AUTHOR=Rai Sachchida Nand , Chaturvedi Vivek K. , Singh Brijesh Kumar , Singh Mohan P. TITLE=Commentary: Trem2 Deletion Reduces Late-Stage Amyloid Plaque Accumulation, Elevates the Aβ42:Aβ40 Ratio, and Exacerbates Axonal Dystrophy and Dendritic Spine Loss in the PS2APP Alzheimer's Mouse Model JOURNAL=Frontiers in Aging Neuroscience VOLUME=12 YEAR=2020 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2020.00219 DOI=10.3389/fnagi.2020.00219 ISSN=1663-4365