AUTHOR=Falcone Carmen , Petrelli Francesco TITLE=Editorial: 15 years of Frontiers in Cellular Neuroscience: exploring astrocyte heterogeneity: regional functions and impacts on diseases JOURNAL=Frontiers in Cellular Neuroscience VOLUME=Volume 20 - 2026 YEAR=2026 URL=https://www.frontiersin.org/journals/cellular-neuroscience/articles/10.3389/fncel.2026.1951315 DOI=10.3389/fncel.2026.1951315 ISSN=1662-5102