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Lung microbiome:new insights into the pathogenesis of respiratory diseases

Signal Transduction and Targeted Therapy 2024年第2期9卷 652-678页

作者： Ruomeng li jing li Xikun Zhou Department of Biotherapy Cancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengdu 610041China State Key Laboratory of Oral Diseases National Clinical Research Center for Oral DiseasesChinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and ManagementWest China Hospital of StomatologySichuan UniversityChengduSichuan 610041China

The lungs were long thought to be sterile until technical advances uncovered the presence of the lung microbial community.The microbiome of healthy lungs is mainly derived from the upper respiratory tract(URT)microbiome but also has its own characteristic flora.The selection mechanisms in the lung,including clearance by coughing,pulmonary macrophages,the oscillation of respiratory cilia,and bacterial inhibition by alveolar surfactant,keep the microbiome transient and mobile,which is different from the microbiome in other organs.The pulmonary bacteriome has been intensively studied recently,but relatively little research has focused on the mycobiome and virome.This up-to-date review retrospectively summarizes the lung microbiome’s history,composition,and function.We focus on the interaction of the lung microbiome with the oropharynx and gut microbiome and emphasize the role it plays in the innate and adaptive immune responses.More importantly,we focus on multiple respiratory diseases,including asthma,chronic obstructive pulmonary disease(COPD),fibrosis,bronchiectasis,and pneumonia.The impact of the lung microbiome on coronavirus disease 2019(COVID-19)and lung cancer has also been comprehensively studied.Furthermore,by summarizing the therapeutic potential of the lung microbiome in lung diseases and examining the shortcomings of the field,we propose an outlook of the direction of lung microbiome research.

关键词： respiratory diseases Lung

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Cerebral syphilitic gumma misdiagnosed as brain abscess: A case report

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World Journal of Clinical Cases 2024年第3期12卷 650-656页

作者： li-Kun Mu li-feng Cheng jing Ye Meng-Yan Zhao Jin-Long Wang Department of Neurosurgery Shengli Oilfield Central HospitalDongying 257099Shandong ProvinceChina

BACKGROUND Cerebral syphilitic gumma is a relatively rare clinical disease.Its clinical manifest-ations are non-specific,and the imaging manifestations are similar to other in-tracranial occupying lesions,often misdiagnosed as tumors or abscesses.There are few reports on this disease in the relevant literature.To our knowledge,we have reported the first case of cerebral syphilitic gumma misdiagnosed as a brain abscess.We report this case and provide useful information for clinical doctors on neurosyphilis diseases.CASE SUMMARY We report the case to explore the diagnostic essentials of cerebral syphilitic gumma and attempt to mitigate the rates of misdiagnosis and missed diagnosis by equipping physicians with knowledge of neurosyphilis characteristics.The cli-nical diagnosis and treatment of a patient with cerebral syphilitic gumma were reported.Clinical manifestations,classifications,and diagnostic points were retro-spectively analyzed.The patient was admitted to the hospital with fever and limb weakness.Brain magnetic resonance imaging showed multiple space-occupying lesions and a positive serum Treponema pallidum gelatin agglutination test.The patient was misdiagnosed as having a brain abscess and underwent a craniotomy.A postoperative pathological diagnosis of syphilis gumma was made.The patient improved and was discharged after penicillin anti-syphilis treatment.Follow-up recovery was satisfactory.CONCLUSION Cerebral syphilitic gumma is rare in clinical practice,and it is often misdiagnosed and missed.Clinical diagnosis should be considered in combination with multiple examinations.

关键词： Neurosyphilis Cerebral syphilitic gumma Brain abscess Misdiagnosis Treatment Case report

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Climate change filtered out resource-acquisitive plants in a temperate grassland in Inner Mongolia,China

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Science China(life Sciences) 2024年第2期67卷 403-413页

作者： Heying jing Xingshuo Xiong feng Jiang Xucai Pu Wenhong Ma Daijiang li Zhongling liu Zhiheng Wang Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education College of Urban and Environmental SciencesPeking UniversityBeijing 100871China Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau School of Ecology and EnvironmentInner Mongolia UniversityHohhot 010021China Department of Biological Sciences Louisiana State UniversityBaton RougeLA 70803USA

