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Curr Drug Targets. 2006 Nov;7(11):1513-29.

Therapeutic efficacy of selegiline in neurodegenerative disorders and neurological diseases.

Author information

1
Department of Pharmacology, University of North Dakota, School of Medicine and Health Sciences, Grand Forks, ND 58203, USA. mebadi@medicine.nodak.edu

Abstract

Selegiline inhibits the activity of monoamine oxidase B, enhances the release of dopamine, blocks the uptake of dopamine, acts as a calmodulin antagonist, and enhances the level of cyclic AMP, which in turn protects dopaminergic neurons. It possesses cognition-enhancing functions, rejuvenates serum insulin-like growth factor I in aged rats, and enhances life expectancy in rodents. Selegiline possesses neurotrophic-like actions, and rescues axotomized motorneurons independent of monoamine oxidase B inhibition. It enhances the synthesis of nerve growth factor, protects dopaminergic neurons from glutamate-mediated neurotoxicity, and protects dopaminergic neurons from toxic factors present in the spinal fluid of parkinsonian patients, and the said effect may be mediated via elaborating brain derived neurotrophic factor. Selegiline increases the striatal superoxide dismutase, protects against peroxynitrite- and nitric oxide-induced apoptosis, and guards dopaminergic neurons from toxicity induced by glutathione depletion. It stimulates the biosynthesis of interleukin 1-beta and interleukin-6, is an immunoenhancing substance, possesses antiapoptotic actions, and is neuroprotectant in nature. Selegiline has been shown to be efficacious in Parkinson's disease, global ischemia, Gille de la Tourette syndrome, and narcolepsy. Its therapeutic efficacy in Alzheimer's disease remains uncertain. In Alzheimer's disease, short term studies of selegiline suggest a beneficial effect; whereas long term studies are less convincing.

PMID:
17100591
[Indexed for MEDLINE]

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