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  • Title: Vitreoretinal surgical technique for transplanting retinal pigment epithelium in rabbit retina.
    Author: Yamaguchi K, Yamaguchi K, Young RW, Gaur VP, Greven CM, Slusher MM, Turner JE.
    Journal: Jpn J Ophthalmol; 1992; 36(2):142-50. PubMed ID: 1513062.
    Abstract:
    Transplantation of retinal pigment epithelial (RPE) cells has been proposed as a potential remedial procedure for previously untreatable retinal diseases. In this study, a vitreoretinal surgical technique was used to transplant pigmented RPE cells obtained from pigmented rabbits into the subretinal space of New Zealand White rabbits. At the time the animals were sacrificed, the retina was re-attached in all but 4 of the 24 experimental eyes. Histologically, by one week the transplanted RPE cells had formed a monolayer in patchy areas beneath the attached retina. By electron microscopy, RPE cells with prominent melanin granules were found attached to Bruch's membrane. Three weeks after transplantation, grafted RPE cells had formed apical microvilli and tight junctions with adjacent cells. The nucleus of the cells containing pigment had become oval, and their contact with Bruch's membrane appeared to be composed of bsal infoldings that were well formed. Our findings demonstrated the functional appearance of the transplanted RPE cells.
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