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Exosome-encapsulated lncRNA HOTAIRM1 contributes to PM_(2.5)-aggravated COPD airway remodeling by enhancing myofibroblast differentiation

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Science China(Life sciences) 2024年第5期67卷 970-985页

作者： Huaqi Guo Luo Fei Hengyi Yu Yan Li Yan Feng Shaowei Wu Yan Wang The Ninth People’s Hospital of Shanghai Jiao Tong university school of medicine Shanghai 200011China school of public health Shanghai Jiao Tong University School of MedicineShanghai 200020China department of Occupational and environmental health sciences School of Public HealthXi’an Jiao Tong University Health Science CenterXi’an 710049China

Emphysema,myofibroblast accumulation and airway remodeling can occur in the lungs due to exposure to atmospheric pollution,especially fine particulate matter(PM_(2.5)),leading to chronic obstructive pulmonary disease(COPD).Specifically,bronchial epithelium-fibroblast communication participates in airway remodeling,which results in *** increasing number of studies are now being conducted on the role of exosome-mediated cell-cell communication in disease ***,we investigated whether exosomes generated from bronchial epithelial cells could deliver information to normal stromal fibroblasts and provoke cellular responses,resulting in airway obstruction in *** studied the mechanism of exosome-mediated intercellular communication between human bronchial epithelial(HBE) cells and primary lung fibroblasts(pLFs).We found that PM_(2.5)-induced HBE-derived exosomes promoted myofibroblast differentiation in ***,the exosomal lncRNA expression profiles derived from PM_(2.5)-treated HBE cells and nontreated HBE cells were investigated using an Agilent Human LncRNA *** coculture assays and direct exosome treatment,we found that HBE cell-derived exosomal HOTAIRM1 facilitated the myofibroblast differentiation of ***,we discovered that exosomal HOTAIRM1 enhanced p LF proliferation to secrete excessive collagen secretion,leading to airway obstruction by stimulating the TGF-β/SMAD3 signaling ***,PM_(2.5)reduced FEV1/FVC and FEV1 and increased the level of serum exosomal HOTAIRM1 in healthy people;moreover,serum exosomal HOTAIRM1 was associated with PM_(2.5)-related reductions in FEV1/FVC and *** findings show that PM_(2.5)triggers alterations in exosome components and clarify that one of the paracrine mediators of myofibroblast differentiation is bronchial epithelial cell-derived HOTAIRM1,which has the potential to be an effective prevention and therapeutic target for PM_(2.5)-induced COPD.

关键词： PM2.5 exosomal lncRNAs HOTAIRM1 chronic obstructive pulmonary disease

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High-fat diet impairs gut barrier through intestinal microbiota-derived reactive oxygen species

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Science China(Life sciences) 2024年第5期67卷 879-891页

作者： Nianyi Zeng Fan Wu Junqi Lu Xiang Li Shaomei Lin Lang Zhou Zhongwei Wang Guangyan Wu Qingfa Huang Daowen Zheng Jie Gao Shan Wu Xiaojiao Chen Muxuan Chen Fanguo Meng Haitao Shang Yan He Peng Chen Hong Wei Zhuang Li Hongwei Zhou Microbiome medicine Center Department of Laboratory MedicineZhujiang HospitalSouthern Medical UniversityGuangzhou 510282China department of environmental health Guangdong Provincial Key Laboratory of Tropical Disease ResearchSchool of Public Health and Tropical MedicineSouthern Medical UniversityGuangzhou 510515China Redox Medical Center for public health Soochow UniversitySuzhou 215301China Precision medicine Institute The First Affiliated HospitalSun Yat-sen UniversityGuangzhou 510080China department of Pathophysiology Guangdong Provincial Key Laboratory of ProteomicsSchool of Basic Medical SciencesSouthern Medical UniversityGuangzhou 510515China

