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FAUC50
FAUC50 is a covalent agonist of the β2 adrenoceptor. It has been used as a template to form covalent agonists for other receptors. References Dopamine agonists Irreversible agonists {{nervous-system-drug-stub ...
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Irreversible Agonist
An irreversible agonist is a type of agonist that binds permanently to a receptor in such a manner that the receptor is permanently activated. It is distinct from a mere (reversible) agonist in that the association of an agonist to a receptor is reversible, whereas the binding of an irreversible agonist to a receptor is, at least in theory, irreversible. Oxymorphazone is an example of an irreversible agonist. In practice, the distinction may be more a matter of degree, in which the binding affinity of an irreversible agonist is some orders of magnitude greater than that of an agonist. Examples * Oxymorphazone * Metaphit See also * Agonist * Irreversible antagonist An irreversible antagonist is a type of antagonist that binds permanently to a receptor, either by forming a covalent bond to the active site, or alternatively just by binding so tightly that the rate of dissociation is effectively zero at rele ... * Irreversible enzyme inhibitor References Receptor ...
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Beta-2 Adrenergic Receptor
The beta-2 adrenergic receptor (β2 adrenoreceptor), also known as ADRB2, is a cell membrane-spanning beta-adrenergic receptor 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 ... that binds epinephrine (adrenaline), a hormone and neurotransmitter whose signaling, via adenylate cyclase stimulation through trimeric Gs proteins, increased Cyclic adenosine monophosphate, cAMP, and downstream L-type calcium channel interaction, mediates physiologic responses such as smooth muscle relaxation and bronchodilation. Robert J.Lefkowitz and Brian Kobilka studied beta 2 adrenergic receptor as a model system which rewarded them the 2012 Nobel Prize in Chemistry “for groundbreaking discoveries that reveal the inner workings of an important family of such receptors: G-protein-coupled-receptors†...
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Dopamine Agonists
A dopamine agonist (DA) is a compound that activates dopamine receptors. There are two families of dopamine receptors, D2-like and D1-like, and they are all G protein-coupled receptors. D1- and D5-receptors belong to the D1-like family and the D2-like family includes D2, D3 and D4 receptors. Dopamine agonists are primarily used to treat Parkinson's disease. They are also used, to a far lesser extent, in treating hyperprolactinemia and restless legs syndrome. They are not intended for treatment of clinical depression, and studies have shown severe detrimental side effects resulting from off-label use of dopamine agonists in treating depression, particularly in their tendency to produce impulse control disorders and extreme cases of withdrawal syndrome. Medical uses Parkinson's disease Dopamine agonists are mainly used in the treatment of Parkinson's disease.  The cause of Parkinson's is not fully known but genetic factors, for example specific genetic mutations, and environment ...
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