After blocking, the PVDF membranes were incubated overnight at 4[degrees]C with IRE1[alpha] (1:800), p-IRE1[alpha] (1:600),
caspase 12 (1:800), C/EBP homologous protein (CHOP, 1:1000), and 78 kDa glucose-regulated protein (GRP78, 1:1000), all rabbit antibodies (CST, USA).