Compartmentalization of GPCR signalling controls unique cellular responses

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With >800 members, G protein-coupled receptors (GPCRs) are the largest class of cell-surface signalling proteins, and their activation mediates diverse physiological processes. GPCRs are ubiquitously distributed across all cell types, involved in many diseases and are major drug targets. However, GPCR drug discovery is still characterized by very high attrition rates. New avenues for GPCR drug discovery may be provided by a recent shift away from the traditional view of signal transduction as a simple chain of events initiated from the plasma membrane. It is now apparent that GPCR signalling is restricted to highly organized compartments within the cell, and that GPCRs activate distinct signalling pathways once internalized. A high-resolution understanding of how compartmentalized signalling is controlled will probably provide unique opportunities to selectively and therapeutically target GPCRs.

Original languageEnglish
Pages (from-to)562-567
Number of pages6
JournalBiochemical Society Transactions
Issue number2
Publication statusPublished - 15 Apr 2016


  • cAMP
  • Compartmentalization
  • G protein
  • G protein-coupled receptor (GPCR)
  • Protein complex
  • Signalosome

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