CELL AGGREGATION INCLUDING OLFACTORY NEURON OR PRECURSOR CELL THEREOF, AND METHOD FOR PRODUCING SAME
申请人:SUMITOMO CHEMICAL COMPANY LIMITED
公开号:EP3842527A1
公开(公告)日:2021-06-30
A method for producing a cell cluster including an olfactory receptor neuron or a precursor cell thereof, comprising the following steps (1) to (3): step (1) of suspension-culturing a pluripotent stem cell in the presence of a Wnt signaling pathway inhibitory substance to form a cell aggregate; step (2) of suspension-culturing the cell aggregate obtained in the step (1) in the presence of a BMP signaling pathway-activating substance; and step (3) of suspension-culturing the cell aggregate obtained in the step (2) to obtain the cell cluster, wherein step (3) comprises at least one step selected from the group consisting of: step (3a) of suspension-culturing in the presence of an FGF signaling pathway-activating substance; step (3b) of suspension-culturing in the presence of a BMP signaling pathway inhibitory substance; and step (3c) of culturing in the presence of an FGF signaling pathway-activating substance and a BMP signaling pathway inhibitory substance.
一种生产包括嗅觉受体神经元或其前体细胞的细胞团的方法,包括以下步骤(1)至(3):步骤(1)在Wnt信号通路抑制物质存在下悬浮培养多能干细胞以形成细胞聚集体;步骤(2)在BMP信号通路激活物质存在下悬浮培养步骤(1)中获得的细胞聚集体;以及步骤(3)悬浮培养步骤(2)中获得的细胞聚集体以获得细胞簇,其中步骤(3)包括至少一个选自由以下组成的组的步骤:在 FGF 信号通路激活物质存在下进行悬浮培养的步骤(3a); 在 BMP 信号通路抑制物质存在下进行悬浮培养的步骤(3b);以及 在 FGF 信号通路激活物质和 BMP 信号通路抑制物质存在下进行培养的步骤(3c)。