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The Dynamic SUMOylation Changes and Their Potential Role in the Senescence of APOE4 Mice

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Journal Biomedicines
Date 2024 Jan 26
PMID 38275378
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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.

References
1.
Luo H, Xia Y, Shu X, Liu Z, Feng Y, Liu X . SUMOylation at K340 inhibits tau degradation through deregulating its phosphorylation and ubiquitination. Proc Natl Acad Sci U S A. 2014; 111(46):16586-91. PMC: 4246270. DOI: 10.1073/pnas.1417548111. View

2.
Shi Y, Yamada K, Liddelow S, Smith S, Zhao L, Luo W . ApoE4 markedly exacerbates tau-mediated neurodegeneration in a mouse model of tauopathy. Nature. 2017; 549(7673):523-527. PMC: 5641217. DOI: 10.1038/nature24016. View

3.
Matsuzaki S, Lee L, Knock E, Srikumar T, Sakurai M, Hazrati L . SUMO1 Affects Synaptic Function, Spine Density and Memory. Sci Rep. 2015; 5:10730. PMC: 4650663. DOI: 10.1038/srep10730. View

4.
Yoo D, Kim D, Kwon H, Jung H, Nam S, Kim J . Chronic administration of SUMO‑1 has negative effects on novel object recognition memory as well as cell proliferation and neuroblast differentiation in the mouse dentate gyrus. Mol Med Rep. 2017; 16(3):3427-3432. DOI: 10.3892/mmr.2017.6946. View

5.
Chen Z, Zhong C . Decoding Alzheimer's disease from perturbed cerebral glucose metabolism: implications for diagnostic and therapeutic strategies. Prog Neurobiol. 2013; 108:21-43. DOI: 10.1016/j.pneurobio.2013.06.004. View