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Numerous clinical trials have been performed to assess the use of dopamine agonists for the treatment of restless legs syndrome (RLS). RLS is identified by the strong urge to move and is a dopamine-dependent disorder. RLS symptoms decrease with the use of drugs that stimulate dopamine receptors and increase dopamine levels, such as dopamine ...
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.
This area contains a large population of type D 2 dopamine receptors. [129] Consequently, drugs that activate D 2 receptors have a high potential to cause nausea. [129] This group includes some medications that are administered for Parkinson's disease, as well as other dopamine agonists such as apomorphine. [130]
It is unclear if dopamine is safe to use during pregnancy or breastfeeding. [4] 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]
Cabergoline is a long-acting dopamine D 2 receptor agonist. In-vitro rat studies show a direct inhibitory effect of cabergoline on the prolactin secretion in the lactotroph cells of the pituitary gland and cabergoline decreases serum prolactin levels in reserpinized rats.
Bromocriptine, originally marketed as Parlodel and subsequently under many brand names, [1] is an ergoline derivative and dopamine agonist that is used in the treatment of pituitary tumors, Parkinson's disease, hyperprolactinaemia, neuroleptic malignant syndrome, and, as an adjunct, type 2 diabetes.
Chemistry, not moral failing, accounts for the brain’s unwinding. In the laboratories that study drug addiction, researchers have found that the brain becomes conditioned by the repeated dopamine rush caused by heroin. “The brain is not designed to handle it,” said Dr. Ruben Baler, a scientist with the National Institute on Drug Abuse.
These agents stimulate dopamine receptors. In doing so, they alleviate the symptoms associated with Parkinson's disease . Wikimedia Commons has media related to Dopamine agonists .