Table 3.
Expression of the ErbB family members in PRL-induced mammary cancers.
| Number of stained tumors | EGFR | ErbB2 | ErbB3 | ErbB4 | |
|---|---|---|---|---|---|
| Total | 16 | 4 (25.0 %) | 16 (100 %) | 7 (43.8%) | 9 (56.3%) |
| NRL-PRL (line 1647-13) | 7 | 3 (42.9 %) | 7 (100 %) | 4 (42.9 %) | 4 (57.1 %) |
| NRL-PRL (line 1655-8) | 9 | 1 (11.1 %) | 9 (100 %) | 3 (33.3 %) | 5 (55.5 %) |