Gene: CHRNB4

Alternate names for this Gene: -

Gene Summary: This gene is found within a conserved gene cluster and encodes one of the beta subunits of the nicotinic acetylcholine receptor (nAChRs) superfamily which form ligand-gated ion channels with a central pore that forms a cation channel. Neuronal nAChRs are pentameric structures that can be either homomeric or heteromeric, with heteromeric structures containing both alpha and beta subunits. Each subunit contains an extracellular amino terminus and four transmembrane domains. Nicotine is one of the agonists that binds to the receptor. Variants in this gene have been associated with nicotine dependence and lung cancer. Alternative splicing results in multiple transcript variants encoding different isoforms.

Gene is located in Chromosome: 15

Location in Chromosome : 15q25.1

Description of this Gene: cholinergic receptor nicotinic beta 4 subunit

Type of Gene: protein-coding

Gene: LOC105370913

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Gene: LOC112268142

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rs11072792 in CHRNB4;LOC105370913;LOC112268142 gene and Forced expiratory volume function PMID 26634245 2015 A genome-wide association study identifies risk loci for spirometric measures among smokers of European and African ancestry.

rs11072793 in CHRNB4;LOC105370913;LOC112268142 gene and Malignant neoplasm of lung PMID 22899653 2012 Influence of common genetic variation on lung cancer risk: meta-analysis of 14 900 cases and 29 485 controls.

rs11072793 in CHRNB4;LOC105370913;LOC112268142 gene and Smoking Behaviors PMID 20418888 2010 Sequence variants at CHRNB3-CHRNA6 and CYP2A6 affect smoking behavior.

rs11072792 in CHRNB4;LOC105370913;LOC112268142 gene and response to bronchodilator PMID 26634245 2015 A genome-wide association study identifies risk loci for spirometric measures among smokers of European and African ancestry.