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Identification of Flavone Derivative Displaying a 4'-Aminophenoxy Moiety as Potential Selective Anticancer Agent in
Giovanna Mobbili1, Brenda Romaldi2, Giulia Sabbatini1
1Department of Life and Environmental Sciences, Marche Polytechnic University, 60131 Ancona, Italy.
Abstract:
Five heterocyclic derivatives were synthesized by functionalization of a flavone nucleus with an aminophenoxy moiety. Their cytotoxicity was investigated in vitro in two models of human non-small cell lung cancer (NSCLC) cells (A549 and NCI-H1975) by using MTT assay and the results compared to those obtained in healthy fibroblasts as a non-malignant cell model. One of the aminophenoxy flavone derivatives (APF-1) was found to be effective at low micromolar concentrations in both lung cancer cell lines with a higher selective index (SI). Flow cytometric analyses showed that APF-1 induced apoptosis and cell cycle arrest in the G2/M phase through the up-regulation of p21 expression. Therefore, the aminophenoxy flavone-based compounds may be promising cancer-selective agents and could serve as a base for further research into the design of flavone-based anticancer drugs.
Insights
New aminophenoxy flavone derivatives show promise as selective lung cancer treatments. Compound APF-1 effectively targets non-small cell lung cancer (NSCLC) cells while sparing healthy cells, indicating potential for novel anticancer drug development.
Area of Science:
- Medicinal Chemistry
- Cancer Biology
- Pharmacology
Background:
- Flavone derivatives are explored for their therapeutic potential.
- Lung cancer remains a significant global health challenge.
- Developing selective anticancer agents is a key research area.
Purpose of the Study:
- To synthesize and evaluate novel aminophenoxy flavone derivatives for anticancer activity.
- To assess the cytotoxicity of these compounds against non-small cell lung cancer (NSCLC) cell lines.
- To investigate the mechanism of action of the most promising derivative.
Main Methods:
- Synthesis of five heterocyclic derivatives via functionalization of a flavone nucleus.
- In vitro cytotoxicity assays (MTT assay) on A549 and NCI-H1975 NSCLC cells and healthy fibroblasts.
- Flow cytometric analysis to determine apoptosis and cell cycle effects.
Main Results:
- One derivative, APF-1, demonstrated significant efficacy at low micromolar concentrations against both NSCLC cell lines.
- APF-1 exhibited a high selective index (SI), indicating preferential toxicity to cancer cells.
- Flow cytometry revealed APF-1 induces apoptosis and G2/M cell cycle arrest, linked to p21 up-regulation.
Conclusions:
- Aminophenoxy flavone derivatives, particularly APF-1, show potential as selective anticancer agents for NSCLC.
- APF-1's mechanism involves inducing apoptosis and cell cycle arrest.
- These compounds provide a promising foundation for developing novel flavone-based anticancer drugs.
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