ADRA2A

adrenoceptor alpha 2A

Pharmacogene

Summary

Alpha-2-adrenergic receptors are members of the G protein-coupled receptor superfamily. The alpha-2-adrenergic receptors are a type of adrenergic receptors (for adrenaline or epinephrine), which inhibit adenylate cyclase. These receptors include 3 highly homologous subtypes: alpha2A, alpha2B, and alpha2C. They are involved in regulating the release of neurotransmitter molecules from sympathetic nerves and from adrenergic neurons in the central nervous system. The sympathetic nervous system regulates cardiovascular function by activating adrenergic receptors in the heart, blood vessels and kidney. Studies in mouse revealed that both the alpha2A and alpha2C receptor subtypes were required for presynaptic transmitter release from the sympathetic nervous system in the heart and from central noradrenergic neurons. The alpha-2-adrenergic receptors are also involved in catecholamine signaling by extracellular regulated protein kinase 1 and 2 (ERK1/2) pathways. A clear association between the alpha-2-adrenergic receptor and disease has not been yet established. [provided by RefSeq, Sep 2019]

Known Variants36 total

rsidPosition (GRCh37)AllelesClassClinVar
rs52167410:112,835,590T/Aupstream gene variant—
rs180054410:112,836,503G/Cupstream gene variantlikely benign
rs3602282010:112,836,572A/G—likely benign
rs180054510:112,837,538G/Aregulatory region variant—
rs101726342610:112,837,759T/A—uncertain significance
rs77009562710:112,837,791T/C—uncertain significance
rs117840850710:112,837,857G/A—uncertain significance
rs99905082110:112,837,858G/A—uncertain significance
rs1241631310:112,837,979G/C—benign
rs77913497210:112,838,007C/T—uncertain significance
rs76806485210:112,838,052C/T—uncertain significance
rs77799589510:112,838,121A/C—uncertain significance
rs14243487610:112,838,135C/G—benign
rs145477570010:112,838,161T/C—uncertain significance
rs37318656410:112,838,217G/A—likely benign
rs19978328510:112,838,284C/T—uncertain significance
rs20059271310:112,838,337G/A—uncertain significance
rs20081449010:112,838,436A/G—uncertain significance
rs76295871310:112,838,454A/G—uncertain significance
rs75679794110:112,838,490C/G—uncertain significance
rs56658978010:112,838,550A/G—uncertain significance
rs136506911210:112,838,560G/A—uncertain significance
rs116445835210:112,838,620A/G—uncertain significance
rs184356622910:112,838,625G/A—uncertain significance
rs103880818710:112,838,648C/G—benign
rs89887553110:112,838,649G/A—uncertain significance
rs88659059710:112,838,656G/A—uncertain significance
rs184356787210:112,838,745C/G—uncertain significance
rs125823954410:112,838,815C/A—likely benign
rs76287084210:112,838,818C/T—uncertain significance
rs143188017210:112,838,826G/A—uncertain significance
rs97856779210:112,838,827G/A—uncertain significance
rs36921939710:112,839,127G/A—uncertain significance
rs54763113110:112,839,130G/A—uncertain significance
rs1119541910:112,839,368C/A3 prime UTR variant—
rs55366810:112,839,579A/G3 prime UTR variantpathogenic

Gene information from NCBI Gene. Variant classifications from ClinVar.