ArticleMolecular pharmacology2016
Bitopic Sphingosine 1-Phosphate Receptor 3 (S1P3) Antagonist Rescue from Complete Heart Block: Pharmacological and Genetic Evidence for Direct S1P3 Regulation of Mouse Cardiac Conduction.
Article in Molecular pharmacology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 54 citations in OpenAlex.
- Efficacy and safety of ozanimod in multiple sclerosis: Dose-blinded extension of a randomized phase II study.Multiple sclerosis (Houndmills, Basingstoke, England) · 2019Trial
- Cardiac Safety of Ozanimod, a Novel Sphingosine-1-Phosphate Receptor Modulator: Results of a Thorough QT/QTc Study.Clinical pharmacology in drug development · 2018Trial
- Glycerophospholipid and Sphingosine- 1-phosphate Metabolism in Cardiovascular Disease: Mechanisms and Therapeutic Potential.Journal of cardiovascular translational research · 2025Review
- Interstitial fluid transport dynamics predict glioblastoma invasion and progression.npj biomedical innovations · 2025Article
- Cardiac conduction diseases: understanding the molecular mechanisms to uncover targets for future treatments.Expert opinion on therapeutic targets · 2024Review
- Sphingosine-1-phosphate Signalling in Aneurysmal Subarachnoid Haemorrhage: Basic Science to Clinical Translation.Translational stroke research · 2024Review
- The Benefits and Risks of Switching from Fingolimod to Siponimod for the Treatment of Relapsing-Remitting and Secondary Progressive Multiple Sclerosis.Drugs in R&D · 2023Review
- Efficacy and Safety of S1P1 Receptor Modulator Drugs for Patients with Moderate-to-Severe Ulcerative Colitis.Journal of clinical medicine · 2023Review
- Cholecystokinin-A signaling regulates automaticity of pacemaker cardiomyocytes.Frontiers in physiology · 2023Article
- Disease Reactivation in Secondary Progressive Multiple Sclerosis Patients Switching from Fingolimod to Siponimod: A Case Series.Journal of clinical medicine · 2022Article
- Review
- Sphingolipid metabolism and signaling in cardiovascular diseases.Frontiers in cardiovascular medicine · 2022Review
- A Literature Review of Ozanimod Therapy in Inflammatory Bowel Disease: From Concept to Practical Application.Therapeutics and clinical risk management · 2022Review
- Molecular Pharmacology and Novel Potential Therapeutic Applications of Fingolimod.Frontiers in pharmacology · 2022Review
- Modulation of the Blood-Brain Barrier for Drug Delivery to Brain.Pharmaceutics · 2021Review
- Review
- Computational insights into the molecular mechanisms of differentiated allosteric modulation at the mu opioid receptor by structurally similar bitopic modulators.Journal of computer-aided molecular design · 2020Article
- 2016 Philip S. Portoghese Medicinal Chemistry Lectureship: Designing Bivalent or Bitopic Molecules for G-Protein Coupled Receptors. The Whole Is Greater Than the Sum of Its Parts.Journal of medicinal chemistry · 2020Article
- Enhanced expression of the sphingosine-1-phosphate-receptor-3 causes acute myelogenous leukemia in mice.Leukemia · 2020Article
- Sphingolipids in the Heart: From Cradle to Grave.Frontiers in endocrinology · 2020Review
Corrections and comments
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Authors and funding
15 authors at 3 institutions in 2 countries.
Funding
Abstract
The molecular pharmacology of the G protein-coupled receptors for sphingosine 1-phosphate (S1P) provides important insight into established and new therapeutic targets. A new, potent bitopic S1P3 antagonist, SPM-354, with in vivo activity, has been used, together with S1P3-knockin and S1P3-knockout mice to define the spatial and functional properties of S1P3 in regulating cardiac conduction. We show that S1P3 is a key direct regulator of cardiac rhythm both in vivo and in isolated perfused hearts. 2-Amino-2-[2-(4-octylphenyl)ethyl]propane-1,3-diol in vivo and S1P in isolated hearts induced a spectrum of cardiac effects, ranging from sinus bradycardia to complete heart block, as measured by a surface electrocardiogram in anesthetized mice and in volume-conducted Langendorff preparations. The agonist effects on complete heart block are absent in S1P3-knockout mice and are reversed in wild-type mice with SPM-354, as characterized and described here. Homologous knockin of S1P3-mCherry is fully functional pharmacologically and is strongly expressed by immunohistochemistry confocal microscopy in Hyperpolarization Activated Cyclic Nucleotide Gated Potassium Channel 4 (HCN4)-positive atrioventricular node and His-Purkinje fibers, with relative less expression in the HCN4-positive sinoatrial node. In Langendorff studies, at constant pressure, SPM-354 restored sinus rhythm in S1P-induced complete heart block and fully reversed S1P-mediated bradycardia. S1P3 distribution and function in the mouse ventricular cardiac conduction system suggest a direct mechanism for heart block risk that should be further studied in humans. A richer understanding of receptor and ligand usage in the pacemaker cells of the cardiac system is likely to be useful in understanding ventricular conduction in health, disease, and pharmacology.
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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.