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Related Experiment Videos

Transcriptome analysis in primary neural stem cells using a tag cDNA amplification method.

Maria Sievertzon1, Valtteri Wirta, Alex Mercer

  • 1Department of Biotechnology, Royal Institute of Technology, AlbaNova University Center, KTH Genome Center, S-106 91 Stockholm, Sweden. maria.sievertzon@biotech.kth.se

BMC Neuroscience
|April 19, 2005
PubMed
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Neural stem cell (NSC) neurospheres show high gene expression variability between separate cultures. However, parallel cultures from the same isolation and passage are similar enough for gene expression analysis.

Area of Science:

  • Neuroscience
  • Stem Cell Biology
  • Genomics

Background:

  • Neural stem cells (NSCs) are isolated from the adult mammalian brain and cultured as neurospheres.
  • Neurospheres serve as an in vitro model for studying NSC behavior, proliferation, and differentiation.
  • They hold potential for central nervous system cell replacement therapies.

Purpose of the Study:

  • To investigate gene expression profiles of neurospheres.
  • To assess variability in gene expression due to different isolation and passage methods.
  • To determine the suitability of neurospheres for comparative gene expression analysis.

Main Methods:

  • Utilized cDNA microarrays and tag cDNA amplification.
  • Analyzed gene expression profiles of neurospheres from adult mouse lateral ventricle wall.

Related Experiment Videos

  • Compared gene expression across separate isolations and consecutive passages.

    • Main Results:

    • Separate neurosphere isolations and consecutive passages exhibited high gene expression variability.
    • Parallel cultures demonstrated the lowest gene expression variability.
    • The amplification strategy showed low technical variability.

    Conclusions:

    • Neurospheres from the same isolation and passage demonstrate sufficient similarity for comparative gene expression studies.
    • This finding supports the use of standardized neurosphere cultures in research.
    • Highlights the importance of controlling for isolation and passage variables in neurosphere gene expression studies.