Dopamine brings on a surge of pleasure, but too much dopamine in a synapse can ultimately lead to mood disorders and addiction. A recent preclinical study published in The FASEB Journal suggests that methamphetamine boosts dopamine levels by reversibly reducing the amount of a modification on the dopamine transporter. Loss of the modification decreases the transporter’s ability to remove the neurotransmitter from synapses.
This article was originally published on MedicalXpress.com
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