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The adrenergic receptors or adrenoceptors are a class of G protein-coupled receptors that are targets of many catecholamines like norepinephrine (noradrenaline) and epinephrine (adrenaline) produced by the body, but also many medications like beta blockers, beta-2 (β 2) antagonists and alpha-2 (α 2) agonists, which are used to treat high ...
The alpha-2 (α 2) adrenergic receptor (or adrenoceptor) is a G protein-coupled receptor (GPCR) associated with the G i heterotrimeric G-protein. It consists of three highly homologous subtypes, including α 2A-, α 2B-, and α 2C-adrenergic. Some species other than humans express a fourth α 2D-adrenergic receptor as well. [1]
The alpha-adrenergic receptor has two subclasses α 1 and α 2. Alpha 2 receptors are associated with sympatholytic properties. Alpha-adrenergic agonists have the opposite function of alpha blockers. Alpha adrenoreceptor ligands mimic the action of epinephrine and norepinephrine signaling in the heart, smooth muscle and central nervous system ...
Beta 3 receptor is a G-protein coupled receptor, similar to beta-1 and beta-2 receptors. [7] The receptor is involved in G-as activation. [7] The receptor will also stimulate adenylyl cyclase. [7] Eventually, it will lead to effects like increase of tryptophan and 5-hydroxytryptamine level, increase of lipolysis in adipose tissue. [7]
The binding to these receptors by catecholamines will generally stimulate the sympathetic nervous system, the arm of the autonomic nervous system responsible for the fight-or-flight response. Adrenergic receptor autoantibodies are autoantibodies (antibodies directed against a person's own protein) targeting adrenergic receptors.
150 11551 Ensembl ENSG00000150594 ENSMUSG00000033717 UniProt P08913 Q01338 RefSeq (mRNA) NM_000681 NM_007417 RefSeq (protein) NP_000672 NP_031443 Location (UCSC) Chr 10: 111.08 – 111.08 Mb Chr 19: 54.03 – 54.04 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse The alpha-2A adrenergic receptor (α 2A adrenoceptor), also known as ADRA2A, is an α 2 -adrenergic receptor, and also ...
This is a table of neurotransmitter actions in the ANS (autonomic nervous system). It includes the circulatory system , the respiratory system , the visual system , the digestive system , the endocrine system , the urinary system , the reproductive system , and the integumentary system .
This is a list of adrenergic drugs. These are pharmaceutical drugs , naturally occurring compounds and other chemicals that influence the function of the neurotransmitter epinephrine (adrenaline). Receptor ligands