Long non-coding RNA ZEB1-AS1 is associated with poor prognosis in gastric cancer and promotes cancer cell metastasis

European Review for Medical and Pharmacological Sciences
X-J LiuW-C Wang

Abstract

To investigate the expression of long non-coding RNA zinc-finger E-box binding homeobox 1-AS1 (lncRNA ZEB1-AS1) in gastric cancer cells and tissues, to study its effect on the gastric cancer cell metastasis capacity, and analyze its clinical significance. The relative expression level of lncRNA ZEB1-AS1 in gastric cancer cells was detected via quantitative reverse transcription polymerase chain reaction (qRT-PCR). Transwell assay was used to detect the effects of lncRNA ZEB1-AS1 on the invasion and metastasis capacities of gastric cancer cells. qRT-PCR was used to detect the relative expression level of lncRNA ZEB1-AS1 in 75 pairs of gastric cancer tissues, and the correlations of its expression with the pathological characteristics and prognosis of patients were statistically analyzed. qRT-PCR showed that compared with that in the normal gastric epithelial cell (GES-1), the expression level of lncRNA ZEB1-AS1 was up-regulated in gastric cancer cells (MKN28, MKN45, BGC823, MGC803, KATOIII, and SGC7901). LncRNA ZEB1-AS1 interfering sequence was transfected into model cells, and Transwell assay showed that the cell invasion and migration capacities were significantly inhibited. qRT-PCR also revealed that the expression of lncRNA ...Continue Reading

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