Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/107176
Title: Less Exploited GPCRs in Precision Medicine: Targets for Molecular Imaging and Theranostics
Authors: Machado, João Franco
Silva, Rúben D.
Melo, Rita 
Correia, João D. G.
Keywords: frizzled receptor (FZD); ghrelin receptor (GHSR-1a); G protein-coupled estrogen receptor (GPER); molecular imaging; Sphingosine-1-phosphate receptor (S1PR); theranostics
Issue Date: 23-Dec-2018
Publisher: MDPI
Project: UID/Multi/04349/2013 
PTDC/QUI-OUT/32243/2017 
PTDC/QUI-NUC/30147/2017 
SFRH/BPD/97650/2013 
SFRH/BD/135915/2018 
Serial title, monograph or event: Molecules
Volume: 24
Issue: 1
Abstract: Precision medicine relies on individually tailored therapeutic intervention taking into account individual variability. It is strongly dependent on the availability of target-specific drugs and/or imaging agents that recognize molecular targets and patient-specific disease mechanisms. The most sensitive molecular imaging modalities, Single Photon Emission Computed Tomography (SPECT) and Positron Emission Tomography (PET), rely on the interaction between an imaging radioprobe and a target. Moreover, the use of target-specific molecular tools for both diagnostics and therapy, theranostic agents, represent an established methodology in nuclear medicine that is assuming an increasingly important role in precision medicine. The design of innovative imaging and/or theranostic agents is key for further accomplishments in the field. G-protein-coupled receptors (GPCRs), apart from being highly relevant drug targets, have also been largely exploited as molecular targets for non-invasive imaging and/or systemic radiotherapy of various diseases. Herein, we will discuss recent efforts towards the development of innovative imaging and/or theranostic agents targeting selected emergent GPCRs, namely the Frizzled receptor (FZD), Ghrelin receptor (GHSR-1a), G protein-coupled estrogen receptor (GPER), and Sphingosine-1-phosphate receptor (S1PR). The pharmacological and clinical relevance will be highlighted, giving particular attention to the studies on the synthesis and characterization of targeted molecular imaging agents, biological evaluation, and potential clinical applications in oncology and non-oncology diseases. Whenever relevant, supporting computational studies will be also discussed.
URI: https://hdl.handle.net/10316/107176
ISSN: 1420-3049
DOI: 10.3390/molecules24010049
Rights: openAccess
Appears in Collections:I&D CNC - Artigos em Revistas Internacionais

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