UCA1 and gastric cancer: Likewise, overexpression of lncRNA urothelial cancer associated 1 (UCA1) in intestinal gastric cancer has been associated with reduction in effector T cell cytotoxicity and viability, via PD-L1 upregulation, mediated by UCA1-dependant ‘sponging’ of its translational repressors miR26a/b, miR-214 and miR-193a [117].