AQP5 and breast carcinoma: Likewise, the same group, in their subsequent study [23], analyzed AQP5 expression among 447 early-stage breast cancer patients and reported that 59.7% patients were identified as AQP5 over expression (positive), while in our analysis based on 591 breast cancer patients among all different stages, AQP5 overexpression was observed in 36% of analyzed patients.