AUTHOR=Chen Zhu , Leceta Javier , Abdul-Sater Ali A. , Delgado Mario TITLE=Editorial: The innate immune system in rheumatoid arthritis JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.1089522 DOI=10.3389/fimmu.2022.1089522 ISSN=1664-3224