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Alpha-2-adrenergic receptors are members of the G protein-coupled receptor superfamily. They include 3 highly homologous subtypes: alpha2A, alpha2B, and alpha2C. These receptors have a critical role in regulating neurotransmitter release from sympathetic nerves and from adrenergic neurons in the central nervous system. The mouse studies revealed that both the alpha2A and alpha2C subtypes were required for normal presynaptic control of transmitter release from sympathetic nerves in the heart and from central noradrenergic neurons. The alpha2A subtype inhibited transmitter release at high stimulation frequencies, whereas the alpha2C subtype modulated neurotransmission at lower levels of nerve activity. This gene encodes the alpha2C subtype, which contains no introns in either its coding or untranslated sequences.
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Protein Aliases: Adra 2c; adrenergic, alpha-2C-, receptor; Alpha 2CAR; Alpha-2 adrenergic receptor subtype C4; Alpha-2C adrenergic receptor; Alpha-2C adrenoceptor; Alpha-2C adrenoreceptor; alpha-2C-adrenergic receptor; Alpha-2C-AR; alpha-2CAR; alpha2 AR C4; alpha2 C4; alpha2-AR-C4; subtype alpha2-C4
Gene Aliases: [a]2C; Adra-2c; ADRA2C; ADRA2L2; ADRA2RL2; ADRARL2; alpha2-C4; alpha2C; ALPHA2CAR
Molecular Function: G-protein coupled receptor