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The Keap1-Nrf2 protein-protein interaction: A suitable target for small molecules
Dieter Schmoll1, Christian K Engel1, Heiner Glombik1
1Sanofi R&D, Industriepark Hoechst, D-65926 Frankfurt, Germany.
Nuclear factor erythroid 2-related factor 2 (Nrf2) is key in oxidative stress defense. New reversible inhibitors of the Keap1-Nrf2 interaction may prove Nrf2 activation
Area of Science:
- Biochemistry
- Pharmacology
- Molecular Biology
Background:
- Nuclear factor erythroid 2-related factor 2 (Nrf2) regulates oxidative-stress defense pathways.
- Nrf2 is a potential therapeutic target for chronic diseases.
- Current Nrf2 activators face safety concerns or unproven efficacy.
- The clinical validity of Nrf2 activation remains unestablished.
- Keap1 inhibits Nrf2 activity through protein-protein interactions.
Purpose of the Study:
- To identify reversible small-molecule inhibitors of the Keap1-Nrf2 interaction.
- To elucidate the therapeutic potential of Nrf2 activation.
Main Methods:
- Structural characterization of the Keap1-Nrf2 interaction.
- Identification and design of small-molecule inhibitors.
Main Results:
- Reversible small-molecule inhibitors of the Keap1-Nrf2 interaction were identified.
- These inhibitors are based on the structural characteristics of the Keap1-Nrf2 complex.
Conclusions:
- The developed inhibitors offer a promising avenue to explore Nrf2's therapeutic potential.
- Further research is warranted to validate Nrf2 activation as a clinical strategy.
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