Combinatorial screening of biological degrader modules identifies heterobifunctional molecules that efficiently destroy MYC, leading to rapid tumour cell death in vitro and in vivo
Ascanelli, C.; Gilberto, S.; Batho, C. A.; Tunali, G.; Ma, M.; Glover, M.; Seaton, A.; Taylor, J.; Richmond, H.; Butler, R.; Martinez Cuesta, S.; Hess, S.; Khaled, W.; Minter, R.; Laman, H.; Itzhaki, L. S.; Hunt, J.; Wilson, C. H.
Show abstract
Targeted protein degradation is a potent strategy against intracellular proteins impervious to traditional drugs. We describe a platform reliant on high-throughput cloning and mRNA-based delivery to quickly screen 100s-1000s of modular biological degraders, which we challenge against the high-turnover c-Myc oncoprotein. We uncover critical principles to drive degrader discovery against any target, free from tagging or prior cell line engineering, with direct applications in research and potentially therapy. We demonstrate the feasibility of targeted protein degradation of c-Myc across in vitro cancer models and in vivo xenograft model, uncovering distinct cellular responses between c-Myc degradation and inhibition.
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