Environmental chemicals and postpubertal breast composition in a Latino cohort

拉丁裔人群中的环境化学物质和青春期后乳房成分

基本信息

  • 批准号:
    9001036
  • 负责人:
  • 金额:
    $ 97.28万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2015
  • 资助国家:
    美国
  • 起止时间:
    2015-09-30 至 2020-06-30
  • 项目状态:
    已结题

项目摘要

 DESCRIPTION (provided by applicant): Sporadic breast cancer is a hormone dependent malignancy with a steadily increasing incidence. Although the reasons for this increase are uncertain, epidemiologic findings support an important role for environmental pollutants containing endocrine disrupting chemicals (EDCs) and their metabolites. The last six decades have witnessed a massive introduction of hormonally active synthetic chemicals into the environment. Therefore, exposure to EDCs at critical windows of opportunity during the life course may play a role in changing the susceptibility to breast carcinogenesis. Herein, we propose to explore whether exposure to three environmental compounds with different endocrine-disrupting pathways, butyl perfluorooctanoic acid (PFOA), benzyl phthalate (BBP), and Zeranol during the pubertal period will alter breast composition and/or the susceptibility to breast cancer. We will build on an existing puberty cohort of in 400 Latino girls in Chile for whom breast composition measurements at Tanner stage 4 are already available. We propose to extend this cohort to add a breast composition assessment two years after menarche as breast density tracks from this point into adulthood. We propose to study the influence of the three chemicals, PFOA, BBP, and Zeranol, individually and in combination, on breast composition in these Latino girls. To explore whether pubertal exposure to PFOA, BBP, and Zeranol has deleterious effects on mammary gland biology and susceptibility to carcinogenesis, we will study the morphology, transcriptome, and tumorigenesis of the rat mammary gland exposed to these compounds. Results from our work will be disseminated via community outreach to family members of study participants and community members in Chile. Furthermore, we will connect this project and BCERP with breast cancer advocacy in the United States, creating opportunities for translation into personal and policy change to promote health.
 描述(由申请人提供):散发性乳腺癌是一种激素依赖性恶性肿瘤,发病率稳步上升。虽然这种增加的原因是不确定的,流行病学研究结果支持环境污染物中的内分泌干扰物(EDCs)及其代谢物的重要作用。在过去的六十年里,大量具有生物活性的合成化学品进入了环境。因此,在生命过程中的关键机会窗口暴露于内分泌干扰物可能在改变乳腺癌发生的易感性方面发挥作用。在此,我们建议探讨是否暴露于三种环境化合物与不同的内分泌干扰途径,丁基全氟辛酸(PFOA),邻苯二甲酸苄酯(BBP),Zeranol在青春期期间将改变乳房组成和/或乳腺癌的易感性。我们将在智利现有的400名拉丁裔女孩的青春期队列的基础上, 坦纳阶段4的乳房组成测量已经可用。我们建议扩展这一队列,在月经初潮两年后增加乳房成分评估,因为乳房密度从这一点跟踪到成年。我们建议研究三种化学物质,PFOA,BBP和Zeranol,单独和组合,对这些拉丁美洲女孩的乳房组成的影响。为了探讨青春期暴露于PFOA,BBP和Zeranol是否对乳腺生物学和致癌易感性产生有害影响,我们将研究暴露于这些化合物的大鼠乳腺的形态学,转录组和肿瘤发生。我们的工作成果将通过社区外展向智利的研究参与者和社区成员的家庭成员传播。此外,我们将把这个项目和BCERP与美国的乳腺癌宣传联系起来,创造机会转化为个人和政策的变化,以促进健康。

项目成果

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专利数量(0)

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JULIA Green BRODY其他文献

JULIA Green BRODY的其他文献

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{{ truncateString('JULIA Green BRODY', 18)}}的其他基金

Scaling up access and usability of smartphone tools for reporting chemical biomonitoring results
扩大用于报告化学生物监测结果的智能手机工具的访问和可用性
  • 批准号:
    9917777
  • 财政年份:
    2019
  • 资助金额:
    $ 97.28万
  • 项目类别:
Transdisciplinary Training at the Intersection of Environmental Health Science and Social Science (EH+SS)
环境健康科学与社会科学交叉学科的跨学科培训(EH SS)
  • 批准号:
    10674726
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:
Transdisciplinary Training at the Intersection of Environmental Health Science and Social Science (EH+SS)
环境健康科学与社会科学交叉学科的跨学科培训(EH SS)
  • 批准号:
    10450064
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:
Transdisciplinary Training at the Intersection of Environmental Health and Social Science
环境健康与社会科学交叉领域的跨学科培训
  • 批准号:
    9103115
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:
Transdisciplinary Training at the Intersection of Environmental Health and Social Science
环境健康与社会科学交叉领域的跨学科培训
  • 批准号:
    9532167
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:
Environmental chemicals and postpubertal breast composition in a Latino cohort
拉丁裔人群中的环境化学物质和青春期后乳房成分
  • 批准号:
    9471887
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:
Transdisciplinary Training at the Intersection of Environmental Health and Social Science
环境健康与社会科学交叉领域的跨学科培训
  • 批准号:
    8852963
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:
Transdisciplinary Training at the Intersection of Environmental Health and Social Science
环境健康与社会科学交叉领域的跨学科培训
  • 批准号:
    9307830
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:
Transdisciplinary Training at the Intersection of Environmental Health Science and Social Science (EH+SS)
环境健康科学与社会科学交叉学科的跨学科培训(EH SS)
  • 批准号:
    10204625
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:
Stackable trainings in the FAIRification and AI/ML readiness of data with applications to environmental health and justice
数据公平化和人工智能/机器学习就绪性的可堆叠培训及其在环境健康和正义中的应用
  • 批准号:
    10405960
  • 财政年份:
    2015
  • 资助金额:
    $ 97.28万
  • 项目类别:

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