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ARTICLE
from Takeda Pharmaceutical Co., Ltd., Kyowa Hakko Kirin Co., Ltd., Sumitomo Chemical Co., Ltd., and Thyas Co., Ltd. S.A., M.K., T. Sato., Y.B., T.S., K.N., M.T., Y. Kassai,
and A.H. are employees of Takeda Pharmaceutical Co. Ltd. Y.Y. is an employee of Thyas
Co. Ltd. The remaining authors declare no competing financial interests. These authors
and all other authors declare no other competing interests.
Acknowledgements
We thank Prof. Shinya Yamanaka (Kyoto University) for providing the HLA homozygous
iPSC line and giving critical advice for our research work. We also thank Prof. Hiromitsu
Nakauchi (The University of Tokyo) and Prof. Naoko Takasu (Kyoto University) for
providing the iPSC lines; Dr. Seigo Izumo (T-CiRA) for giving critical advice; Dr. Wang
Bo (Kyoto University); Dr. Keiko Koga, Dr. Masashi Yamada, and Dr. Sujatha Mohan (TCiRA); Mr. Shuichi Kitayama, Mr. Kohei Ohara, and Mr. Akito Tanaka (Kyoto University); Ms. Ayako Kumagai, Sanae Kamibayashi, Ms. Eri Imai, and Ms. Katsura Noda
(Kyoto University); Ms. Mariko Sekiguchi, Ms. Maki Numazaki, Ms. Yuka Maruyama,
Ms. Yuki Watanabe, Ms. Ai Kikuchi, Ms. Xuewei Song, Ms. Hitomi Takakubo, Ms.
Megumi Tada, and Ms. Mizuki Kobayashi (T-CiRA) for technical and administrative
assistances. The entire study was conducted in accordance with the Declaration of Helsinki and permitted by the institutional ethical board of Kyoto University. This work was
supported in part by the Ministry of Education, Culture, Sports, Science and Technology
of Japan (23591413, 15H04655, 15J05263, 26293357, and 18K16085), Japan Agency for
Medical Research and Development (Project for Development of Innovative Research on
Cancer Therapeutics, and Core Center for iPS Cell Research), the Takeda-CiRA collaboration program, and the collaborative research grant of Thyas Co., Ltd.
Author contributions
S.I., Y.Y., Y.K., and S.K. designed the study; S.I., Y.Y., Y.K., and S.K. interpreted the data;
S.I., Y.Y., Y.K., S.A., M.K., T.Sato., T.U., N.Y., Y.M., Y.B., M.Y., and Y.Kassai performed
the experiments; S.I., S.A., M.K., A.H., and S.K. analyzed the data; Y. Mishima, A.M., T.S.,
K.N., M.T., T.N., and M.Y. provided critical materials, protocols or advice for the
experiments; S.K. supervised the study; and S.I. and S.K. wrote the manuscript.
Competing interests
The authors declare the following financial competing interests. S.K. is a founder,
shareholder, and chief scientific officer at Thyas Co., Ltd. and received research fundings
Additional information
Supplementary information is available for this paper at https://doi.org/10.1038/s41467020-20658-3.
Correspondence and requests for materials should be addressed to S.K.
Peer review information Nature Communications thanks the anonymous reviewer(s) for
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