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Promising Anticancer Effect of Aurisin A Against the Human Lung Cancer A549 Cell Line
Parichart Boueroy1,2, Thidarut Boonmars2,3, Somdej Kanokmedhakul4
1Faculty of Public Health, Kasetsart University Chalermphrakiat Sakon Nakhon Province Campus, Sakon Nakhon,Thailand.
Objective:
To investigate the anticancer effect of aurisin A and the underlying mechanisms of its action on the human lung cancer A549 cell line.
Methods:
Cell viability was determined by sulforhodamine B (SRB) assay, while cell cycle distribution and apoptosis were measured by flow cytometry. The molecular underlying mechanisms of anti-cancer properties of aurisin A was determined by western blot analysis.
Results:
Aurisin A exerts its anticancer effects by inhibiting cell growth (p<0.001), increasing the proportion of cells at the G0/G1 phase (p<0.001), and decreasing the expression of cyclin D (p<0.05) and cyclin-dependent kinase 4 (Cdk-4) (p<0.001). Nuclear morphological changes were observed in aurisin A-treated cells, demonstrated by a dose-dependent increase in the number of apoptosis cells (p<0.001). After aurisin A treatment, B-cell lymphoma 2 (Bcl-2) was down-regulated (p<0.05), cleaved caspase-3 was up-regulated (p<0.05). In addition, aurisin A inhibits migration of cancer cells in a dose-dependent manner (p<0.001) and decreases the expression of epidermal growth factor receptor (EGFR) (p<0.05) and phosphorylated p38 (pp38) (p<0.05).
Conclusion:
These results indicated that in-vitro treatment of aurisin A against this human lung cancer cell line inhibits cell proliferation and migration, and induces apoptosis and cell-cycle arrest. Aurisin A is a promising anticancer agent for use against human lung cancer.
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Insights
Aurisin A effectively inhibits human lung cancer cell growth and migration. It induces apoptosis and cell-cycle arrest, showing promise as an anticancer agent.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Lung cancer remains a leading cause of cancer-related mortality worldwide.
- Novel therapeutic agents are crucial for improving treatment outcomes.
- Aurisin A is a natural compound with potential cytotoxic properties.
Purpose of the Study:
- To evaluate the anticancer effects of aurisin A on the A549 human lung cancer cell line.
- To elucidate the molecular mechanisms underlying aurisin A's action.
Main Methods:
- Cell viability assessed using sulforhodamine B (SRB) assay.
- Cell cycle distribution and apoptosis analyzed via flow cytometry.
- Western blot analysis used to determine molecular targets.
Main Results:
- Aurisin A inhibited cell proliferation and migration in a dose-dependent manner.
- Induced cell-cycle arrest at the G0/G1 phase by downregulating cyclin D and Cdk-4.
- Promoted apoptosis, evidenced by increased cleaved caspase-3 and decreased Bcl-2 expression.
- Reduced expression of epidermal growth factor receptor (EGFR) and phosphorylated p38 (pp38).
Conclusions:
- Aurisin A exhibits significant in-vitro anticancer activity against human lung cancer cells.
- Mechanisms include inhibition of proliferation, induction of apoptosis, and cell-cycle arrest.
- Aurisin A represents a potential therapeutic candidate for lung cancer treatment.
