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Photoswitchable Inhibitor of the Calcium Channel TRPV6.


ABSTRACT: Herein we report the first photoswitchable inhibitor of Transient Receptor Potential Vanilloid 6 (TRPV6), a selective calcium channel involved in a number of diseases and in cancer progression. By surveying analogs of a previously reported TRPV6 inhibitor appended with a phenyl-diazo group, we identified a compound switching between a weak TRPV6 inhibitor in its dark, E-diazo stereoisomer (Z/E = 3:97, IC50 ? 10 ?M) and a potent inhibitor as the Z-diazo stereoisomer accessible reversibly by UV irradiation at ? = 365 nm (Z/E = 3:1, IC50 = 1.7 ± 0.4 ?M), thereby allowing precise spatiotemporal control of inhibition. This new tool compound should be useful to deepen our understanding of TRPV6.

SUBMITTER: Cunha MR 

PROVIDER: S-EPMC6746075 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Photoswitchable Inhibitor of the Calcium Channel TRPV6.

Cunha Micael R MR   Bhardwaj Rajesh R   Lindinger Sonja S   Butorac Carmen C   Romanin Christoph C   Hediger Matthias A MA   Reymond Jean-Louis JL  

ACS medicinal chemistry letters 20190802 9


Herein we report the first photoswitchable inhibitor of Transient Receptor Potential Vanilloid 6 (TRPV6), a selective calcium channel involved in a number of diseases and in cancer progression. By surveying analogs of a previously reported TRPV6 inhibitor appended with a phenyl-diazo group, we identified a compound switching between a weak TRPV6 inhibitor in its dark, <i>E</i>-diazo stereoisomer (<i>Z/E</i> = 3:97, IC<sub>50</sub> ≫ 10 μM) and a potent inhibitor as the <i>Z</i>-diazo stereoisome  ...[more]

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