G-protein coupled receptor oligomerization in neuroendocrine pathways

K.M. Kroeger, Kevin Pfleger, Karin Eidne

Research output: Contribution to journalArticlepeer-review

85 Citations (Scopus)


Protein–protein interactions are fundamental processes for many biological systems including those involving the superfamily of G-protein coupled receptors (GPCRs). A growing body of biochemical and functional evidence supports the existence of GPCR–GPCR homo- and hetero-oligomers. In particular, hetero-oligomers can display pharmacological and functional properties distinct from those of the homodimer or oligomer thus adding another level of complexity to how GPCRs are activated, signal and traffick in the cell. Dimerization may also play a role in influencing the activity of agonists and antagonists. We are only beginning to unravel how and why such complexes are formed, the functional implications of which will have an enormous impact on GPCR biology. Future research that studies GPCRs as dimeric or oligomeric complexes will enhance not only our understanding of GPCRs in cellular function but will also be critical for novel drug design and improved treatment of the vast array of GPCR-related conditions.
Original languageEnglish
Pages (from-to)254-278
JournalFrontiers in Neuroendocrinology
Issue number4
Publication statusPublished - 2003


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