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Impact of Air Pollutants on Lung Function and Inflammatory Response in Asthma in Shanghai

Biomedical and Environmental Sciences 2024年第8期37卷 811-822页

作者： Guifang Wang Youzhi Zhang Haiyan Yang Yi Yang Liang Dong Peng Zhang Jie Liu Xiaodong Chen Yi Gong department of respiratory and critical Care medicine Quzhou People's HospitalQuzhou 324000ZhejiangChina department of respiratory and critical Care medicine Huashan Hospital Affiliated to Fudan UniversityShanghai 200040China Centre of Hydrogen Science Shanghai Jiao Tong University&Key Lab of Hydrogen ScienceShanghai 200240China department of respiratory and critical Care medicine Shanghai Public Health Clinical CentreFudan UniversityShanghai 201508China

Objective Air pollution is a leading public health *** study investigated the effect of air quality and pollutants on pulmonary function and inflammation in patients with asthma in *** The study monitored 27 asthma outpatients for a year,collecting data on weather,patient self-management[daily asthma diary,peak expiratory flow(PEF)monitoring,medication usage],spirometry and serum *** explore the potential mechanisms of any effects,asthmatic mice induced by ovalbumin(OVA)were exposed to PM_(2.5).Results Statistical and correlational analyses revealed that air pollutants have both acute and chronic effects on *** exposure showed a correlation between PEF and levels of ozone(O_(3))and nitrogen dioxide(NO_(2)).Chronic exposure indicated that interleukin-5(IL-5)and interleukin-13(IL-13)levels correlated with PM_(2.5)and PM_(10)*** asthmatic mouse models,exposure to PM_(2.5)increased cytokine levels and worsened lung ***,PM_(2.5)exposure inhibited cell proliferation by blocking the NF-κB and ERK phosphorylation *** Ambient air pollutants exacerbate asthma by worsening lung function and enhancing Th2-mediated ***,PM_(2.5)significantly contributes to these adverse *** research is needed to elucidate the mechanisms by which PM_(2.5)impacts asthma.

关键词： Ambient air pollutants Acute and chronic effects on asthma PM_(2.5) OVA-induced asthmatic mice

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NCAPD2 serves as a potential prognostic biomarker for lung adenocarcinoma and promotes cell proliferation,migration,invasion and cell cycle in vitro

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Oncology Research 2024年第9期32卷 1439-1452页

作者： PEILING WU LIFANG ZHAO HONGYAN ZHANG YUEYAN LOU DONGFANG CHEN SHAN XUE XUEQING LIU HANDONG JIANG department of respiratory and critical Care medicine Renji HospitalShanghai Jiao Tong University School of MedicineShanghai200127China

Objectives:The pro-oncogenic effects of NCAPD2 have been extensively studied across various tumor types;however,its precise role within the context of lung adenocarcinoma(LUAD)remains *** study aims to elucidate the biological functions of NCAPD2 in LUAD and unravel the underlying mechanistic ***:Utilizing bioinformatics methodologies,we explored the differential expression of NCAPD2 between normal and tumor samples,along with its correlations with clinical-pathological characteristics,survival prognosis,and immune ***:In the TCGA-LUAD dataset,tumor samples demonstrated significantly elevated levels of NCAPD2 expression compared to normal samples(p<0.001).Clinically,higher NCAPD2 expression was notably associated with advanced T,N,and M stages,pathologic stage,gender,smoking status,and diminished overall survival(OS).Moreover,differentially expressed genes(DEGs)associated with NCAPD2 were predominantly enriched in pathways related to cell *** infiltration analysis revealed that NCAPD2 expression levels were linked to the infiltration of memory B cells,naïve CD4+T cells,activated memory CD4+T cells,and M1 *** vitro experiments demonstrated that silencing NCAPD2 suppressed LUAD cell proliferation,migration,invasion,epithelial-mesenchymal transition(EMT),and cell cycle ***:In summary,NCAPD2 may represent a promising prognostic biomarker and novel therapeutic target for LUAD.

