Kinase-Dependent Differentiation of a Retinal Ganglion Cell Precursor

Abstract
Purpose. Cell lines are frequently used to elucidate mechanisms of disease pathophysiology. Yet extrapolation of results with cell lines to neurodegenerative disorders is difficult because they are mitotic and usually have other non-neuronal properties. The RGC-5 cell line has many features of retinal ganglion cells (RGCs). Despite its expression of Thy-1 and NMDA receptors, as found in primary RGCs, this line’s ability to proliferate and non-neuronal appearance differentiate it from other central neurons, complicating its use for the study of neuronal survival, electrophysiology, or neurite extension.

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