Retraction Note: LncRNA TUBA4B functions as a competitive endogenous RNA to inhibit gastric cancer progression by elevating PTEN via sponging miR-214 and miR-216a/b

撤稿声明：lncRNA TUBA4B 作为一种竞争性内源 RNA，通过海绵吸附 miR-214 和 miR-216a/b 来上调 PTEN 表达，从而抑制胃癌进展。