Geniculo-cortical afferents form synaptic contacts with vasoactive intestinal polypeptide (VIP) immunoreactive neurons of the rat visual cortex

被引：11
|
作者：
Hajos, F
Staiger, JF
Halasy, K
Freund, TF
Zilles, K
机构：
[1] UNIV DUSSELDORF,C & O VOGT INST BRAIN RES,D-4000 DUSSELDORF,GERMANY
[2] HUNGARIAN ACAD SCI,INST EXPT MED,BUDAPEST,HUNGARY
来源：
NEUROSCIENCE LETTERS | 1997年 / 228卷 / 03期
关键词：
vasoactive intestinal polypeptide; visual cortex; rat; thalamo-cortical system; synapse;
D O I：
10.1016/S0304-3940(97)00399-6
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
The lateral geniculate nucleus of the rat was injected with the anterograde tracer Phaseolus vulgaris leucoagglutinin (PHA-L) to see if geniculo-cortical axons terminate on vasoactive intestinal polypeptide immunoreactive (VIP-LR) neurons of the primary visual cortex. PHA-L-labelled boutons attached to VIP-LR perikarya and dendrites were identified as presynaptic parts of asymmetrical synapses. This geniculo-cortical projection to VIP-IR cells in the visual cortex and comparable findings in the somatosensory cortex suggest that sensory input from specific thalamic nuclei may influence local circuit inhibition and the metabolic state within the cortical domain via VIP-IR neurons. (C) 1997 Elsevier Science Ireland Ltd.
引用
收藏
页码：179 / 182
页数：4
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