XBP1 and gastric cancer: After the screening, a total of 15 proteins, including X4EBP1_pS65, CKIT, CAVEOLIN1, COLLAGENVI, CD20, MYH11, RAPTOR, XBP1, CLAUDIN7, EIF4E, SYK, FASN, NDRG1_pT346, P90RSK, and TIGAR, were identified for both analyses that were significantly related to the overall survival of GC patients (Table 1).