Table 1.
AQP5 localization during prenatal development
| Pseudoglandular stage (~E14) | Canalicular stage (~E14-16) | Terminal bud stage (~E16-18) | |||
|---|---|---|---|---|---|
| Early | Late | Early | Late | ||
| Terminal bud | − | − | +C, (M) | ||
| Epithelial stalk | − | ||||
| Presumptive duct | − | − | |||
| Pro-acini | +C, M | +A, L(C) | |||
| Juxta-acinar cells | +A | +A | |||
| Intralobular duct | − | +A | |||
| Interlobular duct | − | − | |||
− negative staining, + positive staining, C cytoplasmic staining, M membrane staining, A apical staining, L lateral staining, () weak staining, empty slots: structure not present