Furthermore, translocation of several cholesterogenic enzymes from the endoplasmic reticulum to other cell compartments can occur under various conditions, thereby regulating levels and sites of
intracellular cholesterol accumulation.
They suggest that the effects on lysosomes are secondary to reduced Aβ
accumulation, but I suspect the causation may work in the reverse direction, since they found that HBCD lowered cellular membrane
cholesterol, and abnormally high lysosomal membrane
cholesterol can impair the acidification and function of lysosomes, which are necessary for clearance of
intracellular Aβ.