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PICOTEES:a privacy-preserving online service of phenotype exploration for genetic-diagnostic variants from Chinese children cohorts

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Journal of Genetics and Genomics 2024年第2期51卷 243-251页

作者： Xinran Dong Yulan Lu Lanting Guo Chuan Li qi Ni Bingbing Wu Huijun Wang Lin Yang Songyang Wu qi Sun Hao zheng Wenhao Zhou shuang Wang Center for Molecular Medicine Children's Hospital of Fudan UniversityShanghai 201102China Key Laboratory of Birth Defects Children's Hospital of Fudan UniversityShanghai 201102China Department of Bioinformatics Hangzhou Nuowei Information Technology Co.LtdHangzhouZhejiang 310000China The Third Research Institute of the Ministry of Public Security Shanghai 200031China Xiamen Campus of Children's Hospital of Fudan University XiamenFujian 361006China Institutes for Systems Genetics West China HospitalChengduSichuan 610041China Shanghai Putuo People's Hospital Tongji UniversityShanghai 200060China

The growth in biomedical data resources has raised potential privacy concerns and risks of genetic information leakage. For instance, exome sequencing aids clinical decisions by comparing data through web services, but it requires significant trust between users and providers. To alleviate privacy concerns, the most commonly used strategy is to anonymize sensitive data. Unfortunately, studies have shown that anonymization is insufficient to protect against reidentification attacks. Recently, privacy-preserving technologies have been applied to preserve application utility while protecting the privacy of biomedical data. We present the PICOTEES framework, a privacy-preserving online service of phenotype exploration for genetic-diagnostic variants (https://***:3000/). PICOTEES enables privacy-preserving queries of the phenotype spectrum for a single variant by utilizing trusted execution environment technology, which can protect the privacy of the user's query information, backend models, and data, as well as the final results. We demonstrate the utility and performance of PICOTEES by exploring a bioinformatics dataset. The dataset is from a cohort containing 20,909 genetic testing patients with 3,152,508 variants from the Children's Hospital of Fudan University in China, dominated by the Chinese Han population (>99.9%). Our query results yield a large number of unreported diagnostic variants and previously reported pathogenicity.

关键词： Privacy protecti on Rare diseases in children Genetic testing Web system Trusted executi on envir onment

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Effect of quantitative consciousness index on seizure parameters during electroconvulsive therapy in patients with major depressive disorder

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World Journal of Psychiatry 2024年第9期14卷 1375-1385页

作者： Bang-shu Zhao Bi Deng qi-Bin Chen Xiao Li You Yang Su Min Department of Anesthesiology The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Anesthesiology The First Clinical College of Chongqing Medical UniversityChongqing 400016China Department of Psychiatry The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China

BACKGROUND Electroconvulsive therapy(ECT)is both an effective treatment for patients with major depressive disorder(MDD)and a noxious *** some studies have explored the effect of sedation depth on seizure parameters in ECT,there is little research on the noxious stimulation response to *** this study,we used two electroencephalography(EEG)-derived indices,the quantitative consci-ousness(qCON)index and quantitative nociceptive(qNOX)index,to monitor sedation,hypnosis,and noxious stimulation response in patients with MDD undergoing acute *** Patients with MDD(n=24)underwent acute bilateral temporal ECT under propofol *** ECT,the patients were randomly divided into three groups according to qCON scores(qCON60-70,qCON50-60,and qCON40-50).Continuous qCON monitoring was performed 3 minutes before and during ECT,and the qCON,qNOX,vital signs,EEG seizure parameters,and complications during the recovery period were *** 24-item Hamilton Rating Scale for Depression,Zung’s Self-rating Depression Scale,and Montreal Cognitive Asse-ssment scores were evaluated before the first ECT session,after the fourth ECT session,and after the full course of *** A total of 193 ECT sessions were performed on 24 *** qCON index significantly affected the EEG seizure duration,peak mid-ictal amplitude,and maximum heart rate during ECT(P0.05).CONCLUSION Electrical stimulation at a qCON index of 60-70 resulted in better EEG seizure parameters without increasing complications in patients with MDD undergoing b