关键词： NCAPD2 LUAD Prognosis Immune infiltration Cell cycle

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Profibrotic role of the SOX9-MMP10-ECM biosynthesis axis in the tracheal fibrosis after injury and repair

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Genes & Diseases 2024年第5期11卷 360-373页

作者： Lei Gu Anmao Li Chunyan He Rui Xiao Jiaxin Liao Li Xu Junhao Mu Xiaohui Wang Mingjin Yang Jinyue Jiang Yang Bai Xingxing Jin Meiling Xiao Xia Zhang Tairong Tan Yang Xiao Jing Lin Yishi Li Shuliang Guo department of respiratory and critical Care medicine The First Affiliated Hospital of Soochow UniversitySuzhou 215006China department of respiratory and critical Care medicine The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China department of Infection Disease The First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang 325000China

Fibroblast activation and extracellular matrix(ECM)deposition play an important role in the tracheal abnormal repair process and *** a transcription factor,SOX9 is involved in fibroblast activation and ECM ***,the mechanism of how SOX9 regulates fibrosis after tracheal injury remains *** investigated the role of SOX9 in TGF-b1-induced fibroblast activation and ECM deposition in rat tracheal fibroblast(RTF)***9 overexpression adenovirus(Ad-SOX9)and siRNA were transfected into RTF *** found that SOX9 expression was up-regulated in RTF cells treated with ***9 overexpression activated fibroblasts and promoted ECM *** SOX9 inhibited cell proliferation,migration,and ECM deposition,induced G2 arrest,and increased apoptosis in RTF ***-seq and chromatin immunoprecipitation sequencing(ChIP-seq)assays identified MMP10,a matrix metalloproteinase involved in ECM deposition,as a direct target of SOX9,which promotes ECM degradation by increasing MMP10 expression through the Wnt/b-catenin signaling ***,in vivo,SOX9 knockdown ameliorated granulation proliferation and tracheal fibrosis,as manifested by reduced tracheal *** conclusion,our findings indicate that SOX9 can drive fibroblast activation,cell proliferation,and apoptosis resistance in tracheal fibrosis via the Wnt/b-catenin signaling *** SOX9eMMP10 eECM biosynthesis axis plays an important role in tracheal injury and *** SOX9 and its downstream target MMP10 may represent a promising therapeutic approach for tracheal fibrosis.

关键词： Extracellular matrix deposition Fibroblast activation MMP10 SOX9 Tracheal fibrosis

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Real-World Treatment Adherence to Smoking Cessation Medications and Association with Treatment Outcome—27 Centers,China,2017–2022

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China CDC weekly 2024年第22期6卷 522-529,I0001-I0003页

作者： Anqi Cheng Zhao Liu Xinmei Zhou Zheng Su Dan Xiao Chen Wang the China National Tobacco Cessation Cohort Study(CNTCCS)Study Group department of Tobacco Control and Prevention of respiratory Disease Center of Respiratory MedicineChina-Japan Friendship Hospital/WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention/National Center for Respiratory Medicine/National Clinical Research Center for Respiratory Diseases/Institute of Respiratory MedicineChinese Academy of Medical SciencesBeijingChina department of Pulmonary and critical Care medicine Center of Respiratory MedicineChina-Japan Friendship Hospital/WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention/China National Center for Respiratory Medicine/China National Clinical Research Center for Respiratory DiseasesBeijingChina Chinese Academy of Medical Sciences and Peking Union Medical College BeijingChina 不详

What is already known about this topic?Medication non-adherence significantly impedes smoking cessation *** effective smoking cessation medications are accessible in China,realworld adherence and its correlation with treatment outcomes remain largely *** is added by this report?From December 2017 to January 2022,1,120 participants were recruited from 27 centers in all seven geographical regions of *** revealed that only 38.2%of smokers adhered to the prescribed 12-week smoking cessation treatment and those with a higher education level were more likely to be *** addition,smokers with good adherence were more likely to successfully quit *** are the implications for public health practice?The data obtained could enhance our understanding of smoking cessation practices in *** adherence is a crucial strategy to enhance the effectiveness of smoking cessation treatments and management provided to smokers.

关键词： China smoke likely

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Bronchobiliary fistula in a patient with liver cancer

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Hepatobiliary & Pancreatic Diseases International 2024年第5期23卷 523-525页

作者： Yao-Xin Chen Zhi-Hua Deng Hao Zhao Bi-Ying Zhou Jing-Jing Guo Gang Zeng Jin-Xian Qian department of respiratory and critical Care medicine Suzhou Municipal Hospital Affiliated to Nanjing Medical UniversitySuzhou 215000China

Bronchobiliary fistula(BBF) is a pathologic channel between the biliary tract and bronchial tree. In general, congenital BBF is relatively rare in adult patients. There are a few case reports suggesting that BBF is mainly secondary to hepatobiliary diseases, such as biliary obstruction, tumor, surgery, or liver abscess, and liver tumor is the predominant causative factor [1]. In addition, with the increasing number of liver and biliary surgeries and interventional therapies in recent years, more cases of BBF were reported as a postoperative complication [ 2, 3 ]. In this case, we presented a patient who underwent interventional treatment for liver tumor and was treated for his respiratory symptoms but diagnosed with BBF finally. Here, we summarized the clinical features and main diagnostic procedures of the case, aiming to provide evidence for early identification and diagnosis of BBF.

