ApoE4 impairs astrocyte lipid droplet formation via endolysosomal dysfunction
Isha Ralhan, Ju-Young Bae, Nathanael Y.J. Lee, Wendy Cai, Jinlan Chang, Suha Jarad, Hongmei Gu, Dawei Zhang, Maria S. Ioannou
This study shows ApoE4 impairs astrocyte lipid droplet formation by disrupting endolysosomal function and demonstrates that PCSK9 can restore lipid droplet formation by preventing ApoE4 internalization.
bioRxiv · Sep 4, 2026 · PreprintNeuroscience