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首页> 外文期刊>Brain research. Brain research protocols >Long-lived retrograde fluorescent labeling of corticospinal neurons in the living animal.
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Long-lived retrograde fluorescent labeling of corticospinal neurons in the living animal.

机译:活体动物皮质脊髓神经元的长期逆行荧光标记。

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摘要

For pathophysiological studies, it is advantageous to label specific neuronal populations in living animals. This study aimed to establish a method for stable and long-lasting fluorescent labeling of corticospinal neurons in the living animal. The two fluorescent dyes Fluoro-Red and Fluoro-Green were injected in the cervical spinal cord of anesthetized newborn rats. After a recovery period, treated rats were returned to the mother. After 24 h and 14 days, fixed brain sections revealed wide-spread fluorescence in elongated or pyramidal-shaped cell profiles in a discrete internal cortical layer, consistent with layer V pyramidal cells. Labeled neurons displayed spontaneous synaptic activity using the slice patch clamp method. These results suggest that these dyes are effective tools for pathophysiological and slice patch clamp studies focused on specific neuron groups.
机译:对于病理生理研究,在活体动物中标记特定的神经元种群是有利的。这项研究旨在建立一种在活体动物中对皮质脊髓神经元进行稳定和持久荧光标记的方法。将两种荧光染料Fluoro-Red和Fluoro-Green注入麻醉的新生大鼠的颈脊髓中。恢复期后,将治疗的大鼠送回母亲。 24小时和14天后,固定的大脑切片在不连续的内部皮质层中与V层锥体细胞一致,在细长或金字塔形的细胞轮廓中显示出广泛的荧光。标记的神经元使用切片膜片钳方法显示自发的突触活性。这些结果表明,这些染料是针对特定神经元组进行病理生理学和切片膜片钳研究的有效工具。

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