Gut barrier disruption is a key event in bridging gut microbiota dysbiosis and high-fat diet(HFD)-associated metabolic ***,the underlying mechanism remains *** the present study,by comparing HFD-and normal diet(ND)-treated mice,we found that the HFD instantly altered the composition of the gut microbiota and subsequently damaged the integrity of the gut *** sequencing revealed that the HFD upregulates gut microbial functions related to redox reactions,as confirmed by the increased reactive oxygen species(ROS)levels in fecal microbiota incubation in vitro and in the lumen,which were detected using in vivo fluorescence *** microbial ROS-producing capability induced by HFD can be transferred through fecal microbiota transplantation(FMT)into germ-free(GF)mice,downregulating the gut barrier tight ***,mono-colonizing GF mice with an Enterococcus strain excelled in ROS production,damaged the gut barrier,induced mitochondrial malfunction and apoptosis of the intestinal epithelial cells,and exacerbated fatty liver,compared with other low-ROS-producing Enterococcus *** administration of recombinant high-stability-superoxide dismutase(SOD)significantly reduced intestinal ROS,protected the gut barrier,and improved fatty liver against the *** conclusion,our study suggests that extracellular ROS derived from gut microbiota play a pivotal role in HFD-induced gut barrier disruption and is a potential therapeutic target for HFD-associated metabolic diseases.

关键词： fatty liver disease gut microbiota gut barrier high-fat diet oxidative stress reactive oxygen species

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An electropenetrography waveform library for the probing and ingestion behaviors of Culex tarsalis on human hands

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Insect Science 2024年第4期31卷 1165-1186页

作者： Anastasia M.W.Cooper Samuel B.Jameson Victoria Pickens Cameron Osborne Elaine A.Backus Kristopher Silver Dana N.Mitzel department of Entomology Kansas State UniversityManhattanKansasUSA department of tropical medicine Tulane University School of Public Health and Tropical MedicineNew OrleansLos AngelesUSA USDA Agricultural Research Service San Joaquin Valley Agricultural Sciences CenterParlierCaliforniaUSA National Bio and Agro-Defense Facility USDA Agricultural Research ServiceManhattanKansasUSA

Culex tarsalis Coquillett(Diptera:Culicidae)mosquitoes are capable of vectoring numerous pathogens affecting public and animal ***,the probing behaviors of mosquitoes are poorly understood because they occur in opaque ***(EPG)has the potential to elucidate these behaviors by recording the electrical signals generated during *** used an AC–DC EPG with variable input resistors(Ri levels)to construct a waveform library for *** feeding on human *** events associated with mosquito probing were used to characterize waveforms at four Ri levels and with two electrical current *** optimal settings for EPG recordings of *** probing on human hands was an Ri level of 10^(7)Ohms using an applied signal of 150 millivolts alternating *** for *** included those previously observed and associated with probing behaviors in Aedes aegypti L.(Diptera:Culicidae):waveform families J(surface salivation),K(stylet penetration through the skin),L(types 1 and 2,search for a blood vessel/ingestion site),M(types 1 and 2,ingestion),N(type 1,an unknown behavior which may be a resting and digestion phase),and W(withdrawal).However,we also observed variations in the waveforms not described in ***,which we named types L3,M3,M4,and *** investigation enhances our understanding of mosquito probing *** also provides a new tool for the automated calculation of peak *** work will facilitate future pathogen acquisition and transmission studies and help identify new pest and disease management targets.

关键词： AC-DC blood feeders electrical penetration graph EPG human hands mosquitoes waveform library

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Adverse effects of exposure to fine particles and ultrafine particles in the environment on different organs of organisms

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Journal of environmental sciences 2024年第1期135卷 449-473页

作者： Jianwei Zhang Zhao Chen Dan Shan Yang Wu Yue Zhao Chen Li Yue Shu Xiaoyu Linghu Baiqi Wang department of Occupational and environmental health School of Public HealthTianjin Medical UniversityTianjin 300070China department of Medical Tianjin Stomatological HospitalSchool of MedicineNankai UniversityTianjin 300041China Tianjin Key Laboratory of Environment Nutrition and Public HealthTianjin 300070China National Demonstration Center for Experimental Preventive medicine Education(Tianjin Medical university) Tianjin 300070China

Particulate pollution is a global risk factor that seriously threatens human *** particles(FPs)and ultrafine particles(UFPs)have small particle diameters and large specific surface areas,which can easily adsorb metals,microorganisms and other *** and UFPs can enter the human body in multiple ways and can be easily and quickly absorbed by the cells,tissues and *** the body,the particles can induce oxidative stress,inflammatory response and apoptosis,furthermore causing great adverse *** studies mainly take the population as the research object to study the distribution of diseases and health conditions in a specific population and to focus on the identification of influencing ***,the mechanism by which a substance harms the health of organisms is mainly demonstrated through toxicological *** epidemiological studies with toxicological studies will provide a more systematic and comprehensive understanding of the impact of PM on the health of *** this review,the sources,compositions,and morphologies of FPs and UFPs are briefly introduced in the first *** effects and action mechanisms of exposure to FPs and UFPs on the heart,lungs,brain,liver,spleen,kidneys,pancreas,gastrointestinal tract,joints and reproductive system are systematically *** addition,challenges are further pointed out at the end of the *** work provides useful theoretical guidance and a strong experimental foundation for investigating and preventing the adverse effects of FPs and UFPs on human health.

