← EPO Patent Bulletin

ADDITIVE FOR UNDIFFERENTIATION MAINTAINING MEDIUM

Publication EP3604503A1 Kind: A1 Mar 18, 2026

Applicants

AJINOMOTO CO., INC., Keio University

Inventors

KOSEKI, Kotoe, OKAMOTO, Satoru, TOHYAMA, Shugo, FUJITA, Jun, FUKUDA, Keiichi, SOMEYA, Shota

Abstract

The present invention provides a medium for culturing pluripotency stem cells, containing L-tryptophan or L-tryptophan derivative at a concentration of not less than 176 µM.

IPC Classifications

C12N 5/10 20060101AFI20201125BHEP C12N 5/02 20060101ALI20201125BHEP C12N 5/0735 20100101ALI20201125BHEP C12N 5/074 20100101ALI20201125BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR