Investigating Socio-Structural Determinants of Health and the Tumor Epigenome to Understand the Etiology of Racial Disparities in Breast Cancer

研究健康的社会结构决定因素和肿瘤表观基因组,以了解乳腺癌种族差异的病因

基本信息

  • 批准号:
    10361020
  • 负责人:
  • 金额:
    $ 9.21万
  • 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:
    2022-03-11 至 2024-02-29
  • 项目状态:
    已结题

项目摘要

Project Summary/ Abstract The overarching goal of this project is to examine how socio-structural determinants of health impact the breast tumor DNA methylome, activation of oncogenic signaling and ultimately, the racially disparate development of triple negative breast cancer (TNBC). The etiologic basis of racial disparities in TNBC is not well understood and few studies have investigated the impact of social determinants of health as potential drivers of disparities. Recent work from the McCullough group shows that, in Atlanta, Black women with breast cancer are more likely to live in redlined neighborhoods than White women (80% vs 20%) and that living in areas with high rates of redlining is associated with a 60% increase in breast cancer mortality. These data support the need to investigate redlining as an etiologic driver of race disparities in TNBC. We posit that to achieve health equity, it is necessary to understand how socio-structural inequities can be adversely manifested biologically, resulting in breast cancer. The goal of this study is to elucidate a biological mechanism that explains the association between neighborhood-level redlining and disparities in TNBC. This investigation requires a researcher with a diverse skillset that can address questions from the population to the bench. This Pathway to Independence Award (K99/R00) application by Dr. Miller-Kleinhenz intends to uniquely position her to answer these questions by building on her prior expertise in breast tumor biology and expanding her skill set in social and molecular epidemiology and epigenetics. To achieve the aims of this research, Dr. Miller-Kleinhenz will focus her training in three areas, (1) increasing knowledge through a comprehensive didactic curriculum, (2) experiencing and learning from varied research environments, and (3) fostering professional development through leadership, scientific communication, and then transitioning to independence. These training goals will be supervised by an interdisciplinary mentoring team, led by Dr. Lauren McCullough, a cancer health disparities and molecular epidemiology expert and an Assistant Professor of Epidemiology at Rollins School of Public Health at Emory University. The co-mentor will be Dr. Adam Marcus, an expert cancer biologist and a Professor of Hematology and Oncology and the Interim Executive Director of the Winship Cancer Institute. This training will aid Dr. Miller-Kleinhenz to pursue the following aims during the K99 phase: Understanding the impact of redlining as a social-structural determinant of health that is associated with TNBC development (Aim 1) and examining redlining-associated DNA methylation signatures of the breast tumor epigenome in TNBC (Aim 2). During the R00 phase, she will determine the pathobiological significance of redlining-associated expression of oncogenic signaling pathways in TNBC (Aim 3). This 5-year research and training plan will allow Dr. Miller-Kleinhenz to establish an independent research program that will elucidate new avenues for policy interventions and pharmacological treatments that would contribute to the ultimate goal of reducing cancer health disparities.
项目总结/摘要 该项目的总体目标是研究健康的社会结构决定因素如何影响乳房 肿瘤DNA甲基化,致癌信号的激活,以及最终, 三阴性乳腺癌(TNBC)。TNBC中种族差异的病因学基础尚不清楚 很少有研究调查健康的社会决定因素作为差距的潜在驱动因素的影响。 McCullough小组最近的研究表明,在亚特兰大,患乳腺癌的黑人妇女更多, 更有可能生活在红线社区的女性比白色女性多(80%比20%), 与乳腺癌死亡率增加60%有关。这些数据表明, 调查红线作为TNBC种族差异的病因驱动因素。我们认为,要实现健康公平, 有必要了解社会结构的不平等如何在生物学上表现出来, 在乳腺癌中。这项研究的目的是阐明一种生物学机制,解释这种关联 社区一级的红线与TNBC的差异之间的关系。这项调查需要一名研究人员, 多样化的技能,可以解决从人口到法官的问题。通往独立的道路 Miller-Kleinhenz博士的获奖(K99/R 00)申请旨在使她能够回答这些问题 通过建立她在乳腺肿瘤生物学方面的专业知识,并扩大她在社会和分子方面的技能, 流行病学和表观遗传学。为了实现这项研究的目标,米勒-克莱因亨茨博士将集中她的训练, 在三个方面,(1)通过全面的教学课程增加知识,(2)体验和 从不同的研究环境中学习,(3)通过领导力促进专业发展, 科学交流,然后过渡到独立。这些培训目标将由 由Lauren McCullough博士领导的跨学科指导团队,癌症健康差异和分子 埃默里大学罗林斯公共卫生学院流行病学助理教授 大学共同导师将亚当马库斯博士,一个专家癌症生物学家和血液学教授 以及Winship癌症研究所的临时执行主任。这项研究将帮助博士。 Miller-Kleinhenz在K99阶段追求以下目标: 健康的社会结构决定因素,与TNBC的发展(目标1)和审查 TNBC中乳腺肿瘤表观基因组的红线化相关DNA甲基化特征(Aim 2)。期间 R 00期,她将确定红线相关的致癌基因表达的病理生物学意义。 TNBC中的信号传导途径(Aim 3)。这项为期5年的研究和培训计划将使米勒-克莱因亨茨博士能够 建立一个独立的研究计划,阐明政策干预的新途径, 药物治疗,这将有助于减少癌症健康差距的最终目标。

项目成果

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Jasmine Miller-Kleinhenz其他文献

Jasmine Miller-Kleinhenz的其他文献

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{{ truncateString('Jasmine Miller-Kleinhenz', 18)}}的其他基金

Investigating Socio-Structural Determinants of Health and the Tumor Epigenome to Understand the Etiology of Racial Disparities in Breast Cancer
研究健康的社会结构决定因素和肿瘤表观基因组,以了解乳腺癌种族差异的病因
  • 批准号:
    10590758
  • 财政年份:
    2022
  • 资助金额:
    $ 9.21万
  • 项目类别:

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