24(S),25-epoxycholesterol plays a significant role in cholesterol metabolism and cellular signaling. It is involved in the regulation of lipid homeostasis, particularly in the liver, where it influences the synthesis and breakdown of cholesterol. This compound is also studied for its potential effects on the immune system, as it can modulate inflammatory responses and interact with nuclear receptors like LXR (liver X receptor), which are critical for maintaining cholesterol balance and immune function. Additionally, it has been explored in research related to atherosclerosis, as it may impact the formation and stability of plaques in blood vessels. Its role in cancer biology is also under investigation, with studies suggesting it may influence cell proliferation and apoptosis in certain types of cancer cells.