期刊
STEM CELL RESEARCH
卷 39, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scr.2019.101491
关键词
Contact co-culture; Photoreceptors; Retinal pigment epithelium; Retinal organoids
资金
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA16020603, XDPB10]
- National Natural Science Foundation of China [81790644, 31601134]
- National Key Basic Research Program of China [2016YFA0400900]
- User with Excellence Program of Hefei Science Center CAS [2019HSC-UE018]
- Anhui Provincial Natural Science Foundation [1808085MH289, 1708085QC57]
Retinal organoids (ROs) derived from human-induced pluripotent stem cells recapitulate the three-dimensional structure of retina, mimic human retinal development, and provide cell sources for pre-clinical retinal transplantation. Retinal pigment epithelium (RPE) is crucial for normal outer retinal physiology, including phagocytosis of shed photoreceptor outer segments and secretion of neurotrophic and vasculotrophic growth factors. However, whether ROs-RPE co-culture can improve the differentiation of photoreceptors in ROs in vitro remains unknown. Herein, primary mouse RPE cells were contact co-cultured with ROs at different time points. Our results revealed that the RPE cells accelerated photoreceptor differentiation in ROs, as the cross talk between the RPE and ROs promoted the stage specific expression of photoreceptor markers at different differentiation stages. Thus, we established an improved co-culture system based on modeling of human retina-RPE dynamics during retinogenesis for the evaluation of ocular therapies.
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