Epigenetics, environmental exposure, and reproduction in the Collaborative Cross
协同杂交中的表观遗传学、环境暴露和繁殖
基本信息
- 批准号:8281087
- 负责人:
- 金额:$ 8.79万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-06-01 至 2014-05-31
- 项目状态:已结题
- 来源:
- 关键词:Adverse effectsAllelesAnalysis of VarianceAnimal ModelBiologicalBiological AssayBiological ModelsChemical ExposureChromosome MappingComplexDNA MethylationDataDiethylstilbestrolEndocrine DisruptorsEnvironmentEnvironmental ExposureEpigenetic ProcessEquilibriumEstrogensExposure toGene ExpressionGene Expression RegulationGenesGeneticGenetic ModelsGenetic VariationGenomeGoalsHealthHumanInbred MouseInbred StrainInbred Strains MiceInbreedingIndividualKnowledgeLinkMale Genital OrgansMapsMeasuresMentorsMethodsModelingMolecularMolecular BiologyMolecular WeightMusNeonatalPathway interactionsPhenotypePhysiologicalPhysiologyPlayPopulationPopulation ControlPopulation HeterogeneityPostdoctoral FellowPredispositionPropertyProtocols documentationQuantitative Trait LociRandomizedReproducibilityReproductionReproductive PhysiologyReproductive systemResearchResearch PersonnelResourcesRoleSeriesSperm Count ProcedureSystemTestingTestisTissuesTranslatingVariantbisulfiteconsumer productgene environment interactioninsightmRNA Expressionmalepublic health relevancereproductiveresponsetraitxenoestrogen
项目摘要
DESCRIPTION (provided by applicant)
The proposed research is a systems genetics approach to characterize the complex relationships between genetic variation, epigenetic regulation, gene expression, male reproductive physiology, and environmental exposure. To accomplish this goal, the investigators will leverage the power of diverse inbred mouse strains and the Collaborative Cross, a mouse reference population that has ideal properties for systems genetics. To identify gene-by-environment (GXE) interactions, the investigators will perturb the reproductive system with the powerful estrogen diethylstilbestrol (DES) and phenotype identical exposed and control populations. The investigators will measure DNA methylation, mRNA expression, and reproductive traits with the purpose of modeling genetic effects and GXE across three levels of genome function. This research will produce new biological knowledge of the genetic networks underlying the reproductive system, DES function at the molecular level, and genes underlying DES sensitivity.
Public Health Relevance: Endocrine disrupting chemicals (EDCs) are used in many consumer products and most people are exposed to low levels of EDCs regularly. Mice have been used to show how EDC exposure can cause adverse effects on the reproductive system, but the mice used in these studies are usually genetically identical. Since the investigators know genetics are an important determinant of sensitivity to environmental exposures in humans, they propose to study EDC effects on reproduction in a newly available mouse resource that has a human-like amount of genetic variation.
描述(由申请人提供)
拟议的研究是一个系统遗传学的方法来表征遗传变异,表观遗传调控,基因表达,男性生殖生理和环境暴露之间的复杂关系。为了实现这一目标,研究人员将利用不同近交系小鼠品系和协作杂交的力量,协作杂交是一种具有系统遗传学理想特性的小鼠参考种群。为了确定基因与环境(GXE)的相互作用,研究人员将干扰生殖系统与强大的雌激素己烯雌酚(DES)和表型相同的暴露和对照人群。 研究人员将测量DNA甲基化、mRNA表达和生殖性状,目的是在三个基因组功能水平上对遗传效应和GXE进行建模。这项研究将产生新的生物学知识的遗传网络的生殖系统,DES功能在分子水平上,和基因的DES敏感性。
公共卫生相关性:内分泌干扰物(EDCs)用于许多消费品中,大多数人经常接触低水平的EDCs。 小鼠已被用于显示EDC暴露如何对生殖系统造成不良影响,但这些研究中使用的小鼠通常在遗传上是相同的。由于研究人员知道遗传学是人类对环境暴露敏感性的重要决定因素,因此他们建议在具有与人类相似遗传变异量的新可用小鼠资源中研究EDC对生殖的影响。
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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David Lawrence Aylor其他文献
David Lawrence Aylor的其他文献
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{{ truncateString('David Lawrence Aylor', 18)}}的其他基金
A New Model for Elucidating the Genetic Mechanisms of Hybrid Male Sterility in House Mice
阐明家鼠杂交雄性不育遗传机制的新模型
- 批准号:
10709906 - 财政年份:2022
- 资助金额:
$ 8.79万 - 项目类别:
A New Model for Elucidating the Genetic Mechanisms of Hybrid Male Sterility in House Mice
阐明家鼠杂交雄性不育遗传机制的新模型
- 批准号:
10592916 - 财政年份:2022
- 资助金额:
$ 8.79万 - 项目类别:
Systems Toxicogenomics of Endocrine Disrupting Chemicals in Brain
脑内内分泌干扰化学物质的系统毒物基因组学
- 批准号:
9098205 - 财政年份:2016
- 资助金额:
$ 8.79万 - 项目类别:
Systems Toxicogenomics of Endocrine Disrupting Chemicals in Brain
脑内内分泌干扰化学物质的系统毒物基因组学
- 批准号:
9567637 - 财政年份:2016
- 资助金额:
$ 8.79万 - 项目类别:
Epigenetics, environmental exposure, and reproduction in the Collaborative Cross
协同杂交中的表观遗传学、环境暴露和繁殖
- 批准号:
8831815 - 财政年份:2014
- 资助金额:
$ 8.79万 - 项目类别:
Epigenetics, environmental exposure, and reproduction in the Collaborative Cross
协同杂交中的表观遗传学、环境暴露和繁殖
- 批准号:
9063160 - 财政年份:2014
- 资助金额:
$ 8.79万 - 项目类别:
Epigenetics, environmental exposure, and reproduction in the Collaborative Cross
协同杂交中的表观遗传学、环境暴露和繁殖
- 批准号:
8478110 - 财政年份:2012
- 资助金额:
$ 8.79万 - 项目类别:
System Genetics of Male Infertility in the Collaborative Cross
合作杂交中男性不育的系统遗传学
- 批准号:
8003213 - 财政年份:2010
- 资助金额:
$ 8.79万 - 项目类别:
System Genetics of Male Infertility in the Collaborative Cross
合作杂交中男性不育的系统遗传学
- 批准号:
8205432 - 财政年份:2010
- 资助金额:
$ 8.79万 - 项目类别:
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