Maternal Acculturation in Pregnancy and Infant Adiposity in Mexican Americans
墨西哥裔美国人怀孕期间的母亲文化适应和婴儿肥胖
基本信息
- 批准号:9315211
- 负责人:
- 金额:$ 71.95万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-07-13 至 2021-02-28
- 项目状态:已结题
- 来源:
- 关键词:AccountingAcculturationAddressAdoptionAgeAge-MonthsAlcohol or Other Drugs useAmericanAttentionBehavioralBiologicalBiological MarkersBiological ProcessBiologyBiophysicsBirthBody CompositionCRH geneCellsCharacteristicsChildChild DevelopmentClassificationClinicalCohort EffectCommunitiesComplementDataDevelopmentDietDimensionsDisadvantagedDual-Energy X-Ray AbsorptiometryEarly identificationElementsEmployee StrikesEndocrineEpidemiologyEquationExhibitsFamilyFatty acid glycerol estersFetal DevelopmentFetusFutureGenerationsGlucoseGoalsGrantGraphGrowthGrowth and Development functionHealthHispanicsHydrocortisoneIceImmigrantImmuneIndividualInfantInsulinInterventionIntervention StudiesLifeLife ExperienceLightLinkLongitudinal StudiesMaternal and Child HealthMeasuresMediatingMetabolicMexicanMexican AmericansMexicoMinorityModelingMothersNeighborhoodsNewborn InfantObesityOutcome StudyPathway AnalysisPathway interactionsPhenotypePhysical activityPlayPopulationPredispositionPregnancyPregnancy TrimestersPreventive InterventionProcessProtocols documentationPsychological StressPublic HealthRecruitment ActivityResearchResearch PersonnelRiskRoleRuralSleepSocial supportSocioeconomic StatusSonStressStructureSubgroupTNF geneTestingTimeTissuesTransducersTreesUnited StatesValidationVariantWomanallostatic loadbiophysical propertiesbody systemcohortdisorder riskfeedingfetalgestational weight gainin uteroinfancyintergenerationalmaternal stressmigrationnovelobesity in childrenobesity riskoffspringpostnatalprenatalprospectivepsychologicpsychosocialsecondary analysissensorsexsocialstudy populationtransmission processunborn childwhole body imaging
项目摘要
PROJECT SUMMARY/ ABSTRACT
This proposal addresses the compelling public health issue of the problem of childhood obesity in the Hispanic
(Mexican-‐American) population. In this context, one of the most striking epidemiological observations is that Hispanic
immigrants in the U.S. exhibit a progressive and pronounced decline in health (obesity/ adiposity) over time and across
generations that is evident even after accounting for socioeconomic status. The prevailing paradigm invokes the construct
of acculturation (post-‐migration acquisition of host culture and/or loss of heritage culture) and posits this health decline
is a biological consequence of some of acculturation’s psychosocial and behavioral sequelae (increasing stress, declining
social ties, adoption of unhealthy diet). However, research has overlooked one crucial point: a major feature of this
phenomenon is its intergenerational component, and yet intergenerational transmission is unaddressed. Our proposal
seeks to address this important limitation. We propose that the cause of the observed intergenerational escalation in
obesity among Mexican-‐Americans may, in part, originate during the intrauterine period of life. At this time, maternal
acculturation-‐related processes may impact fetal development to produce phenotypic alterations in the structure and
function of cells, tissues and organ systems that increase susceptibility for obesity/adiposity (i.e., the concept of
“fetal/developmental programming of health and disease risk”).
We propose to conduct a prospective, longitudinal study in a representative cohort of N=300 first-‐ and second-‐
generation Mexican-‐American mothers and their offspring from early gestation through birth till 6-‐month age. We will
conceptualize, operationalize and analyze acculturation as a multi-‐dimensional construct. We will quantify child
adiposity (% fat mass) at birth and at 6-‐mo age by dual-‐energy X-‐ray absorptiometry (DXA) whole-‐body imaging. We will
address the following specific aims: Aim 1: Test the hypothesis that maternal acculturation is prospectively associated
with newborn and infant body composition (adiposity). Aim 2: Test the hypothesis that gestational endocrine (cortisol,
CRH), immune (IL-‐6, TNF-‐α, CRP), oxidative (5-‐iPF2α-‐VI), and metabolic (glucose, insulin) biology across pregnancy
mediates the effect of maternal acculturation on newborn and infant body composition (adiposity). Aim 3: Identify and
quantify the potentially modifiable maternal psychological, behavioral and biophysical characteristics that are associated
with acculturation and may account for its impact on gestational biology and child body composition (adiposity).
