ADRA2A

(redirected from alpha-2-adrenergic receptor, platelet type)

ADRA2A

A gene on chromosome 10q24-q26 that encodes alpha-2A-adrenergic receptor, a member of the G protein-coupled receptor superfamily, which plays a critical role in regulating neurotransmitter release from sympathetic nerves and from adrenergic neurons in the CNS, smooth muscle contraction and thermoregulation.
 
ADRA2A agonists
Oxymetazoline > clonidine > epinephrine > norepinephrine > phenylephrine > dopamine > p-synephrine > p-tyramine > serotonin = p-octopamine.
 
ADRA2A antagonists
Yohimbine > phentolamine = mianserine > chlorpromazine = spiperone = prazosin > propanolol > alprenolol = pindolol.
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