AUTHOR=Zhang Ke , Wang Chao , Yuan Jun-Liang , Deng Yu TITLE=Editorial: Peripheral immune system and neurodegenerative disease JOURNAL=Frontiers in Aging Neuroscience VOLUME=14 YEAR=2022 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2022.970042 DOI=10.3389/fnagi.2022.970042 ISSN=1663-4365