TABLE 1.
Control |
Omomyc |
Within 0–10 h after AraCa |
Beyond 10 h after AraCb |
|||||
---|---|---|---|---|---|---|---|---|
Description | Duodenum | Ileum | Duodenum | Ileum | Duodenum | Ileum | Duodenum | Ileum |
CVEU length (cells) | 99.7 ± 8.30 | 61.5 ± 7.18 | 98.8 ± 7.32 | 52.1 ± 7.36 | 93.4 ± 7.16 | 64.7 ± 10.6 | 101 ± 11.9 | 59.2 ± 9.25 |
Cell density in labeled strips (cells/10 µm) | 1.25 ± 0.246 | 1.00 ± 0.129 | 1.01 ± 0.141 | 0.865 ± 0.112 | 0.848 ± 0.0841 | 0.917 ± 0.102 | 1.12 ± 0.192 | 0.778 ± 0.165 |
Labeled cells 2 h after BrdU (n) | 8.2 ± 0.4 | 7.4 ± 0.4 | 6.1 ± 0.4 | 4.3 ± 0.5 | 0 | 0 | 8 ± 0.8 | 6.8 ± 0.3 |
Crypt–villus boundary; crypt compartment size (n cells): NCc | 20 ± 2.0 | 19 ± 1.8 | 18 ± 0.8 | 16 ± 0.7 | 20d | 20d | 20 ± 1.0 | 20 ± 2 |
Specific cell proliferation rate or cell transfer rate to villus: δ (h−1) in Eq. 1 | 0.0760 ± 0.0147 | 0.0544 ± 0.00644 | 0.0547 ± 0.00665 | 0.0509 ± 0.00427 | 0.00891 ± 0.0128e | 0.00136 ± 0.00698e | 0.0864 ± 0.0144 | 0.0466 ± 0.00901 |
Crypt cell production rate or cell migration velocity at crypt–villus boundary: VC-V (cells/h)f | 1.51 ± 0.325 | 1.03 ± 0.156 | 0.983 ± 0.126 | 0.813 ± 0.0768 | 0.174 ± 0.253e | 0.0279 ± 0.154e | 1.73 ± 0.300 | 0.934 ± 0.204 |
Migration velocity of labeled front along villus: VLF (µm/h) in Eq. 6 | 9.00 ± 0.465 | 5.96 ± 0.379 | 7.24 ± 0.190 | 5.29 ± 0.235 | −0.798 ± 0.942e | 0.0765 ± 0.477e | 8.68 ± 0.655 | 6.09 ± 1.15 |
Average number of cells and standard deviation of 3–6 samples from different mice and estimates and se of fitted parameters.
Estimated with data obtained within the first 10 h after AraC injection.
Estimated with data obtained after the first 10 h after AraC injection.
Estimated as the position at which the fraction of BrdU labeled cells, 2 h after injection, takes values smaller than 0.01.
Assumed from BrdU data observed after the first 10 h after AraC injection.
Not significantly different from 0.
Estimated as .