The Expression of β-Galactosidase in Various Tissues at Different Time Points After Ovalbumin Challenge of Eotaxin Null Mice
| . | Untreated . | 6 h . | 12 h . | 18 h . | 24/48 h . |
|---|---|---|---|---|---|
| Lung | − | − | − | + | ++ |
| Thymus | + | + | + | + | ++ |
| Lymph node | + | + | + | + | +++ |
| Intestine | + | + | + | + | + |
| Spleen | − | − | − | − | − |
| . | Untreated . | 6 h . | 12 h . | 18 h . | 24/48 h . |
|---|---|---|---|---|---|
| Lung | − | − | − | + | ++ |
| Thymus | + | + | + | + | ++ |
| Lymph node | + | + | + | + | +++ |
| Intestine | + | + | + | + | + |
| Spleen | − | − | − | − | − |
Frozen tissue sections were examined for β-galactosidase expression by X-gal staining. The intensity of the staining is represented by the number of “+.” The “−” indicates no detectable staining.