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Quantitative structure-cytotoxicity relationship of piperic acid amides
Chiyako Shimada1, Yoshihiro Uesawa2, Mariko Ishihara3
1Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan.
Quantitative structure-activity relationship (QSAR) analysis of piperic acid amides revealed that molecular shape and electrostatic interactions are key for tumor selectivity, though no anti-HIV activity was observed.
Area of Science:
- Medicinal Chemistry
- Computational Chemistry
- Pharmacology
Background:
- Investigated 12 piperic acid amides, including piperine, for novel biological activities.
- Focused on cytotoxicity, tumor selectivity, and anti-HIV potential.
Purpose of the Study:
- To conduct a quantitative structure-activity relationship (QSAR) analysis of piperic acid amides.
- To identify structural features correlating with cytotoxicity and tumor selectivity.
Main Methods:
- Assessed cytotoxicity using the MTT assay against oral cancer and normal cell lines.
- Calculated physicochemical, structural, and quantum-chemical parameters using computational methods.
Main Results:
- Compounds exhibited low-to-moderate tumor selectivity; no anti-HIV activity was detected.
- N-Piperoyldopamine demonstrated the highest tumor selectivity, linked to its molecular shape and electrostatic properties.
Conclusions:
- Molecular shape and electrostatic interactions are significant predictors of tumor selectivity for piperic acid amides.
- QSAR analysis provides insights into optimizing anticancer drug candidates.
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