ArticleFASEB journal : official publication of the Federation of American Societies for Experimental Biology2012
Nicotinic acetylcholine receptors in dorsal root ganglion neurons include the α6β4* subtype.
Article in FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.
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Who cites it
48 citing papers in PubMed, 73 citations in OpenAlex.
- Gut sensory neurons as regulators of neuro-immune-microbial interactions: from molecular mechanisms to precision therapy for IBD/IBS.Journal of neuroinflammation · 2025Review
- Molecular insights into the α6β4 nicotinic acetylcholine receptor function and ligand recognition.Nature communications · 2025Article
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- Molecular Determinants of Species Specificity of α-Conotoxin TxIB towards Rat and Human α6/α3β4 Nicotinic Acetylcholine Receptors.International journal of molecular sciences · 2023Article
- Loop2 Size Modification Reveals Significant Impacts on the Potency of α-Conotoxin TxID.Marine drugs · 2023Article
- Nicotinic acetylcholine receptors: Therapeutic targets for novel ligands to treat pain and inflammation.Pharmacological research · 2023Review
- The Role of TRP Channels in Nicotinic Provoked Pain and Irritation from the Oral Cavity and Throat: Translating Animal Data to Humans.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2022Review
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- A Novel α4/7-Conotoxin QuIA Selectively Inhibits α3β2 and α6/α3β4 Nicotinic Acetylcholine Receptor Subtypes with High Efficacy.Marine drugs · 2022Article
- Sensory Effects of Nicotine and Tobacco.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2022Review
- Alkaloid ligands enable function of homomeric human α10 nicotinic acetylcholine receptors.Frontiers in pharmacology · 2022Article
- Nicotinic Acetylcholine Receptor Partial Antagonist Polyamides from Tunicates and Their Predatory Sea Slugs.ACS chemical neuroscience · 2021Article
- α-Conotoxins and α-Cobratoxin Promote, while Lipoxygenase and Cyclooxygenase Inhibitors Suppress the Proliferation of Glioma C6 Cells.Marine drugs · 2021Article
- Computational and Functional Mapping of Human and Rat α6β4 Nicotinic Acetylcholine Receptors Reveals Species-Specific Ligand-Binding Motifs.Journal of medicinal chemistry · 2021Article
- Nicotinic receptor modulation of primary afferent excitability with selective regulation of Aδ-mediated spinal actions.Journal of neurophysiology · 2021Article
- Nicotinic Acetylcholine Receptor Involvement in Inflammatory Bowel Disease and Interactions with Gut Microbiota.International journal of environmental research and public health · 2021Review
- Functional α6β4 acetylcholine receptor expression enables pharmacological testing of nicotinic agonists with analgesic properties.The Journal of clinical investigation · 2020Article
- Article
- Expression of α3β2β4 nicotinic acetylcholine receptors by rat adrenal chromaffin cells determined using novel conopeptide antagonists.Journal of neurochemistry · 2020Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
The α6-containing nicotinic acetylcholine receptors (nAChRs) have recently been implicated in diseases of the central nervous system (CNS), including Parkinson's disease and substance abuse. In contrast, little is known about the role of α6* nAChRs in the peripheral nervous system (where the asterisk denotes the possible presence of additional subunits). Dorsal root ganglia (DRG) neurons are known to express nAChRs with a pharmacology consistent with an α7, α3β4*, and α4β2* composition. Here we present evidence that DRG neurons also express α6* nAChRs. We used RT-PCR to show the presence of α6 subunit transcripts and patch-clamp electrophysiology together with subtype-selective α-conotoxins to pharmacologically characterize the nAChRs in rat DRG neurons. α-Conotoxin BuIA (500 nM) blocked acetylcholine-gated currents (I(ACh)) by 90.3 ± 3.0%; the recovery from blockade was very slow, indicating a predominance of α(x)β4* nAChRs. Perfusion with either 300 nM BuIA[T5A;P6O] or 200 nM MII[E11A], α-conotoxins that target the α6β4* subtype, blocked I(ACh) by 49.3 ± 5 and 46.7 ± 8%, respectively. In these neurons, I(ACh) was relatively insensitive to 200 nM ArIB[V11L;V16D] (9.4±2.0% blockade) or 500 nM PnIA (23.0±4% blockade), α-conotoxins that target α7 and α3β2*/α6β2* nAChRs, respectively. We conclude that α6β4* nAChRs are among the subtypes expressed by DRG, and to our knowledge, this is the first demonstration of α6β4* in neurons outside the CNS.
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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.