2/1 - Mongolian Center for Environmental & Occupational Health - Mongolia
2/1 - 蒙古环境中心
基本信息
- 批准号:10448171
- 负责人:
- 金额:$ 28.91万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-06-13 至 2027-02-28
- 项目状态:未结题
- 来源:
- 关键词:AddressAdultAffectAirAir PollutionAnti-Inflammatory AgentsAntiviral ResponseAttentionBackBacterial InfectionsBiological MarkersBiometryCOVID-19 impactCOVID-19 pandemicCaliberCell Culture TechniquesCell modelCellsCessation of lifeCitiesCoalCommunicable DiseasesDataDiseaseEconomicsEnvironmental Engineering technologyEnvironmental HealthEpidemicEpidemiologyEpithelialExposure toGovernmentHeatingHeavy MetalsHigh PrevalenceHumanImmuneImmune responseImmune signalingImmunologic MarkersImmunologicsImmunologyImpairmentIncidenceInfectionInflammatoryInflammatory ResponseInfluenzaInstitutionInterdisciplinary StudyInterferon Type IInterventionLaboratoriesLengthLigandsLinkLiquid substanceLiteratureLongitudinal trendsMeasuresMedicalMedicineMineralsMongoliaMorbidity - disease rateNoseObservational StudyOccupational HealthOsteoporosisOxidative StressOzoneParticipantParticulateParticulate MatterPilot ProjectsPoliciesPollutionPopulationPredispositionProcessProtocols documentationPublic HealthPublishingPulmonary InflammationPulmonary TuberculosisResearchResearch DesignResearch PersonnelResearch Project GrantsResearch TrainingRespiratory DiseaseRiskRisk FactorsRoleScienceSeveritiesSourceStatistical ModelsStudy SubjectStudy modelsTLR3 geneTLR7 geneTemperatureTestingTimeTime Series AnalysisToxicologyTractionTuberculosisUniversitiesVariantViralViral Respiratory Tract InfectionVirusVirus DiseasesVisitWorkair pollution controlairway epitheliumbonecoarse particlescytokinedesignenvironmental changeepidemiology studyexperienceexperimental studyfaculty mentorfine particlesflufollow-upimprovedinsightinterdisciplinary approachmembermortalitynon-smokingpollutantprematureprogramsrespiratoryresponsesystemic inflammatory responsevirology
项目摘要
ABSTRACT
In recent decades, Mongolia has experienced major economic and environmental changes, and suffered
from severe air pollution. Ulaanbaatar (UB) and Darkhan City (DC) have some of the highest ambient particulate
matter (PM) concentrations in the world and frequently suffer epidemics of viral respiratory diseases. The
associations between PM exposure and cardiorespiratory mortality and morbidity have been well documented,
with an established 6.67 million premature deaths globally attributed to air pollution in 2019. Recently, attention
has increased regarding the association of PM pollution and respiratory viral infection. Hence, this U01 proposal,
as part of the Mongolian GEOHealth Hub program, focuses on studying the relationships and interactions
between PM exposure and respiratory viral infections. The U01 project consists of a main study and two pilot
studies to begin Center activities. The main project is designed to test the hypothesis that PM exposure weakens
the immune defense against respiratory viral infection. It has three interconnected specific aims. Aim 1 is to
characterize the relationship between PM exposure and respiratory viral infection through a time-series analysis
of weekly influenza-like illness (ILI) rates in association with PM levels within and across UB and DC, adjusting
for potential confounders and co-pollutants. As an air pollution control measure, UB started the implementation
of processed coal use in May, 2019, whereas DC continues to use raw coal. Nesting this policy intervention into
the time-series analysis strengthens the causal inference of the PM-ILI association derived from natural
variabilities over time. Aim 2 is to examine immunologic and viral responses to personal PM exposure through
two parallel panel studies in residents of UB and DC, respectively. Each panel consists of 100-120 nonsmoking
adults who will be measured semiannually during a 3-year follow-up period. ILI counts and immunologic
biomarkers will be associated with personal PM exposures. Aim 3 is to define the direct effects of PM exposure
on epithelial integrity and immune signaling and the subsequent impact on anti-viral responses. This will be
achieved through cell culture studies that are directly linked to Aim 2 subjects (as cell donors). The two pilot
studies, built upon the Aim 2 main study, aim to explore the effects of PM on pulmonary tuberculosis and bone
mineral loss, respectively. These studies are motivated by high prevalence of both tuberculosis and osteoporosis
in Mongolia and by emerging evidence suggesting PM or heavy metals in PM as risk factors. This U01 proposal
is an interdisciplinary research project involving researchers in epidemiology, toxicology, environmental and
occupational health, exposure science, biostatistics, virology, immunology, environmental engineering,
respiratory medicine, and infectious disease from multiple institutions in Mongolia, Duke University, and Duke
Kunshan University. The U01 research is designed to be the initial main platform for engaging U2R Fellows
(trainees) and Faculty (mentors) in research and training.
