Cited by 19Treatment of Major DepressionMicroRNA in disease regulationNeurotransmitter Receptor Influence on Behavior

Hippocampal MicroRNAs Respond to Administration of Antidepressant Fluoxetine in Adult Mice

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Miao, Nan, Jin, Junghee, Kim, Seung-Nam, Sun, Tao·2018·International Journal of Molecular Sciences

Abstract

Current antidepressant treatments to anxiety and depression remain inadequate, burdened by a significant percentage of misuse and drug side-effects, due to unclear mechanisms of actions of antidepressants. To better understand the regulatory roles of antidepressant fluoxetine-related drug reactions, we here investigate changes of expression levels of hippocampal microRNAs (miRNAs) after administration of fluoxetine in normal adult mice. We find that 64 miRNAs showed significant changes between fluoxetine treatment and control groups by analyzing 626 mouse miRNAs. Many miRNAs in response to fluoxetine are involved in neural-related signaling pathways by analyzing miRNA-target gene pairs using the Kyoto encyclopedia of genes and genomes (KEGG) and Gene Ontology (GO). Moreover, miRNAs with altered expression are mainly associated with the repression of the dopaminergic synapse signals, which may affect hippocampal function after fluoxetine treatment. Our results demonstrate that a number of miRNAs respond to antidepressants even in normal mice and may affect target gene expression, which supports the safety consideration of inappropriate treatment and off-label use of antidepressant drugs.

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Authors
Miao, N., Jin, J., Kim, S.-N., & Sun, T.
Affiliations
  • Huaqiao University (CN)
  • Cornell University (US)
  • Dongguk University (KR)
Corresponding author
Sun, Tao
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2018-02-27
Volume
19
Issue
3
Pages
671
ISSN
1422-0067 (ISSN-L)
OpenAlex
W2793099401
Cited by
19
References
74
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2023: 3 · 2022: 3 · 2021: 4 · 2020: 3 · 2019: 2
FWCI
1.45
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • NIH/NIMH (R01-MH083680)
  • National Natural Science Foundation of China (81471152, 31771141, 81701132)
  • China Postdoctoral Science Foundation (2017M622053)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
fluoxetine, microRNA, hippocampus, antidepressants, depression, anxiety, miRNA target genes, antidepressant safety, gene expression changes
MeSH terms
Animals, Antidepressive Agents, Fluoxetine, Gene Expression Regulation, Hippocampus, Synaptic Transmission, Computational Biology, Gene Expression Profiling, RNA Interference, MicroRNAs, Mice, Gene Regulatory Networks, Dopaminergic Neurons, Gene Ontology

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