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Eur J Pharmacol. 1999 Feb 5;366(2-3):127-35.

Neuroprotective effect of rasagiline, a selective monoamine oxidase-B inhibitor, against closed head injury in the mouse.

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Department of Pharmacology, Hebrew University Hadassah School of Medicine, Jerusalem, Israel.


The potential neuroprotective effects of rasagiline, N-propargyl-1R-aminoindan, a selective monoamine oxidase-B inhibitor and its inactive enantiomer TVP 1022, N-propargyl-1S-aminoindan were assessed against the sequelae of closed head injury in the mouse. Injury was induced in the left hemisphere under ether anaesthesia. Rasagiline (0.2 and 1 mg/kg) or TVP1022 (1 and 2 mg/kg) injected 5 min after injury accelerated the recovery of motor function and spatial memory and reduced the cerebral oedema by about 40-50%, (P < 0.01). The neuroprotective effects on motor function and spatial memory, but not on cerebral oedema, were prevented by scopolamine (0.2 mg/kg). Daily injection of rasagiline (1 mg/kg) from day 3 after injury accelerated the recovery of spatial memory but not motor function.


Early administration of rasagiline or TVP1022 can reduce the immediate sequelae of brain injury. The mechanism of action does not appear to involve monoamine oxidase-B inhibition but could be mediated by the maintenance of cholinergic transmission in brain neurons.

[Indexed for MEDLINE]

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