Cited by 318Treatment of Major DepressionMicroRNA in disease regulationNeurotransmitter Receptor Influence on Behavior

MicroRNA 135 is essential for chronic stress resiliency, antidepressant efficacy, and intact serotonergic activity

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Issler, Orna, Haramati, Sharon, Paul, Evan D., Maeno, Hiroshi, Navon, Inbal, Zwang, Rayya, Gil, Shosh, Mayberg, Helen S. +7 more·2014·Neuron

Abstract

The link between dysregulated serotonergic activity and depression and anxiety disorders is well established, yet the molecular mechanisms underlying these psychopathologies are not fully understood. Here, we explore the role of microRNAs in regulating serotonergic (5HT) neuron activity. To this end, we determined the specific microRNA "fingerprint" of 5HT neurons and identified a strong microRNA-target interaction between microRNA 135 (miR135), and both serotonin transporter and serotonin receptor-1a transcripts. Intriguingly, miR135a levels were upregulated after administration of antidepressants. Genetically modified mouse models, expressing higher or lower levels of miR135, demonstrated major alterations in anxiety- and depression-like behaviors, 5HT levels, and behavioral response to antidepressant treatment. Finally, miR135a levels in blood and brain of depressed human patients were significantly lower. The current results suggest a potential role for miR135 as an endogenous antidepressant and provide a venue for potential treatment and insights into the onset, susceptibility, and heterogeneity of stress-related psychopathologies.

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Crossref · 10.1016/j.neuron.2014.05.042

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  • Chronic stress causes dendritic retraction in mPFC, dorsal hippocampus, and dorsomedial striatum but hypertrophy in BLA, vHPC, orbitofrontal cortex, and dorso-lateral striatum and no change in lateral or central subnuclei of the amygdala.

    “Chronic stress causes dendritic retraction in mPFC, dorsal hippocampus, and dorsomedial striatum but hypertrophy in the BLA, vHPC, orbitofrontal cortex, and dorso-lateral striatum and no change in the lateral or central subnuclei of the amygdala (3,54,57–61).”
  • Depressed individuals and suicide victims showed reduced miR-135a levels in their blood and post-mortem dorsal raphe nucleus, respectively, and blood miR-135a levels in depressed patients increased after antidepressant treatment.

    “Importantly, depressed individuals and suicide victims showed reduced miR-135a levels in their blood and post-mortem dorsal raphe nucleus, respectively, and blood miR-135a levels in depressed patients increased after antidepressant treatment.”
  • Environmental stress and antidepressant medications change miRNA expression levels in various brain regions that control mood, including the prefrontal cortex, amygdala, nucleus accumbens, locus coeruleus, and dorsal raphe nucleus.

    “Environmental stress and antidepressant medications change miRNA expression levels in various brain regions that control mood, including the PFC, amygdala, nucleus accumbens, locus coeruleus, and dorsal raphe nucleus.”

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Authors
Issler, O., Haramati, S., Paul, E. D., Maeno, H., Navon, I., Zwang, R., Gil, S., Mayberg, H. S., Dunlop, B. W., Menke, A., Awatramani, R., Binder, E. B., Deneris, E. S., Lowry, C. A., & Chen, A.
Affiliations
  • Max Planck Institute of Psychiatry (DE)
  • Weizmann Institute of Science (IL)
  • University of Colorado Boulder (US)
  • Case Western Reserve University (US)
  • Emory University (US)
  • Northwestern University (US)
Corresponding author
Chen, Alon
Venue
Neuron
Publisher
Elsevier BV
Published
2014-07
Volume
83
Issue
2
Pages
344-360
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2100746803
Cited by
318
References
82
Citations by year
2026: 6 · 2025: 19 · 2024: 19 · 2023: 21 · 2022: 22 · 2021: 35 · 2020: 26 · 2019: 46 · 2018: 30 · 2017: 32 · 2016: 39 · 2015: 16 · 2014: 6
FWCI
22.52
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Digital Library (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
National Institute of Mental Health (P50MH078028, R01MH062723, R01MH086539)
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
chronic stress, stress resilience, depression, anxiety, antidepressant efficacy, serotonin, serotonergic neurons, serotonin transporter, serotonin receptor 1A, miRNA-target interactions, genetically modified mice
MeSH terms
Animals, Antidepressive Agents, Anxiety, Behavior, Animal, Brain, Depression, Mice, Transgenic, Serotonin, Social Behavior, Stress, Psychological, MicroRNAs, Receptor, Serotonin, 5-HT1A, Serotonin Plasma Membrane Transport Proteins, Mice, Resilience, Psychological, Serotonergic Neurons

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