Identifying resilience proteins in key motor tissues that drive motor and cognitive decline and offset the negative effects of ADRD pathologies within and outside the brain

识别关键运动组织中的弹性蛋白,这些蛋白会导致运动和认知能力下降,并抵消大脑内外 ADRD 病理的负面影响

基本信息

  • 批准号:
    10369971
  • 负责人:
  • 金额:
    $ 135.45万
  • 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:
    2022-04-01 至 2027-01-31
  • 项目状态:
    未结题

项目摘要

Movement is a volitional behavior linked to Alzheimer’s disease and related dementias (ADRD). Though many older adults show some degree of Alzheimer’s disease and related pathologies, the extent that these pathologies degrade movement varies. The same amount of Alzheimer’s disease and related pathologies may be related to rapid decline in one adult and little loss in another. An adult who maintains movement or has a slower rate of decline in the presence of Alzheimer’s disease and related pathologies manifests motor resilience. To promote motor resilience, it is crucial to identify risk factors or proteins that offset the negative effects of Alzheimer’s disease and related pathologies. Shared neural substrate underlies motor and cognitive resources that control movement. So, it’s not surprising that cognitive resilience proteins are related to motor resilience. This study will complement our ongoing discovery of resilience using deep omics in “cognitive” brain regions with deep omics in key “motor regions” to identify new genes and proteins that may provide motor and cognitive resilience. This study responds to NOT-AG-20-053. We selected 3 key motor tissues in which to identify motor resilience proteins that may offset the negative effects of pathologies of Alzheimer’s disease and related dementias (ADRD) and degeneration in motor systems. We will then test if some of these proteins also provide cognitive resilience. Compelling data support this study: 1) Alzheimer’s disease pathology in brainstem and spinal cord is related to a higher odds of dementia. 2) Large individual differences in degeneration of spinal motoneurons, nerve and muscle, highlight the need to measure their degeneration to isolate motor resilience. 3) Our systems biology and protein validation approach applied to RNAseq in dorsal lateral prefrontal cortex (DLPFC) identified cognitive resilience genes and proteins in prior work. 4) This approach can succeed in motor tissues as high quality RNAseq data, summarized as co-expression modules, was obtained from 3 key motor tissues (brain [SMA], spinal cord and muscle) from the same decedents. 5) As hypothesized, after isolating motor resilience, we identified proteins in DLPFC that provide resilience for motor or cognitive decline and some that provide resilience for both. Motor resilience manifests as slower motor decline. We will quantify Alzheimer’s disease and related pathologies in brain, brainstem, spinal cord, nerve and muscle to isolate motor resilience i.e., motor decline not explained by Alzheimer’s disease and related pathologies and degeneration. Aim 1 will apply a systems biology approach to transcriptome data from 3 key motor tissues (brain, spinal cord and muscle) to discover genes that may provide motor resilience. Aim 2 will verify these genes with SRM proteins and validate that these proteins are related to motor decline in an independent sample of adults. Aim 3 will test if motor resilience proteins also provide cognitive resilience and if aggregating multiple proteins into a person-specific index quantifies high and low resilience related to Alzheimer’s disease phenotypes. Aim 4 will test if resilience proteins link risk factors with motor and cognitive decline. Resilience proteins are high value targets for drug discovery to maintain motor and cognitive function despite the presence of untreatable Alzheimer’s disease and related pathologies. These data will also inform on mechanisms underlying motor and cognitive decline and risk factors which provide resilience.
运动是一种与阿尔茨海默病和相关痴呆(ADRD)有关的意志行为。尽管许多老年人表现出一定程度的阿尔茨海默病和相关病理,但这些病理对运动能力的影响程度各不相同。同样数量的阿尔茨海默病和相关病理可能与一个成年人的快速衰退和另一个成年人的轻微损失有关。在阿尔茨海默病和相关病理中保持运动或下降速度较慢的成年人表现出运动弹性。为了促进运动恢复能力,确定抵消阿尔茨海默病和相关病理负面影响的风险因素或蛋白质至关重要。共享的神经基质是控制运动的运动和认知资源的基础。所以,认知弹性蛋白与运动弹性有关并不奇怪。这项研究将补充我们正在进行的“认知”大脑区域深度组学和关键“运动区域”深度组学的发现,以确定可能提供运动和认知弹性的新基因和蛋白质。

