Gamma-aminobutyric acid receptor subunit alpha-1

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Species	Human	Mouse
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Gamma-aminobutyric acid receptor subunit alpha-1 is a protein that in humans is encoded by the GABRA1 gene.

GABA is the major inhibitory neurotransmitter in the mammalian brain where it acts at GABA-A receptors, which are ligand-gated chloride channels. Chloride conductance of these channels can be modulated by agents such as benzodiazepines that bind to the GABA-A receptor. At least 16 distinct subunits of GABA-A receptors have been identified.

The GABRA1 receptor is the specific target of the z-drug class of nonbenzodiazepine hypnotic agents and is responsible for their hypnotic and hallucinogenic effects.

See also

• GABA_A receptor

Further reading

• Schofield PR, Pritchett DB, Sontheimer H, et al. (1989). "Sequence and expression of human GABAA receptor alpha 1 and beta 1 subunits". FEBS Lett. 244 (2): 361–4. doi:10.1016/0014-5793(89)80563-0. PMID 2465923.
• Garrett KM, Duman RS, Saito N, et al. (1988). "Isolation of a cDNA clone for the alpha subunit of the human GABA-A receptor". Biochem. Biophys. Res. Commun. 156 (2): 1039–45. doi:10.1016/S0006-291X(88)80949-5. PMID 2847710.
• Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
• Kang I, Lindquist DG, Kinane TB, et al. (1994). "Isolation and characterization of the promoter of the human GABAA receptor alpha 1 subunit gene". J. Neurochem. 62 (4): 1643–6. doi:10.1046/j.1471-4159.1994.62041643.x. PMID 8133292.
• Tögel M, Mossier B, Fuchs K, Sieghart W (1994). "gamma-Aminobutyric acidA receptors displaying association of gamma 3-subunits with beta 2/3 and different alpha-subunits exhibit unique pharmacological properties". J. Biol. Chem. 269 (17): 12993–8. PMID 8175718.
• Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, et al. (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
• Huang RQ, Dillon GH (1998). "Maintenance of recombinant type A gamma-aminobutyric acid receptor function: role of protein tyrosine phosphorylation and calcineurin". J. Pharmacol. Exp. Ther. 286 (1): 243–55. PMID 9655866.
• Serretti A, Macciardi F, Cusin C, et al. (1999). "No interaction of GABA(A) alpha-1 subunit and dopamine receptor D4 exon 3 genes in symptomatology of major psychoses". Am. J. Med. Genet. 88 (1): 44–9. doi:10.1002/(SICI)1096-8628(19990205)88:1<44::AID-AJMG8>3.0.CO;2-Y. PMID 10050966.
• Bonnert TP, McKernan RM, Farrar S, et al. (1999). "theta, a novel gamma-aminobutyric acid type A receptor subunit". Proc. Natl. Acad. Sci. U.S.A. 96 (17): 9891–6. doi:10.1073/pnas.96.17.9891. PMC 22306. PMID 10449790.
• Serretti A, Lilli R, Lorenzi C, et al. (1999). "Dopamine receptor D2 and D4 genes, GABA(A) alpha-1 subunit genes and response to lithium prophylaxis in mood disorders". Psychiatry Research. 87 (1): 7–19. doi:10.1016/S0165-1781(99)00056-6. PMID 10512150.
• Cossette P, Liu L, Brisebois K, et al. (2002). "Mutation of GABRA1 in an autosomal dominant form of juvenile myoclonic epilepsy". Nat. Genet. 31 (2): 184–9. doi:10.1038/ng885. PMID 11992121.
• Kumar S, Sieghart W, Morrow AL (2002). "Association of protein kinase C with GABA(A) receptors containing alpha1 and alpha4 subunits in the cerebral cortex: selective effects of chronic ethanol consumption". J. Neurochem. 82 (1): 110–7. doi:10.1046/j.1471-4159.2002.00943.x. PMID 12091471.
• Trudell J (2002). "Unique assignment of inter-subunit association in GABA(A) alpha 1 beta 3 gamma 2 receptors determined by molecular modeling". Biochim. Biophys. Acta. 1565 (1): 91–6. doi:10.1016/S0005-2736(02)00512-6. PMID 12225856.
• Sarto I, Wabnegger L, Dögl E, Sieghart W (2002). "Homologous sites of GABA(A) receptor alpha(1), beta(3) and gamma(2) subunits are important for assembly". Neuropharmacology. 43 (4): 482–91. doi:10.1016/S0028-3908(02)00160-0. PMID 12367595.
• Jenkins A, Andreasen A, Trudell JR, Harrison NL (2002). "Tryptophan scanning mutagenesis in TM4 of the GABA(A) receptor alpha1 subunit: implications for modulation by inhaled anesthetics and ion channel structure". Neuropharmacology. 43 (4): 669–78. doi:10.1016/S0028-3908(02)00175-2. PMID 12367612.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Kash TL, Jenkins A, Kelley JC, et al. (2003). "Coupling of agonist binding to channel gating in the GABA(A) receptor". Nature. 421 (6920): 272–5. doi:10.1038/nature01280. PMID 12529644.
• Lin SK, Chen CK, Ball D, et al. (2004). "Gender-specific contribution of the GABA(A) subunit genes on 5q33 in methamphetamine use disorder". Pharmacogenomics J. 3 (6): 349–55. doi:10.1038/sj.tpj.6500203. PMID 14569258.
• Mercik K, Pytel M, Mozrzymas JW (2004). "Recombinant alpha 1 beta 2 gamma 2 GABA(A) receptors expressed in HEK293 and in QT6 cells show different kinetics". Neurosci. Lett. 352 (3): 195–8. doi:10.1016/j.neulet.2003.08.060. PMID 14625018.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.