Drug-evoked synaptic plasticity in addiction: from molecular changes to circuit remodeling.
Drug-evoked synaptic plasticity in addiction: from molecular changes to circuit remodeling.
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DOI:
10.1016/j.neuron.2011.01.017
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发表时间:
2011-02-24
期刊:
影响因子:
16.2
通讯作者:
Malenka RC
中科院分区:
文献类型:
--
作者:
Lüscher C;Malenka RC
Addictive drugs have in common that they target the mesocoticolimbic dopamine (DA) system. This system originates in the ventral tegmental area (VTA) and projects mainly to the nucleus accumbens (NAc) and prefrontal cortex (PFC). Here we review the effects that such drugs leave on glutamatergic and GABAergic synaptic transmission in these three brain areas. We refer to these changes as drug-evoked synaptic plasticity, which outlasts the presence of the drug in the brain and contributes to the reorganization of neural circuits. While in most cases these early changes are not sufficient to induce the disease, with repetitive drug exposure, they may add up and cause addictive behavior.
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