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Microplasmin reduces ischemic brain damage and improves neurological function in a rat stroke model monitored with
Yasuhiro Suzuki1, Feng Chen, Yicheng Ni
1Center for Molecular and Vascular Biology, University of Leuven, Leuven, Belgium.
Stroke
|August 24, 2004
Summary
Microplasmin (microPli) reduced brain damage and improved neurological function in a rat stroke model. This plasmin derivative shows promise for treating ischemic stroke patients.
Area of Science:
- Neuroscience
- Pharmacology
- Biochemistry
Background:
- Microplasmin (microPli), a truncated plasmin derivative, was investigated for its therapeutic potential.
- Ischemic stroke involves significant brain tissue damage and neurological deficits.
Purpose of the Study:
- To evaluate the efficacy of microPli in a rat model of thrombotic stroke.
- To assess the impact of microPli on cerebral damage and neurological outcomes using MRI and other methods.
Main Methods:
- A photochemically induced thrombotic stroke model was established in rats.
- MicroPli was administered intravenously 90 minutes after middle cerebral artery occlusion.
- Brain tissue damage, PWI changes, and neurological deficits were assessed at 24 hours post-occlusion.
Main Results:
- MicroPli treatment significantly reduced cerebral infarct volume compared to controls.
- Treatment with microPli limited the expansion of the perfusion-weighted imaging positive area.
- Neurological deficits were significantly improved in microPli-treated rats.
Conclusions:
- Intravenous microPli administration effectively reduces ischemic brain damage and neurological dysfunction in a rat stroke model.
- These findings suggest that microPli holds potential as a therapeutic agent for human ischemic stroke.