Study on drug-induced liver injury with the group of Prof. Akihiro Umezawa at the National Center for Child Health and Development Research Institute is now published on Stem Cell Research & Therapy as Shoko Miyata et al. (2022) Puromycin-based purification of cells with high expression of the cytochrome P450 CYP3A4 gene from a patient with drug-induced liver injury (DILI), Stem Cell Res Ther 13, 6.