Global climate change has led to the decline of species and functional diversity in ecosystems,changing community composition and ecosystem functions.However,we still know little about how species with different resource-use strategies(different types of resource usage and plant growth of plants as indicated by the spectrum of plant economic traits,including acquisitive resource-use strategy and conservative resource-use strategy)would change in response to climate change,and how the changes in the diversity of species with different resource-use strategies may influence community-level productivity.Here,using long-term(1982–2017)observatory data in a temperate grassland in Inner Mongolia,we investigated how climate change had affected the species richness(SR)and functional richness(FRic)for the whole community and for species with different resource-use strategies.Specifically,based on data for four traits representing leaf economics spectrum(leaf carbon concentration,leaf nitrogen concentration,leaf phosphorus concentration,and specific leaf area),we divided 81 plant species appearing in the grassland community into three plant functional types representing resource-acquisitive,medium,and resource-conservative species.We then analyzed the changes in community-level productivity in response to the decline of SR and FRic at the community level and for different resource-use strategies.We found that community-level SR and FRic decreased with drying climate,which was largely driven by the decline of diversity for resource-acquisitive species.However,community-level productivity remained stable because resource-conservative species dominating this grassland were barely affected by climate change.Our study revealed distinctive responses of species with different resource-use strategies to climate change and provided a new approach based on species functional traits for predicting the magnitude and direction of climate change effects on ecosystem functions.

关键词： biodiversity ecological strategy functional diversity functional trait long-term change species diversity

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Epidermal visualized health monitoring system based on stretchable and washable TPU hybrid conductive microtextiles

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Rare Metals 2024年第7期43卷 3185-3193页

作者： jing-Bo Yuan Zhi-Hong feng Dong-Chan li Yang Luo Yun-Lei Zhou School of Chemical Engineering Hebei University of Technology Engineering Research Center of Chemical Technology for Efficient Utilization of Seawater ResourcesMinistry of Education National Key Laboratory of Application Specific Integrated Circuit Department of Materials ETH Zürich Hangzhou Institute of Technology Xidian University

Electronic textiles,an emerging class of electronic technology,offer exciting opportunities for seamless integration with the human body.Numerous applications have been developed based on electronic textiles.However,researches on integrating multiple electronic textilebased devices are still few.In this study,we present a system integrated with an electrocardiogram monitoring sensor and an electroluminescence device based on stretchable and washable conductive micro textiles.The signal is acquired by an electrocardiograph amplifier and displayed by a dual-color electroluminescence device based on the processed results.The integrated electronic device has excellent moisture permeability and comfort for long-term wearing.The system reported in this study opens a new avenue for the application of electronic textiles in health monitoring,robotic prosthetics,and competitive sports.

关键词： Conductive microtextile Textile composite Electronic textile Electroluminescent displays

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Analyze the Performance of Electroactive Anticorrosion Coating of Medical Magnesium Alloy Using Deep Learning

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Computers, Materials & Continua 2024年第4期79卷 263-278页

作者： Yashan feng Yafang Tian Yongxin Yang Yufang Zhang Haiwei Guo jing’an li Advanced Functional Materials Laboratory Zhengzhou Railway Vocational and Technical CollegeZhengzhou450000China School of Materials Science and Engineering Zhengzhou UniversityZhengzhou450000China

Electroactive anticorrosion coatings are specialized surface treatments that prevent or minimize corrosion. Thestudy employs strategic thermodynamic equilibriumcalculations to pioneer a novel factor in corrosion protection.A first-time proposal, the total acidity (TA) potential of the hydrogen (pH) concept significantly shapes medicalmagnesium alloys. These coatings are meticulously designed for robust corrosion resistance, blending theoreticalinsights and practical applications to enhance our grasp of corrosion prevention mechanisms and establisha systematic approach to coating design. The groundbreaking significance of this study lies in its innovativeintegration of the TA/pH concept,which encompasses the TA/pH ratio of the chemical environment. This approachsurpasses convention by acknowledging the intricate interplay between the acidity and pH levels within thecoating formulation, thereby optimizing metal-phosphate-based conversion coatings and transforming corrosionmitigation strategies. To authenticate the TA/pH concept, the study comprehensively compares its findings withexisting research, rigorously validating the theoretical framework and reinforcing the correlates among TA/pHvalues and observed corrosion resistance in the coatings. The influence of mutations that occur naturally inthe detergent solution on persistent phosphorus changes is shown by empirical confirmation, which improvescorrosion resistance. This realization advances the field ofmaterials and the field’s knowledge of coated generation,particularly anticorrosion converter layers.

