AUTHOR=Garrido-Mesa Jose , Gálvez Julio , Garrido-Mesa Natividad TITLE=Editorial: The gut-immune axis: a complex training ground impacting inflammatory pathologies JOURNAL=Frontiers in Immunology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2023.1274761 DOI=10.3389/fimmu.2023.1274761 ISSN=1664-3224