Tuesday, January 27, 2026 1/27/2026

Priming the proteasome to protect against aging and Alzheimer's disease

Award Number: RF1AG072510
ORGANIZATION: NATIONAL INSTITUTE ON AGING
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 07/01/2022
PERIOD OF PERFORMANCE END DATE: 06/30/2025

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Priming the proteasome to protect against aging and Alzheimer's disease - PROJECT SUMMARY Alzheimer’s disease (AD) is the most common cause of dementia that affects million people and poses a serious financial burden to the nation. However, to develop effective therapeutics for AD has been a challenge. To date, no effective treatment is available to either prevent the disease or halt its progression. A major hurdle for this is the lack of reliable therapeutic targets for the disease. AD is associated with accumulation of misfolded proteins including senile (Aβ) plaques and neurofibrillary tangles. It remains unclear how these protein accumulations occur and what roles they play in the pathogenesis of AD. Additionally, AD is a multifactorial disease exhibiting symptoms both in the brain and heart. However, the temporal relationship between the peripheral symptoms to AD pathogenesis remains unknown. In response to the NOT-AG-18-051 from the National Institute on Aging, we propose to study the role of a key phosphoregulation of the proteasome in aging and AD. Specifically, we will determine whether changes in proteasome functionality, through increase or decrease of Rpn6 phosphorylation at the serine-14 residue (Ser14-Rpn6 phosphorylation), alter aging process and AD pathogenesis in both the brain and heart. Two unique mouse knock-in models, phosphorylation mimicry and phosphorylation blockade at Ser14-Rpn6, will be studied at baseline and when crossed with an AD mouse model to generate the phosphorylation mimicry-AD and phosphorylation blockade- AD mice. Furthermore, the contribution of proteasome activation by PKA to the therapeutic benefits to the brain and heart of AD animals exerted by a pharmacological strategy that can augment cAMP/PKA signaling and increase Ser14-Rpn6 phosphorylation and proteasome activities in both the brain and heart will be determined. This work will lead to significant mechanistic insight into a key phosphoregulation of the proteasome in protection against aging and AD. Success of this work can also advance the mechanistic understanding of a clinically translatable therapeutic strategy for the disease.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $0 )
2026	2022	THE UNIVERSITY OF SOUTH DAKOTA	414 E CLARK ST	VERMILLION	SD	57069	CLAY	USA	Aging Research	000	1	1/22/2026	NEW	$0
														Subtotal = $0

Issue Date FY: 2025 ( Subtotal = $0 )
2025	2022	THE UNIVERSITY OF SOUTH DAKOTA	414 E CLARK ST	VERMILLION	SD	57069	CLAY	USA	Aging Research	000	1	12/21/2024	NEW	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $0 )
2023	2022	UNIVERSITY OF SOUTH DAKOTA	414 E CLARK ST	VERMILLION	SD	57069	CLAY	USA	Aging Research	000	1	9/13/2023	NEW	$0
														Subtotal = $0

Issue Date FY: 2022 ( Subtotal = $1,625,919 )
2022	2022	THE UNIVERSITY OF SOUTH DAKOTA	414 E CLARK ST	VERMILLION	SD	57069	CLAY	USA	Aging Research	000	1	6/14/2022	NEW	$1,625,919
														Subtotal = $1,625,919

Grand Total All Awards = $1,625,919

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Priming the proteasome to protect against aging and Alzheimer's disease

Award Number: RF1AG072510

ORGANIZATION: NATIONAL INSTITUTE ON AGING

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 07/01/2022

PERIOD OF PERFORMANCE END DATE: 06/30/2025

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