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Updated: Jun 11, 2025

High-throughput Screening for Small-molecule Modulators of Inward Rectifier Potassium Channels
Published on: January 27, 2013
Design, In silico Screening, Synthesis, Characterisation and DFT-based Electronic Properties of Dihydropyridine-based
Sujoy Karmakar1, Hriday Kumar Basak1,2, Uttam Paswan1
1Design, Synthesis and Simulation Laboratory, Department of Chemistry, Raiganj University, 733134, WB, India.
Researchers designed novel dihydropyrimidine (DHP) compounds as potential antihypertensive drugs. Compound 16 demonstrated excellent binding affinity and was synthesized, showing promise as a calcium channel blocker for hypertension treatment.
Area of Science:
- Medicinal Chemistry
- Computational Chemistry
- Pharmacology
Background:
- Hypertension is a global health concern with increasing mortality rates.
- Current antihypertensive therapies exist but new drug development is crucial.
Purpose of the Study:
- Design novel dihydropyrimidine (DHP) based antihypertensive agents.
- Evaluate drug-likeness and binding mechanisms of designed ligands against Cav1.2.
- Synthesize and characterize the most promising drug candidate.
Main Methods:
- Homology modeling for human Cav1.2 protein structure.
- Molecular docking and dynamics simulations for binding analysis.
- DFT calculations and SwissADME for property evaluation.
Main Results:
- Nineteen DHP compounds were designed as potential calcium channel blockers.
- Compound 16 exhibited superior binding affinity (-11.6 kcal/mol).
- Compound 16 was successfully synthesized and characterized.
Conclusions:
- Compound 16 shows significant potential as a calcium channel blocker.
- The study validates the use of computational methods in drug design.
- Further investigation is warranted for clinical application of compound 16.
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