ArticleeLife2025
ATP-release pannexin channels are gated by lysophospholipids.
Article in eLife, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed.
- Functional lipid analysis via index-based lipidomics profile: a new computational module in LipidOne.Bioinformatics (Oxford, England) · 2026Article
- ATP increases murine neuroblastoma cell size through a PANX1- and macropinocytosis-dependent mechanism.Biology open · 2025Article
- Structural basis of PANX1 permeation and positive modulation by mefloquine.Nature communications · 2025Article
- The C-terminal activating domain promotes pannexin 1 channel opening.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The C-terminal activating domain promotes Panx1 channel opening.bioRxiv : the preprint server for biology · 2024Article
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12 authors.
Funding
Abstract
In addition to its role as cellular energy currency, adenosine triphosphate (ATP) serves as an extracellular messenger that mediates diverse cell-to-cell communication. Compelling evidence supports that ATP is released from cells through pannexins, a family of membrane proteins that form heptameric large-pore channels. However, the activation mechanisms that trigger ATP release by pannexins remain poorly understood. Here, we discover lysophospholipids as endogenous pannexin activators, using activity-guided fractionation of mouse tissue extracts combined with untargeted metabolomics and electrophysiology. We show that lysophospholipids directly and reversibly activate pannexins in the absence of other proteins. Secretomics experiments reveal that lysophospholipid-activated pannexin 1 leads to the release of not only ATP but also other signaling metabolites, such as 5'-methylthioadenosine, which is important for immunomodulation. We also demonstrate that lysophospholipids activate endogenous pannexin 1 in human monocytes, leading to the release of IL-1β through inflammasome activation. Our results provide a connection between lipid metabolism and purinergic signaling, both of which play major roles in immune responses.
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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 Socratic graph.