ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2012
α6* nicotinic acetylcholine receptor expression and function in a visual salience circuit.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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Who cites it
42 citing papers in PubMed, 63 citations in OpenAlex.
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- Dopamine and Norepinephrine Tissue Levels in the Developing Limbic Brain Are Impacted by the HumanInternational journal of molecular sciences · 2024Article
- Chemical Flavorants in Vaping Products Alter Neurobiology in a Sex-Dependent Manner to Promote Vaping-Related Behaviors.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
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- The Impact of Electronic Nicotine Delivery System (ENDS) Flavors on Nicotinic Acetylcholine Receptors and Nicotine Addiction-Related Behaviors.Molecules (Basel, Switzerland) · 2020Review
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- Why flavored vape products may be attractive: Green apple tobacco flavor elicits reward-related behavior, upregulates nAChRs on VTA dopamine neurons, and alters midbrain dopamine and GABA neuron function.Neuropharmacology · 2019Article
- Gene editing vectors for studying nicotinic acetylcholine receptors in cholinergic transmission.The European journal of neuroscience · 2019Article
- α6 subunit-containing nicotinic receptors mediate low-dose ethanol effects on ventral tegmental area neurons and ethanol reward.Addiction biology · 2018Article
- Nicotinic Cholinergic Receptors in VTA Glutamate Neurons Modulate Excitatory Transmission.Cell reports · 2018Article
- Menthol Enhances Nicotine Reward-Related Behavior by Potentiating Nicotine-Induced Changes in nAChR Function, nAChR Upregulation, and DA Neuron Excitability.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2017Article
- TC299423, a Novel Agonist for Nicotinic Acetylcholine Receptors.Frontiers in pharmacology · 2017Article
- Altered nicotine reward-associated behavior following α4 nAChR subunit deletion in ventral midbrain.PloS one · 2017Article
- Article
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Authors and funding
12 authors at 4 institutions in 1 country.
Funding
Abstract
Nicotinic acetylcholine receptors (nAChRs) containing α6 subunits are expressed in only a few brain areas, including midbrain dopamine (DA) neurons, noradrenergic neurons of the locus ceruleus, and retinal ganglion cells. To better understand the regional and subcellular expression pattern of α6-containing nAChRs, we created and studied transgenic mice expressing a variant α6 subunit with green fluorescent protein (GFP) fused in-frame in the M3-M4 intracellular loop. In α6-GFP transgenic mice, α6-dependent synaptosomal DA release and radioligand binding experiments confirmed correct expression and function in vivo. In addition to strong α6* nAChR expression in glutamatergic retinal axons, which terminate in superficial superior colliculus (sSC), we also found α6 subunit expression in a subset of GABAergic cell bodies in this brain area. In patch-clamp recordings from sSC neurons in brain slices from mice expressing hypersensitive α6* nAChRs, we confirmed functional, postsynaptic α6* nAChR expression. Further, sSC GABAergic neurons expressing α6* nAChRs exhibit a tonic conductance mediated by standing activation of hypersensitive α6* nAChRs by ACh. α6* nAChRs also appear in a subpopulation of SC neurons in output layers. Finally, selective activation of α6* nAChRs in vivo induced sSC neuronal activation as measured with c-Fos expression. Together, these results demonstrate that α6* nAChRs are uniquely situated to mediate cholinergic modulation of glutamate and GABA release in SC. The SC has emerged as a potential key brain area responsible for transmitting short-latency salience signals to thalamus and midbrain DA neurons, and these results suggest that α6* nAChRs may be important for nicotinic cholinergic sensitization of this pathway.
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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.