TABLE 1.
Caveolar lipid composition
| Lipid | % of lipid in caveolaea | Source (reference) |
|---|---|---|
| Cholesterol | 26 | MDCK cells (11) |
| 7 | Fibroblasts (149) | |
| Sphingomyelin | 96 | MDCK cells (11) |
| 50–70 | Fibroblasts (95) | |
| Gangliosides | 67 | MDCK cells (11) |
| Phosphatidylethanolamine | 6 | MDCK cells (11) |
| Phosphatidylserine | 10 | MDCK cells (11) |
| Phosphatidylcholine | 5 | MDCK cells (11) |
| Phosphatidylinositol | 5 | MDCK cells (11) |
| Phosphatidylinositol P2 | 50 | A431 (117) |
| Ceramide | 50 | Fibroblasts (95) |
| Diacyl-glycerol | 50 | Fibroblasts (95) |
a
Note that the percentage of component in caveolae is relative to the whole-cell lipid content.