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Resveratrol Derivatives Inhibit Pro-survival Akt Signaling Pathway in Lung Cancer
Bhurichaya Innets1,2,3, Satapat Racha1,2,4, Zin Zin Ei1,2
1Center of Excellence in Cancer Cell and Molecular Biology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand.
Background/Aim:
Akt signaling promotes cancer survival and therapy resistance. This study aimed to modify and improve resveratrol's efficacy by enhancing apoptosis induction in non-small cell lung cancer.
Materials And Methods:
Molecular docking analysis was used to investigate the binding between resveratrol derivatives and the Akt protein. Western blot analysis evaluated the levels of apoptosis markers and signaling proteins.
Results:
Resveratrol derivative, RD4 (4-(3-hydroxy-4-methoxyphenethyl)-2,6-dimethoxyphenol), shows binding potential to the allosteric site of Akt. After treatment of H460 cells with RD4 for 24 h, increased apoptosis and decreased levels of phosphorylated-Akt (p-Akt) protein were observed. Moreover, the levels of pro-apoptotic protein Bax and cleaved PARP were elevated, while those of the anti-apoptotic protein Bcl-2 were decreased. However, RD2 exhibited moderate effects at high concentrations and RD3 elevated p-Akt expression while exhibiting no apoptotic activity.
Conclusion:
RD4 suppresses Akt pathways by binding at the allosteric site of Akt. These findings provide a rationale for the design and optimization of novel Akt targeting agents for non-small cell lung cancer treatment.
Insights
A novel resveratrol derivative, RD4, effectively targets the Akt pathway, inducing apoptosis in non-small cell lung cancer cells. This discovery offers a new strategy for developing targeted cancer therapies.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Akt signaling is crucial for cancer cell survival and resistance to therapy.
- Non-small cell lung cancer (NSCLC) often relies on Akt pathway activation.
- Resveratrol derivatives are being explored to enhance anti-cancer efficacy.
Purpose of the Study:
- To modify and improve resveratrol's effectiveness in inducing apoptosis.
- To investigate novel Akt-targeting agents for NSCLC treatment.
- To evaluate the anti-cancer potential of resveratrol derivatives on NSCLC.
Main Methods:
- Molecular docking simulations to predict binding interactions with Akt.
- Western blot analysis to assess apoptosis markers and signaling proteins.
- Treatment of H460 NSCLC cells with resveratrol derivatives.
Main Results:
- Resveratrol derivative RD4 demonstrated binding affinity to the allosteric site of Akt.
- RD4 treatment increased apoptosis and decreased phosphorylated-Akt (p-Akt) levels in H460 cells.
- RD4 modulated the expression of apoptosis-related proteins (Bax, Bcl-2, cleaved PARP).
Conclusions:
- RD4 effectively suppresses Akt signaling by binding to its allosteric site.
- The findings support the development of RD4 as a potential therapeutic agent for NSCLC.
- This study provides a basis for designing optimized Akt inhibitors for cancer treatment.
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