Molecular mechanism of GPCR spatial organization at the plasma membrane

G-protein-coupled receptors (GPCRs) mediate many critical physiological processes. Their spatial organization in plasma membrane (PM) domains is believed to encode signaling specificity and efficiency. However, the existence of domains and, crucially, the mechanism of formation of such putative doma...

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Veröffentlicht in:Nature chemical biology 2024-02, Vol.20 (2), p.142-150
Hauptverfasser: Kockelkoren, Gabriele, Lauritsen, Line, Shuttle, Christopher G., Kazepidou, Eleftheria, Vonkova, Ivana, Zhang, Yunxiao, Breuer, Artù, Kennard, Celeste, Brunetti, Rachel M., D’Este, Elisa, Weiner, Orion D., Uline, Mark, Stamou, Dimitrios
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Sprache:eng
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Zusammenfassung:G-protein-coupled receptors (GPCRs) mediate many critical physiological processes. Their spatial organization in plasma membrane (PM) domains is believed to encode signaling specificity and efficiency. However, the existence of domains and, crucially, the mechanism of formation of such putative domains remain elusive. Here, live-cell imaging (corrected for topography-induced imaging artifacts) conclusively established the existence of PM domains for GPCRs. Paradoxically, energetic coupling to extremely shallow PM curvature (
ISSN:1552-4450
1552-4469
1552-4469
DOI:10.1038/s41589-023-01385-4