CD133 as a Marker of Bioenergetic Stress in Human Glioma
Author Information
Author(s): Griguer Corinne E., Oliva Claudia R., Gobin Eric, Marcorelles Pascale, Benos Dale J., Lancaster Jack R. Jr, Gillespie G. Yancey
Primary Institution: University of Alabama at Birmingham
Hypothesis
Mitochondrial status plays a role in the regulation of CD133 expression in human glioma cell lines.
Conclusion
The study suggests that CD133 expression in glioma cells is regulated by environmental conditions such as hypoxia and mitochondrial dysfunction.
Supporting Evidence
- Hypoxia induced a reversible up-regulation of CD133 expression in glioma cells.
- Mitochondrial dysfunction through pharmacological inhibition of the Electron Transport Chain increased CD133 expression.
- Stable glioma cells depleted of mitochondrial DNA showed significant increases in CD133 expression.
- CD133 expression was maintained under hypoxic conditions for several days.
Takeaway
This study found that a protein called CD133, which is linked to brain tumors, can change based on the energy stress in the cells, like when there's not enough oxygen.
Methodology
The study used human glioma cell lines and examined the effects of hypoxia and mitochondrial DNA depletion on CD133 expression.
Limitations
The study primarily focuses on in vitro models, which may not fully replicate in vivo conditions.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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