Gene Symbol: Chrnb1
Description: cholinergic receptor nicotinic beta 1 subunit
Alias: Acrb, RNACRB1, nAChR, acetylcholine receptor subunit beta, Acetylcholine receptor beta, cholinergic receptor nicotinic beta polypeptide 1, cholinergic receptor, nicotinic beta 1, cholinergic receptor, nicotinic, beta 1 (muscle), cholinergic receptor, nicotinic, beta polypeptide 1 (muscle), n acetylcholine receptor
Species: rat
Products:     Chrnb1

Top Publications

  1. Lou X, Ma J, Payne T, Beuten J, Crew K, Li M. Gene-based analysis suggests association of the nicotinic acetylcholine receptor beta1 subunit (CHRNB1) and M1 muscarinic acetylcholine receptor (CHRM1) with vulnerability for nicotine dependence. Hum Genet. 2006;120:381-9 pubmed
    ..SNPs) in the muscarinic cholinergic receptor subtype M1 (CHRM1) and nicotinic cholinergic receptor beta1 (CHRNB1), respectively, to determine the association of the two genes with ND in a total of 2,037 subjects from 602 ..
  2. Rasoulpour R, Ellis Hutchings R, Terry C, Millar N, Zablotny C, Gibb A, et al. A novel mode-of-action mediated by the fetal muscle nicotinic acetylcholine receptor resulting in developmental toxicity in rats. Toxicol Sci. 2012;127:522-34 pubmed publisher rats had a single MoA induced by sulfoxaflor agonism on the fetal rat muscle nicotinic acetylcholine receptor (nAChR)...
  3. Witzemann V, Chevessier F, Pacifici P, Yampolsky P. The neuromuscular junction: selective remodeling of synaptic regulators at the nerve/muscle interface. Mech Dev. 2013;130:402-11 pubmed publisher
    ..The results show that detailed analysis of mouse models will help to understand the complexity in mechanisms that regulate synaptic remodeling. ..
  4. Witzemann V, Stein E, Barg B, Konno T, Koenen M, Kues W, et al. Primary structure and functional expression of the alpha-, beta-, gamma-, delta- and epsilon-subunits of the acetylcholine receptor from rat muscle. Eur J Biochem. 1990;194:437-48 pubmed
    ..Thus in rat skeletal muscle the motor nerve regulates the expression of two functionally different AChR subtypes with different molecular composition by the differential expression of subunit-specific mRNAs. ..
  5. Gu Y, Franco A, Gardner P, Lansman J, Forsayeth J, Hall Z. Properties of embryonic and adult muscle acetylcholine receptors transiently expressed in COS cells. Neuron. 1990;5:147-57 pubmed
    ..Thus, some, but not all, of the differences between AChRs at adult endplates and those in the extrasynaptic membrane can be explained by the difference in subunit composition of gamma- and epsilon-AChRs. ..
  6. Gomez C, Maselli R, Gammack J, Lasalde J, Tamamizu S, Cornblath D, et al. A beta-subunit mutation in the acetylcholine receptor channel gate causes severe slow-channel syndrome. Ann Neurol. 1996;39:712-23 pubmed
  7. Keller S, Lindstrom J, Taylor P. Involvement of the chaperone protein calnexin and the acetylcholine receptor beta-subunit in the assembly and cell surface expression of the receptor. J Biol Chem. 1996;271:22871-7 pubmed
    ..Thus, calnexin appears to associate with the individual nascent subunits, thereby facilitating their assembly into the mature pentameric receptor. ..
  8. Engel A, Ohno K, Milone M, Wang H, Nakano S, Bouzat C, et al. New mutations in acetylcholine receptor subunit genes reveal heterogeneity in the slow-channel congenital myasthenic syndrome. Hum Mol Genet. 1996;5:1217-27 pubmed
    ..The safety margin of neuromuscular transmission is compromised by AChR loss from the junctional folds and by a depolarization block owing to temporal summation of prolonged end plate potentials at physiologic rates of stimulation. ..
  9. Phillips H, Favre I, Kirkpatrick M, Zuberi S, Goudie D, Heron S, et al. CHRNB2 is the second acetylcholine receptor subunit associated with autosomal dominant nocturnal frontal lobe epilepsy. Am J Hum Genet. 2001;68:225-31 pubmed
    ..CHRNB2 is a new gene for idiopathic epilepsy, the second acetylcholine receptor subunit implicated in ADNFLE. ..

Scientific Experts

More Information


  1. Marchand S, Devillers Thiery A, Pons S, Changeux J, Cartaud J. Rapsyn escorts the nicotinic acetylcholine receptor along the exocytic pathway via association with lipid rafts. J Neurosci. 2002;22:8891-901 pubmed
    ..These data also raise the interesting hypothesis of the participation of the raft machinery in the targeting of signaling molecules to synaptic sites. ..
  2. Albuquerque E, Pereira E, Alkondon M, Rogers S. Mammalian nicotinic acetylcholine receptors: from structure to function. Physiol Rev. 2009;89:73-120 pubmed publisher
    ..nAChRs), and the discovery of alpha-bungarotoxin, a snake toxin that binds pseudo-irreversibly to the muscle nAChR, resulted in the muscle nAChR being the best characterized ligand-gated ion channel hitherto...