CCP size, as determined by negative-stain EM, varies with cargo, Dab2, and ARH expression levels
| Adenovirus construct | Tet (ng/ml) | Adaptor protein expressed | CCP size (µm2 ± SD) | n |
| Ventral cell surface | ||||
| CD8/LDLR | 1,000 | Dab2 | 0.013 ± 0.03 | 20 |
| CD8/LDLR | 25 | Dab2 | 0.45 ± 0.38a | 19 |
| CD8/LDLR | 0 | Dab2 | 3.31 ± 2.49b | 8 |
| CD8/LDLR | 0 | ARH | 0.89 ± 0.54c | 27 |
| Dorsal cell surface | ||||
| TfnR | 1,000 | None | 0.011 ± 0.004 | 51 |
| TfnR | 0 | None | 0.008 ± 0.003d | 82 |
| Adenovirus construct | Tet (ng/ml) | Adaptor protein expressed | CCP size (µm2 ± SD) | n |
| Ventral cell surface | ||||
| CD8/LDLR | 1,000 | Dab2 | 0.013 ± 0.03 | 20 |
| CD8/LDLR | 25 | Dab2 | 0.45 ± 0.38a | 19 |
| CD8/LDLR | 0 | Dab2 | 3.31 ± 2.49b | 8 |
| CD8/LDLR | 0 | ARH | 0.89 ± 0.54c | 27 |
| Dorsal cell surface | ||||
| TfnR | 1,000 | None | 0.011 ± 0.004 | 51 |
| TfnR | 0 | None | 0.008 ± 0.003d | 82 |
P < 0.001 relative to no CD8/LDLR expression (i.e. 1,000 ng/ml tet).
P < 0.001 relative to low levels of CD8/LDLR expression (i.e. 25 ng/ml tet).
P < 0.001 relative to Dab2 expression in the presence of high CD8/LDLR levels.
P < 0.001 relative to endogenous levels of TfnR expression (i.e. 1,000 ng/ml tet).