关键词： biliary fistula diagnosis

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Utilizing EMR Data for Smoking Behavior Surveillance in Hospitalized Patients With Chronic respiratory Diseases and Its Impact on Clinical Outcomes—Beijing Municipality,China,2014–2023

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China CDC weekly 2024年第22期6卷 530-534页

作者： Jiachen Li Jian Su Zhaohui Tong Lirong Liang department of Clinical Epidemiology Beijing Institute of Respiratory Medicine and Beijing Chao-Yang HospitalCapital Medical UniversityBeijingChina School of Economics Peking UniversityBeijingChina department of respiratory and critical Care medicine Beijing Institute of Respiratory Medicine and Beijing Chao-Yang HospitalCapital Medical UniversityBeijingChina

What is already known on this topic?Smoking is the primary risk factor for a poor prognosis in chronic respiratory disease(CRD).Current tobacco surveillance efforts in China focus on the general population and do not adequately cover CRD *** is added by this report?We employed electronic medical records(EMR)to track smoking habits in 28,334 hospitalized CRD patients at Beijing Chao-Yang *** rates of former and current smokers were 30.7%and 18.0%,*** former and current smokers exhibited an increased risk of respiratory symptoms and extended hospital *** are the implications for public health practice?These results underscore the importance of implementing smoking monitoring and targeted cessation interventions for hospitalized patients with CRDs.

关键词： respiratory prognosis smoke

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Primary biliary cholangitis presenting with granulomatous lung disease misdiagnosed as lung cancer:A case report

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World Journal of Clinical Cases 2024年第2期12卷 354-360页

作者： Shan-Li Feng Jun-Yao Li Chun-Ling Dong department of respiratory and critical Care medicine The Second Hospital of Jilin UniversityChangchun 130041Jilin ProvinceChina

BACKGROUND There are few cases of pulmonary granulomatous changes secondary to primary biliary cirrhosis(PBC).No case of granulomatous lung disease secondary to PBC misdiagnosed as lung cancer had been *** SUMMARY A middle-aged woman presented with lung nodules and was misdiagnosed with lung cancer by positron emission tomography/computed *** underwent left lobectomy,and the pathology of the nodules showed granulomatous inflammation,which was then treated with ***,a new nodule *** investigation with lung biopsy and liver serology led to the diagnosis of PBC,and chest computed tomography indicated significant reduction in the pulmonary nodule by treatment with methylprednisolone and ursodeoxycholic *** Diagnosis of pulmonary nodules requires integrating various clinical data to avoid unnecessary pulmonary lobectomy.

关键词： Granulomatous lung diseases Primary biliary cirrhosis Differential diagnosis Misdiagnosis Lung cancer Case report

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PD-L1-driven efficient enrichment and elimination of circulating cancer cells by magnetic MoSe_(2) nanosheet

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Nano Research 2024年第5期17卷 4350-4358页

作者： Hongjie Huang Binhua Zou Shanlin Zhu Xingchen Zhang Jiale Huang Jinlin Wang Xiaoling Li Tianfeng Chen The Sixth Affiliated Hospital Jinan UniversityDongguan 523566China department of Chemistry Institute of Food Safety and NutritionJinan UniversityGuangzhou 510632China department of Rehabilitation medicine Nanfang HospitalSouthern Medical UniversityGuangzhou 510515China Pulmonary and critical Care medicine Guangzhou Institute of Respiratory HealthNational Clinical Research Center for Respiratory DiseaseNational Center for Respiratory MedicineState Key Laboratory of Respiratory DiseasesThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510120China

Circulating tumor cells(CTCs)are important biomarkers in the development and progression of lung cancer because they can reach other organs through the blood circulation and form distant metastases,exacerbating lung cancer *** presence of CTCs is also the main reason for the failure of nanomedicine-based lung cancer ***,magnetic MoSe_(2) nanosheets loaded with programmed death-ligand 1(PD-L1),named PD-L1-MFP NS,were employed here to precisely capture lung cancer CTCs in the blood circulation through the tumor-targeting effect of PD-L1 killing CTCs with highly effective photothermal therapy(PTT).In addition,by increasing the expression of cytomegalovirus UL16-binding protein(ULBP)ligands on tumor cells,the PD-L1-MFP NS further activated natural killer(NK)cells and triggered NK cell-induced cancer immunotherapy,thereby enhancing the overall tumor-killing *** summary,this material designed to capture CTCs provides a substantial advancement for personalized PTT-triggered immunotherapy and has great clinical translational potential.

