ArticleCommunications biology2022
Panx1 channels promote both anti- and pro-seizure-like activities in the zebrafish via p2rx7 receptors and ATP signaling.
Article in Communications biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 15 citations in OpenAlex.
- Zebrafish models of developmental epileptic encephalopathy accurately reflect clinical electrographic biomarkers.Epilepsia · 2026Article
- Beyond Impaired GABAergic Signaling: Inflammation and Metabolic Dysfunction in Genetic Epilepsy Induced by GABRG2 Mutation.Molecular neurobiology · 2025Article
- Dual role for pannexin 1 at synapses: regulating functional and morphological plasticity.The Journal of physiology · 2025Review
- Research progress of connexins in epileptogensis.Acta epileptologica · 2025Review
- VICR: A Novel Software for Unbiased Video and Image Analysis in Scientific Research.bioRxiv : the preprint server for biology · 2024Article
- Article
- Testing of putative antiseizure medications in a preclinical Dravet syndrome zebrafish model.Brain communications · 2024Article
- Testing of putative antiseizure drugs in a preclinical Dravet syndrome zebrafish model.bioRxiv : the preprint server for biology · 2023Article
- Animal Models for the Investigation of P2X7 Receptors.International journal of molecular sciences · 2023Review
- Gap junction Delta-2b (Frontiers in cell and developmental biology · 2023Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The molecular mechanisms of excitation/inhibition imbalances promoting seizure generation in epilepsy patients are not fully understood. Evidence suggests that Pannexin1 (Panx1), an ATP release channel, modulates the excitability of the brain. In this report, we performed electrophysiological, behavioral, and molecular phenotyping experiments on zebrafish larvae bearing genetic or pharmacological knockouts of Panx1a and Panx1b channels, each homologous to human PANX1. When Panx1a function is lost, or both channels are under pharmacological blockade, seizures with ictal-like events and seizure-like locomotion are reduced in the presence of pentylenetetrazol. Transcriptome profiling by RNA-seq demonstrates a spectrum of distinct metabolic and cell signaling states which correlate with the loss of Panx1a. Furthermore, the pro- and anticonvulsant activities of both Panx1 channels affect ATP release and involve the purinergic receptor P2rx7. Our findings suggest a subfunctionalization of Panx1 enabling dual roles in seizures, providing a unique and comprehensive perspective to understanding seizure mechanisms in the context of this channel.
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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.