Cited by 255Amyotrophic Lateral Sclerosis ResearchHereditary Neurological DisordersAlzheimer's disease research and treatments

Gene expression profile of spinal motor neurons in sporadic amyotrophic lateral sclerosis

Jiang, Yue‐Mei, Yamamoto, Masahiko, Kobayashi, Yasushi, Yoshihara, Tsuyoshi, Liang, Yideng, Terao, Shinichi, Takeuchi, Hideyuki, Ishigaki, Shinsuke +8 more·2005·Annals of Neurology

Abstract

The causative pathomechanism of sporadic amyotrophic lateral sclerosis (ALS) is not clearly understood. Using microarray technology combined with laser-captured microdissection, gene expression profiles of degenerating spinal motor neurons isolated from autopsied patients with sporadic ALS were examined. Gene expression was quantitatively assessed by real-time reverse transcription polymerase chain reaction and in situ hybridization. Spinal motor neurons showed a distinct gene expression profile from the whole spinal ventral horn. Three percent of genes examined were downregulated, and 1% were upregulated in motor neurons. Downregulated genes included those associated with cytoskeleton/axonal transport, transcription, and cell surface antigens/receptors, such as dynactin, microtubule-associated proteins, and early growth response 3 (EGR3). In contrast, cell death-associated genes were mostly upregulated. Promoters for cell death pathway, death receptor 5, cyclins A1 and C, and caspases-1, -3, and -9, were upregulated, whereas cell death inhibitors, acetyl-CoA transporter, and NF-kappaB were also upregulated. Moreover, neuroprotective neurotrophic factors such as ciliary neurotrophic factor (CNTF), Hepatocyte growth factor (HGF), and glial cell line-derived neurotrophic factor were upregulated. Inflammation-related genes, such as those belonging to the cytokine family, were not, however, significantly upregulated in either motor neurons or ventral horns. The motor neuron-specific gene expression profile in sporadic ALS can provide direct information on the genes leading to neurodegeneration and neuronal death and are helpful for developing new therapeutic strategies.

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Crossref · 10.1002/ana.20379

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Authors
Jiang, Y., Yamamoto, M., Kobayashi, Y., Yoshihara, T., Liang, Y., Terao, S., Takeuchi, H., Ishigaki, S., Katsuno, M., Adachi, H., Niwa, J., Tanaka, F., Doyu, M., Yoshida, M., Hashizume, Y., & Sobue, G.
Affiliations
  • Nagoya University (JP)
  • Aichi Medical University (JP)
Venue
Annals of Neurology
Publisher
Wiley
Published
2005-01-24
Volume
57
Issue
2
Pages
236-251
ISSN
  • 0364-5134 (ISSN-L)
  • 1531-8249
OpenAlex
W2004508412
Cited by
255
References
53
Citations by year
2026: 3 · 2025: 10 · 2024: 7 · 2023: 9 · 2022: 13 · 2021: 6 · 2020: 7 · 2019: 7 · 2018: 8 · 2017: 9 · 2016: 12 · 2015: 8 · 2014: 12 · 2013: 13 · 2012: 20
FWCI
13.60
Type
journal article
Language
en
Open access
closed
Locations
  • Annals of Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Hereditary Neurological Disorders
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
sporadic ALS, spinal motoneurons, gene expression profiles, motor neuron degeneration, neuronal cell death, dynactin, microtubule-associated proteins, EGR3, axonal transport, neurotrophic factors, ciliary neurotrophic factor, hepatocyte growth factor, glial cell line-derived neurotrophic factor, NF-κB, caspases, neuroinflammation
MeSH terms
Adult, Aged, Aged, 80 and over, Amyotrophic Lateral Sclerosis, Anterior Horn Cells, Female, Humans, Immunohistochemistry, Lasers, Male, Middle Aged, Motor Neurons, Spinal Cord, In Situ Hybridization, DNA Primers, Reverse Transcriptase Polymerase Chain Reaction, Oligonucleotide Array Sequence Analysis, Gene Expression Profiling, Microdissection

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