关键词： circulating tumor cells selenide photothermal therapy(PTT) natural killer(NK)cell immunotherapy

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DNA of neutrophil extracellular traps promote NF-κBdependent autoimmunity via cGAS/TLR9 in chronic obstructive pulmonary disease

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Signal Transduction and Targeted Therapy 2024年第7期9卷 3040-3055页

作者： Jun Chen Tao Wang Xiaoou Li Lijuan Gao Ke Wang Mengxin Cheng Zijian Zeng Lei Chen Yongchun Shen Fuqiang Wen department of respiratory and critical Care medicine West China HospitalWest China School of Medicineand Division of Pulmonary DiseasesState Key Laboratory of BiotherapySichuan UniversityChengduSichuan 610041China

Chronic obstructive pulmonary disease(COPD)is characterised by persistent airway inflammation even after cigarette smoking *** extracellular traps(NETs)have been implicated in COPD severity and acute airway inflammation induced by short-term cigarette smoke(CS).However,whether and how NETs contribute to sustained airway inflammation in COPD remain *** study aimed to elucidate the immunoregulatory mechanism of NETs in COPD,employing human neutrophils,airway epithelial cells(AECs),dendritic cells(DCs),and a long-term CS-induced COPD mouse model,alongside cyclic guanosine monophosphate-adenosine monophosphate synthase and toll-like receptor 9 knockout mice(cGAS-^(−/−)TLR9^(−/−));Additionally,bronchoalveolar lavage fluid(BALF)of COPD patients was *** from COPD patients released greater cigarette smoke extract(CSE)-induced NETs(CSE-NETs)due to mitochondrial respiratory chain *** CSE-NETs,containing oxidatively-damaged DNA(NETs-DNA),promoted AECs proliferation,nuclear factor kappa B(NF-κB)activation,NF-κB-dependent cytokines and type-I interferons production,and DC maturation,which were ameliorated/reversed by silencing/inhibition of cGAS/*** the COPD mouse model,blocking NETs-DNA-sensing via cGAS^(−/−)and TLR9^(−/−)mice,inhibiting NETosis using mitoTEMPO,and degrading NETs-DNA with DNase-I,respectively,reduced NETs infiltrations,airway inflammation,NF-κB activation and NF-κBdependent cytokines,but not type-I interferons due to IFN-α/βreceptor *** NETs components(myeloperoxidase and neutrophil elastase activity)in BALF of COPD smokers correlated with disease severity and NF-κB-dependent cytokine levels,but not type-I interferon *** conclusion,NETs-DNA promotes NF-κB-dependent autoimmunity via cGAS/TLR9 in long-term CS exposure-induced ***,targeting NETs-DNA and cGAS/TLR9 emerges as a potential strategy to alleviate persistent airway inflammation in COPD.

关键词： inflammation TLR9 neutrophil

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Comparative Effectiveness of Mobile Health-Based Comprehensive Smoking Cessation Modalities and Traditional Clinic-Delivered Treatments—Beijing Municipality,China,May 2022 to April 2024

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China CDC weekly 2024年第22期6卷 516-521页

作者： Shuilian Chu Hang Jing Di Zhang Yuan Cao Yunliang Qian Xiurong Liu Lin Xiao Zhaohui Tong Lirong Liang department of Research on Tobacco Dependence Therapies Beijing Institute of Respiratory Medicine and Beijing Chao-Yang HospitalCapital Medical UniversityBeijingChina Beijing Center for Disease Prevention and Control BeijingChina Tobacco Control Office Chinese Center for Disease Control and PreventionBeijingChina department of respiratory and critical Care medicine Beijing Institute of Respiratory Medicine and Beijing Chao-Yang HospitalCapital Medical UniversityBeijingChina

What is already known about this topic?Most Chinese smokers have not accessed professional help due to a lack of sufficient smoking cessation *** health(mHealth)can mitigate obstacles related to time and transportation,thereby providing effective support for smokers seeking to *** is added by this report?This study offers real-world evidence supporting the effectiveness of mHealth-based comprehensive smoking cessation *** findings indicate that these modalities can significantly enhance abstinence rates,albeit to a lesser extent compared to traditional clinicbased *** to the intervention was identified as a critical factor influencing the effectiveness of smoking cessation *** are the implications for public health practice?The mHealth-based comprehensive smoking cessation modalities,with or without mailing cessation medications,present a promising approach to enhancing access to and utilization of smoking cessation *** strategy addresses the significant challenge of limited smoking cessation resources in China.

关键词： smoke Health thereby

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