关键词： Fine particles Ultrafine particles Organs Adverse effect

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A Prospective Cohort Study of Antimony Exposure and Cognitive Impairment in Older Adults—China,2017–2021

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China CDC weekly 2024年第23期6卷 537-541,I0001-I0007页

作者： Yidan Qiu Saisai Ji Chen Chen Jinhui Zhou Jun Wang Bing Wu Yuan Wei Fangyu Li Xulin Zheng Lanjing Xu Zheng Zhang Feng Zhao Guangdi Chen John SJi Yuebin Lyu Shilu Tong Xiaoming Shi department of Big Data in health Science School of Public HealthZhejiang UniversityHangzhou CityZhejiang ProvinceChina China CDC Key Laboratory of Environment and Population health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina Center for Global health School of Public HealthNanjing Medical UniversityNanjing CityJiangsu ProvinceChina department of Epidemiology and Biostatistics School of Public HealthJilin UniversityChangchun CityJilin ProvinceChina school of public health China Medical UniversityShenyang CityLiaoning ProvinceChina Institute of environmental health School of Public Healthand Bioelectromagnetics LaboratorySchool of MedicineZhejiang UniversityHangzhou CityZhejiang ProvinceChina environmental Research Center Duke Kunshan UniversityKunshan CityJiangsu ProvinceChina Nicholas school of the Environment Duke UniversityDurhamNCUSA school of public health Institute of Environment and Population HealthAnhui Medical UniversityHefei CityAnhui ProvinceChina school of public health and Social Work Queensland University of TechnologyBrisbaneAustralia

What is already known about this topic?Antimony(Sb)has been identified as a new neurotoxicant that impacts neurological functions in animal ***,its effects on the human population remain *** is added by this report?The study reveals that there is an association between exposure to Sb and a higher incidence of cognitive impairment in older *** dose-response curve demonstrates that the risk of cognitive impairment consistently increased with higher levels of Sb exposure without a discernible *** are the implications for public health practice?Reducing exposure to Sb may have a beneficial effect in delaying or preventing the onset of cognitive *** intervention has the potential to significantly decrease the disease burden associated with cognitive impairment,ultimately contributing to social development.

关键词： Antimony development. exposure

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Early Detection of the Emerging SARS-CoV-2 BA.2.86 Lineage Through Wastewater Surveillance Using a Mediator Probe PCR Assay—Shenzhen City,Guangdong Province,China,2023

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China CDC weekly 2024年第15期6卷 332-338,I0008,I0009页

作者： Chen Du Yuejing Peng Ziquan Lyu Zhijiao Yue Yulin Fu Xiangjie Yao Jinzhen Tang Guixian Luo Chenxi Gao Shisong Fang Xiaolu Shi Chengsong Wan Yinghui Li Qinghua Hu Shenzhen Center for Disease Control and Prevention Shenzhen CityGuangdong ProvinceChina BSL-3 Laboratory(Guangdong) Guangdong Provincial Key Laboratory of Tropical Disease ResearchSchool of Public HealthSouthern Medical UniversityGuangzhou CityGuangdong ProvinceChina department of public health Laboratory sciences School of Public HealthHengyang Medical SchoolUniversity of South ChinaHengyang CityHunan ProvinceChina school of public health Shanxi Medical UniversityTaiyuan CityShanxi ProvinceChina

