Cited by 45Sphingolipid Metabolism and SignalingProtein Kinase Regulation and GTPase SignalingLipid metabolism and biosynthesis

The DOI matches its Crossref record; 70 of the 70 references it cites were found in a registry or an index.

Autotaxin facilitates selective LPA receptor signaling

Open access

Published version of a preprint

Abstract

Autotaxin (ATX; ENPP2) produces the lipid mediator lysophosphatidic acid (LPA) that signals through disparate EDG (LPA 1-3 ) and P2Y (LPA 4-6 ) G protein-coupled receptors. ATX/LPA promote several (patho)physiological processes, including in pulmonary fibrosis, thus serving as attractive drug targets. However, it remains unclear if clinical outcome depends on how different ATX inhibitors modulate the ATX/LPA signaling axis. Here, we show that inhibitors binding to the ATX “tunnel” specifically abrogate key aspects of ATX/LPA signaling. We find that the tunnel is essential for signaling efficacy and dictates cellular responses independent of ATX catalytic activity, with a preference for activation of P2Y LPA receptors. These responses are abrogated by tunnel-binding inhibitors, such as ziritaxestat, but not by inhibitors that exclusively target the active site, as shown in primary lung fibroblasts and a murine model of radiation-induced pulmonary fibrosis. Our results uncover a receptor-selective signaling mechanism for ATX, implying clinical benefit for tunnel-targeting ATX inhibitors.

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Crossref · 10.1016/j.chembiol.2022.12.006

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Metadata

Authors
Salgado-Polo, F., Borza, R., Matsoukas, M.-T., Marsais, F., Jagerschmidt, C., Waeckel, L., Moolenaar, W. H., Ford, P., Heckmann, B., & Perrakis, A.
Affiliations
  • The Netherlands Cancer Institute (NL)
  • University of West Attica (GR)
  • Galapagos (France) (FR)
  • Galapagos (Belgium) (BE)
Venue
Cell Chemical Biology
Publisher
Elsevier BV
Published
2023-01
Volume
30
Issue
1
Pages
69-84.e14
ISSN
  • 2451-9448 (ISSN-L)
  • 2451-9456
OpenAlex
W4316036667
Cited by
45
References
70
Citations by year
2026: 10 · 2025: 13 · 2024: 13 · 2023: 7
FWCI
3.83
Type
journal article
Language
en
Open access
Locations
  • Cell chemical biology (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • SSRN Electronic Journal (acceptedVersion)
  • PubMed (publishedVersion)
  • DORA PSI (Paul Scherrer Institute) (submittedVersion, cc-by)
Funders
  • Engineering and Physical Sciences Research Council
  • Swansea University
  • Merck KGaA
  • Universiteit Utrecht
  • Ministerie van Volksgezondheid, Welzijn en Sport
  • KWF Kankerbestrijding
  • Galápagos
  • Oncode Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sphingolipid Metabolism and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
autotaxin, lysophosphatidic acid, LPA receptors, P2Y receptors, G protein-coupled receptor signaling, pulmonary fibrosis, radiation-induced pulmonary fibrosis, lung fibroblasts, receptor selectivity
MeSH terms
Animals, Fibroblasts, Lysophospholipids, Pulmonary Fibrosis, Signal Transduction, Receptors, Lysophosphatidic Acid, Mice

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