Inhibition of human LDL oxidation
by the neuroprotective drug l-deprenyl
by
Thomas T, Bhavnani BR, Thomas P.
Woodlands Medical Center,
3150 Tampa Road, Oldsmar,
Florida 34677, USA.
ayurveda.treatment@verizon.net
Neurol Res 2002 Mar;24(2):169-73

ABSTRACT

SL-deprenyl (Selegiline) used in the treatment of Parkinson's and Alzheimer's disease also enhances longevity. Oxidized low density lipoprotein promotes atherosclerosis and is toxic to both vascular and neural tissue. The reported association between vascular dysfunction and neurodegenerative diseases prompted us to investigate the effect of l-deprenyl, a MAO-B inhibitor, on low density lipoprotein (LDL) oxidation. LDL was isolated from freshly collected blood and the kinetics of copper induced oxidation of LDL was monitored continuously by spectrophotometry. Oral administration (10 mg) or in vitro (2.8 to 84 microM) addition of l-deprenyl inhibited oxidation of LDL isolated from healthy men and post-menopausal women. This is the first report demonstrating that the antioxidant action of l-deprenyl may be antiatherogenic and cardioprotective. Such an action could contribute to reported extension of life span associated with long-term administration of the drug. In conjunction with inhibition of LDL oxidation, l-deprenyl is unique in that it demonstrates protective effects on both vascular and neuronal tissue. Prophylactic use of low doses of l-deprenyl may accord protection against vascular and neurodegenerative diseases associated with aging. .

Structure
Metabolites
Interactions
Desmethylselegiline
Alzheimer's disease
Selegiline and the DAT
Selegiline and nitric oxide
Selegiline and life-expectancy
Selegiline for longer-lived flies
Selegiline as an immunostimulant
Selegiline for cocaine-dependence
Selegiline and Parkinson's disease
Selegiline, NO and Alzheimer's disease

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