Epigenetic Mechanisms Linking Lifetime Social and Environmental Exposures to Cognitive Aging

将终生社会和环境暴露与认知衰老联系起来的表观遗传机制

基本信息

  • 批准号:
    10429698
  • 负责人:
  • 金额:
    $ 10万
  • 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:
    2022-05-15 至 2024-04-30
  • 项目状态:
    已结题

项目摘要

Project Summary/Abstract The proposed project integrates training in epigenetic epidemiology and methods with a research project that examines how epigenetics may provide insight into the biological embedding of lifetime social and environmental exposures that influence cognitive aging at older ages. This training and research plan will facilitate the transition to an independent researcher in the field of life course research, social genomics, and Alzheimer's Diseases and Related Dementias (ADRD) for Dr. Mateo Farina. He received his Ph.D. in Sociology (Demography Emphasis) from the University of Texas at Austin where he researched the life course origins of dementia onset among Blacks and Whites in the United States. As an NIA-supported postdoctoral fellow at the Davis School of Gerontology at the University of Southern California (USC), he has begun to incorporate biomarkers into his work and will now expand these to include epigenetic markers. Epigenetics, which is defined as measures based on DNA methylation and the RNA transcriptome, can have a significant impact on cognitive aging. Not only can epigenetics effect brain structure during development (i.e., lower hippocampal volume), but also it can influence brain pathology (i.e. increased amyloid). Through these biological pathways, the risk of poor cognitive aging outcomes, such as cognitive impairment, increases. This connection to brain health has made epigenetics potentially important for the study of ADRD. Epigenetics is also greatly influenced by life experiences. As such, it is an important biosocial mechanism that can be examined to evaluate how life course exposures impact cognitive aging. The proposed research will push the aging field forward by: 1) advancing our understanding of how epigenetics are associated with cognitive aging across multiple measures of cognitive functioning and change, 2) investigate the epigenetic-based biosocial pathways that link lifetime social and environmental exposures to cognitive aging and 3) understanding how epigenetics may lead to downstream physiological dysregulation that has been linked to poor cognitive health. The proposed research uses the newly released DNA methylation data and the soon-to-be released RNA transcriptome data in the Health and Retirement Study. This data, along with the rich information on cognition and social and economic conditions throughout life, make it possible to examine the epigenetic mechanisms linking life course exposures and their timing to cognitive aging in a large, diverse nationally representative population. USC provides the ideal training environment to undertake this research given the multidisciplinary nature of the School of Gerontology, expertise in cognitive aging, and several didactic options for training in epigenetic methods. This training will prepare the PI to submit an R01 proposal as a junior tenure-track professor.
项目总结/文摘

项目成果

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Matthew Farina其他文献

Matthew Farina的其他文献

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{{ truncateString('Matthew Farina', 18)}}的其他基金

Epigenetic Mechanisms Linking Lifetime Social and Environmental Exposures to Cognitive Aging
将终生社会和环境暴露与认知衰老联系起来的表观遗传机制
  • 批准号:
    10618395
  • 财政年份:
    2022
  • 资助金额:
    $ 10万
  • 项目类别:

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