%0 Journal Article %T Japan Significantly Relaxes Its Human-Animal Chimeric Embryo Research Regulations %J - %D 2019 %R https://doi.org/10.1016/j.stem.2019.03.015 %X On March 1, 2019, Japan¡¯s Ministry of Education, Culture, Sports, Science and Technology (MEXT) deregulated human-animal chimeric embryo (HACE) research for the production of human organs in animals. The MEXT¡¯s newly released guidelines effectively approved the production of human-animal chimeras, or chimeric individuals ( Ministry of Education CultureSportsScience and Technology (MEXT), 2019 Ministry of Education Culture, Sports, Science and Technology (MEXT)Guidelines for the Handling of Specified Embryos. http://www.lifescience.mext.go.jp/files/pdf/n2163_03.pdf Date: 2019 Google Scholar ). Despite the very recent nature of these developments, research groups are already beginning to move forward. Most notably, Hiromitsu Nakauchi¡¯s laboratory is preparing a new proposal for HACE research in Japan ( Jiji Press, 2019 Jiji PressJapanese team plans to grow human pancreases in pigs. https://jen.jiji.com/jc/eng?g=eco&k=2019030101178 Date: 2019 Google Scholar ) %U https://www.cell.com/cell-stem-cell/fulltext/S1934-5909(19)30114-6