Table 1 Sequences of siRNAs used in this study

Name	Sequence
si-HOTAIR-1162	Sense: 5′-CAAUAUAUCUGUUGGGCGUTT-3′ Antisense: 3′-ACGCCCAACAGAUAUAUUGTT-5′
si-HOTAIR-536	Sense: 5′-GCCUUCCUUAUAAGCUCGUTT-3′ Antisense: 3′-ACGAGCUUAUAAGGAAGGCTT-5′
si-HOTAIR-1597	Sense: 5′-GGAAGCUCUUGAAGGUUCATT-3′ Antisense: 3′-UGAACCUUCAAGAGCUUCCTT-5′
si-HuR	Sense: 5′-GGUUUGGGCGGAUCAUCAATT-3′ Antisense: 5′-UUGAUGAUCCGCCCAAACCTT-3′
si-IGF2BP1	Sense: 5′-CCAGGUUAAGCAGCAGCAUTT-3′ Antisense: 5′-AUGCUGCUGCUUAACCUGGTT-3′
si-NC	Sense: 5′-UUCUCCGAACGUGUCACGUTT-3′ Antisense: 5′-ACGUGACACGUUCGGAGAATT-3′