Related Experiment Video
Updated: May 30, 2026
Live Imaging to Study Microtubule Dynamic Instability in Taxane-resistant Breast Cancers
Published on: February 20, 2017
Effects of navelbine and docetaxel on gene expression in human lung cancer cell lines
Guangyue Shi1, Li Cai, Wei Jiang
1Department of Medicine & Oncology, The Third Affiliated Hospital of Harbin Medical University, Harbin 150040, China.
Abstract:
In this study, we identified the genes in small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) cell lines sensitive to anticancer drugs. For this purpose, sensitivity of four SCLC and six NSCLC cell lines to navelbine (NVB) and docetaxel (DOC) was evaluated using MTT assay. Expression of 1,`291 drug sensitivity-related genes in these cells was measured by cDNA macroarrays, and their relationship was analyzed. Overall, there were 56 (r ≥ ± 0.4) genes sensitive to NVB and DOC. Regarding NVB, 36 genes were sensitive to NVB, 20 co-expressed genes between SCLC+NSCLC and NSCLC sets; 27 expressed and seven specially expressed genes in SCLC+NSCLC set; and 29 expressed and nine specially expressed genes in NSCLC set. Concerning DOC, 50 genes were sensitive to DOC, 12 co-expressed genes between SCLC+NSCLC and NSCLC sets; 24 expressed and 12 specially expressed genes in SCLC+NSCLC set; and 38 expressed and 26 specially expressed genes in NSCLC set. The genes sensitive to NVB and DOC in these cell lines were categorized into signal transduction molecules, cell factors, transcription factors and metabolism-related enzymes and their inhibitors. In conclusion, there were gene expression differences between SCLC and NSCLC cell lines related to NVB and DOC; nevertheless, these genes also shared functional similarities.
Insights
This study identified drug-sensitive genes in small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) cell lines. Gene expression analysis revealed differences and similarities between SCLC and NSCLC, impacting sensitivity to navelbine and docetaxel.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) are major forms of lung cancer.
- Identifying genes associated with drug sensitivity is crucial for developing targeted therapies.
Purpose of the Study:
- To identify genes in SCLC and NSCLC cell lines that are sensitive to navelbine (NVB) and docetaxel (DOC).
- To analyze the relationship between gene expression and drug sensitivity in these lung cancer subtypes.
Main Methods:
- Utilized MTT assay to evaluate drug sensitivity of four SCLC and six NSCLC cell lines to NVB and DOC.
- Measured expression of 1,291 drug sensitivity-related genes using cDNA macroarrays.
- Analyzed gene expression data to identify correlations with drug sensitivity.
Main Results:
- Identified 56 genes sensitive to both NVB and DOC (correlation coefficient r ≥ ± 0.4).
- Found distinct and overlapping gene expression patterns between SCLC and NSCLC cell lines concerning NVB and DOC sensitivity.
- Classified sensitive genes into categories including signal transduction, cell factors, transcription factors, and metabolism-related enzymes.
Conclusions:
- Gene expression profiles differ between SCLC and NSCLC cell lines in response to NVB and DOC.
- Despite differences, sensitive genes in both cancer types share functional similarities.
- These findings contribute to understanding molecular mechanisms of chemotherapy response in lung cancer.
