The GABA(A) receptor γ1-subunit in seizure prone (DBA/2) and resistant (C57BL/6) mice

Jia Bei Wang, Zhi Fang Liu, Paulo Kofuji, David R. Burt

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

γ-Aminobutyric acid (GABA)(A) receptors are the sites of action for many antiepileptic drugs such as benzodiazepines and barbiturates. We report the results of molecular cloning of the γ1-subunit from seizure prone DBA/2J and resistant C57BL/6J inbred mice, and analyses of nucleotide sequences and expression of the γ1-subunit messenger RNA (mRNA) in DBA/2 and C57BL/6 inbred mice. The mouse γ1-subunit complementary DNA (cDNA) shares 98% similarity with that of the rat at the level of amino acid sequence. Northern blot hybridization indicates that the γ1-subunit mRNA is expressed predominantly in areas other than the cerebral cortex and cerebellum and shows little change with postnatal development. No differences have been found for the subunit between DBA/2 and C57BL/6 mice either for nucleotide sequence or for level of expression of the subunit's mRNA in whole brain by Northern blots at 3 weeks of age.

Original languageEnglish (US)
Pages (from-to)421-425
Number of pages5
JournalBrain Research Bulletin
Volume45
Issue number4
DOIs
StatePublished - Mar 1 1998

Keywords

  • Alcohol
  • Development
  • Epilepsy
  • GABA/benzodiazepine receptor

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