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Basic Science and Pathogenesis
Ziying Lai1, Bingzhou Han1, Tao Wang1,2
1GemPharmatech Co., Ltd., Nanjing, Jiangsu, China.
Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 23, 2025
Summary
The novel FAD3T mouse model accelerates Alzheimer's disease (AD) onset and progression. This advanced model enables faster drug testing for AD therapies, improving therapeutic development timelines.
Area of Science:
- Neuroscience
- Genetics
- Pharmacology
Background:
- Alzheimer's disease (AD) presents a major healthcare challenge.
- Traditional mouse models have slow disease progression, hindering drug discovery.
Purpose of the Study:
- To develop a novel transgenic mouse model for accelerated Alzheimer's disease research.
- To create a platform for efficient pharmaceutical drug testing and development.
Main Methods:
- Developed the FAD3T transgenic mouse model with three key Alzheimer's-associated mutations (hAPP, hPSEN1, hMAPT).
- Monitored early onset of pathogenic markers and cognitive deficits.
Main Results:
- FAD3T mice show early onset of AD hallmarks, mirroring human patients.
- Diagnostic blood markers (p-Tau181, p-Tau217, Aβ42/40, NfL) detected at 1 month.
- Accelerated Aβ deposition, phospho-Tau elevation, and cognitive impairments observed.
Conclusions:
- The FAD3T model accurately recapitulates Alzheimer's disease etiology with rapid progression.
- Offers a faster platform for testing therapies targeting AD progression.
- Represents a transformative tool for understanding AD and expediting therapeutic development.
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