An allosteric modulator to control endogenous G protein-coupled receptors with light.

Pittolo S, Gómez-Santacana X, Eckelt K, Rovira X, Dalton J, Goudet C, Pin JP, Llobet A, Giraldo J, Llebaria A, Gorostiza P.

2014

Institut for Bioengineering of Catalonia (IBEC), barcelona, Spain. Institut of Functional Genomics (IGF), CNRS, University of Montpellier, France.

Nat Chem Biol. 2014 .

Controlling drug activity with light offers the possibility of enhancing pharmacological selectivity with spatial and temporal regulation, thus enabling highly localized therapeutic effects and precise dosing patterns. Here we report on the development and characterization of what is to our knowledge the first photoswitchable allosteric modulator of a G protein-coupled receptor. Alloswitch-1 is selective for the metabotropic glutamate receptor mGlu5 and enables the optical control of endogenous mGlu5 receptors.

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