Prenatal and early-life black carbon exposure and childhood cardiometabolic health
产前和生命早期的黑碳暴露与儿童心脏代谢健康
基本信息
- 批准号:10604098
- 负责人:
- 金额:$ 3.71万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-01-01 至 2024-12-31
- 项目状态:已结题
- 来源:
- 关键词:6 year old8 year oldAdipose tissueAdultAgeAirAir PollutantsAir PollutionAreaBiologicalBiological MarkersBirthBloodBody CompositionBody WeightBody mass indexBody measure procedureBrainCarbon BlackCardiometabolic DiseaseCardiovascular DiseasesCardiovascular systemChemicalsChildChildhoodChronic DiseaseCohort StudiesColoradoComplexDataDiabetes MellitusDiameterDietary FactorsEnrollmentEnvironmentEnvironmental EpidemiologyEnvironmental ExposureEnvironmental ImpactEnvironmental PolicyEnvironmental PollutantsEpidemiologic MethodsEvaluationExposure toFacultyFatty acid glycerol estersGlucoseGoalsGrowthHealthHeterogeneityHomeostasisInstitutionInsulinInsulin ResistanceInternationalKnowledgeLeptinLifeLife Cycle StagesLife course epidemiologyLinkLipidsLiteratureMeasurementMeasuresMedicalMentorshipMetabolicMetabolic DiseasesMethodologyMethodsModelingMotor VehiclesNatureNon-Insulin-Dependent Diabetes MellitusObesityOutcomeOverweightParticipantParticulate MatterPhenotypePlayPlethysmographyPoliciesPolicy MakerPostdoctoral FellowPregnancyPregnant WomenPrevalenceProductivityPublic HealthResearchResearch DesignResearch PersonnelResearch Project GrantsResource DevelopmentRiskRisk FactorsRoleScientistSourceStatistical ModelsTechniquesToxic effectTrainingUniversitiesVehicle EmissionsWorkadipokinesadiponectinadverse birth outcomesagedambient air pollutionbiomarker panelcardiometabolic riskcardiometabolismcardiovascular disorder riskcareercareer developmentcohortdisorder riskdoctoral studentearly childhoodearly life exposureenvironmental chemicalepidemiology studyethnic diversityfasting glucosefine particleshigh riskimprovedindexinglongitudinal analysismetermetropolitanmodifiable riskmortalitynovelobesity in childrenobesity riskoffspringpollutantpostnatalpredictive modelingprenatalresearch facilitysedentary lifestyleskillsspatiotemporaltraffic-related air pollutionwaist circumference
项目摘要
PROJECT SUMMARY
Child obesity is a major public health challenge. Exposure to environmental chemicals early in life may lead to
increased risk for obesity and cardiometabolic health disruption in childhood. Black carbon is a traffic-related
air pollutant that is associated with adverse cardiovascular outcomes and early mortality in adults. Very few
previous epidemiologic studies have investigated black carbon exposure during early life and childhood obesity
and growth outcomes. Accordingly, black carbon remains an understudied, yet widespread exposure with a
biologically plausible link to disrupted cardiometabolic homeostasis. We will leverage existing data from the
Healthy Start study, a pre-birth cohort of 1,410 pregnant women enrolled 2009-2014 and their offspring
followed through age 8 years in the Denver-metropolitan area. Healthy Start has extensively phenotyped
participants on biological and anthropometric measures of childhood cardiometabolic health, including precise
body composition measures using state-of-the-art air displacement plethysmography, longitudinal measures of
body mass index (BMI), and blood biomarkers of metabolic homeostasis including fasting glucose, insulin,
lipids, and adipokines. The specific aims are: 1) to estimate associations between prenatal and childhood
exposure to black carbon and indicators of adiposity at 4-6 years, 2) to estimate associations between prenatal
and childhood exposure to black carbon and offspring cardiometabolic biomarkers at 4-6 years, and 3) to
estimate longitudinal associations of prenatal and childhood exposure to black carbon with BMI growth
trajectories from 2-8 years. We hypothesize that early-life exposure to black carbon will result in higher risk of
adverse cardiometabolic outcomes in children. The results will advance understanding of the impact of black
carbon, a specific traffic-related air pollutant, on childhood adiposity and cardiometabolic health. The findings
will provide essential information to environmental policy makers responsible for regulating the public’s
exposure to air pollution. The Applicant is a productive doctoral student at the University of Colorado- Anschutz
Medical Campus, which offers state-of-the-art research facilities, internationally recognized faculty in obesity
and diabetes, and a plethora of career development resources for doctoral students. The Applicant has
assembled a strong mentorship team that comprises environmental scientists and lifecourse epidemiology
experts and developed a comprehensive training plan to build specialized research and analytic skills,
including 1) build knowledge in lifecourse epidemiology methods and study design, 2) gain skills in analytic
approaches for complex correlated and spatially defined environmental exposures, and 3) develop
methodologic expertise in statistical modeling techniques for longitudinal data. Through the completion of the
proposed research and training plan, the Applicant will develop the skills necessary to successfully complete
the proposed project and to continue on the path towards her career goal of becoming an independent
researcher studying the impacts of environmental exposures on chronic diseases across the lifecourse.
项目摘要
儿童肥胖是一个主要的公共卫生挑战。生命早期接触环境化学物质可能会导致
童年时期肥胖和心脏代谢健康中断的风险增加。黑碳是与交通有关的
与心血管不良结局和成年人早期死亡有关的空气污染物。很少
先前的流行病学研究已经调查了早期和儿童肥胖期间黑碳的暴露
并成长结果。彼此之间,黑碳仍然是一种理解的,但又广泛的暴露
与心脏代谢稳态破坏的生物学上合理的联系。我们将利用现有数据
健康的开始研究,1,410名孕妇于2009-2014及其后代组成的1,410名孕妇
随后在丹佛分会地区到8岁。健康的开始已广泛表型
儿童心脏代谢健康的生物学和人体测量的参与者,包括精确
使用最先进的空气位移的身体组成测量,纵向测量
体重指数(BMI)和代谢稳态的血液生物标志物,包括空腹葡萄糖,胰岛素,
脂质和脂肪因子。具体目的是:1)估计产前与童年之间的关联
在4 - 6年时暴露于黑碳和肥胖指标,2)估计产前之间的关联
和儿童时期暴露于4 - 6年的黑碳和后代心脏代谢生物标志物,3)
估计产前和儿童期暴露于BMI生长的纵向纵向关联
2 - 8年的轨迹。我们假设早期接触黑碳将导致更高的风险
儿童的不良心脏代谢结果。结果将进一步了解黑色的影响
碳是一种与交通相关的特定空气污染物,涉及儿童肥胖和心脏代谢健康。发现
将向负责监管公众的环境政策制定者提供基本信息
暴露于空气污染。申请人是科罗拉多大学 - 安苏兹大学的一名富有成效的博士生
提供最先进的研究设施的医疗校园,肥胖学院公认
和糖尿病,以及博士生的大量职业发展资源。申请人有
组成了一个强大的心态团队,包括环境科学家和生命性流行病学
专家并制定了一项全面的培训计划,以建立专业的研究和分析技能,
包括1)在生命性流行病学方法和研究设计中建立知识,2)获得分析技能
复杂相关且经常定义的环境暴露的方法,3)
纵向数据的统计建模技术方面的方法论专业知识。通过完成
拟议的研究和培训计划,申请人将发展成功完成所需的技能
拟议的项目,并继续迈向成为独立的职业目标的道路
研究人员研究环境暴露对整个生命的慢性疾病的影响。
项目成果
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