Induction of Parkinsonism-related proteins in the spinal motor neurons of transgenic mouse carrying a mutant SOD1 gene

Nobutoshi Morimoto, Makiko Nagai, Kazunori Miyazaki, Yasuyuki Ohta, Tomoko Kurata, Yasushi Takehisa, Yoshio Ikeda, Tohru Matsuura, Masato Asanuma, Koji Abe

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Amyotrophic lateral sclerosis is a progressive and fatal disease caused by selective death of motor neurons, and a number of these patients carry mutations in the superoxide dismutase 1 (SOD1) gene involved in ameliorating oxidative stress. Recent studies indicate that oxidative stress and disruption of mitochondrial homeostasis is a common mechanism for motor neuron degeneration in amyotrophic lateral sclerosis and the loss of midbrain dopamine neurons in Parkinson's disease. Therefore, the present study investigated the presence and alterations of familial Parkinson's disease-related proteins, PINK1 and DJ-1, in spinal motor neurons of G93ASOD1 transgenic mouse model of amyotrophic lateral sclerosis. Following onset of disease, PINK1 and DJ-1 protein expression increased in the spinal motor neurons. The activated form of p53 also increased and translocated to the nuclei of spinal motor neurons, followed by increased expression of p53-activated gene 608 (PAG608). This is the first report demonstrating that increased expression of PAG608 correlates with activation of phosphorylated p53 in spinal motor neurons of an amyotrophic lateral sclerosis model. These results provide further evidence of the profound correlations between spinal motor neurons of amyotrophic lateral sclerosis and parkinsonism-related proteins.

Original languageEnglish
Pages (from-to)1804-1811
Number of pages8
JournalJournal of Neuroscience Research
Volume88
Issue number8
DOIs
Publication statusPublished - Jun 2010

Fingerprint

Parkinsonian Disorders
Motor Neurons
Transgenic Mice
Amyotrophic Lateral Sclerosis
Genes
Proteins
p53 Genes
Parkinson Disease
Oxidative Stress
Nerve Degeneration
Dopaminergic Neurons
Mesencephalon
Superoxide Dismutase-1
Homeostasis
Mutation

Keywords

  • Amyotrophic lateral sclerosis
  • DJ-1
  • PAG608
  • Parkinson's disease
  • PINK1

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience

Cite this

Induction of Parkinsonism-related proteins in the spinal motor neurons of transgenic mouse carrying a mutant SOD1 gene. / Morimoto, Nobutoshi; Nagai, Makiko; Miyazaki, Kazunori; Ohta, Yasuyuki; Kurata, Tomoko; Takehisa, Yasushi; Ikeda, Yoshio; Matsuura, Tohru; Asanuma, Masato; Abe, Koji.

In: Journal of Neuroscience Research, Vol. 88, No. 8, 06.2010, p. 1804-1811.

Research output: Contribution to journalArticle

Morimoto, Nobutoshi ; Nagai, Makiko ; Miyazaki, Kazunori ; Ohta, Yasuyuki ; Kurata, Tomoko ; Takehisa, Yasushi ; Ikeda, Yoshio ; Matsuura, Tohru ; Asanuma, Masato ; Abe, Koji. / Induction of Parkinsonism-related proteins in the spinal motor neurons of transgenic mouse carrying a mutant SOD1 gene. In: Journal of Neuroscience Research. 2010 ; Vol. 88, No. 8. pp. 1804-1811.
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