Glutamate-like immunoreactivity in axon terminals from the olfactory bulb to the piriform cortex

被引:0
作者
Hennequet, L [1 ]
Gondra, J [1 ]
Sendino, J [1 ]
Ortega, F [1 ]
机构
[1] Univ Basque Country, Fac Farm, Fac Med & Dent, Dept Neurosci, Bilbao 48080, Vizcaya, Spain
关键词
glutamate; olfactory cortex; horseradish peroxidase;
D O I
暂无
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
A highly specific anti-glutamate monoclonal antibody, mAb2D7, was used together with light and electron microscopy to elucidate the role played by the amino acid glutamate in the projection from the olfactory bulb to the piriform cortex in the rat. By light microscopy, glutamate-like immunoreactivity was observed in neuronal cell bodies and in the neuropil of the piriform cortex. Double labelling experiments which involved injections of wheat germ agglutinin-horseradish peroxidase into the olfactory bulb and a postembedding immunogold method for electron microscopy revealed anterogradely labelled terminals making asymmetric synaptic contacts on dendrites in the piriform cortex which contained high levels of glutamate as assessed by quantification. These results further support a role for glutamate as a neurotransmitter in the efferent pathway of the rat olfactory bulb.
引用
收藏
页码:683 / 687
页数:5
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