AUTHOR= Frontiers Editorial Office TITLE=Retraction: Akt2 Regulates the Differentiation and Function of NKT17 Cells via FoxO-1-ICOS Axis JOURNAL=Frontiers in Immunology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2021.686304 DOI=10.3389/fimmu.2021.686304 ISSN=1664-3224