关键词： Electroconvulsive therapy Propofol Nociception Depression Electroencephalogram

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Establishment of a Lateral Flow Dipstick Detection Method for Influenza A Virus Based on CRISPR/Cas12a System

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China CDC weekly 2024年第37期6卷 946-952,I0008页

作者： Xiaoyan Zhao Ximing zheng Xiyong Yang qi Guo Yi Zhang Jun Lou Department of Clinical Laboratory Zhumadian Central HospitalZhumadian CityHenan ProvinceChina Laboratory of Virology Beijing Key Laboratory of Etiology of Viral Diseases in ChildrenCapital Institute of PediatricsBeijingChina National Institute for Viral Disease Control and Prevention Chinese Center for Disease Control and PreventionBeijingChina

Objective:This study aimed to develop a rapid,visual PCR-CRISPR/Cas12-LFD method for detecting influenza A by utilizing the conserved region of the matrix protein ***:We crafted universal degradation primers and clustered regularly interspaced short palindromic repeats RNA(CRISPR RNA,crRNA)targeting the conserved matrix protein gene of the influenza virus(IFV),integrated with lateral flow dipstick(LFD)*** new PCR-CRISPR/Cas12-LFD approach was designed to determine its sensitivity and specificity through the analysis of various clinical samples collected in ***:The developed nucleic acid assay for influenza A viruses(IAV)demonstrated a sensitivity of 10 copies/μL without cross-reactivity with other respiratory *** of 82 clinical samples showed high concordance with results from fluorescent Polymerase Chain Reaction(PCR),achieving a kappa value of ***:A highly sensitive and specific PCRCRISPR/Cas12-LFD method has been successfully established for the detection of influenza A,offering a robust tool for its diagnosis and aiding in the prevention and control of this virus.

关键词： prevention diagnosis specificity

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The assessment of personal exposure in restaurants considering heat sources and ventilation strategies

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Energy and Built Environment 2024年第5期5卷 657-664页

作者： Yilin Xie Zhen Ding Jianchao Ma Xiaohong zheng Fan Liu Yuqing Ding Zhiyong shu Hua qian School of Energy and Environment Southeast UniversityNanjingJiangsu 210096China Department of Environment and Health Jiangsu Provincial Center for Disease Control and PreventionNanjing 210009China School of Environment and Architecture University of Shanghai for Science and TechnologyShanghai 200093China

Outbreaks of airborne infections during meal consumption in diverse restaurant settings have been extensively *** is widely recognized that effective ventilation strategies are essential to minimize the infection risk in indoor environments,and these strategies should be tailored to the heat *** purpose of this study is to compare the spatial distribution of risk in restaurant rooms that use mixing or displacement ventilation,specif-ically focusing on the heat sources used for different food types,namely hotpot,normal Chinese food,and iced *** Fluid Dynamics(CFD)was employed to assess exposure *** results indicate that the use of low-temperature heat sources can elevate the risk of infection by increasing the local vertical temperature *** comparison to no heat source,the risk increased by 190.9%and 99.6%for displacement and mixing ventilation strategies,*** mixing ventilation,both low-temperature and no heat sources showed lower infection risks when compared to displacement ***,displacement ventilation is found to be highly effective in reducing the risk of infection when using a high-temperature heat source,with only 12.3%of the infection risk observed in mixing ***,the use of displacement ventilation resulted in a significant reduction in the odors emitted by hotpot,which were instead absorbed by clothes in the mixing ven-tilation *** findings provide crucial insights into the development of appropriate ventilation strategies for reducing personal exposure to airborne infections in diverse restaurant ***,we recommend using displacement ventilation in restaurants that utilize high-temperature heat sources,as it can substantially reduce the risk of infection.

