Glial tone of aggression
Open accessAbstract
Anger transition is often abrupt. In this study, we investigated the mechanisms responsible for switching and modulating aggression levels. The cerebellum is considered a center for motor coordination and learning; however, its connection to social behavior has long been observed. Here, we used the resident-intruder paradigm in male mice and examined local field potential (LFP) changes, glial cytosolic ion fluctuations, and vascular dynamics in the cerebellar vermis throughout various phases of a combat sequence. Notably, we observed the emergence of theta-band oscillations in the LFP and sustained elevations in glial Ca2+ levels during combat breakups. When astrocytes, including Bergmann glial cells, were photoactivated using channelrhodopsin-2, the theta-band emerged and an early combat breakup occurred. Within a single combat sequence, rapid alteration of offensive (fight) and passive (flight) responses were observed, which roughly correlated with decreases and increases in glial Ca2+, respectively. Neuron-glial interactions in the cerebellar vermis may play a role in adjusting Purkinje cell excitability and setting the tone of aggression. Future anger management strategies and clinical control of excessive aggression and violent behavior may be realized by developing a therapeutic strategy that adjusts glial activity in the cerebellum.
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Astrocytes and the vasculature may not only respond passively to neuronal activity but may also exhibit dynamics that precede changes in neuronal network states.
“Together, these findings suggest that astrocytes and the vasculature may not only respond passively to neuronal activity but may also exhibit dynamics that precede changes in neuronal network states39,53–55.”
From Energy paradox in REM sleep: balancing supply and consumption in brain metabolism (2026) · cites this paper as [55]
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“Together, these fi ndings suggest that astrocytes and the vasculature may not only respond passively to neuronal activity but may alsoexhibitdynamicsthatprecedechangesinneuronalnetworkstates 39,53 – 55 .”
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- Authors
- Asano, Y., Sasaki, D., Ikoma, Y., & Matsui, K.
- Affiliations
- Tohoku University (JP)
- Corresponding author
- Matsui, Ko
- ORCID
- Matsui, Ko
- Venue
- Neuroscience Research
- Publisher
- Elsevier BV
- Published
- 2024-05
- Volume
- 202
- Pages
- 39-51
- ISSN
- 0168-0102 (ISSN-L)
- OpenAlex
- W4388979173
- Cited by
- 9
- References
- 65
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 5
- FWCI
- 1.09
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Neuroscience Research (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Uehara Memorial Foundation
- Japan Society for the Promotion of Science (18H05110, 19H03338, 20H05046, 20H05896, 22H02713, 22K15218, 22KJ0255, 22KJ0262, 23H04659)
- NOVARTIS Foundation (Japan) for the Promotion of Science
- Research Foundation for Opto-Science and Technology
- Takeda Science Foundation
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
- Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Keywords
- aggression, cerebellum, cerebellar vermis, astrocytes, Bergmann glia, theta oscillations, local field potentials, resident-intruder paradigm, Purkinje cells, neuron-glia interactions, anger management, vascular dynamics
- MeSH terms
- Aggression, Animals, Astrocytes, Calcium, Cerebellum, Male, Mice, Inbred C57BL, Neuroglia, Mice
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