Abstract
In retinal diseases characterized by photoreceptor degeneration, the main cause of clinically significant vision loss is cone, rather than rod, loss. Photoreceptor apoptosis can be affected by the availability and/or delivery of neurotrophic proteins, and cultures of photoreceptors are valuable for studying these processes. In the present study, a technique was designed to purify cones to make it possible to screen for neuroprotective molecules. The present chapter describes a technique for preparing cultures of purified rat retina cone photoreceptors based upon panning with peanut agglutinin lectin, which selectively binds to cones. In addition, we describe a protocol for the purification and culture of retinal pigmented epithelial cells from postnatal rat.
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