An anti-Parkinson's disease drug, N-propargyl-1(R)-aminoindan (rasagiline), enhances expression of anti-apoptotic bcl-2 in human dopaminergic SH-SY5Y cells
Akao Y, Maruyama W, Yi H,
Shamoto-Nagai M, Youdim MB, Naoi M.
Gifu International Institute of Biotechnology,
Mitake, Kani-gun, Gifu, Japan.
Neurosci Lett. 2002 Jun 28;326(2):105-8.


N-Propargyl-1(R)-aminoindan (rasagiline) is now under phase III clinical trials for Parkinson's disease (PD), and it rescues dopamine neurons from cell death in animal and cellular models of PD. Recently, we proved that rasagiline protected dopaminergic SH-SY5Y cells against apoptosis induced by a dopaminergic neurotoxin, N-methyl(R)salsolinol, and the mechanism was clarified to be due to suppression of death signal transduction in mitochondria. In this paper, the effects of rasagiline on the levels of anti-apoptotic bcl-2 gene family were studied. Rasagiline increased the levels of bcl-2 and bcl-x(l) mRNA at 100-10 nM and 100-10 pM, but not the level of pro-apoptotic bax mRNA. Enhanced expression of bcl-2 family indicates the ability of rasagiline to adjust the apoptotic threshold and protect degenerating neurons in PD.

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Molecular mechanisms
Rasagiline pharmacology
Induction of pro-survival genes
Rasagiline and the mitochondria
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