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Cell Subtype-specific Analysis of Neuronal Membrane Proteasome in Somatosensory Neurons
Published on: October 10, 2025
418
Somatostatin-expressing neurons in cortical networks
Joanna Urban-Ciecko1, Alison L Barth1
1Department of Biological Sciences and the Center for the Neural Basis of Cognition, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, USA.
Nature Reviews. Neuroscience
|May 27, 2016
Summary
Somatostatin neurons are key inhibitory cells in the brain, controlling network activity through GABA type A (GABAAR) and GABA type B (GABABR) receptors. Their unique properties shape brain function during learning and behavior.
Area of Science:
- Neuroscience
- Cellular Neuroscience
- Systems Neuroscience
Background:
- Somatostatin-expressing GABAergic neurons are a major inhibitory cell class in the mammalian cortex.
- These neurons exhibit dense local network connectivity and high intrinsic firing rates.
- Their activity is modulated by brain states, learning, and reward-driven behaviors.
Purpose of the Study:
- To review recent advances in understanding the role of somatostatin-expressing neurons in controlling network activity.
- To examine how the anatomical and electrophysiological properties of these neurons influence network control.
Main Methods:
- Review of recent scientific literature on somatostatin-expressing GABAergic neurons.
- Analysis of anatomical and electrophysiological data related to these neurons.
- Integration of findings concerning their role in network activity regulation.
Main Results:
- Somatostatin neurons provide both fast (GABAAR) and slow (GABABR) inhibition.
- Their high basal firing activity contributes significantly to cortical inhibition.
- Brain state, learning, and reward influence the activity of these inhibitory neurons.
Conclusions:
- The anatomical and electrophysiological characteristics of somatostatin-expressing neurons are critical determinants of their network control.
- These neurons play a vital role in modulating brain activity across different behavioral contexts.
- Further research into these cells can elucidate mechanisms of brain function and dysfunction.
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