AUTHOR=Liu Cui Hua , Rao Yu , Gao Daming , Wan Lixin , Zhang Lingqiang TITLE=Editorial: Ubiquitin Code: From Cell Biology to Translational Medicine JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2021.791967 DOI=10.3389/fcell.2021.791967 ISSN=2296-634X