AUTHOR=Zheng Kai , Salinas Antonio Jesus , Lao Jonathan TITLE=Editorial: Hybrids Part A: Hybrids for Tissue Regeneration JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2021.746641 DOI=10.3389/fbioe.2021.746641 ISSN=2296-4185