AUTHOR=Bosticardo Marita , Ohigashi Izumi , Cowan Jennifer E. , Alves Nuno L. TITLE=Editorial: Thymic Epithelial Cells: New Insights Into the Essential Driving Force of T-Cell Differentiation JOURNAL=Frontiers in Immunology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2021.744623 DOI=10.3389/fimmu.2021.744623 ISSN=1664-3224