Meningothelial Cells React to Elevated Pressure and Oxidative Stress
2011

Meningothelial Cells React to Elevated Pressure and Oxidative Stress

publication Evidence: moderate

Author Information

Author(s): Xin Xiaorong, Fan Bin, Flammer Josef, Miller Neil R., Jaggi Gregor P., Killer Hanspeter E., Meyer Peter, Neutzner Albert

Primary Institution: University Hospital Basel, Basel, Switzerland

Hypothesis

Do elevated pressure and oxidative stress affect the proliferation and endocytotic activity of meningothelial cells?

Conclusion

Elevated pressure and oxidative stress impact meningothelial cell physiology, potentially affecting cerebrospinal fluid dynamics and neuronal function.

Supporting Evidence

  • Elevated pressure caused a 20% increase in proliferation of meningothelial cells.
  • Endocytotic activity decreased significantly in cells exposed to elevated pressure.
  • Oxidative stress reduced endocytotic activity even at low concentrations of rotenone.
  • Hypoxia did not significantly affect the function of meningothelial cells.

Takeaway

Meningothelial cells, which protect the brain, can grow more when there's high pressure but have a harder time taking in important substances, which might be bad for brain health.

Methodology

The study used MTS assays to assess cell proliferation and fluorescence microscopy to analyze endocytotic activity in human and porcine meningothelial cells under different stress conditions.

Limitations

The study primarily focused on two cell types and may not fully represent the behavior of all meningothelial cells in vivo.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0020142

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