ArticleInternational journal of molecular sciences2022
Cell-Type Specific Inhibition Controls the High-Frequency Oscillations in the Medial Entorhinal Cortex.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Modulation of slow and fast oscillations by direct current stimulation in the cerebral cortex in vitro.The Journal of physiology · 2026Article
- Medial entorhinal VIP-expressing interneurons receive input from the thalamic anterior dorsal nucleus and are critical for spatial memory.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Divergent opioid-mediated suppression of inhibition between hippocampus and neocortex across species and development.Neuron · 2025Article
- Divergent opioid-mediated suppression of inhibition between hippocampus and neocortex across species and development.bioRxiv : the preprint server for biology · 2025Article
- NMDA receptor antagonist induced c-Fos expression in the medial entorhinal cortex during postnatal development.Frontiers in neural circuits · 2025Article
- Shared Mechanisms of GABAergic and Opioidergic Transmission Regulate Corticolimbic Reward Systems and Cognitive Aspects of Motivational Behaviors.Brain sciences · 2023Review
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
The medial entorhinal cortex (mEC) plays a critical role for spatial navigation and memory. While many studies have investigated the principal neurons within the entorhinal cortex, much less is known about the inhibitory circuitries within this structure. Here, we describe for the first time in the mEC a subset of parvalbumin-positive (PV+) interneurons (INs)-stuttering cells (STUT)-with morphological, intrinsic electrophysiological, and synaptic properties distinct from fast-spiking PV+ INs. In contrast to the fast-spiking PV+ INs, the axon of the STUT INs also terminated in layer 3 and showed subthreshold membrane oscillations at gamma frequencies. Whereas the synaptic output of the STUT INs was only weakly reduced by a μ-opioid agonist, their inhibitory inputs were strongly suppressed. Given these properties, STUT are ideally suited to entrain gamma activity in the pyramidal cell population of the mEC. We propose that activation of the μ-opioid receptors decreases the GABA release from the PV+ INs onto the STUT, resulting in disinhibition of the STUT cell population and the consequent increase in network gamma power. We therefore suggest that the opioid system plays a critical role, mediated by STUT INs, in the neural signaling and oscillatory network activity within the mEC.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.