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首页> 外文期刊>Journal of Neuroscience Methods >Combining loose cell-attached stimulation and recording.
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Combining loose cell-attached stimulation and recording.

机译:结合松散的细胞附着刺激和记录。

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摘要

Many synaptic-physiology experiments require selective stimulation of presynaptic neurones. No single method for achieving this is entirely satisfactory. Presynaptic whole-cell or microelectrode recordings offer outstanding control, but establishing such recordings of synaptically-connected neurones can be very time consuming. Minimal stimulation provides too little information regarding the condition and excitation of the presynaptic neurone(s). In the loose cell-attached configuration, it is possible both to stimulate individual cells and to record their action potentials, but most commercially-available equipment will not enable combining stimulation and recording. We demonstrate simultaneous loose cell-attached stimulation and recording of action potentials using a specially-designed patch-clamp amplifier. Since no tight seal is required, the method permits electrode re-use, thus enabling rapid screening of presynaptic cells while stimulating them selectively.
机译:许多突触生理学实验需要选择性刺激突触前神经元。没有单一的方法可以完全令人满意。突触前全细胞或微电极记录提供了出色的控制,但是建立这种突触连接神经元的记录可能非常耗时。最小的刺激提供了关于突触前神经元的状况和激发的信息太少。在散装细胞的配置中,既可以刺激单个细胞也可以记录其动作电位,但是大多数商用设备无法将刺激和记录结合起来。我们演示了使用特殊设计的膜片钳放大器同时进行的松散细胞附着刺激和动作电位记录。由于不需要紧密的密封,该方法允许电极的重复使用,从而能够快速筛选突触前细胞,同时选择性地刺激它们。

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