF,this method decreases the modeling and optimization difficulty of robust VVC *** results on 30-bus,118-bus,and 200-bus systems prove the correctness and rapidity of the proposed methods.

关键词： Volt-var control convexity conversion convex deep learning power flow

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Chemotherapy combined with bevacizumab for small cell lung cancer with brain metastases:A case report

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World Journal of Clinical Cases 2024年第2期12卷 405-411页

作者： Hong-Yu Yang Yu-qing Xia Yu-Jia Hou Peng Xue Shi-Jie Zhu Dian-rong Lu Department of Oncology Wangjing HospitalChina Academy of Chinese Medical SciencesBeijing 100102China Department of Oncology Tianjin University of Chinese MedicineTianjin 300000China Department of Electrothermal Acupuncture Wangjing HospitalChina Academy of Chinese Medical SciencesBeijing 100102China Department of Acupuncture and Moxibustion Sihui Hospital of Traditional Chinese MedicineBeijing 100102China

BACKGROUND Small cell lung cancer(SCLC)is a common and aggressive subtype of lung *** is characterized by rapid growth and a high mortality *** 10%of patients with SCLC present with brain metastases at the time of diagnosis,which is associated with a median survival of 5 *** study aimed to summarize the effect of bevacizumab on the progression-free survival(PFS)and overall survival of patients with brain metastasis of *** SUMMARY A 62-year-old man was referred to our hospital in February 2023 because of dizziness and numbness of the right lower extremity without headache or fever for more than four *** patient was diagnosed with limited-stage *** received 8 cycles of chemotherapy combined with maintenance bevacizumab therapy and achieved a PFS of over 7 *** The combination of bevacizumab and irinotecan effectively alleviated brain metastasis in SCLC and prolonged PFS.

关键词： Small cell lung cancer Bevacizumab Brain metastasis Antineoplastic agents Target therapies Immunotherapy Radiotherapy Case report

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