Using Spherical Harmonics for Virtual Screening of Cyclooxygenase Inhibitors
Author Information
Author(s): Wang Quan, Birod Kerstin, Angioni Carlo, Grösch Sabine, Geppert Tim, Schneider Petra, Rupp Matthias, Schneider Gisbert
Primary Institution: Frankfurt Institute for Advanced Studies (FIAS), Goethe University, Frankfurt, Germany
Hypothesis
Can spherical harmonics descriptors improve the virtual screening process for cyclooxygenase inhibitors?
Conclusion
The study identified 12 compounds as potential cyclooxygenase-1 inhibitors, demonstrating the effectiveness of spherical harmonics in virtual screening.
Supporting Evidence
- 12 compounds were tested in vitro for direct enzyme inhibition.
- Active compounds containing a triazole scaffold were identified as direct cyclooxygenase-1 inhibitors.
- The combination of pharmacophore and shape-based filtering proved effective in identifying novel bioactive chemotypes.
Takeaway
The researchers used a special math tool called spherical harmonics to help find new medicines that can block certain enzymes in the body.
Methodology
The study introduced a spherical harmonics descriptor for molecular shape and validated it through retrospective and prospective virtual screening experiments.
Limitations
The study did not retrieve a potent COX-2 inhibitor, which may be due to the virtual screening setup.
Digital Object Identifier (DOI)
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