Minocycline Reduces Brain Damage After Stroke
Author Information
Author(s): Livia S. Machado, Anna Kozak, Adviye Ergul, David C. Hess, Cesario V. Borlongan, Susan C. Fagan
Primary Institution: University of Georgia, Augusta, GA, USA
Hypothesis
Does delayed minocycline inhibit brain MMPs activated by ischemia in a model of temporary occlusion in Wistar rats?
Conclusion
Minocycline inhibits enzymatic activity of gelatin proteases activated by ischemia after experimental stroke and is likely to be selective for MMP-9 at low doses.
Supporting Evidence
- MMP-2 and MMP-9 were elevated in the ischemic tissue after stroke.
- Minocycline significantly reduced the activity of MMP-2 and MMP-9.
- The study found that minocycline is more effective at inhibiting MMP-9 at lower concentrations.
Takeaway
Minocycline is a medicine that can help protect the brain after a stroke by stopping certain harmful proteins from working.
Methodology
The study used a model of temporary focal cerebral ischemia in Wistar rats, administering minocycline intraperitoneally and measuring MMP activity.
Limitations
The neurological scores did not show a significant difference between treatment and control groups, indicating a need for a larger sample size.
Participant Demographics
Male Wistar rats, weighing 270–300 g.
Statistical Information
P-Value
p<0.0003
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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