Redesigning Berberines and Sanguinarines to Target Soluble Epoxide Hydrolase for Enhanced Anti-Inflammatory Efficacy.
Liu, X.Z., Du, X.Y., Xie, W.S., Ding, J., Zhu, M.Z., Feng, Z.Q., Wang, H., Feng, Y., Yu, M.J., Liu, S.M., Liu, W.T., Zhu, X.H., Liang, J.H.(2024) J Med Chem 67: 22168-22190
- PubMed: 39658523 
- DOI: https://doi.org/10.1021/acs.jmedchem.4c02202
- Primary Citation Related Structures: 
9JFM - PubMed Abstract: 
Amino-berberine has remained underexplored due to limited biological evaluation and total synthesis approaches. In inflammation therapy, soluble Epoxide Hydrolase (sEH) is a promising target, yet natural scaffolds remain underutilized. Our study advances the field by redesigning natural compounds─berberine and sanguinarine─with strategic urea modifications and hydrogenated frameworks, creating novel sEH inhibitors with enhanced in vivo efficacy. Through total synthesis and structure-activity relationship studies of amino-berberine derivatives, chiral tetrahydroberberine ( R )-14i (coded LXZ-42 ) emerged as the most potent lead, with an IC 50 value of 1.20 nM. ( R )-14i showed reduced CYP enzyme impact, potent therapeutic effects on acute pancreatitis, no acute in vivo toxicity, and superior pharmacokinetic properties, with an oral bioavailability of 89.3%. Structural insights from crystallography of ( R )-14i bound to sEH revealed key interactions: three with the tetrahydroberberine framework and three hydrogen bonds with the urea group, highlighting ( R )-14i as a novel lead for sEH-targeted therapies in inflammation.
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, China.
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