We have assembled an interdisciplinary team of established investigators with complementary expertise; performed a
feasibility analysis documenting our ability to recruit and retain the proposed study population and implement all
elements of the study protocol; and collected and present preliminary data in support of the key tenets of our
proposal. Our study will generate new information about the health of Mexican Americans, shed more light on the causes
and mechanisms of intergenerational cycles of vulnerability, and provide a basis for developing specific translational
targets for future intervention studies.
项目摘要/摘要
该提案解决了西班牙裔儿童肥胖问题的引人入胜的公共卫生问题
(墨西哥 - 美国人)人口。在这种情况下,最引人注目的流行病学观察之一是西班牙裔
美国的移民随着时间的流逝和整个人的健康状况(肥胖/肥胖)的进步且明显的下降
几代人也是证据,即使考虑到社会经济地位。盛行的范式调用构造
适应性(移民后的宿主文化和/或遗产文化丧失),并使健康下降造成
是一些培养的社会心理和行为后遗症(压力增加,下降)的生物学结果
社会关系,采用不健康的饮食)。但是,研究忽略了一个关键点:这是一个主要特征
现象是其代际成分,但代际传播未经后果。我们的建议
试图解决这一重要限制。我们提出,观察到的代际升级的原因
墨西哥人之间的肥胖症 - 美国人可能部分是在内在的生命期间原始的。此时,材料
培养 - 相关过程可能会影响胎儿发育,以在结构中产生表型改变,并
细胞,组织和器官系统的功能增加了肥胖/肥胖敏感性的功能(即,
“健康和疾病风险的胎儿/发育节目”)。
我们提出在n = 300的代表性队列中进行前瞻性的纵向研究
墨西哥一代 - 美国母亲及其后代,从妊娠到出生到六个月。我们将
概念化,操作和分析适应性作为多维结构。我们将量化孩子
生日时肥胖(%脂肪)和6--MO年龄在双重 - 能量x--射线绝对运动学(DXA)全体成像。我们将
解决以下特定目的:目标1:检验材料培养物可能相关的假设
具有新生儿和婴儿的身体成分(肥胖)。目标2:检验妊娠内分泌的假设(皮质醇,
CRH),免疫(IL - 6,TNF-α,CRP),氧化(5--IPF2α-VI)和代谢(葡萄糖,胰岛素)生物学
介导物物培养物对新生儿和婴儿身体成分(肥胖)的影响。目标3:识别和
量化与之相关的潜在可修改的生物心理,行为和生物物理特征
有适应性的情况,可以解释其对妊娠生物学和儿童身体组成(肥胖)的影响。
我们已经组建了一个拥有完善专业知识的成熟研究人员的跨学科团队;执行
可行性分析记录了我们招募和保留拟议的研究人群的能力,并执行所有人
研究方案的要素;并收集并提供初步数据,以支持我们的关键原则
提议。我们的研究将产生有关墨西哥裔美国人健康的新信息,对原因有更多的启示
和脆弱性的代际周期的机制,并为开发特定翻译的基础提供了基础
未来干预研究的目标。
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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Sonja Entringer其他文献
Sonja Entringer的其他文献
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{{ truncateString('Sonja Entringer', 18)}}的其他基金
Prenatal stress biology, infant body composition and obesity risk
产前应激生物学、婴儿身体成分和肥胖风险
- 批准号:
8112558 - 财政年份:2010
- 资助金额:
$ 71.95万 - 项目类别:
Prenatal stress biology, infant body composition and obesity risk
产前应激生物学、婴儿身体成分和肥胖风险
- 批准号:
7949940 - 财政年份:2010
- 资助金额:
$ 71.95万 - 项目类别:
Prenatal stress biology, infant body composition and obesity risk
产前应激生物学、婴儿身体成分和肥胖风险
- 批准号:
8700433 - 财政年份:2010
- 资助金额:
$ 71.95万 - 项目类别:
Prenatal stress biology, infant body composition and obesity risk
产前应激生物学、婴儿身体成分和肥胖风险
- 批准号:
8309217 - 财政年份:2010
- 资助金额:
$ 71.95万 - 项目类别:
Prenatal stress biology, infant body composition and obesity risk
产前应激生物学、婴儿身体成分和肥胖风险
- 批准号:
8489312 - 财政年份:2010
- 资助金额:
$ 71.95万 - 项目类别:
EMA Assessment of Biobehavioral Processes in Human Pregnancy
人类妊娠生物行为过程的 EMA 评估
- 批准号:
8514381 - 财政年份:2010
- 资助金额:
$ 71.95万 - 项目类别:
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