Abstract
The retina provides an excellent system to analyze neural architecture and communication mechanisms. In retinal physiological, morphological, and developmental studies, intracellular dye microinjection is an extensively applied technique. Dyes and/or chemical compounds are introduced into retinal neurons via iontophoresis injection to identify cell types, communication, and developmental changes. Here, we describe the detailed methods for ejecting the dyes Lucifer yellow and Neurobiotin into retinal neurons through micropipette and concentrate on avoiding the known pitfalls and troubleshooting.
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