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1: Genomics. 1992 Nov;14(3):745-8.Click here to read Links

Confirmation of the localization of the human GABAA receptor alpha 1-subunit gene (GABRA1) to distal 5q by linkage analysis.

Johnson KJ, Sander T, Hicks AA, van Marle A, Janz D, Mullan MJ, Riley BP, Darlison MG.

Department of Biochemistry and Molecular Genetics, St. Mary's Hospital Medical School, Imperial College, London, United Kingdom.

The GABAA receptor is the major inhibitory neurotransmitter receptor in the mammalian brain. To date, 14 genes that encode subunits of this receptor have been identified; these appear to be scattered throughout the human genome and are under investigation as candidate loci for a number of neurological and psychiatric disorders. We report here a highly polymorphic (dC-dA)n repeat within the human alpha 1-subunit gene (GABRA1). Typing of this marker in the Centre d'Etude du Polymorphisme Humain (CEPH) panel of families confirms the previous assignment of the GABRA1 locus to the distal portion of chromosome 5q by demonstrating linkage to the markers CRI-L45 (D5S61) (Zmax = 11.00, theta max = 0.15), CRI-V1022 (D5S54) (Zmax = 7.25, theta max = 0.20), and CRI-P148 (D5S72) (Zmax = 5.71, theta max = 0.24).

PMID: 1330891 [PubMed - indexed for MEDLINE]