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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]
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 .
An adrenergic agonist is a drug that stimulates a response from the adrenergic receptors. The five main categories of adrenergic receptors are: α 1 , α 2 , β 1 , β 2 , and β 3 , although there are more subtypes, and agonists vary in specificity between these receptors, and may be classified respectively.
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.
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]
152 11553 Ensembl ENSG00000184160 ENSMUSG00000045318 UniProt P18825 Q01337 RefSeq (mRNA) NM_000683 NM_007418 RefSeq (protein) NP_000674 NP_031444 Location (UCSC) Chr 4: 3.77 – 3.77 Mb Chr 5: 35.44 – 35.44 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse The alpha-2C adrenergic receptor (α 2C adrenoceptor), also known as ADRA2C, is an alpha-2 adrenergic receptor, and also denotes ...
There are several types of adrenergic receptors which are identified by their differing sensitivities to various drugs. Neurons in the central nervous system contain α1- and α2-adrenergic receptors and β1- and β2-adrenergic receptors. [5] All four kinds of receptors are also found in the various organs of the body aside from the brain.