项目成果

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ARON S BUCHMAN其他文献

ARON S BUCHMAN的其他文献

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{{ truncateString('ARON S BUCHMAN', 18)}}的其他基金

Identifying resilience proteins in key motor tissues that drive motor and cognitive decline and offset the negative effects of ADRD pathologies within and outside the brain
识别关键运动组织中的弹性蛋白,这些蛋白会导致运动和认知能力下降,并抵消大脑内外 ADRD 病理的负面影响
  • 批准号:
    10599328
  • 财政年份:
    2022
  • 资助金额:
    $ 135.45万
  • 项目类别:
Thinking about walking: Can digital phenotyping of mobility improve the prediction of Alzheimer's dementia and inform on the pathologies and proteins contributing to this association?
思考步行:移动的数字表型可以改善阿尔茨海默氏痴呆症的预测并提供有关导致这种关联的病理学和蛋白质的信息吗?
  • 批准号:
    10524888
  • 财政年份:
    2022
  • 资助金额:
    $ 135.45万
  • 项目类别:
Thinking about walking: Can digital phenotyping of mobility improve the prediction of Alzheimer's dementia and inform on the pathologies and proteins contributing to this association?
思考步行:移动的数字表型可以改善阿尔茨海默氏痴呆症的预测并提供有关导致这种关联的病理学和蛋白质的信息吗?
  • 批准号:
    10710174
  • 财政年份:
    2022
  • 资助金额:
    $ 135.45万
  • 项目类别:
Establishing Sleep Apnea as a non-cognitive phenotype of brainstem ADRD pathologies in older adults
将睡眠呼吸暂停确定为老年人脑干 ADRD 病理的非认知表型
  • 批准号:
    10378737
  • 财政年份:
    2021
  • 资助金额:
    $ 135.45万
  • 项目类别:
Establishing Sleep Apnea as a non-cognitive phenotype of brainstem ADRD pathologies in older adults
将睡眠呼吸暂停确定为老年人脑干 ADRD 病理的非认知表型
  • 批准号:
    10602556
  • 财政年份:
    2021
  • 资助金额:
    $ 135.45万
  • 项目类别:
Establishing Sleep Apnea as a non-cognitive phenotype of brainstem ADRD pathologies in older adults
将睡眠呼吸暂停确定为老年人脑干 ADRD 病理的非认知表型
  • 批准号:
    10178701
  • 财政年份:
    2021
  • 资助金额:
    $ 135.45万
  • 项目类别:
Elucidating the molecular drivers of impaired mobility within and outside the CNS in Alzheimer’s disease and related disorders
阐明阿尔茨海默病及相关疾病中枢神经系统内外活动能力受损的分子驱动因素
  • 批准号:
    10613427
  • 财政年份:
    2019
  • 资助金额:
    $ 135.45万
  • 项目类别:
Elucidating the molecular drivers of impaired mobility within and outside the CNS in Alzheimer’s disease and related disorders
阐明阿尔茨海默病及相关疾病中枢神经系统内外活动能力受损的分子驱动因素
  • 批准号:
    9920077
  • 财政年份:
    2019
  • 资助金额:
    $ 135.45万
  • 项目类别:
Elucidating the molecular drivers of impaired mobility within and outside the CNS in Alzheimer’s disease and related disorders
阐明阿尔茨海默病及相关疾病中枢神经系统内外活动能力受损的分子驱动因素
  • 批准号:
    10374874
  • 财政年份:
    2019
  • 资助金额:
    $ 135.45万
  • 项目类别:
Impaired Gait in Older Adults: Pathologies of Alzheimer's disease and Related Disorders
老年人步态受损:阿尔茨海默病及相关疾病的病理学
  • 批准号:
    9889016
  • 财政年份:
    2017
  • 资助金额:
    $ 135.45万
  • 项目类别:

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