DEVELOPMENTAL-CHANGES IN EXPRESSION OF A CALCIUM-BINDING PROTEIN (SPOT 35-CALBINDIN) IN THE NERVUS-TERMINALIS AND THE VOMERONASAL AND OLFACTORY RECEPTOR-CELLS

被引:19
作者
ABE, H [1 ]
WATANABE, M [1 ]
KONDO, H [1 ]
机构
[1] TOHOKU UNIV,SCH MED,DEPT ANAT,SEIRYO MACHI 2-1,SENDAI,MIYAGI 980,JAPAN
关键词
IMMUNOHISTOCHEMISTRY; CALBINDIN; NERVUS TERMINALIS; VOMERONASAL ORGAN; OLFACTORY EPITHELIUM; DEVELOPMENT;
D O I
10.3109/00016489209137485
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
The detailed localization of spot 35-calbidin and its ontogenic change were studied in Nervus terminalis, the vomeronasal organ and the olfactory epithelium of the rat by immunohistochemistry. At the embryonic days 12 and 13 (E 12-13), calbindin-immunoreactive cells were found in the outermost layer of the presumptive olfactory bulb and within the olfactory placode. At E 14 to the postnatal day 1 (P 1), intense calbindin-immunoreactivity was localized in ganglionated fiber bundles of Nervus terminalis coursing through the mesenchymal spaces on both sides of the nasal septum. Nervus terminalis decreased the immunoreactivity abruptly after P 1 and it showed no distinct immunoreactivity for calbindin at P 7 and thereafter. On the other hand, numerous receptor cells in the olfactory epithelium and the thicker vomeronasal epithelium exhibited weak to moderate immunoreactivity for calbindin at E 18-P 1. Their immunoreactivity decreased in intensity progressively after P 7 and no distinct immunoreactivity for calbindin was detected in most of the receptor cells, whereas moderate immunoreactivity was detected in most of the vomeronasal and olfactory nerves at P 28 and P 63.
引用
收藏
页码:862 / 871
页数:10
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