Oct-4 Expression Maintained Cancer Stem-Like Properties in Lung Cancer-Derived CD133-Positive Cells
Author Information
Author(s): Chen Yu-Chih, Hsu Han-Shui, Chen Yi-Wei, Tsai Tung-Hu, How Chorng-Kuang, Wang Chien-Ying, Hung Shih-Chieh, Chang Yuh-Lih, Tsai Ming-Long, Lee Yi-Yen, Ku Hung-Hai, Chiou Shih-Hwa
Primary Institution: National Yang-Ming University, Taipei, Taiwan
Hypothesis
The study investigates the role of Oct-4 expression in maintaining cancer stem-like properties in lung cancer-derived CD133-positive cells.
Conclusion
Oct-4 expression is crucial for maintaining the self-renewing and chemoresistant properties of lung cancer-derived CD133-positive cells.
Supporting Evidence
- CD133-positive cells showed higher Oct-4 expressions and self-renewal capabilities.
- LC-CD133+ cells were resistant to multiple chemotherapy agents.
- Knockdown of Oct-4 expression inhibited tumor invasion and colony formation.
- Oct-4 siRNA treatment improved the effectiveness of chemoradiotherapy.
- LC-CD133+ cells could generate new tumors in vivo.
Takeaway
Researchers found that a specific protein called Oct-4 helps certain cancer cells keep growing and resist treatments, making it harder to kill the cancer.
Methodology
The study involved isolating CD133-positive and CD133-negative cells from lung cancer patients and cell lines, followed by various assays to evaluate their properties.
Participant Demographics
Patients with non-small cell lung cancer, including ten patients and five lung cancer cell lines.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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