ER cholesteryl ester phase separation underlies switch-like cholesterol sensing
Mehdi Zouiouich, Apoorva Bhapkar, Jennica Träger, Murphy McDermott, Sonny Yde, Sami Kchir, Fabienne Foufelle, Mohyeddine Omrane, Abdou Rachid Thiam
The paper identifies cholesterol esterification as a mechanism that creates switch-like regulation of the INSIG/SCAP/SREBP2 pathway through ER membrane phase transitions.
bioRxiv · Aug 10, 2026 · PreprintCell Biology