Summary: (from NCBI-Entrez) ..[read more]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
The adrenergic receptors mediate the physiological effects of the hormone epinephrine and the neurotransmitter norepinephrine, the latter is converted upon dopamine beta-hydroxylase.