Table 1.

Caveolar lipid composition

Lipid% of lipid in caveolaeaSource (reference)
Cholesterol26MDCK cells (11)
7Fibroblasts (149)
Sphingomyelin96MDCK cells (11)
50–70Fibroblasts (95)
Gangliosides67MDCK cells (11)
Phosphatidylethanolamine6MDCK cells (11)
Phosphatidylserine10MDCK cells (11)
Phosphatidylcholine5MDCK cells (11)
Phosphatidylinositol5MDCK cells (11)
Phosphatidylinositol P2 50A431 (117)
Ceramide50Fibroblasts (95)
Diacyl-glycerol50Fibroblasts (95)
  • a Note that the percentage of component in caveolae is relative to the whole-cell lipid content.