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温度对来自正常体温花栗鼠、仓鼠和大鼠海马切片诱发电位的影响。

Temperature effects on evoked potentials of hippocampal slices from euthermic chipmunks, hamsters and rats.

作者信息

Hooper D C, Martin S M, Horowitz J M

机构信息

Department of Animal Physiology, University of Calilfornia, Davis 95616, USA.

出版信息

J Therm Biol. 1985;10(1):35-40. doi: 10.1016/0306-4565(85)90008-7.

DOI:10.1016/0306-4565(85)90008-7
PMID:11538835
Abstract
  1. Neural activity was recorded in hippocampal slices from euthermic chipmunks, hamsters and rats. 2. While recording the evoked potentials, the temperature of the Ringer's solution bathing the slice was varied by controlling the temperature of an outer chamber jacketing the recording chamber. 3. The temperature just below that at which a population spike could be evoked, Tt, was 10.4 +/- 0.3 degrees C (mean +/- SEM) for chipmunk slices, 14.1 +/- 0.4 degrees C for rat slices and 14.8 +/- 0.4 degrees C for hamster slices. Tt was significantly lower in the chipmunk slices (P<0.01) than in the rat and hamster slices. 4. Data were interpreted as consistent with the hypothesis that chipmunk hippocampal neurons are intrinsically cold resistant.
摘要
  1. 在来自恒温花栗鼠、仓鼠和大鼠的海马切片中记录神经活动。2. 在记录诱发电位时,通过控制包裹记录室的外腔室温度来改变灌注切片的林格氏液的温度。3. 刚好低于可诱发群体峰电位的温度,即Tt,花栗鼠切片为10.4±0.3摄氏度(平均值±标准误),大鼠切片为14.1±0.4摄氏度,仓鼠切片为14.8±0.4摄氏度。花栗鼠切片中的Tt显著低于大鼠和仓鼠切片(P<0.01)。4. 数据的解释与花栗鼠海马神经元具有内在抗寒能力这一假设一致。

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引用本文的文献

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Neuronal Activity in the Hibernating Brain.冬眠大脑中的神经元活动。
Front Neuroanat. 2019 Jul 9;13:71. doi: 10.3389/fnana.2019.00071. eCollection 2019.
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Thermal dependence of serotonergic modulation of neural activity in the hamster.仓鼠中神经活动的5-羟色胺能调节的热依赖性
J Comp Physiol A. 1990 May;167(1):79-88. doi: 10.1007/BF00192408.