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Title:
HIGH-EFFICIENCY METHOD FOR PRODUCING GENETICALLY MODIFIED CELLS
Document Type and Number:
WIPO Patent Application WO/2020/085480
Kind Code:
A1
Abstract:
The purpose of the present invention is to improve efficiency in a method for producing chimeric antigen receptor (CAR)-expressing cells. Provided is a method for producing genetically modified mammalian cells, the method comprising: a) a step of introducing, by a transposon method, a polynucleotide coding for a chimeric antigen receptor (CAR) protein into a cell population that contains T-cells derived from a mammal to obtain a genetically modified cell population; b) a step of preparing an endogenous cell population derived from the mammal that expresses a protein that binds to the CAR; and c) a step of coculturing the genetically modified cell population of step a) and the endogenous cell population of step b).

Inventors:
NAKAZAWA YOZO (JP)
TANAKA MIYUKI (JP)
MOROKAWA HIROKAZU (JP)
NARIMATSU SHOGO (JP)
Application Number:
PCT/JP2019/041878
Publication Date:
April 30, 2020
Filing Date:
October 25, 2019
Export Citation:
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Assignee:
KISSEI PHARMACEUTICAL (JP)
UNIV SHINSHU (JP)
International Classes:
C07K14/705; C12N5/0783; C12N5/10; C12N15/12; C12N15/63
Domestic Patent References:
WO2017061615A12017-04-13
WO2017079705A12017-05-11
WO2017061615A12017-04-13
Foreign References:
JP2018531014A2018-10-25
JP2013529061A2013-07-18
US5827642A1998-10-27
JP2018202336A2018-12-27
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See also references of EP 3872087A4
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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