Table 1. frequency of PTEN and INPP4B loss in PDX models of ER+, HER2+ and triple-negative (TN) breast cancer, determined by IHC analysis.
Subtype | N° of PDX | PTEN loss (%) | INPP4B loss (%) | both |
---|---|---|---|---|
ER+ | 17 | 4 (24%) | 2 (12%) | 0 |
HER2+ | 8 | 0 | 0 | 0 |
Triple-negative | 42 | 23 (55%) | 32 (76%) | 17 (41%) |
Total | 67 | 27 (41%) | 34 (51%) | 17 (26%) |