Abstract Title:

Alpha synuclein protein is involved in Aluminum-induced cell death and oxidative stress in PC12 cells.

Abstract Source:

Brain Res. 2016 Jan 27. Epub 2016 Jan 27. PMID: 26826584

Abstract Author(s):

Jamileh Saberzadeh, Rita Arabsolghar, Mohammad Ali Takhshid

Article Affiliation:

Jamileh Saberzadeh


Increased expression and aggregation ofα-synuclein (α-syn) protein plays a critical role in mediating the toxic effects of a number of neurodegenerative substances including metals. Thus, knockdown expression of α-syn is proposed as a possible modality for treatment of Parkinson disease (PD). Aluminum (Al) is a neurotoxic metal that contributes to pathogenesis of PD. The aim of this study was to investigate the role of α-syn protein in mediating Al-induced toxicity in PC12 cell. Specific α-syn small interference RNA (siRNA) was applied to knockdown the expression of α-syn protein in PC12 cells. The effects of different concentrations of Al-maltolate (Almal) were then evaluated on cell viability and oxidative stress in the α-syn downregulated cells. The results showed that Almal dose dependently induced apoptosis and increased malondialdehyde (MDA) and catalase activity in PC12 cells. Downregulation of α-syn protein significantly increased cell viability and decreased oxidative markers in Almal-treated cells. These findings suggest that α-syn protein may mediate Al-induced apoptosis and oxidative stress in PC12 cells.

Study Type : In Vitro Study

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