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Endothelin-1 (ET-1), a potent vasoconstrictor, reduces local blood flow to levels that produce ischemic injury when injected directly into brain tissue. The purpose of this study was to compare 4 different methods of inducing focal ischemia with ET-1: (1) topical application to the forelimb motor region of the cortex, (2) intracerebral injection into the(More)
In many recovering hemiparetic stroke patients, movement of the affected limb elicits ipsilateral activation of sensorimotor areas within the undamaged hemisphere, which is not observed in control subjects. Following middle cerebral artery occlusion, rats received intensive enriched-rehabilitation (ER) of the impaired forelimb for 4 weeks. Weekly(More)
We investigated the role of matrix metalloproteinases (MMPs) in a mouse model of intracerebral haemorrhage (ICH). Transcripts encoding nine of the 23 known mammalian MMPs were measured. MMP-12 levels were the most elevated. To evaluate the role of MMP-12 in ICH, haemorrhages were induced in wild-type (WT) and MMP-12 null mice. The results show that MMP-12(More)
Intracerebral hemorrhage (ICH) is a devastating condition currently lacking a defined line of treatment. The inflammatory response that ensues following its onset is thought to contribute to secondary injury following ICH, making inflammation a potential therapeutic target. Minocycline (MC), a commonly used antibiotic that also has anti-inflammatory and(More)