Impact of Prenatal alcohol on Alzheimer's disease related pathology and cognitive impairment

产前酒精对阿尔茨海默病相关病理和认知障碍的影响

基本信息

项目摘要

Project Summary: Persons with fetal alcohol spectrum disorders (FASD) experience life-long neurocognitive deficits as well as social and adaptive dysfunction, but we know virtually nothing about their health as they age. We recently reported that prenatal alcohol-exposure (PAE) resulted in long-term alteration in cranially-directed blood flow and reduced recovery of function after an acute ischemic injury in adulthood. This suggests that PAE is an important risk factor for cerebrovascular diseases and consequently, for dementia and Alzheimer's disease (AD). Young PAE rats also exhibit cognitive deficits and importantly, increased depression-related behaviors which are early predictors of AD. Therefore, in these studies, we will utilize the transgenic TgF344-AD rat which develops AD pathology in aging, to test the hypothesis that PAE will accelerate cerebro-vascular impairment, behavioral dysfunction and the accumulation of AD-related brain lesions, leading to premature aging. Moreover, we will specifically test whether male and female PAE offspring differ in their accumulation of AD-related anatomical and neurobehavioral pathology. We will implement a vapor-chamber model of repeated PAE, to achieve consistent binge-like maternal exposure episodes, spanning the fetal neurogenic period. PAE and control offspring will be assessed from young adults to 15 months of age, by ultrasound imaging of cranially directed blood flow, by a panel of behavioral assays for cognitive dysfunction and depression-like phenotypes, as well as a panel of histological assays for AD pathology. The investigators have a history of collaboration and application of experimental rigor in their areas of complementary expertise in models of aging and PAE, which supports the feasibility of the proposed studies. These studies are significant because they address a critical knowledge gap about the link between early life adversity, i.e., PAE, and the onset of AD. We expect that, if these studies do link PAE to accelerated AD pathology, they will help redefine FASD as a disorder of premature aging and strengthen the premise for investigating mechanisms that link PAE to aging, as well as interventions that decouple this linkage.
项目概要: 患有胎儿酒精谱系障碍(FASD)的人会经历终生的神经认知缺陷, 社会和适应功能障碍,但我们对他们的健康状况几乎一无所知。我们最近 报告说,产前酒精暴露(PAE)导致长期改变颅向血流 以及成年期急性缺血性损伤后功能恢复减少。这表明PAE是一种 脑血管疾病以及痴呆和阿尔茨海默病重要危险因素 (AD)。年轻的PAE大鼠也表现出认知缺陷,重要的是,抑郁相关行为增加 这是AD的早期预测因素。因此,在这些研究中,我们将利用转基因TgF 344-AD大鼠 在衰老过程中发展AD病理学,以检验PAE会加速血管紧张素转换酶(VEGF) 损伤,行为功能障碍和AD相关脑病变的积累,导致过早 衰老此外,我们将专门测试雄性和雌性PAE后代在其积累方面是否不同, AD相关的解剖学和神经行为病理学。我们将实现一个蒸汽室模型, 重复PAE,以实现一致的暴食样母体暴露事件,跨越胎儿神经源性 期将通过超声评估从年轻成年到15个月大的PAE和对照后代 通过一组认知功能障碍的行为测定对颅侧定向血流进行成像, 抑郁样表型,以及一组AD病理学的组织学测定。 研究人员在他们的领域有着合作和实验严谨性应用的历史, 在老化和PAE模型方面的互补专业知识,支持拟议研究的可行性。 这些研究意义重大,因为它们解决了关于早期生活与 逆境,即,故其始也,故其始也。我们预计,如果这些研究确实将PAE与加速AD联系起来, 病理学,他们将有助于重新定义FASD作为一种早衰症,并加强前提, 研究PAE与衰老的联系机制,以及消除这种联系的干预措施。

项目成果

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Rajesh C Miranda其他文献

Rajesh C Miranda的其他文献

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{{ truncateString('Rajesh C Miranda', 18)}}的其他基金

Impact of Prenatal alcohol on Alzheimer's disease related pathology and cognitive impairment
产前酒精对阿尔茨海默病相关病理和认知障碍的影响
  • 批准号:
    10570173
  • 财政年份:
    2022
  • 资助金额:
    $ 21.41万
  • 项目类别:
Prenatal alcohol and stroke susceptibility in the aging adult with FASD
患有 FASD 的老年人的产前酒精和中风易感性
  • 批准号:
    10396634
  • 财政年份:
    2018
  • 资助金额:
    $ 21.41万
  • 项目类别:
Prenatal alcohol and stroke susceptibility in the aging adult with FASD
患有 FASD 的老年人的产前酒精和中风易感性
  • 批准号:
    9915821
  • 财政年份:
    2018
  • 资助金额:
    $ 21.41万
  • 项目类别:
Prenatal alcohol and stroke susceptibility in the aging adult with FASD
患有 FASD 的老年人的产前酒精和中风易感性
  • 批准号:
    10172800
  • 财政年份:
    2018
  • 资助金额:
    $ 21.41万
  • 项目类别:
Prenatal microRNA neuro-therapeutics for fetal alcohol exposure
针对胎儿酒精暴露的产前 microRNA 神经疗法
  • 批准号:
    9240564
  • 财政年份:
    2016
  • 资助金额:
    $ 21.41万
  • 项目类别:
Prenatal microRNA neuro-therapeutics for fetal alcohol exposure
针对胎儿酒精暴露的产前 microRNA 神经疗法
  • 批准号:
    9044875
  • 财政年份:
    2016
  • 资助金额:
    $ 21.41万
  • 项目类别:
Fetal Alcohol Exposure and Neurodevelopment
胎儿酒精暴露与神经发育
  • 批准号:
    7865937
  • 财政年份:
    2009
  • 资助金额:
    $ 21.41万
  • 项目类别:
Fetal Alcohol Exposure and Neurodevelopment
胎儿酒精暴露与神经发育
  • 批准号:
    6423577
  • 财政年份:
    2002
  • 资助金额:
    $ 21.41万
  • 项目类别:
Fetal Alcohol Exposure and Neurodevelopment
胎儿酒精暴露与神经发育
  • 批准号:
    7496370
  • 财政年份:
    2002
  • 资助金额:
    $ 21.41万
  • 项目类别:
Fetal Alcohol Exposure and Neurodevelopment
胎儿酒精暴露与神经发育
  • 批准号:
    7669338
  • 财政年份:
    2002
  • 资助金额:
    $ 21.41万
  • 项目类别:

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