Tumor necrosis factor α triggers proliferation of adult neural stem cells via IKK/NF-κB signaling
2006
How TNF-α Helps Brain Stem Cells Grow
publication
Evidence: high
Author Information
Author(s): Darius Widera, Ilja Mikenberg, Margitta Elvers, Christian Kaltschmidt, Barbara Kaltschmidt
Primary Institution: University of Witten/Herdecke
Hypothesis
Does tumor necrosis factor alpha (TNF-α) promote the proliferation of adult neural stem cells through IKK/NF-κB signaling?
Conclusion
TNF-α activates IKK-β, leading to increased NF-κB activity and significantly enhances the proliferation of neural stem cells.
Supporting Evidence
- TNF-α treatment led to a significant increase in neurosphere volume.
- BrdU incorporation showed more than 6-fold higher proliferation in TNF-treated cells compared to controls.
- Inhibition of NF-κB activity reduced the proliferation of neural stem cells.
Takeaway
When a special protein called TNF-α is added to brain stem cells, it helps them grow and multiply. This is important for healing the brain.
Methodology
The study involved treating cultured adult neural stem cells with TNF-α and measuring changes in proliferation and signaling pathways.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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