Heparanase Increases Migration and Growth in Glioma Cells
Author Information
Author(s): Hong Xin, Jiang Feng, Kalkanis Steven N, Zhang Zheng Gang, Zhang Xuepeng, Zheng Xuguang, Jiang Hao, Mikkelsen Tom, Chopp Michael
Primary Institution: Henry Ford Health Science Center
Hypothesis
What are the effects of heparanase overexpression on glioma cell functions?
Conclusion
Heparanase overexpression significantly enhances cell invasion, proliferation, and chemotactic migration in glioma cells.
Supporting Evidence
- Heparanase-overexpressing U251n cells showed a 10-fold increase in cell invasion compared to control cells.
- Increased migration was significantly blocked by the heparanase inhibitor heparin.
- U251n-hpa cells exhibited a 12-fold increase in heparanase activity compared to U251n-pc cells.
- Cell proliferation was significantly higher in U251n-hpa cells after four days of culture.
Takeaway
Heparanase helps cancer cells move and grow faster, which could make tumors spread more easily.
Methodology
The study involved overexpressing the heparanase gene in U251n glioma cells and assessing changes in cell invasion, migration, and growth through various assays.
Limitations
The study does not provide direct evidence linking increased cell migration and growth to elevated AKT phosphorylation.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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