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Analysis of the expression level of alpha-synuclein mRNA using postmortem brain samples from pathologically confirmed

T Ozawa1, K Okuizumi, T Ikeuchi

  • 1Department of Neurology, Brain Research Institute, Niigata University, Japan.

Acta Neuropathologica
|September 21, 2001
PubMed

Insights

Multiple system atrophy (MSA) does not alter alpha-synuclein messenger RNA (mRNA) levels in the brain. This suggests that the alpha-synuclein gene

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • Multiple system atrophy (MSA) is a neurodegenerative disorder.
  • Alpha-synuclein is a protein implicated in neurodegenerative diseases.
  • The role of alpha-synuclein gene expression in MSA pathogenesis is not fully understood.

Purpose of the Study:

  • To investigate the expression levels of alpha-synuclein messenger RNA (mRNA) in the brains of individuals with MSA.
  • To determine if altered alpha-synuclein mRNA levels are associated with MSA.

Main Methods:

  • Quantitative reverse transcription polymerase chain reaction (qRT-PCR) was used to measure alpha-synuclein mRNA.
  • Postmortem brain samples from 11 MSA cases and 14 age-matched controls were analyzed.
  • Brain tissue included gray and white matter from frontal, temporal, and occipital lobes.

Main Results:

  • No significant difference in alpha-synuclein mRNA expression levels was found between MSA cases and control subjects.
  • Alpha-synuclein mRNA levels were consistent across different brain regions (frontal, temporal, occipital lobes).

Conclusions:

  • The findings suggest that transcriptional regulation of the alpha-synuclein gene is not significantly affected in MSA brains.
  • Altered alpha-synuclein mRNA expression is unlikely to be a primary driver of MSA pathogenesis.

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