Expression of glutamic acid decarboxylase during human neuronal differentiation: Studies using the NTera-2 culture system

Akira Yoshioka, Marc Yudkoff, David E Pleasure

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Human NTera-2N neurons, but not the parental NTera-2 teratocarcinoma line, decarboxylate [2-15N]glutamine to form γ-[15N]amino-butyric acid (GABA). The reverse transcriptase-polymerase chain reaction (RT-PCR) followed by Southern blotting showed that NTera-2N neurons transcribe the glutamic acid decarboxylase p67 (GAD67) gene, and also demonstrated that there is developmentally regulated alternative splicing of GAD67 mRNA in NTera-2N neurons. As in rat central nervous system (CNS), this mRNA processing generates two RNA transcripts, owing to the inclusion or exclusion of an approximately 80 bp coding region insert. In embryonic day 16 (E16) rat brain, the larger of the two GAD67 mRNAs, which encodes a truncated, inactive apoenzyme, reaches a concentration almost equal to that of the smaller transcript, which encodes functional GAD67. In developing NTera-2N neurons, however, the larger transcript is barely detectable by RT-PCR. RT- PCR also revealed that rat CNS of all ages examined contains GAD65 mRNA, and that GAD65 mRNA is below the detectable range in NTera-2N neurons.

Original languageEnglish (US)
Pages (from-to)333-339
Number of pages7
JournalBrain Research
Volume767
Issue number2
DOIs
StatePublished - Sep 5 1997
Externally publishedYes

Fingerprint

Glutamate Decarboxylase
Neurons
Messenger RNA
Reverse Transcriptase Polymerase Chain Reaction
Central Nervous System
Teratocarcinoma
Apoenzymes
Butyric Acid
Alternative Splicing
Southern Blotting
Glutamine
gamma-Aminobutyric Acid
RNA
Polymerase Chain Reaction
Brain
Genes

Keywords

  • γ-aminohutyric acid
  • Alternative splicing
  • Glutamic acid decarboxylase
  • Neuron
  • Reverse transcriptase-polymerase chain reaction

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Expression of glutamic acid decarboxylase during human neuronal differentiation : Studies using the NTera-2 culture system. / Yoshioka, Akira; Yudkoff, Marc; Pleasure, David E.

In: Brain Research, Vol. 767, No. 2, 05.09.1997, p. 333-339.

Research output: Contribution to journalArticle

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