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Curcumin Targets Circulating Cancer Stem Cells by Inhibiting Self-Renewal Efficacy in Non-Small Cell Lung Carcinoma
Sheefa Mirza1, Aakanksha Vasaiya2, Hemangini Vora3
1Department of Life Science, School of Sciences, Gujarat University, Ahmedabad, Gujarat. India.
Background:
The ultimate goal of the study was to find a role of curcumin in targeting lung cancer stem cells by reducing their self-renewal efficiency causing DNA damage.
Materials And Methods:
Circulating lung cancer stem cells were isolated by sphere formation assay and further analysed by flow-cytometry and qRT-PCR for the presence of stem cell and stem cell transcription markers. The IC50 values of gemcitabine and curcumin were analysed by MTT assay, while curcumin induced DNA damage was scrutinized by single cell gel electrophoresis assay.
Results And Conclusion:
Our results demonstrated that curcumin significantly affect the self-renewal ability of circulating lung cancer stem cells. The no. of spheres formed in the presence of curcumin was shown to be significantly decreased. Additionally, our results depicted that 4.52±0.72 % and 95.47±0.72 % (p < 0.0001) of DNA material was found to be present in head and tail, respectively, suggesting curcumin's functional potential to cause DNA damage. Thus, we can conclude that curcumin can be used to target lung cancer stem cells which is responsible for the disease progression and metastasis by causing DNA damage or inhibiting their DNA repair mechanisms.
Insights
Curcumin effectively targets lung cancer stem cells by reducing their self-renewal and causing DNA damage. This suggests curcumin
Area of Science:
- Oncology
- Molecular Biology
- Cancer Stem Cell Research
Background:
- Lung cancer stem cells (LCSCs) drive disease progression and metastasis.
- Targeting LCSCs is crucial for effective lung cancer therapy.
Purpose of the Study:
- To investigate curcumin's role in targeting LCSCs.
- To assess curcumin's effect on LCSC self-renewal and DNA integrity.
Main Methods:
- Isolation and characterization of circulating LCSCs using sphere formation assay, flow cytometry, and qRT-PCR.
- Assessment of curcumin's cytotoxicity via MTT assay.
- Evaluation of curcumin-induced DNA damage using single-cell gel electrophoresis.
Main Results:
- Curcumin significantly reduced the self-renewal capacity of LCSCs, evidenced by decreased sphere formation.
- Curcumin induced significant DNA damage in LCSCs.
- The study quantified DNA material distribution post-treatment, indicating curcumin's genotoxic potential.
Conclusions:
- Curcumin demonstrates functional potential to target LCSCs.
- Curcumin may serve as a therapeutic agent against lung cancer by inducing DNA damage or inhibiting repair mechanisms in LCSCs.
- These findings support curcumin's utility in combating lung cancer progression and metastasis.
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