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PROCÉDÉS POUR LA PRODUCTION D'UN TISSU DE LA RÉTINE ET DE CELLULES ASSOCIÉES À LA RÉTINE
专利权人:
SUMITOMO CHEMICAL COMPANY, LIMITED;RIKEN; LIMITED;SUMITOMO CHEMICAL COMPANY;住友化学株式会社;独立行政法人理化学研究所
发明人:
NAKANO, Tokushige,中野 徳重,ANDO, Satoshi,安藤 覚,SASAI, Yoshiki,笹井 芳樹,EIRAKU, Mototsugu,永樂 元次,中野 徳重,安藤 覚,笹井 芳樹,永樂 元次
申请号:
JPJP2012/080366
公开号:
WO2013/077425A1
申请日:
2012.11.22
申请国别(地区):
JP
年份:
2013
代理人:
摘要:
The present invention provides: [1] a method for producing a retinal tissue, characterized by comprising steps (1) to (3), i.e., (1) a first step of subjecting a pluripotent stem cell to floating culture in a serum-free culture medium containing a Wnt signaling pathway inhibitor to form an aggregate of the pluripotent stem cell, (2) a second step of subjecting the aggregate formed in the first step to floating culture in a serum-free culture 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 culture medium; [2] a method for producing an optic-cup-like structure, characterized by comprising a step of subjecting the aggregate containing a retinal tissue which has been cultured in the third step mentioned above to floating culture in a serum-free culture medium or a serum-containing culture medium each containing a substance capable of acting on the Sonic hedgehog signaling way and a substance capable of acting on the Wnt signaling pathway; [3] a method for producing a retinal pigment epithelial cell, characterized by comprising a step of subjecting the aggregate containing a retinal tissue which has been cultured in the third step mentioned above to floating culture in a serum-free culture medium or a serum-containing culture medium each containing a substance capable of acting on the Wnt signaling pathway (wherein the serum-free culture medium and the serum-containing culture medium does not contain any substance capable of acting on the Sonic hedgehog signaling pathway); and [4] a method for producing a retinal-layer-specific nerve cell, characterized by comprising bringing a retinal progenitor cell contained in a retinal tissue derived from a primate pluripotent stem cell into contact with a Notch signaling pathway inhibitor.La présente invention concerne : [1] un procédé de production d'un tissu de la rétine, caractérisé en ce qu'il comprend les é
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