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Dopamine receptors are a class of G protein-coupled receptors that are prominent in the vertebrate central nervous system (CNS) and are implicated in many neurological processes, including motivational and incentive salience, cognition, memory, learning, and fine motor control, as well as modulation of neuroendocrine signaling.
Non-ergoline dopamine receptor agonists have higher binding affinity to dopamine D 3-receptors than dopamine D 2-receptors. This binding affinity is related to D 2 and D 3 receptor homology, the homology between them has a high degree of sequence and is closest in their transmembrane domains, were they share around 75% of the amino acid.
These agents stimulate dopamine receptors. ... Dopamine agonist; List of dopaminergic drugs; 0–9. 2-OH-NPA; ... a non-profit organization.
Mephentermine is thought to act as a releasing agent of norepinephrine and dopamine. [4] It is described as an indirectly acting sympathomimetic, cardiac stimulant, adrenergic, vasoconstrictor, antihypotensive agent, and psychostimulant. [1] [2] [8] [4] Its sympathomimetic effects are mediated by indirect activation of α-and β-adrenergic ...
Modafinil is a drug that helps keep people awake and alert (wakefulness-promoting agent or "eugeroic"). [ 1 ] [ 2 ] Most of the listed modafinil analogues are drugs that specifically target dopamine reuptake (reabsorption of a neurotransmitter by a neurotransmitter transporter ) with stronger effects ( selective DRIs with improved potency ...
Donepezil, sold under the brand name Aricept among others, is a medication used to treat dementia of the Alzheimer's type. [3] [4] [8] It appears to result in a small benefit in mental function and ability to function. [9] Use, however, has not been shown to change the progression of the disease. [10] Treatment should be stopped if no benefit ...
The drug is a centrally permeable monoamine precursor and prodrug of dopamine and hence acts as a dopamine receptor agonist. [3] Chemically, levodopa is an amino acid, a phenethylamine, and a catecholamine. [3] Levodopa was first synthesized and isolated in the early 1910s. [3] The antiparkinsonian effects of levodopa were discovered in the ...
Other dopaminergic drugs that have been used or suggested in the treatment of disorders of diminished motivation include rasagiline (a selective monoamine oxidase B (MAO-B) inhibitor; but see more below), tolcapone (a centrally-acting catechol-O-methyltransferase (COMT) inhibitor), and amantadine (an indirectly acting dopaminergic agent that ...