Dopamine D-2 auto- and postsynaptic receptors in the nigrostriatal system of the rat brain: localization by quantitative autoradiography with [3H]sulpiride.
Dopamine D-2 auto- and postsynaptic receptors in the nigrostriatal system of the rat brain: localization by quantitative autoradiography with [3H]sulpiride.
复制标题
大鼠大脑黑质纹状体系统中的多巴胺 D-2 自体和突触后受体:使用 [3H]舒必利进行定量放射自显影定位。
DOI:
10.1016/0014-2999(87)90337-2
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发表时间:
1987
影响因子:
5
通讯作者:
Dawson,TM
中科院分区:
文献类型:
--
作者:
Filloux,FM;Wamsley,JK;Dawson,TM
In vitro receptor autoradiography with [3H]sulpiride (a selective D-2 antagonist) was used to assess the effect of 6-hydroxydopamine and ibotenic acid lesions of the caudate-putamen and substantia nigra pars compacta on D-2 dopamine receptors in rat brain. A marked reduction in [3H]sulpiride binding within the pars compacta of the substantia nigra resulted from lesions of the substantia nigra compacta with either toxin, while substantial reduction in binding within the caudate-putamen followed only ibotenate lesions of that structure. Since (−)sulpiride is a selective D-2 antagonist, these data confirm that autoreceptors on nigral DA neurons are of the D-2 type, while a portion of D-2 receptors in the caudate-putamen are postsynaptic on striatal neurons.
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DOI:
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