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Expression of the estrogen receptor α (ERα) in PRL-induced mammary cancers
| Number of stained tumors | ERα positive | ERα negative | ||
|---|---|---|---|---|
| Homogeneous | Mixed | |||
| Total | 16 | 2 (12.5 %) | 7 (43.8 %) | 7 (43.8 %) |
| NRL-PRL (line 1647-13) | 7 | 1 (14.3 %) | 3 (42.9 %) | 3 (42.9 %) |
| NRL-PRL (line 1655-8) | 9 | 1 (11.1 %) | 4 (44.4 %) | 4 (44.4 %) |