Introduction:The emergence of the new severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)Omicron sublineage,BA.2.86,has sparked global public health concerns for its potential heightened transmissibility and immune *** data from Shenzhen’s city-wide wastewater surveillance system,we highlight the presence of the BA.2.86 lineage in ***:A mediator probe polymerase chain reaction(PCR)assay was developed to detect the BA.2.86 lineage in wastewater by targeting a specific mutation(Spike:A264D).Between September 19 and December 10,2023,781 wastewater samples from 38 wastewater treatment plants(WWTPs)and 9 pump stations in ten districts of Shenzhen were *** multiple short-amplicon sequencing,three positive samples were ***:The BA.2.86 lineage was identified in the wastewater of Futian and Nanshan districts in Shenzhen on December 2,*** December 2 to 10,a total of 21 BA.2.86-positive wastewater samples were found across 6 districts(Futian,Nanshan,Longhua,Baoan,Longgang,and Luohu)in *** weighted average viral load of the BA.2.86 lineage in Shenzhen’s wastewater was 43.5 copies/L on December 2,increased to 219.8 copies/L on December 4,and then decreased to approximately 100 copies/L on December 6,8,and ***:The mediator probe PCR assay,designed for swift detection of low viral concentrations of the BA.2.86 lineage in wastewater samples,shows promise for detecting different SARS-CoV-2 *** surveillance could serve as an early detection system for promptly identifying specific SARS-CoV-2 variants as they emerge.

关键词： wastewater Wastewater district

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Relationships between blood chromium exposure and liver injury:Exploring the mediating role of systemic inflammation in a chromate-exposed population

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Journal of environmental sciences 2024年第9期143卷 224-234页

作者： Zekang Su Yali Zhang Shiyi Hong Qiaojian Zhang Jiayu Xu Guiping Hu Xiaojun Zhu Fang Yuan Shanfa Yu Tianchen Wang Guang Jia department of Occupational and environmental health sciences School of Public HealthPeking UniversityBeijing 100191China school of Engineering medicine and Beijing Advanced Innovation Center for Big Data-Based Precision medicine Beihang UniversityBeijing 100191China National Center for Occupational Safety and health Beijing 102308China department of Occupational health and Radiological health Chongqing Centers for Disease Control and PreventionChongqing 400042China Henan Institute for Occupational medicine Zhengzhou 450052China department of Clinical Laboratory Third Hospital of Peking UniversityBeijing 100191China

Hexavalent chromium and its compounds are prevalent pollutants,especially in the work environment,pose a significant risk for multisystem toxicity and *** it is known that chromium accumulation in the liver can cause damage,the dose-response relationship between blood chromium(Cr)and liver injury,as well as the possible potential toxic mechanisms involved,remains poorly *** address this,we conducted a follow-up study of 590 visits from 305 participants to investigate the associations of blood Cr with biomarkers for liver injury,including serum alanine aminotransferase(ALT),aspartate aminotransferase(AST),total bilirubin(TBIL),and direct bilirubin(DBIL),and to evaluate the mediating effects of systemic ***(PLT)and the platelet-to-lymphocyte ratio(PLR)were utilized as biomarkers of systemic *** the linear mixed-effects analyses,each 1-unit increase in blood Cr level was associated with estimated effect percentage increases of 0.82%(0.11%,1.53%)in TBIL,1.67%(0.06%,3.28%)in DBIL,0.73%(0.04%,1.43%)in ALT and 2.08%(0.29%,3.87%)in AST,***,PLT mediated 10.04%,11.35%,and 10.77%increases in TBIL,DBIL,and ALT levels induced by chromate,*** addition,PLR mediated 8.26%and 15.58%of the association between blood Cr and TBIL or *** findings shed light on the mechanisms underlying blood Cr-induced liver injury,which is partly due to worsening systemic inflammation.

关键词： Blood chromate Liver injury Systemic inflammation Mediation analysis

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Lecanemab Unveiled:Exploring Alzheimer’s Treatment Advancements,Assessing Strengths,Limitations,and Its Therapeutic Landscape Position

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Biomedical and environmental sciences 2024年第4期37卷 428-431页

作者： VICTOR Abiola Adepoju OKECHUKWU Innocent Onyezue SAFAYET Jamil OLALEKAN John Okesanya DON Eliseo Lucero-Prisno Ⅲ department of HIV and Infectious Diseases Jhpiegoan affiliate of John Hopkins UniversityAbujaNigeria department of Prevention and Community Directorate APIN Public Health InitiativesAbujaNigeria department of public health Daffodil International UniversityDhaka-1216Bangladesh department of public health and Maritime Transport University of ThessalyVolosGreece department of Global health and Development London School of Hygiene and Tropical MedicineLondonUnited Kingdom

In the ever-evolving landscape of Alzheimer’s treatment,lecanemab(Leqembi)has emerged as a promising *** conventional therapies that merely alleviate symptoms,lecanemab is a humanized monoclonal antibody with a distinct *** targets protofibrils,insoluble fibrils,amyloid oligomers,and soluble amyloid-beta protofibrils,which are known to be especially damaging to neurons,with high accuracy.

