%0 Journal Article %T Concerns on a new therapy for severe heart failure using cell sheets with skeletal muscle or myocardial cells from iPS cells in Japan %J - %D 2018 %R https://doi.org/10.1038/s41536-018-0047-2 %X In Japan, a new therapy for severe heart failure using skeletal myocardial sheet is ongoing and a treatment using iPS cells is just about to start. However, I think there are problems and concerns. In this comment, I will express concerns on these treatments. This will be useful and interesting to stem cell researchers and clinical cardiologists %U https://www.nature.com/articles/s41536-018-0047-2