RETROGRADE TRACING OF ZINC-CONTAINING NEURONS BY SELENIDE IONS - A SURVEY OF 7 SELENIUM-COMPOUNDS

被引:32
作者
CHRISTENSEN, MK
FREDERICKSON, CJ
DANSCHER, G
机构
[1] Department of Neurobiology, Institute of Anatomy, University of Aarhus
关键词
ZINC; ZINC-CONTAINING NEURONS; SELENIUM; TOXICITY; RETROGRADE TRACING; AUTOMETALLOGRAPHY; RAT;
D O I
10.1177/40.4.1313065
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The autometallographic retrograde tracing of zinc-containing neurons by intracerebral injection of sodium selenite (Na2SeO3), introduced by Danscher in 1982, has recently been described in more detail. Intracerebral injections of both sodium selenide (Na2Se) and sodium selenite (Na2SeO3) have been successfully used; however, sodium selenite had a rather toxic effect on the injected tissue. In the present study, we tested seven different selenium compounds to find the most suitable compound for retrograde tracing of zinc-positive pathways. Among the tested compounds, sodium selenide (Na2Se) caused insignificant necrosis within the injection site and was easily transported retrogradely when handled anaerobically. Sodium selenide is therefore recommended as the compound of choice.
引用
收藏
页码:575 / 579
页数:5
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