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后肢伸展反射并非大鼠断头后惊厥或脊髓去甲肾上腺素耗竭的可靠指标。

The hindlimb extension reflex is not a reliable marker of post-decapitation convulsions or spinal noradrenaline depletion in rats.

作者信息

Danysz W, Jonsson G, Mohammed A K, Archer T

出版信息

Eur J Pharmacol. 1985 Oct 22;116(3):331-3. doi: 10.1016/0014-2999(85)90172-4.

DOI:10.1016/0014-2999(85)90172-4
PMID:3935468
Abstract

The degree of hindlimb extension reflex (ER), post-decapitation reflex (PDR) and noradrenaline (NA) depletion was measured under various treatment regimens involving the neurotoxins DSP4 and 6-OHDA. Neither neonatal 6-OHDA treatment, direct application of 6-OHDA to the locus coeruleus nor DSP4 treatment produced a blockade of ER that could be associated with the loss of PDR and the spinal NA depletion, whereas intrathecal 6-OHDA treatment caused a strong loss of both ER and PDR related to severe spinal NA depletion. No correlation was obtained between the ER and PDR in a large number of DSP4-treated rats.

摘要

在涉及神经毒素DSP4和6-羟基多巴胺(6-OHDA)的各种治疗方案下,测量了后肢伸展反射(ER)、断头后反射(PDR)的程度以及去甲肾上腺素(NA)的消耗情况。无论是新生期6-OHDA治疗、将6-OHDA直接应用于蓝斑,还是DSP4治疗,均未产生与PDR丧失和脊髓NA消耗相关的ER阻断,而鞘内注射6-OHDA治疗则导致与严重脊髓NA消耗相关的ER和PDR均严重丧失。在大量接受DSP4治疗的大鼠中,未发现ER与PDR之间存在相关性。

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引用本文的文献

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DSP4, a selective neurotoxin for the locus coeruleus noradrenergic system. A review of its mode of action.DSP4,一种针对蓝斑去甲肾上腺素能系统的选择性神经毒素。对其作用方式的综述。
Neurotox Res. 2015 Jan;27(1):15-30. doi: 10.1007/s12640-014-9482-z. Epub 2014 Jun 26.
2
Effects of alpha-adrenoceptor agonists in chronic morphine administered DSP4-treated rats: evidence for functional cross-sensitization.α-肾上腺素能受体激动剂对慢性给予吗啡的DSP4处理大鼠的影响:功能交叉致敏的证据
Neurotox Res. 2001 Oct;3(5):411-32. doi: 10.1007/BF03033201.
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Effects of clonidine and alpha-adrenoceptor antagonists on motor activity in DSP4-treated mice I: dose-, time- and parameter-dependency.
可乐定和α-肾上腺素能受体拮抗剂对经DSP4处理的小鼠运动活动的影响I:剂量、时间和参数依赖性
Neurotox Res. 2000 Apr;1(4):235-47. doi: 10.1007/BF03033254.