AUTHOR=GutiƩrrez-Ospina Gabriel , Perez-Cruz Claudia , Zenaro Elena , Zille Marietta TITLE=Editorial: Neurodegenerative Diseases: Looking Beyond the Boundaries of the Brain JOURNAL=Frontiers in Neuroscience VOLUME=16 YEAR=2022 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2022.929786 DOI=10.3389/fnins.2022.929786 ISSN=1662-453X