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dopamine
dopamine
dopamine A
catecholamine that is a precursor in the synthesis of
noradrenaline and
adrenaline. It also functions as a neurotransmitter, especially in the brain.
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Dopamine fends off the zzzzz's: chemical helps sleep-deprived people stay awake.(Body & Brain)
Magazine article from: Science News; 9/13/2008; ; 700+ words
; ...in the brain is a real eye-opener. Dopamine, a feel-good brain chemical, helps...the Aug. 20 Journal of Neuroscience. Dopamine is also required for the activity of...scientists report in the same issue. "Dopamine has been a forgotten neurotransmitter...
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Dopamine helps us stay awake even when we feel sleepy
News Wire article from: The Hindustan Times; 8/20/2008; 700+ words
; ...can raise the amount of the chemical dopamine in the human brain, says a new imaging...stay awake despite the urge to sleep. Dopamine affects brain processes that control...Neuroscience. Because drugs that increase dopamine, like amphetamines, promote wakefulness...
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Dopamine Mimics the Cardioprotective Effect of Ischemic Preconditioning via Activation of [alpha]^sub 1^-Adrenoceptors in the Isolated Rat Heart
Magazine article from: Physiological Research; 1/1/2006; ; 700+ words
; ...pharmacological preconditioning with dopamine protects the heart against ischemia and...ischemia, or treated for 5 min with dopamine (1, 5 or 10 M) before being subjected...Treatment with the lower concentration of dopamine (1 M), did not provide any protection...
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Detecting subsecond dopamine release with fast-scan cyclic voltammetry in vivo
Magazine article from: Clinical Chemistry; 10/1/2003; ; 700+ words
; Background: Dopamine is a potent neuromodulator in the brain...diseases. Measurements of extracellular dopamine in the brains of experimental animals...timescale (minutes to hours). However, dopamine concentrations are now known to fluctuate...
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In vivo dopamine metabolism is altered in iron-deficient anemic rats
Magazine article from: The Journal of Nutrition; 12/1/1997; ; 700+ words
; In Vivo Dopamine Metabolism Is Altered in Iron-Deficient...Beard3 ABSTRACT Previous studies of dopamine metabolism in iron-deficient rats demonstrated...elevation in extraneuronal levels of dopamine and a depression in the number of dopamine...
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HIGH DOPAMINE TRANSPORTER LEVELS NOT CORRELATED WITH ATTENTION-DEFICIT HYPERACTIVITY DISORDER
News Wire article from: US Fed News Service, Including US State News; 11/29/2006; 700+ words
; ...the study found lower levels of these "dopamine transporter" proteins in certain brain...also found that for any given level of dopamine transporters in the brain, ADHD patients...subjects. "These results suggest that dopamine transporter levels alone cannot account...
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Current usage of dopamine in New Zealand intensive care units
Magazine article from: Anaesthesia and Intensive Care; 12/1/2001; ; 700+ words
; SUMMARY A nation-wide evaluation of dopamine usage in New Zealand Intensive Care Units...participated. Twenty-two ICUs (85%) use dopamine as an inotrope. Seventeen ICUs use dopamine for presumed selective renal effects at least...
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On the Wings of Dopamine; How a brain chemical stimulates euphoria
Newspaper article from: The Washington Post; 1/20/1998; ; 700+ words
; ...chemistry. And the primary ingredient is dopamine, a brain chemical that helps transmit...such as Parkinson's). These days dopamine's profile is on the rise as it has...consuming sizzle is part lust, part dopamine. "My prediction is that dopamine is...
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Motor effects of dopamine replacement: Taking the positive with the negative
Magazine article from: Journal of Neurologic Physical Therapy; 9/1/2003; ; 700+ words
; ABSTRACT Dopamine replacement, with levo-dopa, is the...disease (PD). Although the benefits of dopamine replacement on clinical rating scales...positive and negative motor effects of dopamine replacement and discusses the implications...
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Gain a Comprehensive Understanding of Dopamine Transporters With Contributions From Eminent Scientists in Chemistry, Biology, and Pharmacology.
M2 Presswire; 11/14/2008; 700+ words
; ...Gain a Comprehensive Understanding of Dopamine Transporters With Contributions From...researchandmarkets.com/research/1e14de/dopamine_transport) has announced the addition...John Wiley and Sons Ltd's new report "Dopamine Transporters : Chemistry, Biology...
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Dopamine
Encyclopedia entry from: The Gale Encyclopedia of Science
Dopamine Basic definitions and chemical information Dopamine and Parkinson disease Dopamine and schizophrenia Dopamine as heart medicine Dopamine and attention deficit hyperactivity disorder Dopamine and drug addiction Dopamine and aging Resources...
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Dopamine Receptor Agonists
Encyclopedia entry from: Gale Encyclopedia of Neurological Disorders
Dopamine receptor agonists Definition Dopamine receptor agonists are a class of drugs with similar actions to dopamine, a neurotransmitter that occurs naturally in the brain. A neurotransmitter is a chemical that allows the movement of information...
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dopamine
Book article from: The Oxford Companion to the Body
dopamine is a catecholamine , from which other...emotion . As with the other catecholamines, dopamine is released from nerve endings where it...There are two sorts of receptors for dopamine, namely D 1 and D 2 , of which the second...
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Antiparkinson Drugs
Encyclopedia entry from: Gale Encyclopedia of Neurological Disorders
...regulate the action of other cells in other brain regions by releasing a chemical called dopamine. When substantia nigra cells release dopamine, the dopamine attaches to dopamine receptors on the other cells, which influences them in various ways...
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drug abuse
Book article from: The Oxford Companion to the Body
...recognize the chemical messenger substance dopamine . Cocaine works by blocking the inactivation of dopamine after its release from nerve terminals...endings. Blocking this process makes more dopamine available to stimulate brain receptors...
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