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Updated: May 21, 2026

Chemical Inactivation of the E3 Ubiquitin Ligase Cereblon by Pomalidomide-based Homo-PROTACs
Published on: May 15, 2019
Acyclic Glutarimide PROTAC Precursors Enable Controlled Protein Degradation and Expand Cereblon Ligand Space
Anna C Renner1, Robert B Kargbo2
1North Dakota State University, Fargo, North Dakota 58108-6050, United States.
Abstract:
Targeted protein degradation continues to reshape therapeutic strategy, yet the structural constraints of cereblon (CRBN) ligand chemistry limit broader application. Patent application WO 2026/043898 A1 discloses acyclic glutarimide-based precursors that undergo in situ cyclization to generate active degraders. This prodrug-like strategy enables temporally controlled CRBN engagement, enhances conjugation compatibility, and expands the degrader design space across oncology and related indications.
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