MTERF2 contributes to MPP(+)-induced mitochondrial dysfunction and cell damage

Biochemical and Biophysical Research Communications
Yanyan HanWen Liu

Abstract

Parkinson's disease (PD) is a common neurodegenerative disorder whose pathogenesis is under intense investigation. Substantial evidence indicates that mitochondrial dysfunction plays a central role in the pathophysiology of PD. Several mitochondrial internal regulating factors act to maintain the mitochondrial function. However, how these internal regulating factors contribute to mitochondrial dysfunction in PD remains elusive. One of these factors, mitochondrial transcription termination factor 2 (MTERF2), has been implicated in the regulation of oxidative phosphorylation by modulating mitochondrial DNA transcription. Here, we discovered a new role of MTERF2 in regulating mitochondrial dysfunction and cell damage induced by MPP(+) in SH-SY5Y cells. We found that MPP(+) treatment elevated MTERF2 expression, induced mitochondrial dysfunction and cell damage, which was alleviated by MTERF2 knockdown. These findings demonstrate that MTERF2 contributes to MPP(+)-induced mitochondrial disruption and cell damage. This study indicates that MTERF2 is a potential therapeutic target for environmentally induced Parkinson's disease.

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Citations

Jun 30, 2019·International Journal of Molecular Sciences·Qin ChuJiuzhou Song

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