Cloning and identification of differentially expressed transcripts in primary culture of GABAergic neurons

Zhi Li, Qiang Li, Chun Xiao Sun, Leif Hertz, Albert Cheung Hoi Yu

Research output: Contribution to journalArticle

Abstract

A RNA based arbitrarily primed polymerase chain reaction (RAP-PCR) was used to identify differentially expressed transcripts in primary cultures of cerebral cortical neurons prepared from E16 mouse cerebral cortex. The majority of neurons found in this culture preparation are known to be GABAergic. Different primer combinations were used, and the PCR products were separated on PAGE. Visualization by silver staining revealed a high resolution RNA fingerprint pattern with a total of about 200 transcripts. Six differentially expressed cDNA fragments were recovered, cloned and sequenced. The results of a NCBI database search showed that 6 clones were highly homologous to known genes and expressed sequence tags (ESTs), and that they were either up-regulated or down-regulated during development. Among these clones, Clone 3.1.7 shared 99% sequence homology to mouse Reelin, a neuronal migration and positioning related protein. Clone 4.6.2 shared 91% homology to Rat prepro bone morphogenetic protein-3 mRNA. Clone 6.10.2 had 90% homology to a novel orphan gene of calcium-independent alphalatrotoxin receptor, which stimulates presynaptic neurotransmitter release. Northern blot analysis confirmed the up-regulated expression profile of Clone 6.10.2 in neuron from Day 2 to 7 during stages of differentiation and development.

Original languageEnglish (US)
Pages (from-to)1101-1105
Number of pages5
JournalNeurochemical Research
Volume26
Issue number10
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

GABAergic Neurons
Cloning
Neurons
Organism Cloning
Clone Cells
Bone Morphogenetic Protein 3
Genes
RNA
Polymerase chain reaction
Expressed Sequence Tags
Silver
Neurotransmitter Agents
Rats
Visualization
Complementary DNA
Calcium
Polymerase Chain Reaction
Messenger RNA
Silver Staining
Dermatoglyphics

Keywords

  • Development
  • ESTs
  • Gene discovery
  • Neurons
  • RAP-PCR

ASJC Scopus subject areas

  • Neuroscience(all)
  • Biochemistry

Cite this

Cloning and identification of differentially expressed transcripts in primary culture of GABAergic neurons. / Li, Zhi; Li, Qiang; Xiao Sun, Chun; Hertz, Leif; Yu, Albert Cheung Hoi.

In: Neurochemical Research, Vol. 26, No. 10, 2001, p. 1101-1105.

Research output: Contribution to journalArticle

Li, Zhi ; Li, Qiang ; Xiao Sun, Chun ; Hertz, Leif ; Yu, Albert Cheung Hoi. / Cloning and identification of differentially expressed transcripts in primary culture of GABAergic neurons. In: Neurochemical Research. 2001 ; Vol. 26, No. 10. pp. 1101-1105.
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