9/29/2008 PERMALINK
How cholesterol improves the function of your brain cells Twenty-five percent of cholesterol within the body is found in brain cells, where it seems to perform many important roles. Most of the theories for how cholesterol improves the function of brain cells have focused on its effect on the membranes that enclose these cells, but this work suggests that cholesterol may play a much more direct role by burying itself within some of the proteins that are necessary for cells to communicate. Image shows Cholesterol in orange, buried within the transparent protein, interacting with a lipid in the membrane ... University of Pennsylvania