Journal of the Korean Ophthalmological Society 2000;41(9):1845-1852.
Published online September 1, 2000.
Sheet Form Transplantation of Cultured Retinal Pigment Epithelial Cells with Poly lactic-co-glycolic acid.
Hee Seung Chin, Soon Hyun Kim, Oh Woong Kwon, Jung Hyub Oh
1Department of Ophthalmology, Inha University Hospital, #7-206 Shinheung-dong 3-ga, Jung-ku, Inchon, 400-711, Korea.
2Department of Ophthalmology, Yonsei University Medical College, Seoul, Korea.
Poly lactic - co - glycolic acid 를 이용한 배양 망막색소상피세포의 판형 이식
진희승(Hee Seung Chin),김순현(Soon Hyun Kim),권오웅(Oh Woong Kwon),오중협(Jung Hyub Oh)
Abstract
For ideal transplantation, donor RPE cells could be cultured and transplanted in the form of sheet, by using thin film-like substrates where RPE cells could be attached. In this study, poly DL-lactic-co-glycolic acid (PLGA), one of the biodegradable polymer, was used to make thin film for RPE sheet. The physical characteristics of PLGA film and the stability of polymer-cell complex were investigated whether it was suitable for RPE culture and transplantation. Thin film of 50:50 PLGA solution was prepared on the surface of 35 mm glass culture dish. The measured thickness of this film was 24 +/-6 micrometer . Under the scanning electron microscope examination, the surface of PLGA film was smooth and the polymers were arranged regularly. And microdefect was not found on the film. RPE cells were cultured on the PLGA film successfully and the population was confluent by 7th or 8th day. Small polymer-cell complex sheet was obtained successfully without damage. The polymer-cell complex sheet have kept stability during manupulation. In conclusion, sheet form transplantation of cultured RPE using PLGA film is a useful method for successful RPE transplantation.
Key Words: Biodegradable polymer;Poly DL-lactic-co-glycolic acid;Retinal pigment epithelium transplantation


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