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Updated: Aug 7, 2026

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods
Published on: July 17, 2019
HuR degradation reveals dependencies in BRAF-driven cancers
Ivan R Siordia1, Jonathan R Brody1, Dan A Dixon2
1Department of Surgery, Oregon Health & Science University, Portland, OR, USA; Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR, USA; Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA; Brenden-Colson Center for Pancreatic Care, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA.
Researchers discovered a molecular glue that degrades the HuR protein, offering a new treatment strategy for BRAF-mutant colorectal cancer and other HuR-driven cancers.
Area of Science:
- Oncology
- Molecular Biology
- Drug Discovery
Background:
- Targeting RNA-binding proteins (RBPs) is difficult due to a lack of druggable pockets.
- Hu-antigen R (HuR) is an RBP implicated in various cancers.
Purpose of the Study:
- To identify novel therapeutic strategies for HuR-driven malignancies.
- To investigate the potential of molecular glues in degrading RBPs like HuR.
Main Methods:
- Utilized a molecular glue approach to target HuR.
- Assessed the efficacy of the molecular glue in suppressing BRAF-mutant colorectal cancer models.
Main Results:
- Successfully identified a molecular glue that degrades HuR.
- Demonstrated suppression of BRAF-mutant colorectal cancer growth by the molecular glue.
- Established a novel degradation pathway for HuR.
Conclusions:
- Molecular glues represent a viable strategy for targeting previously undruggable RBPs like HuR.
- This approach offers a promising therapeutic avenue for BRAF-mutant colorectal cancer and other HuR-dependent cancers.
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