Changes in immunoreactivity to calcium-binding proteins in the anterior olfactory nucleus of the rat after neonatal olfactory deprivation

被引：21

作者：

Barbado, MV ^{[1
]}

Briñón, JG ^{[1
]}

Weruaga, E ^{[1
]}

Porteros, A ^{[1
]}

Arévalo, R ^{[1
]}

Aijón, J ^{[1
]}

Alonso, JR ^{[1
]}

机构：

[1] Univ Salamanca, Dept Biol Celular & Patol, E-37007 Salamanca, Spain

来源：

EXPERIMENTAL NEUROLOGY | 2002年 / 177卷 / 01期

关键词：

anterior olfactory nucleus; calcium-binding proteins; naris closure; olfactory system; postnatal development; quantitative neuroanatomy; sensory deprivation;

D O I：

10.1006/exnr.2002.7951

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

The effects of olfactory deprivation on the density of neuronal populations expressing the calcium-binding proteins calbindin D-28k, calretinin, and parvalbumin in the anterior olfactory nucleus of the rat were studied immunohistochemically in 60-day-old rats subjected to unilateral naris closure on the day of birth. The neuronal populations were characterized morphologically and topologically, and the density of each cell type was calculated in each subdivision of anterior olfactory nucleus at seven rostrocaudal levels. Data were gathered into three groups: data fro either the ipsilateral or contralateral anterior olfactory nucleus of experimental animals and data from control animals. Statistical analysis indicated that disruption of the normal afferent activity to one olfactory bulb affects the expression of the calcium-binding proteins investigated in the anterior olfactory nucleus, as revealed by variations in the density of certain neuronal populations. The observed effects were very heterogeneous and could not be related to any specific neuronal type, location, or to the expression of a given calcium-binding protein. Nevertheless, as a general rule the most affected neuronal populations were those expressing calbindin D-28k located in the rostral subdivisions. These subdivisions are the latest to develop in mammals and are those that receive the largest amount of inputs from the olfactory bulb. (C) 2002 Elsevier Science (USA).

引用

页码：133 / 150

页数：18

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