Abstract
G-protein-coupled receptors (GPCRs) are a widespread family of transmembrane receptors with different physiologically relevant functions. Alterations in the structure and function of these receptors at different levels (ligand binding, signaling and trafficking) may result in a number of pathological conditions which represent a major health problem. Mutations in these receptors are also linked to different inherited diseases for which there is no cure to date. Rationale design, based on receptor structural knowledge, is needed for the discovery of novel drugs with higher selectivity and less side effects. In fact, about 50% of the drugs currently under development target this kind of receptors. Oligomerization among GPCRs has been clearly established from experimental, particularly in vitro, studies. Moreover, homo and heterodimerization provide new unexpected clues for explaining the molecular mechanisms underlying some diseases in which GPCRs signaling might be affected. In this review we will analyze GPCRs structure and function for a better understanding of the dimerization process and the experimental approaches currently used to detect such interactions. Furthermore, how drugs targeting heteromers can represent new opportunities to tackle novel and safer treatments of some pathologies will be described. Recent results, in this regard, will be reported as encouraging examples in the field. Finally, the newest technologies available for developing drugs targeting heteromers will also be reviewed highlighting the importance of bivalent ligands that emerge as very powerful molecules interacting with heteromers.
Keywords: Dimers, disease, drug design, G-protein-coupled receptors, ligand, oligomerization.
Current Protein & Peptide Science
Title:G-Protein-Coupled Receptors Oligomerization: Emerging Signaling Units and New Opportunities for Drug Design
Volume: 15 Issue: 7
Author(s): Merce Tena-Campos, Eva Ramon, Diana Rivera, Dasiel O. Borroto-Escuela, Wilber Romero-Fernandez, Kjell Fuxe and Pere Garriga
Affiliation:
Keywords: Dimers, disease, drug design, G-protein-coupled receptors, ligand, oligomerization.
Abstract: G-protein-coupled receptors (GPCRs) are a widespread family of transmembrane receptors with different physiologically relevant functions. Alterations in the structure and function of these receptors at different levels (ligand binding, signaling and trafficking) may result in a number of pathological conditions which represent a major health problem. Mutations in these receptors are also linked to different inherited diseases for which there is no cure to date. Rationale design, based on receptor structural knowledge, is needed for the discovery of novel drugs with higher selectivity and less side effects. In fact, about 50% of the drugs currently under development target this kind of receptors. Oligomerization among GPCRs has been clearly established from experimental, particularly in vitro, studies. Moreover, homo and heterodimerization provide new unexpected clues for explaining the molecular mechanisms underlying some diseases in which GPCRs signaling might be affected. In this review we will analyze GPCRs structure and function for a better understanding of the dimerization process and the experimental approaches currently used to detect such interactions. Furthermore, how drugs targeting heteromers can represent new opportunities to tackle novel and safer treatments of some pathologies will be described. Recent results, in this regard, will be reported as encouraging examples in the field. Finally, the newest technologies available for developing drugs targeting heteromers will also be reviewed highlighting the importance of bivalent ligands that emerge as very powerful molecules interacting with heteromers.
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Cite this article as:
Tena-Campos Merce, Ramon Eva, Rivera Diana, Borroto-Escuela O. Dasiel, Romero-Fernandez Wilber, Fuxe Kjell and Garriga Pere, G-Protein-Coupled Receptors Oligomerization: Emerging Signaling Units and New Opportunities for Drug Design, Current Protein & Peptide Science 2014; 15 (7) . https://dx.doi.org/10.2174/1389203715666140901094248
DOI https://dx.doi.org/10.2174/1389203715666140901094248 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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