关键词： Medical magnesium alloys hydrogen gas anticorrosion total acidity potential of the hydrogen(pH)

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Novel PIKfyve/Tubulin Dual-target Inhibitor as a Promising Therapeutic Strategy for B-cell Acute Lymphoblastic Leukemia

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Current Medical Science 2024年第2期44卷 298-308页

作者： Zhen LU Qian LAI Zhi-feng li Meng-ya ZHONG Yue-long JIANG li-ying feng Jie ZHA jing-wei YAO Yin li Xian-ming DENG Bing XU Department of Hematology The First Affiliated Hospital of Xiamen University and Institute of HematologySchool of MedicineXiamen UniversityXiamen361005China Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy Xiamen361005China Department of Oncology The First Affiliated Hospital of Jinan UniversityJinan UniversityGuangzhou510630China State Key Laboratory of Cellular Stress Biology Innovation Center for Cell Signaling NetworkSchool of Life SciencesXiamen UniversityXiamen361003China

Objective:In B-cell acute lymphoblastic leukemia(B-ALL),current intensive chemotherapies for adult patients fail to achieve durable responses in more than 50%of cases,underscoring the urgent need for new therapeutic regimens for this patient population.The present study aimed to determine whether HZX-02-059,a novel dual-target inhibitor targeting both phosphatidylinositol-3-phosphate 5-kinase(PIKfyve)and tubulin,is lethal to B-ALL cells and is a potential therapeutic for B-ALL patients.Methods:Cell proliferation,vacuolization,apoptosis,cell cycle,and in-vivo tumor growth were evaluated.In addition,Genome-wide RNA-sequencing studies were conducted to elucidate the mechanisms of action underlying the anti-leukemia activity of HZX-02-059 in B-ALL.Results:HZX-02-059 was found to inhibit cell proliferation,induce vacuolization,promote apoptosis,block the cell cycle,and reduce in-vivo tumor growth.Downregulation of the p53 pathway and suppression of the phosphoinositide 3-kinase(PI3K)/AKT pathway and the downstream transcription factors c-Myc and NF-κB were responsible for these observations.Conclusion:Overall,these findings suggest that HZX-02-059 is a promising agent for the treatment of B-ALL patients resistant to conventional therapies.

关键词： B-cell acute lymphoblastic leukemia dual-target inhibitor NF-kB c-Myc PI3K/AKT p53

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Endoscopic treatment of bleeding gastric ulcer causing gastric wall necrosis:A case report

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World Journal of Gastrointestinal Surgery 2024年第4期16卷 1203-1207页

作者： Wei-feng li Ruo-Yu Gao jing-Wen Xu Xi-Qiu Yu Department of Gastroenterology Shenzhen Luohu People’s HospitalShenzhen 518020Guangdong ProvinceChina

BACKGROUND Gastric wall necrosis is a rare complication of endoscopic treatment for bleeding gastric ulcer,which may exacerbate the patient’s condition once it occurs and may even require surgical intervention for treatment.CASE SUMMARY A 59-year-old man was admitted to our department with melena.Endoscopy revealed a giant ulcer in the gastric antrum with a visible vessel in its center,which was treated with sclerosants and tissue glue injection and resulted in necrosis of the gastric wall.CONCLUSION Injection of sclerosants and tissue glue may lead to gastric wall necrosis,which is a serious complication.Therefore,before administering this treatment to patients,we should consider other more effective methods of hemostasis to avoid gastric wall necrosis.

关键词： Bleeding gastric ulcer Sclerotherapy Lauromacrogol Tissue adhesive Gastric wall necrosis Case report

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Upper extremity motor function before and after the cerebrospinal fluid tap test in patients with idiopathic normal pressure hydrocephalus: A retrospective study

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中华医学杂志(英文版) 2024年第7期137卷 877-879页

作者： liu Caiyan Wei Junji Dong liling Mao Chenhui li Jie Huang Xinying Hou Bo feng feng Cui liying Gao jing Department of Neurology Peking Union Medical College Hospital Chinese Academy of Medical Sciences Beijing 100730 China Department of Neurosurgery Department of Neurosurgery and Radiology

To the Editor:Idiopathic normal pressure hydrocephalus (iNPH) patients present disturbances in gait,cognition,and/or control of urination with neuroimaging characterized by enlargement of the cerebral ventricles.Typically,gait disturbance in iNPH patients is the initial and most prominent symptom,but motor impairments can also extend to upper extremity.

