Fig. 2

Quantified XBP1s upregulation upon pharmacologically induced ER stress. MDA-MB-231 cells were treated with UPR inducers Tg (0.5 mM, 48 h), Tm (1 μg/ml, 16 h), BFA (0.5 μg/ml, 16 h) and DTT (4 mM, 2 h) before being assessed by immunoblot (a) and XBP1 biochip (b)