Role of IGF-1/IGF-1R in regulation of invasion in DU145 prostate cancer cells
2008
How IGF-1 Affects Invasion in Prostate Cancer Cells
Sample size: 50000
publication
Evidence: moderate
Author Information
Author(s): Zeina Saikali, Hemani Setya, Gurmit Singh, Sujata Persad
Primary Institution: Juravinski Cancer Centre, Hamilton, Canada
Hypothesis
Does IGF-1 signaling contribute to the invasiveness of DU145 prostate cancer cells?
Conclusion
IGF-1 enhances the invasive capacity of DU145 prostate cancer cells through specific signaling pathways.
Supporting Evidence
- IGF-1 significantly increased the invasive capacity of DU145 cells in vitro.
- Blocking IGF-1R inhibited the increase in invasion caused by IGF-1.
- Specific inhibitors of the MAPK and PI3-K pathways decreased IGF-1-mediated invasion.
- IGF-1 increased the enzymatic activity of MMP-2 and MMP-9 in DU145 cells.
Takeaway
IGF-1 helps prostate cancer cells move and invade more, and blocking its receptor can stop this effect.
Methodology
The study used Matrigel invasion assays to assess the invasive response of DU145 cells to IGF-1 stimulation.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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