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Development of a spontaneously active dorsal root ganglia assay using multiwell multielectrode arrays

机译:使用多孔多电极阵列开发自发性活动性背根神经节测定

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Newberry K, Wang S, Hoque N, Kiss L, Ahlijanian MK, Herrington J, Graef JD. Development of a spontaneously active dorsal root ganglia assay using multiwell multielectrode arrays. J Neurophysiol 115: 3217-3228, 2016. First published April 6, 2016; doi: 10.1152/jn.01122.2015.—In vitro phenotypic assays of sensory neuron activity are important tools for identifying potential analgesic compounds. These assays are typically characterized by hyperexcit-able and/or abnormally, spontaneously active cells. Whereas manual electrophysiology experiments provide high-resolution biophysical data to characterize both in vitro models and potential therapeutic modalities (e.g., action potential characteristics, the role of specific ion channels, and receptors), these techniques are hampered by their low throughput. We have established a spontaneously active dorsal root ganglia (DRG) platform using multiwell multielectrode arrays (MEAs) that greatly increase the ability to evaluate the effects of multiple compounds and conditions on DRG excitability within the context of a cellular network
机译:Newberry K,Wang S,Hoque N,Kiss L,Ahlijanian MK,Herrington J,Graef JD。使用多孔多电极阵列开发自发活动的背根神经节测定法。 J Neurophysiol 115:3217-3228,2016。2016年4月6日首次出版; doi:10.1152 / jn.01122.2015。—感觉神经元活性的体外表型测定是鉴定潜在镇痛药的重要工具。这些测定通常以过度兴奋和/或异常,自发活动的细胞为特征。手动电生理学实验提供了高分辨率的生物物理数据来表征体外模型和潜在的治疗方式(例如,动作电位特征,特定离子通道和受体的作用),但这些技术因其通量低而受阻。我们使用多孔多电极阵列(MEA)建立了自发活动的背根神经节(DRG)平台,该平台大大提高了在细胞网络背景下评估多种化合物和条件对DRG兴奋性的影响的能力

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