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VERFAHREN ZUR HERSTELLUNG VON NETZHAUTGEWEBE UND RETINAVERWANDTEN ZELLEN
专利权人:
SUMITOMO CHEMICAL COMPANY, LIMITED;RIKEN; LIMITED;SUMITOMO CHEMICAL COMPANY
发明人:
NAKANO, TOKUSHIGE,ANDO, SATOSHI,SASAI, YOSHIKI,EIRAKU, MOTOSUGU
申请号:
EP12851901
公开号:
EP2784152A4
申请日:
2012.11.22
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
The present invention provides [1] a method for producing a retinal tissue, including the following steps (1) to (3): (1) a first step of subjecting pluripotent stem cells to floating culture in a serum-free medium containing a substance inhibiting the Wnt signal pathway to form an aggregate of pluripotent stem cells, (2) a second step of subjecting the aggregate formed in the first step to floating culture in a serum-free medium containing a basement membrane preparation, and (3) a third step of subjecting the aggregate cultured in the second step to floating culture in a serum-containing medium; [2] a method for producing an optic-cup-like structure, including a step of subjecting an aggregate containing the retinal tissue cultured in the step (3) above to floating culture in a serum-free medium or serum-containing medium each containing a substance acting on the Sonic hedgehog signal pathway and a substance acting on the Wnt signal pathway; [3] a method for producing a retinal pigment epithelium, including a step of subjecting an aggregate containing the retinal tissue cultured in the step (3) above to floating culture in a serum-free medium or serum-containing medium each containing a substance acting on the Wnt signal pathway (wherein said serum-free medium and serum-containing medium are free of a substance acting on the Sonic hedgehog signal pathway); and [4] a method for producing a retinal layer-specific neural cell, including bringing a retinal progenitor cell contained in a retinal tissue derived from a primate pluripotent stem cell into contact with a substance inhibiting the Notch signal pathway.
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