ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2007
Functional characterization of intrinsic cholinergic interneurons in the cortex.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 103 papers.
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103 citing papers in PubMed, 185 citations in OpenAlex.
- Mesoscopic analysis of GABAergic marker expression in acetylcholine neurons in the whole mouse brain.iScience · 2026Article
- Mesoscopic analysis of GABAergic marker expression in acetylcholine neurons in the whole mouse brain.bioRxiv : the preprint server for biology · 2025Article
- Cortical acetylcholine dynamics are predicted by cholinergic axon activity and behavior state.Cell reports · 2024Article
- Functional neuroanatomy of basal forebrain projections to the basolateral amygdala: Transmitters, receptors, and neuronal subpopulations.Journal of neuroscience research · 2024Review
- Intersectional strategy to study cortical inhibitory parvalbumin-expressing interneurons.Scientific reports · 2024Article
- From Synaptic Physiology to Synaptic Pathology: The Enigma of α-Synuclein.International journal of molecular sciences · 2024Review
- Distinct cholinergic circuits underlie discrete effects of reward on attention.Frontiers in molecular neuroscience · 2024Review
- The short-term plasticity of VIP interneurons in motor cortex.Frontiers in synaptic neuroscience · 2024Article
- Acute alcohol and chronic drinking bidirectionally regulate the excitability of prefrontal cortex vasoactive intestinal peptide interneurons.Neuropharmacology · 2023Article
- Acute alcohol and chronic drinking bidirectionally regulate the excitability of prefrontal cortex vasoactive intestinal peptide interneurons.bioRxiv : the preprint server for biology · 2023Article
- Evaluation of eGFP expression in the ChAT-eGFP transgenic mouse brain.BMC neuroscience · 2023Article
- High-throughput morphometric and transcriptomic profiling uncovers composition of naïve and sensory-deprived cortical cholinergic VIP/CHAT neurons.The EMBO journal · 2023Article
- Friend or Foe? Defining the Role of Glutamate in Aging and Alzheimer's Disease.Frontiers in aging · 2022Review
- VIP-Expressing GABAergic Neurons: Disinhibitory vs. Inhibitory Motif and Its Role in Communication Across Neocortical Areas.Frontiers in cellular neuroscience · 2022Review
- Cholinergic regulation of object recognition memory.Frontiers in behavioral neuroscience · 2022Review
- The Cholinergic Brain in Parkinson's Disease.Movement disorders clinical practice · 2021Review
- Article
- A Suite of Neurophotonic Tools to Underpin the Contribution of Internal Brain States in fMRI.Current opinion in biomedical engineering · 2021Article
- Cholinergic Signaling, Neural Excitability, and Epilepsy.Molecules (Basel, Switzerland) · 2021Review
- Cholinergic manipulations affect sensory responses but not attentional enhancement in macaque MT.BMC biology · 2021Article
43 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Acetylcholine is a major neurotransmitter that modulates cortical functions. In addition to basal forebrain neurons that give rise to the principal cholinergic input into the cortex, a second source constituted by intrinsic cholinergic interneurons has been identified. Although these cells have been characterized anatomically, little is known about their functional role in cortical microcircuits. The paucity of this cell population has been a major hindrance for detailed electrophysiological investigations. To facilitate functional studies, we generated transgenic mice that express enhanced green fluorescent protein (EGFP) in choline acetyltransferase (ChAT)-positive neurons. Aided by the transgene expression, the characterization of distinct cholinergic interneurons was possible. These cells were located in layer 2-3, had a bipolar morphology, were calretinin- and vasoactive intestinal peptide positive, but had a non-GABAergic phenotype. Paired recordings showed that EGFP/ChAT-positive neurons receive excitatory and inhibitory input from adjacent principal cells and various types of interneurons. However, EGFP/ChAT-positive neurons do not exert direct postsynaptic responses in neighboring neurons. Interestingly, prolonged activation of EGFP-labeled cholinergic neurons induces an increase in spontaneous EPSCs in adjacent pyramidal neurons. This indirect effect is mediated by nicotinic receptors that are presumably presynaptically localized. Thus, intrinsic bipolar cholinergic neurons can modulate cortical function locally.
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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.