Abstract
The translocator protein (TSPO) is a potential drug target for the treatment of CNS diseases, with TSPO ligands being able to modulate steroidogenesis, apoptosis, and cell proliferation. While there exist multiple TSPO binding sites, the nature of these sites – either overlapping or allosterically linked – remains largely uncharacterized. Furthermore, while evidence suggests that microglial activation and polymerization result in changes to TSPO binding sites, these changes are poorly understood. While current pharmacophoric models can be used to synthesize TSPO ligands with high affinity and selectivity, these models are unable to predict ligands with desirable functional effects. Better characterization of TSPO binding sites in health and disease may provide insight into particular sites which mediate promising therapeutic profiles, thus refining the TSPO pharmacophore.
Keywords: Apoptosis, multiple binding sites, neuroprotection, radioligand binding, steroidogenesis, translocator protein (TSPO)
Current Molecular Medicine
Title:Is there Any Correlation Between Binding and Functional Effects at the Translocator Protein (TSPO) (18 kDa)?
Volume: 12 Issue: 4
Author(s): A. M. Scarf, K. M. Auman and M. Kassiou
Affiliation:
Keywords: Apoptosis, multiple binding sites, neuroprotection, radioligand binding, steroidogenesis, translocator protein (TSPO)
Abstract: The translocator protein (TSPO) is a potential drug target for the treatment of CNS diseases, with TSPO ligands being able to modulate steroidogenesis, apoptosis, and cell proliferation. While there exist multiple TSPO binding sites, the nature of these sites – either overlapping or allosterically linked – remains largely uncharacterized. Furthermore, while evidence suggests that microglial activation and polymerization result in changes to TSPO binding sites, these changes are poorly understood. While current pharmacophoric models can be used to synthesize TSPO ligands with high affinity and selectivity, these models are unable to predict ligands with desirable functional effects. Better characterization of TSPO binding sites in health and disease may provide insight into particular sites which mediate promising therapeutic profiles, thus refining the TSPO pharmacophore.
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Cite this article as:
M. Scarf A., M. Auman K. and Kassiou M., Is there Any Correlation Between Binding and Functional Effects at the Translocator Protein (TSPO) (18 kDa)?, Current Molecular Medicine 2012; 12 (4) . https://dx.doi.org/10.2174/1566524011207040387
DOI https://dx.doi.org/10.2174/1566524011207040387 |
Print ISSN 1566-5240 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5666 |
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