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- Title
The Dynamic SUMOylation Changes and Their Potential Role in the Senescence of APOE4 Mice.
- Authors
Xu, Yangqi; Cai, Wenwen; Sang, Shaoming; Cheng, Xiaoqin; Jin, Boru; Zhao, Xiangteng; Zhong, Chunjiu
- Abstract
The ε4 allele of apolipoprotein E (APOE4) and aging are the major risk factors for Alzheimer's disease (AD). SUMOylation is intimately linked to the development of AD and the aging process. However, the SUMOylation status in APOE4 mice has not been uncovered. In this study, we investigated SENP1 and SUMOylation changes in the brains of aged APOE3 and APOE4 mice, aiming to understand their potential impact on mitochondrial metabolism and their contribution to cellular senescence in APOE4 mice. Concurrently, SUMO1-conjugated protein levels decreased, while SUMO2/3-conjugated protein levels increased relatively with the aging of APOE4 mice. This suggests that the equilibrium between the SUMOylation and deSUMOylation processes may be associated with senescence and longevity. Our findings highlight the significant roles of SENP1 and SUMOylation changes in APOE4-driven pathology and the aging process.
- Subjects
APOLIPOPROTEIN E4; APOLIPOPROTEIN E; DISEASE risk factors; CELLULAR aging; AGING
- Publication
Biomedicines, 2024, Vol 12, Issue 1, p16
- ISSN
2227-9059
- Publication type
Article
- DOI
10.3390/biomedicines12010016