Cited by 35Alzheimer's disease research and treatmentsMicroRNA in disease regulationNeuroinflammation and Neurodegeneration Mechanisms

MicroRNA-338-5p alleviates neuronal apoptosis via directly targeting BCL2L11 in APP/PS1 mice.

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Li, Junhua, Li, Danhua, Zhou, Huatao, Wu, Guiyun, He, Zhijie, Liao, Wenhua, Li, Yujuan, Zhi, Yaowei·2020·Aging

Abstract

MicroRNAs have become pivotal modulators in the pathogenesis of Alzheimer’s disease. MiR-338-5p is associated with neuronal differentiation and neurogenesis, and expressed aberrantly in patients with cognitive dysfunction. However, its role and potential mechanism involved in Alzheimer’s disease remain to be elucidated. Herein, we showed that the expression of miR-338-5p decreased in APP/PS1 mice, accompanied by the elevation in the expression level of amyloid β, which indicated a reverse relationship between Alzheimer’s disease progression and miR-338-5p. In addition, lentiviral overexpression of miR-338-5p through intrahippocampal injection mitigated the amyloid plaque deposition and cognitive dysfunction in APP/PS1 mice, suggesting a protecting role of miR-338-5p against the development of Alzheimer’s disease. Moreover, miR-338-5p decelerated apoptotic loss of neurons in APP/PS1 mice. MiR-338-5p decreased neuronal apoptosis in vitro induced by amyloid β accumulation, which was attributed to the negative regulation of BCL2L11 by miR-338-5p, since the restoration of BCL2L11 eliminated the protective role of miR-338-5p against neuronal apoptosis. Taken together, all of these results may indicate miR-338-5p as an innovative modulator in the pathogenesis of Alzheimer’s disease, and also suggest that the protective effect of miR-338-5p on neuronal apoptosis may underlie its beneficial effect on APP/PS1 mice.

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Authors
Li, J., Li, D., Zhou, H., Wu, G., He, Z., Liao, W., Li, Y., & Zhi, Y.
Affiliations
Sun Yat-sen University (CN)
Corresponding author
  • Li, Yujuan
  • Zhi, Yaowei
Venue
Aging
Published
2020-10-21
Volume
12
Issue
20
Pages
20728-20742
ISSN
1945-4589 (ISSN-L)
OpenAlex
W3093624462
Cited by
35
References
50
Citations by year
2026: 3 · 2025: 3 · 2024: 6 · 2023: 6 · 2022: 8 · 2021: 8 · 2020: 1
FWCI
3.46
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Aging (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81471352, 81641160)
  • Natural Science Foundation of Guangdong Province (No.2018A0303130272, 2018A0303130272, 2016A030313251, No.2016A030313251, 2016A030313827)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
miR-338-5p, BCL2L11, Alzheimer's disease, neuronal apoptosis, amyloid-beta, APP/PS1 mice, amyloid plaques, cognitive impairment, hippocampus
MeSH terms
Bcl-2-Like Protein 11, Alzheimer Disease, Animals, Cells, Cultured, Male, Mice, Inbred C57BL, Neurons, Apoptosis, MicroRNAs, Mice, Cognitive Dysfunction

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