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.2021:269:101-115.
doi: 10.1007/164_2021_534.

Employing Genetically Encoded, Biophysical Sensors to Understand WNT/Frizzled Interaction and Receptor Complex Activation

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Employing Genetically Encoded, Biophysical Sensors to Understand WNT/Frizzled Interaction and Receptor Complex Activation

Pawel Kozielewicz et al. Handb Exp Pharmacol.2021.

Abstract

The Frizzled (FZD) family of WNT receptors consists of ten paralogues in mammals. They belong to the superfamily of G protein-coupled receptors and regulate crucial processes during embryonic development. Dysregulated FZD signaling leads to disease, most prominently to diverse forms of cancer, which renders these receptors attractive for drug discovery. Recent advances in assay development and the design of genetically encoded biosensors monitoring ligand-receptor interaction, conformational dynamics, and protein-protein interaction have allowed for a better pharmacological understanding of WNT/FZD signal transduction and open novel avenues for mechanism-based drug discovery and screening. In this chapter, we summarize the recent progress in the molecular dissection of FZD activation based on advanced biosensors.

Keywords: BRET; Conformation; Drug discovery; FRET; Frizzled; G protein; GPCR; Ligand binding; Receptor activation; Screening; WNT; cpGFP.

© 2021. The Author(s), under exclusive license to Springer Nature Switzerland AG.

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