ER stress and UPR play a significant role in plasma differentiation and MM.
10">IRE1α-XBP1 signaling pathway is an important branch of UPR.
15">XBP1s levels could predict the prognosis of MM.
XBP1s levels could assess the effect of thalidomide and bortezomib therapy.
Many targeted drugs develop anti-tumor effect by regulating IRE1α-XBP1 pathway.