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Título: | Optical control of endogenous receptors and cellular excitability using targeted covalent photoswitches |
Autor: | Izquierdo-Serra, Mercè; Trapero, Ana CSIC ORCID; Llebaria, Amadeu CSIC ORCID; Gorost́iza, Pau | Palabras clave: | Azobenzene Photoisomerization Azobenzene derivatives |
Fecha de publicación: | 20-jul-2016 | Editor: | Springer Nature | Citación: | Nature Communications 7: 12221 (2016) | Resumen: | Light-regulated drugs allow remotely photoswitching biological activity and enable plausible therapies based on small molecules. However, only freely diffusible photochromic ligands have been shown to work directly in endogenous receptors and methods for covalent attachment depend on genetic manipulation. Here we introduce a chemical strategy to covalently conjugate and photoswitch the activity of endogenous proteins and demonstrate its application to the kainate receptor channel GluK1. The approach is based on photoswitchable ligands containing a short-lived, highly reactive anchoring group that is targeted at the protein of interest by ligand affinity. These targeted covalent photoswitches (TCPs) constitute a new class of light-regulated drugs and act as prosthetic molecules that photocontrol the activity of GluK1-expressing neurons, and restore photoresponses in degenerated retina. The modularity of TCPs enables the application to different ligands and opens the way to new therapeutic opportunities. | Versión del editor: | https://doi.org/10.1038/ncomms12221 | URI: | http://hdl.handle.net/10261/177712 | DOI: | 10.1038/ncomms12221 |
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Optical control of endogenous receptors and cellular excitability using targeted covalent photoswitches.pdf | 2,12 MB | Adobe PDF | Visualizar/Abrir |
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