PMID: 26770414Jan 16, 2016Paper

Involvement of Bcl-2-associated athanogene (BAG)-family proteins in the neuroprotection by rasagiline

International Journal of Clinical and Experimental Medicine
Ji-Feng GuoBei-Sha Tang

Abstract

Rasagiline, a novel monoamine oxidase (MAO)-B inhibitor, has a mild to moderate effect in relieving Parkinson's disease (PD) symptoms as well as unique neuroprotective effects. Previous studies demonstrated rasagiline protect neurons by regulating Bcl-2 family proteins. Our study aimed to study whether Bcl-2-associated athanogene (BAG)-family proteins, which were reported closely associated with neurodegenerative disease, were involved in the neuroprotective effect of rasagiline. We found that after the administration of 1-methy1-4-phenvl-1,2,3,6-tetrahvdropvridine (MPTP), BAG2 and BAG5 proteins were up-regulated in the substantia nigra dopaminergic neurons of PD mouse model. A further increase of BAG2 and BAG5 was detected after intragastric administration of rasagiline to post-MPTP lesioned mice. Thus, the current study proved the association of BAG family proteins with PD, and suggested the involvement and a positive role of BAG2, BAG5 in the neuroprotection of rasagiline. These preliminary results implicate a novel pathway for further study on neuroprotection of rasagiline.

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