Dopamine is one of a class of neurotransmitters known as catecholamines. A neurotransmitter is a chemical messenger released from a presynaptic nerve cell or neuron at its terminal into a synapse. A synapse is a narrow gap between the terminal of a...
Dopamine (DA) is a catecholamine according to its chemical structure and a neurotransmitter of special importance for drug addiction. DA is a decarboxylated form of dopa (an amino acid) found especially in the basal ganglia. Chemically known as 3, 4...
Dopamine is a hormone and neurotransmitter occurring in a wide variety of animals, including both vertebrates and invertebrates. In chemical structure, it is a phenethylamine. In the brain, dopamine functions as a neurotransmitter, activating the five...
SPECIAL REPORT Hair loss in Parkinson's patients traced to agonists New York - Dopamine agonists commonly prescribed to treat Parkinson's disease can cause alopecia, according to a recent study. Parkinson's affects about 1.5 million Americans. Alessandro Di Rocco, M.D., associate professor...
How do you stop people taking cocaine? Illegality keeps it at bay a bit. It stops it being quite so freely available, but it makes it sexy, too. I wonder how much its illegal status really affects people's decision whether to take it...
Abstract Drugs that act to increase dopamine activity are the mainstay of pharmacologic treatment for restless legs syndrome (RLS), a sensomotor disorder that usually manifests as an urge to move the legs, with or without other uncomfortable sensations. Pramipexole, a nonergot-derived dopamine agonist previously...
Concern over possible valvulopathy with the use of certain ergot-derived dopamine agonists is further supported by 2 studies published in The New England Journal of Medicine (NEJM) regarding the incidence of cardiac-valve regurgitation in patients taking these types of drugs, which are FDA-approved to treat...
