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Updated: Jun 21, 2026

Impedance-based Real-time Measurement of Cancer Cell Migration and Invasion
Published on: April 2, 2020
[The effects of shRNA-CXCR4 on breast cancer cells migration and invasion]
Hong-yuan Li1, Guo-sheng Ren, Jin-xiang Tan
1The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
Objective:
To study the effect of shRNA-CXCR4 on human breast cancer cells migration and invasion.
Methods:
Through knockdown CXCR4 by shRNA, the CXCR4 mRNA expression and protein expression were examined with RT-PCR and Western blot separately. The matrigel penetrating ability of human breast cancer cells was examined in vitro experiments.
Results:
The CXCR4 mRNA express and its protein express decreased significantly in MCF-7, MDA-MB-231 and MDA-MB-435s breast cancer cells (P<0.05). The invasive ability of human breast cancer cells was significantly decreased (P<0.05).
Conclusion:
through knockdown CXCR4 by shRNA, the invasive ability of human breast cancer cells can be inhibited obviously.
Insights
Knocking down CXCR4 using shRNA significantly reduces breast cancer cell invasion and migration. This study demonstrates shRNA-CXCR4 as a potential therapeutic strategy for inhibiting cancer cell invasiveness.
Area of Science:
- Oncology
- Molecular Biology
- Gene Silencing
Context:
- Breast cancer is a leading cause of cancer-related mortality worldwide.
- Cancer cell migration and invasion are critical processes in metastasis.
- CXCR4 is a chemokine receptor implicated in cancer progression.
Purpose:
- To investigate the efficacy of short hairpin RNA (shRNA)-mediated knockdown of CXCR4 in human breast cancer cells.
- To assess the impact of CXCR4 downregulation on cancer cell migration and invasion.
Summary:
- CXCR4 expression was significantly reduced at both mRNA and protein levels in MCF-7, MDA-MB-231, and MDA-MB-435s cell lines following shRNA treatment.
- In vitro experiments demonstrated a significant decrease in the matrigel-penetrating ability of these breast cancer cells.
- These findings indicate that inhibiting CXCR4 expression effectively suppresses breast cancer cell invasiveness.
Impact:
- This research highlights shRNA-CXCR4 as a promising therapeutic target for reducing breast cancer metastasis.
- The study provides a molecular basis for developing novel anti-cancer strategies targeting the CXCR4 pathway.
- Effective inhibition of breast cancer cell invasion could lead to improved patient outcomes.
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