关键词： Heat source Building ventilation Airborne transmission Respiratory tract infections

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Analysis of blocking slurry diffusion parameters for a new self-starting drainage anchor cable

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Journal of Earth Science 2024年

作者： WANG Xu GE qi Lü Chengcheng shu Junwei SUN Hongyue Sino-Italy Ningbo Ecological Park Holding Group Co.，Ltd Ocean College， Zhejiang University College of Civil Engineering and Architecture， Zhejiang University School of Civil Engineering， Nanjing Forestry University

A new self-starting drainage anchor that combines prestressed anchor cables with self-starting drainage is proposed. The novelty of the self-starting drainage method is the realization of the drainage and anchoring in the one inclined borehole. Reduction in the number of boreholes can greatly decrease the construction cost and duration of the project. The adverse effect of drilling construction disturbance on the slope is reduced. To tackle the possible blockage of the drainage cavity due to slurry leakage during the solidification process after finishing grouting in the blocking section. To this end， a theoretical equation for the slurry diffusion radius under slurry self-weight pressure boundary conditions is deduced. The result is verified for precision through comparison with numerical simulation. The findings reveal that the permeability coefficient of rock and soil mass makes the most significant impact on the slurry diffusion radius， succeeded by the length of the grouting blocking section， slurry initial setting time， and drilling inclination in descending order of influence. With the 5% mass ratio of a "711" type slurry quick-setting agent， the maximum slurry diffusion radius can be reduced from 0.925m to 0.449m， a reduction of 0.476m， which is comparatively more recommended.

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World Journal of Gastroenterology 2024年第9期30卷 1224-1236页

作者： Hai-Yang Li Lin-Lin zheng Nan Hu Zhi-Hao Wang Chang-Cheng Tao Ya-Ru Wang Yue Liu Zulihumaer Aizimuaji Hong-Wei Wang Rui-qi zheng Ting Xiao Wei-qi Rong Department of Hepatobiliary Surgery National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China Department of Hepatobiliary Hernia Surgery Liaocheng Dongcangfu People’s HospitalLiaocheng 252000Shandong ProvinceChina State Key Laboratory of Molecular Oncology Department of Etiology and CarcinogenesisNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China

BACKGROUND As a critical early event in hepatocellular carcinogenesis,telomerase activation might be a promising and critical biomarker for hepatocellular carcinoma(HCC)patients,and its function in the genesis and treatment of HCC has gained much attention over the past two *** To perform a bibliometric analysis to systematically assess the current state of research on HCC-related *** The Web of Science Core Collection and PubMed were systematically searched to retrieve publications pertaining to HCC/telomerase limited to“articles”and“reviews”published in English.A total of 873 relevant publications related to HCC and telomerase were *** employed the Bibliometrix package in R to extract and analyze the fundamental information of the publications,such as the trends in the publications,citation counts,most prolific or influential writers,and most popular journals;to screen for keywords occurring at high frequency;and to draw collaboration and cluster analysis charts on the basis of coauthorship and *** was utilized to compile and visualize the bibliometric *** A surge of 51 publications on HCC/telomerase research occurred in 2016,the most productive year from 1996 to 2023,accompanied by the peak citation count recorded in *** to December 2023,35226 citations were made to all publications,an average of 46.6 citations to each *** United States received the most citations(n=13531),followed by China(n=7427)and Japan(n=5754).In terms of national cooperation,China presented the highest centrality,its strongest bonds being to the United States and *** the 20 academic institutions with the most publications,ten came from China and the rest of Asia,though the University of Paris Cité,Public Assistance-Hospitals of Paris,and the National Institute of Health and Medical Research(INSERM)were the most *** for individual contributions,Hisatomi H,Kaneko S,and Ide T were the three most prolific a

关键词： Telomerase Bibliometric analysis Telomerase reverse transcriptase Prognosis Treatment Hepatocellular carcinoma

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Strong Antiferromagnetic Exchange-Coupling Observed in Hydride-Bridged Dimeric Dysprosium(Ⅲ)Single-Molecule Magnet

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Chinese Journal of Chemistry 2024年第4期42卷 391-396页

