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Dopamine
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<font size="5"><strong>History</strong></font></font></span></p>
<p><span id="Biochemistry" class="mw-headline"><font color="#000000" size="5"><font size="3">Dopamine was first synthesized in 1910 by George Barger and James Ewens at Wellcome Laboratories in London, England.<sup id="cite_ref-1" class="reference"><font size="2"><span>[</span>2<span>]</span></font></sup> It was named dopamine because it was a monoamine, and its synthetic precursor was 3,4-<em>d</em>ihydr<em>o</em>xy<em>p</em>henyl<em>a</em>lanine dihydroxyphenylalanine (L-DOPA). Dopamine's function as a neurotransmitter was first recognized in 1958 by Arvid Carlsson and Nils-Åke Hillarp at the Laboratory for Chemical Pharmacology of the National Heart Institute of Sweden.<sup id="cite_ref-2" class="reference"><font size="2"><span>[</span>3<span>]</span></font></sup> Carlsson was awarded the 2000 Nobel Prize in Physiology or Medicine for showing that dopamine is not just a precursor of norepinephrine (noradrenaline) and epinephrine (adrenaline), but a neurotransmitter as well.<br /font><br /p><p><span id="Biochemistry" class="mw-headline"></font color="#000000" size="5"><strong>Biochemistry</strong></font></span></p>
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<div style="WIDTH: 222px" class="thumbinner"><font color="#000000"><img class="thumbimage" alt="" width="220" height="500" src="http://upload.wikimedia.org/wikipedia/commons/thumb/0/08/Catecholamines_biosynthesis.svg/220px-Catecholamines_biosynthesis.svg.png" /> </font>