Sterol Esters

Comprises a class of lipids formed by the esterification of a sterol (like cholesterol) with a fatty acid, representing a storage and transport form of sterols.

Key Functions:

• Storage form of cholesterol within cells.
• Transport form of cholesterol in lipoproteins.
• Reduces the cytotoxic effects of free cholesterol.

Interacting Systems & Components:

• Cholesterol (component of)
• Free Fatty Acid (component of)
• Acyl-CoA:Cholesterol Acyltransferase (ACAT, synthesizes sterol esters)
• Lipoproteins (transport within)