PIKfyve inhibition induces LRRK2 activation through phosphatidylinositol 3-phosphate and CASM
Tomoki Kuwahara, Gen Yoshii, Maria Sakurai, Shoichi Suenaga, Hiroki Nakanishi, Matthew Jefferson, Thomas E. Wileman, Kentaro Tomii, Takeshi Iwatsubo
This study shows that PIKfyve inhibition leads to LRRK2 hyperactivation through PI3P and CASM, revealing a new mechanism involving membrane lipids and Rab proteins.
bioRxiv · Dec 18, 2025 · PreprintCell Biology