作者： qian-Cheng Luo Ke-Xin Yu Peng-Bo Jin Ye-Ye Liu Yuan-qi Zhai Yan-Zhen zheng Frontier Institute of Science and Technology State Key Laboratory of Electrical Insulation and Power EquipmentXi'an Key Laboratory of Electronic Devices and Materials ChemistrySchool of Chemistry and School of PhysicsXi'an Jiaotong University99 Yanxiang RoadXi'anShaanxi710054 China

One dihydride-bridged dimeric Dy(Ⅲ)guanidinate complex,formulated as[{(Me_(3)Si)_(2)NC(NiPr)_(2)}_(2)Dy(μ-H)]_(2)(1Dy),was successfully isolated and the introduction of hydride bridges significantly reduces the intramolecular Dy(Ⅲ)…Dy(Ⅲ)distance to only 3.688(1)Å.To investigate the effect of such a short Dy(Ⅲ)…Dy(Ⅲ)distance on magnetism,we also prepared its dibromide-bridged analogue[{(Me_(3)Si)_(2)NC(NiPr)_(2)}_(2)Dy(μ-Br)]_(2)(2Dy),which has a much longer Dy(Ⅲ)…Dy(Ⅲ)distance of 4.605(4)Å.Surprisingly,2Dy demonstrates much larger effective energy barrier for magnetization reversal(U_(eff))and higher blocking temperature(T_(B)).The worse performance of 1Dy is attributed to the concerted effect of strong antiferromagnetic interactions between Dy(Ⅲ)ions(J_(total)=–2.683 cm^(–1))and the unparallel arrangement of magnetic principle axes of the Dy(Ⅲ)ions for 1Dy.

关键词： Single-molecule magnets Lanthanides Guanidinate ligand Hydride bridge Magnetic properties Ab initio calculations

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Epidemiology and prognostic nomogram for locally advanced gastric signet ring cell carcinoma:A population-based study

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World Journal of Gastrointestinal Oncology 2024年第6期16卷 2610-2630页

作者： Ze-Hao Yu Lei-Ming Zhang Zhi-qi Dai Meng-Na Zhang Si-Ming zheng Health Science Center The First Affiliated Hospital of Ningbo UniversityNingbo 315000Zhejiang ProvinceChina Health Science Center Ningbo UniversityNingbo 315211Zhejiang ProvinceChina College of Medicine The First Affiliated Hospital of Zhejiang UniversityHangzhou 310058Zhejiang ProvinceChina

BACKGROUND Gastric signet ring cell carcinoma(GSRC)represents a specific subtype of gastric cancer renowned for its contentious epidemiological features,treatment principles,and prognostic *** To investigate the epidemiology of GSRC and establish an improved model for predicting the prognosis of patients with locally advanced GSRC(LAGSRC)after *** The annual rates of GSRC incidence and mortality,covering the years 1975 to 2019,were extracted from the Surveillance,Epidemiology,and End Results(SEER)database to explore the temporal trends in both disease incidence and mortality rates using Joinpoint *** clinical data of 3793 postoperative LAGSRC patients were collected from the SEER database for the analysis of survival *** Cox regression model was used to explore the independent prognostic factors for overall survival(OS).The risk factors extracted were used to establish a prognostic *** The overall incidence of GSRC increased dramatically between 1975 and 1998,followed by a significant downward trend in incidence after *** recent years,there has been a similarly optimistic trend in GSRC mortality *** trend in GSRC showed discrepancies based on age and *** operating characteristic curves,calibration curves,and decision curve analysis for 1-year,3-year,and 5-year OS demonstrated the high discriminative ability and clinical utility of this *** area under the curve indicated that the performance of the new model outperformed that of the pathological staging *** The model we established can aid clinicians in the early prognostication of LAGSRC patients,resulting in improved clinical outcomes by modifying management strategies and patient health care.

