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Title:
PRODUCTION METHOD FOR INTESTINAL EPITHELIAL CELLS AND USE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/261540
Kind Code:
A1
Abstract:
The problems addressed by the present invention are to provide a method for producing, via induction of differentiation in pluripotent stem cells, intestinal epithelial cells having a high cell count per area, and high kinetics prediction accuracy with respect to CYP3A4 substrates such as midazolam, and to provide the intestinal epithelial cells, a cell sheet, an evaluation method for a substance to be tested, a screening kit for a substance to be tested, and a cell preparation. According to the present invention, provided is a production method for intestinal epithelial cells, including a first differentiation step for differentiating pluripotent stem cells into intestinal stem cells, a proliferation step for causing the proliferation of the intestinal stem cells obtained during the differentiation step, and a second differentiation step for differentiating the intestinal stem cells obtained during the proliferation step into intestinal epithelial cells. The proliferation step is a step for putting the intestinal stem cells into a specific state.

Inventors:
IMAKURA YUKI (JP)
MIMA SHINJI (JP)
OGURA IZUMI (JP)
YAMAZAKI NAO (JP)
Application Number:
PCT/JP2021/023893
Publication Date:
December 30, 2021
Filing Date:
June 24, 2021
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
C12N5/071; A61K35/38; A61L27/38; A61P1/00; C12Q1/02; G01N33/15; G01N33/50; C12N5/10
Domestic Patent References:
WO2018151307A12018-08-23
WO2019156200A12019-08-15
WO2014132933A12014-09-04
WO2018151307A12018-08-23
WO2019156200A12019-08-15
WO2014165663A12014-10-09
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See also references of EP 4174170A4
Attorney, Agent or Firm:
SIKS & CO. (JP)
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