Retinal cell transplantation offers the possibility of preserving and/or restoring function in a degenerating retina. This is a difficult but ultimately do-able project and the retina may be an ideal structure in which to pursue such central nervous system reconstruction. The retina is accessible, layered and the photoreceptor layer transmits signals in one direction in contrast to most neuronal circuits in the central nervous system. There are two areas to which this research has been directed. One involves the retinal epithelium and the second the neural retina, in particular the photoreceptors. Although some problems are similar in these two approaches, there are major differences requiring the topics to be considered separately.
KeywordsRetinal Pigment Epithelium Green Fluorescent Protein Expression Green Fluorescent Protein Fluorescence Subretinal Space Photoreceptor Layer
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