关键词： Signet ring cell carcinoma Locally advanced gastric cancer Adjuvant chemotherapy Nomogram Epidemiology Overall survival

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Valence-tailored copper-based nanoparticles for enhanced chemodynamic therapy through prolonged ROS generation and potentiated GSH depletion

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Nano Research 2024年第7期17卷 6342-6352页

作者： Xinyang Li Binbin Ding Jing Li Di Han Hao Chen Jia Tan qi Meng Pan zheng Ping’an Ma Jun Lin State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China School of Applied Chemistry and Engineering University of Science and Technology of ChinaHefei 230026China

Chemodynamic therapy(CDT),an inventive approach to cancer treatment,exploits innate chemical processes to trigger cell death through the generation of reactive oxygen species(ROS).While offering advantages over conventional treatments,the optimization of CDT efficacy presents challenges stemming from suboptimal catalytic efficiency and the counteractive ROS scavenging effect of intracellular glutathione(GSH).In this study,we aim to address this dual challenge by delving into the role of copper valence states in *** the unique attributes of copper-based nanoparticles,especially zero-valent copper nanoparticles(CuPd NPs),we aim to enhance the therapeutic potential of *** experiments reveal that zero-valent CuPd NPs outperform divalent copper nanoparticles(Ox-CuPd NPs)by displaying superior catalytic performance and sustaining ROS generation through a dual approach integrating peroxidase-like(POD-like)activity and Cu+***,zero-valent NPs exhibit enhanced GSH depletion compared to their divalent counterparts,thereby intensifying CDT and inducing ferroptosis,ultimately resulting in high-efficiency tumor growth *** findings reveal the impact of valences on CDT,providing novel insights for the optimization and design of CDT agents.

关键词： CuPd nanoparticle ferroptosis chemodynamic therapy valance tailoring tumor therapy

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Optimal extent of lymphadenectomy improves prognosis and guides adjuvant chemotherapy in esophageal cancer: A propensity scorematched analysis

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World Journal of Gastrointestinal Surgery 2024年第6期16卷 1537-1547页

作者： Ji-Ming Tang shu-Jie Huang qi-Bin Chen Han-Sheng Wu Gui-Bin qiao Department of Thoracic Surgery Guangdong Provincial People’s HospitalGuangzhou 510080Guangdong ProvinceChina Department of Thoracic Surgery The First Affiliated Hospital of Shantou University Medical CollegeShantou 515041Guangdong ProvinceChina

BACKGROUND The optimal extent of lymphadenectomy in esophageal squamous cell carcinoma(ESCC)patients remained *** To explore the ideal number of cleared lymph nodes in ESCC patients undergoing upfront *** In this retrospective,propensity score-matched study,we included 1042 ESCC patients who underwent esophagectomy from November 2008 and October *** who underwent neoadjuvant therapy were *** collected pa-tients’clinicopathological features and information regarding lymph nodes,in-cluding the total number of resected lymph nodes(NRLN),and pathologically diagnosed positive lymph nodes(RPLN).SPSS and R software were used for statistical *** Among the included 1042 patients,two cohorts:≤21(n=664)and>21 NRLN(n=378)were *** final prognostic model included four variables:T stage,N,venous thrombus,and the number of removed lymph *** them,NRLN>21 was determined as an independent prognosticator after surgery for esophageal cancer(hazards regression=0.66,95%confidence interval:0.50-0.87,P=0.004).A nomogram was created based on the regression coefficients of the variables in the final *** the training cohort,the predictive model dis-played an uncorrected five-year overall survival C-index of 0.659,with a bootstrap-corrected C-index of *** the subgroup analysis,adjuvant chemotherapy was beneficial in the subgroup with NRLN>21 and RPLN≤0.16 and NRLN≤21 and RPLN>*** NRLN>21 was an independent prognostic factor after ESCC *** combination of NRLN and RPLN may provide a reference for adjuvant chemotherapy use in potential beneficiaries.

关键词： Esophageal squamous cell carcinoma Lymphadenectomy Adjuvant chemotherapy Prognosis Nomogram

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