Abstract

Mitochondrial insufficiency and oxidative damage contribute to the etiopathology of Parkinson’s disease (PD). However, there is a dearth of information on the protective activities against PD of mitochondrial nutrients, safe for coenzyme Q10. In the present study, the PD protective effects of two mitochondrial nutrients, R-–lipoic acid (LA) and acetyl-Lcarnitine (ALC), as well as their combinations using 1-methyl-4-phenylpyridinium ion (MPP+)-treated SKN-MC human neuroblastoma cells as a model of PD was examined. Pretreatment of cells with LA (1-100 iM), ALC (1-100 iM) or LA-ALC (1:10; 10:100; 100:100 iM) combinations showed protective effects against MPP+-induced toxicity of cells. The best concentrations were LA-ALC (1:10 iM) combination, LA (10 iM) and ALC (100 iM) in that order, thus indicating a synergy by the mitochondrial nutrients. This could be a promising strategy in combating PD and other neurodegenerative disorders.

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