1
摘要
近几十年来,蒙古经历了重大的经济和环境变化,
严重的空气污染。乌兰巴托(UB)和达尔汗市(DC)的环境颗粒物含量最高
空气中的颗粒物(PM)浓度在世界上最高,并且经常遭受病毒性呼吸道疾病的流行。的
PM暴露与心肺死亡率和发病率之间的关联已得到充分证明,
2019年,全球有667万人因空气污染而过早死亡。近日,关注
关于PM污染与呼吸道病毒感染之间的关系,因此,U 01提案,
作为蒙古GEOHealth Hub计划的一部分,重点研究
PM暴露和呼吸道病毒感染之间的关系。U 01项目包括一项主要研究和两项试点研究
研究开始中心活动。主要项目旨在检验PM暴露减弱的假设
抵抗呼吸道病毒感染的免疫防御。它有三个相互关联的具体目标。目标1是
通过时间序列分析来描述PM暴露与呼吸道病毒感染之间的关系
每周流感样疾病(ILI)发生率与UB和DC内和之间的PM水平相关,调整
潜在的混杂物和共污染物。作为一项空气污染控制措施,UB开始实施
在2019年5月,加工煤的使用量增加,而DC继续使用原煤。将这种政策干预嵌套到
时间序列分析强化了自然界PM-ILI关联的因果推断
随着时间的变化。目的2是通过以下方法检测个人PM暴露的免疫和病毒反应:
分别在UB和DC的居民中进行的两项平行小组研究。每个小组由100-120名无烟
在3年随访期内每半年测量一次的成人。ILI计数和免疫学
生物标志物将与个人PM暴露相关。目标3是确定PM暴露的直接影响
对上皮完整性和免疫信号传导以及随后对抗病毒反应的影响。这将是
通过与目标2受试者(作为细胞供体)直接相关的细胞培养研究实现。两个试点
基于目标2主要研究的研究旨在探索PM对肺结核和骨的影响。
矿物质损失。这些研究的动机是结核病和骨质疏松症的高患病率
在蒙古和新出现的证据表明PM或PM中的重金属作为风险因素。U 01提案
是一个跨学科的研究项目,涉及流行病学,毒理学,环境和
职业健康,接触科学,生物统计学,病毒学,免疫学,环境工程,
蒙古、杜克大学和杜克的多个机构的呼吸医学和传染病
昆山大学。U 01研究旨在成为吸引U2 R研究员的最初主要平台
(实习生)和教师(导师)在研究和培训。
1
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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{{ truncateString('Davaalkham - Dambadarjaa', 18)}}的其他基金
2/2 - Mongolian Center for Environmental & Occupational Health - U.S.
2/2 - 蒙古环境中心
- 批准号:
10447466 - 财政年份:2022
- 资助金额:
$ 28.91万 - 项目类别:
2/1 - Mongolian Center for Environmental & Occupational Health - Mongolia
2/1 - 蒙古环境中心
- 批准号:
10640965 - 财政年份:2022
- 资助金额:
$ 28.91万 - 项目类别:
2/2 - Mongolian Center for Environmental & Occupational Health - U.S.
2/2 - 蒙古环境中心
- 批准号:
10634747 - 财政年份:2022
- 资助金额:
$ 28.91万 - 项目类别:
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