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PURPOSE To investigate the presence and role of a recently cloned cysteine protease (cathepsin S) in the digestion of rod outer segments (ROS) by cultured retinal pigment epithelial (RPE) cells. METHODS RPE cell cultures were established from eye bank donor eyes. Total RNA was extracted from freshly harvested cultures, and after reverse transcription, the(More)
PURPOSE The aim of this study was to identify whether abnormalities in the synthesis of basic fibroblast growth factor (bFGF) or its receptor (bFGF-R) were responsible for the photoreceptor dystrophy in Royal College of Surgeons (RCS) rats. METHODS The polymerase chain reaction was used to detect the expression of bFGF and bFGF-R messenger RNA in the(More)
BACKGROUND To study genes expressed by retinal pigment epithelial (RPE) cells during phagocytosis and digestion of rod outer segments (ROS), a complementary (c)DNA library was produced using an in-vitro model. The cDNA library can be used to study molecular changes which contribute to the development of diseases due to a failure in outer segment(More)
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