Abstract
In vivo calcium imaging in zebrafish provides the ability to investigate calcium dynamics within neurons. Utilizing genetically encoded calcium sensors it is possible to monitor calcium signals within a single axon during axon injury and degeneration with high temporal and spatial resolution. Here we will describe in vivo, time-lapse confocal imaging methods of calcium imaging. Imaging of calcium dynamics with genetically encoded calcium sensors (GECS) within living axons can serve as a method to assess axonal physiology and effects of pharmacologic and genetic manipulation, as well as characterize responses to different injury models.
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