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Related Experiment Videos

Spinal cord transcriptome analysis using suppression subtractive hybridization and mirror orientation selection.

Kanan B Lathia1, Zhi Yan, Patric A Clapshaw

  • 1Solomon Park Research Institute, Kirkland, Washington, USA.

Cellular and Molecular Neurobiology
|April 19, 2006
PubMed
Summary
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Researchers identified 60 differentially expressed genes in the spinal cord compared to the visual cortex. Many of these genes are related to myelin and neuron survival, offering insights into central nervous system function.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • Gene expression profiling is crucial for understanding tissue-specific functions.
  • The spinal cord and visual cortex have distinct cellular compositions and roles.
  • Subtractive hybridization techniques enable the identification of differentially expressed genes.

Purpose of the Study:

  • To identify genes with differential expression between the spinal cord and visual cortex.
  • To characterize the functions of up-regulated genes in the spinal cord.
  • To explore genes potentially involved in neuron survival and apoptosis.

Main Methods:

  • Differential gene expression analysis using cDNA libraries.
  • Forward and reverse subtractive hybridization techniques, including suppression subtractive hybridization (SSH) and mirror orientation selection (MOS).

Related Experiment Videos

  • Sequence analysis and cataloguing of differentially expressed genes.

    • Main Results:

    • Catalogued 60 differentially expressed genes in the spinal cord.
    • Nearly half of up-regulated genes are related to myelin.
    • Proteolipid protein and ferritin heavy chain were among the highly up-regulated genes, with roles in oligodendroglial cells and potential neuron survival.
    • Identified genes like proteolipid protein, N-myc down-regulated gene 4, ferritin, and transferrin linked to neuron survival and apoptosis regulation.

    Conclusions:

    • The spinal cord exhibits unique gene expression patterns compared to the visual cortex, particularly involving myelin-related genes.
    • Several identified genes, including proteolipid protein and ferritin, play significant roles in central nervous system function, neuron survival, and apoptosis modulation.
    • This study provides a valuable gene catalogue for further investigation into spinal cord biology and neurological disorders.