Isolation of single immunohistochemically identified whole neuronal cell bodies from post-mortem human brain for simultaneous analysis of multiple gene expression

Janet E. Cheetham, Paul Coleman, Nienwen Chow

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In Alzheimer's disease (AD), one cell in the brain may clearly be affected, while an adjacent cell appears healthy or unaffected. Previous technology has allowed us to examine one message at a time, at the level of a single cell (in situ hybridization, ISH), or multiple messages in a heterogeneous population of cells (Northern analysis). We have developed a methodology to build up a profile of multiple mRNA expression in single, whole, post-mortem cells that have been immunohistochemically (IHC) characterized. Fresh post-mortem tissue is spread into a layer one cell thick and fixed. Neurons are identified using an antibody to neurofilament and isolated using a micropipette. The mRNA is reverse transcribed and PCR carried out to confirm that material is present. A radioactively labeled antisense aRNA probe, which is representative of the messages contained in the cell is then amplified. This aRNA is used as a probe for a reverse Northern blot, allowing us to profile many genes from one cell at the same time. This technology has the potential to be applied to a wide variety of diseases encompassing many different cell types.

Original languageEnglish (US)
Pages (from-to)43-48
Number of pages6
JournalJournal of Neuroscience Methods
Volume77
Issue number1
DOIs
StatePublished - Nov 7 1997
Externally publishedYes

Fingerprint

Gene Expression
Brain
Technology
Cell Body
Messenger RNA
Intermediate Filaments
Northern Blotting
In Situ Hybridization
Alzheimer Disease
Neurons
Polymerase Chain Reaction
Antibodies
Population
Genes

Keywords

  • Alzheimer's disease
  • Antisense RNA
  • Dot blot hybridization
  • Hippocampus
  • Immunohistochemistry
  • Neuron

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

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