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This is a list of dopaminergic drugs. These are pharmaceutical drugs , naturally occurring compounds and other chemicals that influence the function of the neurotransmitter dopamine . Dopamine receptor ligands
At low doses dopamine mainly triggers dopamine receptors and β1-adrenergic receptors while at high doses it works via α-adrenergic receptors. [4] Dopamine was first synthesized in a laboratory in 1910 by George Barger and James Ewens in England. [8] It is on the World Health Organization's List of Essential Medicines. [9]
Dopamine (DA, a contraction of 3,4-dihydroxyphenethylamine) is a neuromodulatory molecule that plays several important roles in cells. It is an organic chemical of the catecholamine and phenethylamine families. Dopamine constitutes about 80% of the catecholamine content in the brain.
The dopamine receptors are members of the G protein-coupled receptors superfamily with seven transmembrane domains. Dopamine receptors have five subtypes, D 1 through D 5, the subtypes can be divided into two subclasses due to their mechanism of action on adenylate cyclase enzyme, D 1-like receptors (D 1 and D 5) and D 2-like receptors (D 2, D ...
A dopamine reuptake inhibitor (DRI) is a class of drug which acts as a reuptake inhibitor of the monoamine neurotransmitter dopamine by blocking the action of the dopamine transporter (DAT). Reuptake inhibition is achieved when extracellular dopamine not absorbed by the postsynaptic neuron is blocked from re-entering the presynaptic neuron.
l-DOPA is the precursor to the neurotransmitters dopamine, norepinephrine (noradrenaline), and epinephrine (adrenaline), which are collectively known as catecholamines. Furthermore, l-DOPA itself mediates neurotrophic factor release by the brain and CNS.
Droxidopa is a prodrug of norepinephrine used to increase the concentrations of these neurotransmitters in the body and brain. [4] It is metabolized by aromatic L-amino acid decarboxylase (AAAD), also known as DOPA decarboxylase (DDC).
Dose failure (drug resistance) Dyskinesia at peak dose (levodopa-induced dyskinesia) Possible dopamine dysregulation: The long-term use of levodopa in Parkinson's disease has been linked to the so-called dopamine dysregulation syndrome. [19] Rapidly decreasing the dose of levodopa can result in neuroleptic malignant syndrome.