Cited by 91Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsInflammasome and immune disorders

Trisomy 21–induced dysregulation of microglial homeostasis in Alzheimer’s brains is mediated by USP25

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Zheng, Qiuyang, Li, Guilin, Wang, Shihua, Zhou, Ying, Liu, Ke, Gao, Yue, Zhou, Yulin, Zheng, Liangkai +11 more·2021·Science Advances

Abstract

Trisomy 21 induces microglial dysregulation in the Alzheimer’s brain through the perturbation of the ubiquitin-proteasome system.

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Crossref · 10.1126/sciadv.abe1340

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  • USP25, a ubiquitin-specific protease encoded on HSA21, is a critical regulator of AD pathology, promoting β cleavage of APP and Aβ generation by reducing ubiquitination and lysosomal degradation of APP and BACE1 in DS-AD mice.

    “Furthermore, it was recently reported that USP25, a ubiquitin-specific protease encoded on HSA21, is a critical regulator of AD pathology, as it promotes β cleavage of APP and Aβ generation by reducing the ubiquitination and lysosomal degradation of both APP and BACE1 in DS-AD mice.19,20”

    From Interferon signaling modulates Down syndrome-associated Alzheimer’s disease pathology in a mouse model (2025) · cites this paper as [20]

    The Introduction identifies USP25 as a chromosome 21–encoded ubiquitin-specific protease, and the Discussion calls it a critical regulator of immune homeostasis in DS and AD. But the paper attributes its effects to microglial pathways, identifying WDFY1 and ATP6V0C as USP25 substrates; it does not support the claimed mechanism of APP and BACE1 stabilization, increased APP β-cleavage, or increased Aβ generation in DS-AD mice. The indexed copy supplies section labels but no page numbers. (LLM, conf=0.90)

    Experimental — accuracy not yet measured
  • Some genes triplicated in Dp16 mice, including Dyrk1a, Usp25, S100b, Rcan1, and the Ifnrs, could contribute to cognitive dysfunction.

    “indicating that some genes triplicated in Dp16 mice could contribute to cognitive dysfunction, including Dyrk1a, Usp25, S100b, Rcan1, and the Ifnrs.”

    From Interferon signaling modulates Down syndrome-associated Alzheimer’s disease pathology in a mouse model (2025) · cites this paper as [20]

    The Results section (‘Trisomy of chromosome 21 genes promotes neuroinflammation’) reports that Dp16 mice carry a triplication and that increased USP25 dosage impaired spatial memory in a 5×FAD mouse model. Our copy does not establish that Dyrk1a, S100b, Rcan1, or the Ifnrs contribute to cognitive dysfunction, so the full list is not supported by this source. (LLM, conf=0.86)

    Experimental — accuracy not yet measured

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Authors
Zheng, Q., Li, G., Wang, S., Zhou, Y., Liu, K., Gao, Y., Zhou, Y., Zheng, L., Zhu, L., Deng, Q., Wu, M., Di, A., Zhang, L., Zhao, Y., Zhang, H., Sun, H., Dong, C., Xu, H., & Wang, X.
Affiliations
  • Xiamen University (CN)
  • Xizang Minzu University (CN)
  • Tsinghua University (CN)
Corresponding author
Wang, Xin
Venue
Science Advances
Published
2021-01
Volume
7
Issue
1
ISSN
2375-2548 (ISSN-L)
OpenAlex
W3117408617
Cited by
85
References
58
Citations by year
2026: 16 · 2025: 16 · 2024: 18 · 2023: 15 · 2022: 15 · 2021: 5
FWCI
5.81
Type
journal article
Language
en
Open access
Locations
  • Science Advances (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (31871077, 81822014, 81571176, 81701130)
  • National Key Research and Development Program of China Stem Cell and Translational Research (2016YFC1305900)
  • Natural Science Foundation of Fujian Province of China (2017J06021)
  • Fundamental Research Funds for the Chinese Central Universities (20720150061)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
Down syndrome, Alzheimer's disease, microglial homeostasis, USP25, ubiquitin-proteasome system, microglia, neuroinflammation

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