关键词： Alzheimer amyloid Therapeutic

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Preventive effects of Bifidobacterium lactis Probio-M8 on ovalbumin-induced food allergy in mice

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Food Science and Human Wellness 2024年第4期13卷 2346-2352页

作者： Jialu Shi Yan Xu Cheng Liu Shizhi Wang Jin Wang Vijaya Raghavan Key Laboratory of environmental medicine and Engineering Ministry of Educationand Department of Nutrition and Food HygieneSchool of Public HealthSoutheast UniversityNanjing 210009China department of Bioresource Engineering Faculty of Agricultural and Environmental SciencesMcGill UniversitySainte-Anne-de-BellevueQC H9X3V9Canada

Food allergy is a significant public health concern *** probiotics have been found to enhance food allergy by regulating immune-microbe interactions in animal models and ***,the effects of Bifidobacterium lactis Probio-M8 on food allergy have not been thoroughly *** present study examined the anti-allergic properties of Probio-M8,particularly in relation to immune response and gut microbiota *** demonstrate that oral administration of Probio-M8 effectively mitigated the allergy symptoms triggered by ovalbumin(OVA)by ameliorating the morphological damage in the jejunum,reducing OVA-specific IgE and histamine levels in the serum,and suppressing Th2 cytokines(interleukin(IL)4 and IL-13)while increasing Th1 cytokines(interferon(IFN)γ)and regulatory T(Treg)cytokines(IL-10 and transforming growth factor(TGF)β1)in the culture supernatants of splenic ***,Probio-M8 effectively altered the diversity and composition of gut microbiota,particularly the relative abundances of Akkermansia_muciniphila in OVA-induced *** to the OVA group,the Probio-M8 group showed a decrease in the relative abundance of Akkermansia_*** conclusion,Probio-M8 demonstrates the potential to alleviate food allergy by regulating the Th1/Th2 response and modulating gut microbiota,thereby offering a novel therapeutic strategy for patients with food allergy.

关键词： Food allergy Bifidobacterium lactis Probio-M8 T cell immune response Gut microbiota

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Long-Term Survival Trend of Gynecological Cancer:A Systematic Review of Population-Based Cancer Registration Data

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Biomedical and environmental sciences 2024年第8期37卷 897-921页

作者： Xiaohui Zhou Danni Yang Yixin Zou Dandan Tang Jun Chen Zhuoying Li Qiuming Shen Qun Xu Yongbing Xiang department of Epidemiology&State Key Laboratory of Systems medicine for Cancer Shanghai Cancer InstituteRenji HospitalShanghai Jiaotong University School of MedicineShanghai 200032China school of public health Shanghai Jiaotong University School of MedicineShanghai 200025China school of public health Fudan UniversityShanghai 200025China health Management Center Renji HospitalShanghai Jiaotong University School of MedicineShanghai 200127China

Gynecological cancer significantly affect the health of *** review aimed to describe the global patterns and trends in the survival of patients with gynecological *** searched PubMed,Embase,Web of Science,SinoMed,and SEER for survival analyses of cancer registration data of cervical,endometrial,and ovarian cancers published between 1980 and ***,the highest 5-year observed survival rate for cervical cancer was 76.5% in Anshan,Liaoning,China(2008-2017).The 5-year observed survival rates of endometrial and ovarian cancers were higher in Finland(1995-1999,82.5%)and Singapore(1988-1992,62.0%).The 5-year relative survival rate of cervical cancer patients was higher in Haining,Zhejiang,China(2011-2014,85.8%).Korea ranked first at 89.0% and 64.5% for endometrial and ovarian cancers,*** rates have improved for cervical,endometrial,and ovarian *** aged≥75 years and those with advancedstage disease had the worst 5-year survival *** rates were better for squamous cell carcinoma in cervical cancer,for endometrial carcinoma and mucinous adenocarcinoma in endometrial cancer,and for germ cell and sex-cord stromal tumors in ovarian *** the past four decades,the survival rates of gynecological cancers have increased globally,with notable increases in cervical and endometrial *** rates are higher in developed countries,with a slow-growing *** studies should focus on improving survival,especially in ovarian cancer patients.

关键词： Survival Cancer globally

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