| GO term: | sphingosine-1-phosphate signaling pathway |
| Synonym: | S1P-activated GPCR signaling pathway |
| Synonym: | S1P-activated G-protein coupled receptor signaling pathway |
| Synonym: | S1P receptor signaling pathway |
| Synonym: | S1P signaling pathway |
| Synonym: | S1P-stimulated signal transduction pathway |
| Synonym: | sphingolipid signaling pathway |
| Synonym: | sphingolipid signalling pathway |
| GO id: | GO:0003376 |
| Definition: | A series of molecular signals initiated by the sphingolipid sphingosine-1-phosphate (S1P) binding to a receptor on the surface of the cell, and which proceeds with the activated receptor transmitting the signal by promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The pathway ends with regulation of a downstream cellular process, e.g. transcription. |
| Comments | Sphingosine-1-phosphate (S1P) can act both as an extracellular ligand for cell surface G-protein coupled receptors, and as an intracellular second messenger. GO:0003376 describes a pathway where S1P acts as an extracellular ligand. Where S1P acts within the cell to transmit a signal, consider instead 'intracellular signal transduction ; GO:0035556' or 'G-protein signaling, coupled to S1P second messenger (sphingosine kinase activating) ; GO:0001789'. |
| Number of paths to term: | 20 |
denotes an 'is-a' relationship
denotes a 'part-of' relationship
denotes a 'regulates' relationship
denotes a 'positively-regulates' relationship
denotes a 'negatively-regulates' relationship
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Tumor Biology (MTB), Gene Ontology (GO), MouseCyc |
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last database update 05/08/2013 MGI 5.13 |
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