ArticlePhysiological reports2016
Activity-dependent redistribution of Kv2.1 ion channels on rat spinal motoneurons.
Article in Physiological reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 26 citations in OpenAlex.
- Changes in motor behavior and lumbar motoneuron morphology following repeated chlorpyrifos exposure in rats.PloS one · 2024Article
- Genetic control of neuronal activity enhances axonal growth only on permissive substrates.Molecular medicine (Cambridge, Mass.) · 2022Article
- Location, location, location: the organization and roles of potassium channels in mammalian motoneurons.The Journal of physiology · 2021Article
- Antispasmodic Drug Drofenine as an Inhibitor of Kv2.1 Channel Ameliorates Peripheral Neuropathy in Diabetic Mice.iScience · 2020Article
- Article
- Kv2 channels create endoplasmic reticulum / plasma membrane junctions: a brief history of Kv2 channel subcellular localization.Channels (Austin, Tex.) · 2019Review
- Noncanonical Ion Channel Behaviour in Pain.International journal of molecular sciences · 2019Review
- A molecular rheostat: Kv2.1 currents maintain or suppress repetitive firing in motoneurons.The Journal of physiology · 2019Article
- Modulator-Gated, SUMOylation-Mediated, Activity-Dependent Regulation of Ionic Current Densities Contributes to Short-Term Activity Homeostasis.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019Article
- Kv2 potassium channels form endoplasmic reticulum/plasma membrane junctions via interaction with VAPA and VAPB.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Activity-dependent redistribution of Kv2.1 ion channels on rat spinal motoneurons.Physiological reports · 2016Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Homeostatic plasticity occurs through diverse cellular and synaptic mechanisms, and extensive investigations over the preceding decade have established Kv2.1 ion channels as key homeostatic regulatory elements in several central neuronal systems. As in these cellular systems, Kv2.1 channels in spinal motoneurons (MNs) localize within large somatic membrane clusters. However, their role in regulating motoneuron activity is not fully established in vivo. We have previously demonstrated marked Kv2.1 channel redistribution in MNs following in vitro glutamate application and in vivo peripheral nerve injury (Romer et al., 2014, Brain Research, 1547:1-15). Here, we extend these findings through the novel use of a fully intact, in vivo rat preparation to show that Kv2.1 ion channels in lumbar MNs rapidly and reversibly redistribute throughout the somatic membrane following 10 min of electrophysiological sensory and/or motor nerve stimulation. These data establish that Kv2.1 channels are remarkably responsive in vivo to electrically evoked and synaptically driven action potentials in MNs, and strongly implicate motoneuron Kv2.1 channels in the rapid homeostatic response to altered neuronal activity.
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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.