The acute effects of 3-nitropropionic acid on the behavior and spontaneous cortical electrical activity of rats

被引：0

作者：

Lukacs, Anita ^{[1
]}

Szabo, Andrea ^{[1
]}

Vezer, Tunde ^{[1
]}

Papp, Andras ^{[1
]}

机构：

[1] Univ Szeged, Fac Med, Dept Publ Hlth, H-6720 Szeged, Hungary

来源：

ACTA NEUROBIOLOGIAE EXPERIMENTALIS | 2006年 / 66卷 / 03期

关键词：

3-nitropropionic acid; spontaneous open field activity; acoustic startle response; pre-pulse inhibition; cortical activity; rat;

D O I：

暂无

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

In this study, the acute effect of 3-nitropropionic acid was investigated on open field and startle behavior of rats, and on their cortical electrical activity. Spontaneous locomotor activity, acoustic startle response, and pre-pulse inhibition of acoustic startle were measured in male Wistar rats (10 weeks old, 180-200 g body weight) after a single dose of 10 or 20 mg/kg i.p. 3-nitropropionic acid. After the behavioral tests, the rats were anaesthetized, and spontaneous cortical electrical activity was recorded. The vertical, horizontal and local open field performance showed dose-dependent deterioration in the rats treated with 3-nitropropionic acid. The number of "noise-positive" startle responses showed non-significant changes, but the inhibition by pre-pulse was significantly reduced in the high dose animals. High dose also increased the proportion of low-frequencies in the cortical activity. 3-nitropropionic acid, known primarily to act in repeated doses (e.g., in animal models of Huntington's disease) had also some clear-cut acute effects on behavioral and electrophysiological parameters of the treated rats.

引用

页码：227 / 233

页数：7

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