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Intra-arterial tenecteplase during thrombectomy for acute stroke(BRETIS-TNK II):rationale and design

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Stroke & Vascular Neurology 2024年第1期9卷 59-65页

作者： Zi-Ai Zhao jing Qiu Wei li Thanh Nguyen Shouchun Wang Huaizhang Shi Ming Wei feng Wang Di li Hui-Sheng Chen Department of Neurology General Hospital of Northern Theater CommandShenyangLiaoning ProvinceChina Neurology RadiologyBoston Medical CenterBostonMassachusettsUSA Department of Neurology First Affiliated Hospital of Jilin UniversityChangchunJilinChina Department of Neurosurgery First Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangChina Department of Neurosurgery Tianjin Huanhu HospitalTianjinTianjinChina Department of Interventional Therapy First Affiliated Hospital of Dalian Medical UniversityDalianChina Neurological Intervention Department Dalian Municipal Central HospitalDalianLiaoningChina

Background Our recent pilot study suggests intra-arterial tenecteplase(TNK)during the first pass of endovascular treatment(EVT)seems safe,may increase first-pass reperfusion and good outcome in acute ischaemic stroke(AIS)patients with large-vessel occlusion(LVO).Aims To determine the efficacy and safety of intra-arterial TNK administration during EVT in AIS-LVO patients presenting up to 24 hours from symptom onset.Sample size estimates A maximum of 380 patients are required to test the superiority hypothesis with 80%power according to a two-side 0.05 level of significance,stratified by age,gender,baseline systolic blood pressure,prestroke modified Rankin Scale(mRS),baseline National Institute of Health stroke scale,baseline ASPECTS,time from onset to groin puncture,intravenous thrombolysis before EVT,stroke territory and stroke aetiology.Design Intra-arterial TNK during thrombectomy for acute stroke(BRETIS-TNK II)study is a prospective,randomised,adaptive enrichment,open-label,blinded end point,multicentre study.Eligible AIS-LVO patients are randomly assigned into the experimental group and control group with a ratio of 1:1.The experimental group will be treated with intra-arterial infusion of TNK during EVT.The control group will be treated with standard EVT.Outcome The primary end point is a favourable outcome,defined as an mRS score of 0–2 at 90 days.The primary safety end point is symptomatic intracranial haemorrhage within 48 hours,which is defined as an increase in the National Institutes of Health Stroke Scale score of≥4 points as a result of the intracranial haemorrhage.Conclusions The results of BRETIS-TNK II will provide evidence for the efficacy and safety of intra-arterial TNK administration during EVT in AIS patients with LVO.

关键词： rational stratified TNK

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Mortality from cerebrovascular diseases in China:Exploration of recent and future trends

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Chinese Medical Journal 2024年第5期137卷 588-595页

作者： Bin Lv Ge Song feng jing Mingyu li Hua Zhou Wanjun li Jiacai lin Shengyuan Yu Jun Wang Xiangyu Cao Chenglin Tian Department of Neurology The First Medical CenterChinese PLA General HospitalBeijing 100853China Department of Neurology the 305 Hospital of Chinese PLABeijing 100017China Department of Internal Medicine Gucheng County Hospital of Traditional Chinese MedicineHengshuiHebei 253800China Department of Neurology Tangshan Hospital of Traditional Chinese MedicineTangshanHebei 063000China Department of Neurology Hainan Hospital of Chinese PLA General HospitalSanyaHainan 572013China

Background:Cerebrovascular disease(CVD)ranks among the foremost factors responsible for mortality on a global scale.The mortality patterns of CVDs and temporal trends in China need to be well-illustrated and updated.Methods:We collected mortality data on patients with CVD from Chinese Center for Disease Control and Prevention’s Disease Surveillance Points(CDC-DSP)system.The mortality of CVD in 2020 was described by age,sex,residence,and region.The temporal trend from 2013 to 2019 was evaluated using joinpoint regression,and estimated rates of decline were extrapolated until 2030 using time series models.Results:In 2019,the age-standardized mortality in China(ASMRC)per 100,000 individuals was 113.2.The ASMRC for males(137.7/10^(5))and rural areas(123.0/10^(5))were both higher when stratified by gender and urban/rural residence.The central region had the highest mortality(126.5/10^(5)),the western region had a slightly lower mortality(123.5/10^(5)),and the eastern region had the lowest mortality(97.3/10^(5)).The age-specific mortality showed an accelerated upward trend from aged 55-59 years,with maximum mortality observed in individuals over 85 years of age.The age-standardized mortality of CVD decreased by 2.43%(95%confidence interval,1.02-3.81%)annually from 2013 to 2019.Notably,the age-specific mortality of CVD increased from 2013 to 2019 for the age group of over 85 years.In 2020,both the absolute number of CVD cases and the crude mortality of CVD have increased compared to their values in 2019.The estimated total deaths due to CVD were estimated to reach 2.3 million in 2025 and 2.4 million in 2030.Conclusion:The heightened focus on the burden of CVD among males,rural areas,the central and western of China,and individuals aged 75 years and above has emerged as a pivotal determinant in further decreasing mortalities,consequently presenting novel challenges to strategies for disease prevention and control.

关键词： Cerebrovascular diseases Mortality Epidemiology Global Burden of Disease China COVID-19 pandemic

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