Cited by 40Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Semaglutide ameliorates Alzheimer's disease and restores oxytocin in APP/PS1 mice and human brain organoid models

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Zhang, Yinbing, Tang, Cheng, He, Yao, Zhang, Yingqian, Li, Qinxi, Zhang, Ting, Zhao, Bangcheng, Tong, Aiping +2 more·2024·Biomedicine & Pharmacotherapy

Abstract

AIMS: To investigate the therapeutic effects and mechanisms of Semaglutide in Alzheimer's disease (AD), and identify its potential targets. METHODS: We systematically evaluated the effect of Semaglutide on Alzheimer's disease (AD), using both mice and human organoid models. RESULTS: Behavioral analyses on APP/PS1 mice demonstrated that Semaglutide improved the cognitive capabilities, particularly in the learning and memory domains. Biochemical investigations further highlighted its role in reducing amyloid plaque deposition and down-regulating the expression of glial fibrillary acidic protein (GFAP) and ionized calcium binding adaptor molecule 1 (Iba1) expression in the mouse brain tissues. Meanwhile, oxytocin (OXT) was up-regulated after Semaglutide treatment. Subsequent studies using human AD-brain organoids (BOs) models revealed that, upon Semaglutide treatment, these AD-BO models also exhibited reduced levels of amyloid-beta (Aβ), phosphorylated Tau (p-Tau) and GFAP expression as well as increased OXT level. CONCLUSIONS: Semaglutide can ameliorate Alzheimer's disease in pre-clinical models, suggesting the promising therapeutic potential in AD patients.

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Crossref · 10.1016/j.biopha.2024.117540

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  • Preclinical studies have shown that GLP-1RAs exert neurocognitive protection by reducing amyloid-β deposition, tau hyperphosphorylation, neuroinflammation, and oxidative stress, while also improving cognitive function in murine Alzheimer disease and human brain organoid models.

    “Preclinical studies have shown that GLP-1RAs exert neurocognitive protection by reducing amyloid-β deposition, tau hyperphosphorylation, neuroinflammation, and oxidative stress, while also improving cognitive function in murine Alzheimer disease 24,25 and human brain organoid models.26”

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Authors
Zhang, Y., Tang, C., He, Y., Zhang, Y., Li, Q., Zhang, T., Zhao, B., Tong, A., Zhong, Q., & Zhong, Z.
Affiliations
Sichuan University (CN)
Venue
Biomedicine & Pharmacotherapy
Publisher
Elsevier BV
Published
2024-11
Volume
180
Pages
117540
ISSN
0753-3322 (ISSN-L)
OpenAlex
W4403362854
Cited by
36
References
63
Citations by year
2026: 19 · 2025: 17
FWCI
10.25
Type
journal article
Language
en
Open access
Locations
  • Biomedicine & Pharmacotherapy (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • National Key Research and Development Program of China (2021YFF0702001)
  • Sichuan University (ZYYC08005, ZYJC18041)
  • National Natural Science Foundation of China (82071349, 82073404)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
semaglutide, Alzheimer's disease, oxytocin, APP/PS1 mice, brain organoids, amyloid-beta, tau phosphorylation, glial fibrillary acidic protein, Iba1, glial activation, learning and memory, cognitive impairment, amyloid plaques
MeSH terms
Semaglutide, Alzheimer Disease, Animals, Brain, Cognition, Disease Models, Animal, Glucagon-Like Peptides, Humans, Male, Mice, Inbred C57BL, Mice, Transgenic, Organoids, Oxytocin, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Mice, Presenilin-1, Plaque, Amyloid

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