The pathogenesis linked to coenzyme Q10 insufficiency in iPSC-derived neurons from patients with multiple-system atrophy

Fumiko Kusunoki Nakamoto, Satoshi Okamoto, Jun Mitsui, Takefumi Sone, Mitsuru Ishikawa, Yorihiro Yamamoto, Yumi Kanegae, Yuki Nakatake, Kent Imaizumi, Hiroyuki Ishiura, Shoji Tsuji, Hideyuki Okano

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Abstract

Multiple-system atrophy (MSA) is a neurodegenerative disease characterized by autonomic failure with various combinations of parkinsonism, cerebellar ataxia, and pyramidal dysfunction. We previously reported that functionally impaired variants of COQ2, which encodes an essential enzyme in the biosynthetic pathway of coenzyme Q10, are associated with MSA. Here, we report functional deficiencies in mitochondrial respiration and the antioxidative system in induced pluripotent stem cell (iPSC)-derived neurons from an MSA patient with compound heterozygous COQ2 mutations. The functional deficiencies were rescued by site-specific CRISPR/Cas9-mediated gene corrections. We also report an increase in apoptosis of iPSC-derived neurons from MSA patients. Coenzyme Q10 reduced apoptosis of neurons from the MSA patient with compound heterozygous COQ2 mutations. Our results reveal that cellular dysfunctions attributable to decreased coenzyme Q10 levels are related to neuronal death in MSA, particularly in patients with COQ2 variants, and may contribute to the development of therapy using coenzyme Q10 supplementation.

Original languageEnglish
Article number14215
JournalScientific Reports
Volume8
Issue number1
DOIs
Publication statusPublished - 2018 Dec 1

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coenzyme Q10
Multiple System Atrophy
Induced Pluripotent Stem Cells
Neurons
Clustered Regularly Interspaced Short Palindromic Repeats
Apoptosis
Cerebellar Ataxia
Mutation
Biosynthetic Pathways
Parkinsonian Disorders
Neurodegenerative Diseases
Respiration

ASJC Scopus subject areas

  • General

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The pathogenesis linked to coenzyme Q10 insufficiency in iPSC-derived neurons from patients with multiple-system atrophy. / Nakamoto, Fumiko Kusunoki; Okamoto, Satoshi; Mitsui, Jun; Sone, Takefumi; Ishikawa, Mitsuru; Yamamoto, Yorihiro; Kanegae, Yumi; Nakatake, Yuki; Imaizumi, Kent; Ishiura, Hiroyuki; Tsuji, Shoji; Okano, Hideyuki.

In: Scientific Reports, Vol. 8, No. 1, 14215, 01.12.2018.

Research output: Contribution to journalArticle

Nakamoto, FK, Okamoto, S, Mitsui, J, Sone, T, Ishikawa, M, Yamamoto, Y, Kanegae, Y, Nakatake, Y, Imaizumi, K, Ishiura, H, Tsuji, S & Okano, H 2018, 'The pathogenesis linked to coenzyme Q10 insufficiency in iPSC-derived neurons from patients with multiple-system atrophy', Scientific Reports, vol. 8, no. 1, 14215. https://doi.org/10.1038/s41598-018-32573-1
Nakamoto, Fumiko Kusunoki ; Okamoto, Satoshi ; Mitsui, Jun ; Sone, Takefumi ; Ishikawa, Mitsuru ; Yamamoto, Yorihiro ; Kanegae, Yumi ; Nakatake, Yuki ; Imaizumi, Kent ; Ishiura, Hiroyuki ; Tsuji, Shoji ; Okano, Hideyuki. / The pathogenesis linked to coenzyme Q10 insufficiency in iPSC-derived neurons from patients with multiple-system atrophy. In: Scientific Reports. 2018 ; Vol. 8, No. 1.
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