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Related Experiment Videos

Gene expression profiling in the post-mortem human brain--no cause for dismay.

S Bahn1, S J Augood, M Ryan

  • 1Department of Neurobiology, Babraham Institute, CB2 4AT, Cambridge, UK. sabine.bahn@bbsrc.ac.uk

Journal of Chemical Neuroanatomy
|July 27, 2001
PubMed
Summary

High-quality post-mortem brain tissue is crucial for understanding complex brain disorders like schizophrenia using advanced molecular profiling. Techniques like laser-capture microdissection enable single-neuron analysis for precise genetic comparisons.

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Area of Science:

  • Neuroscience
  • Genomics
  • Molecular Biology

Background:

  • Global expression profiling, including microarray technology, offers revolutionary insights into biological processes at the transcript level.
  • Complex neuropsychiatric disorders, such as schizophrenia, present significant challenges in understanding their pathological mechanisms.
  • Advances in molecular profiling have increased the demand for high-quality post-mortem human brain tissue.

Purpose of the Study:

  • To review the utility of post-mortem brain tissue for molecular profiling techniques.
  • To highlight the potential of laser-capture microdissection for single-cell analysis in post-mortem tissue.
  • To explore the application of novel profiling techniques in studying brain disorders.

Main Methods:

  • Assessment of mRNA quality and protein antigen integrity in post-mortem brain tissue.

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  • Application of traditional molecular biology methods and novel profiling techniques.
  • Utilizing laser-capture microdissection for single-cell molecular analysis.

    • Main Results:

    • Post-mortem brain tissue can yield high-quality mRNA and intact proteins suitable for molecular analysis.
    • Traditional and novel molecular profiling techniques can be successfully applied to post-mortem samples.
    • Laser-capture microdissection enables detailed molecular investigation at the single-cell level.

    Conclusions:

    • High-quality post-mortem brain tissue is a valuable resource for molecular profiling in neuroscience research.
    • The combination of laser-capture microdissection and high-throughput profiling offers precise genetic insights into neuronal function.
    • This approach facilitates comparisons between normal and pathological states in complex brain disorders.