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  • Title: LncRNA TRHDE-AS1 and MiR-1275 as Promising Prognostic Biomarkers and Effects on Tumor Cell Progression in Gastric Cancer.
    Author: Liu F, Cui J, Xue D.
    Journal: Tohoku J Exp Med; 2023 Sep 12; 261(1):13-23. PubMed ID: 36792178.
    Abstract:
    Gastric cancer is a common malignant tumor with a relatively poor prognosis after surgery. Non-coding RNA may serve as biomarkers for the progression and prognosis of various cancers. The clinical significance and biological function of lncRNA TRHDE-AS1 and miR-1275 in gastric cancer were assessed in this study. 119 paired tissues were selected with adequate clinical information. Quantitative real-time polymerase chain reaction (qRT-PCR) was used to determine the expression level of lncRNA TRHDE-AS1 and miR-1275 in gastric cancer tissues and cells. The association between lncRNA TRHDE-AS1 or miR-1275 expression and the clinicopathological features of patients was analyzed by the Pearson Chi-square test. Kaplan-Meier analysis and Multi-variate Cox proportional regression analysis were utilized to evaluate the prognostic value of lncRNA TRHDE-AS1 and miR-1275. Finally, the effect of TRHDE-AS1 binding to miR-1275 on the gastric cancer cellular process was investigated by CCK-8 and Transwell assay. LncRNA TRHDE-AS1 was found to be downregulated in gastric cancer tissues and cells, but miR-1275 upregulated, which both showed significant associations with clinical pathology of gastric cancer patients (including TNM stage and lymph node metastasis) and a poor prognosis. LncRNA TRHDE-AS1 and miR-1275 can be considered two independent prognostic factors for gastric cancer. Furthermore, the upregulation of lncRNA TRHDE-AS1 inhibited cell proliferation, migration, and invasion of gastric cancer partly by miR-1275. LncRNA TRHDE-AS1/miR-1275 axis may be involved in the progression of gastric cancer and can be promising prognostic factors, which may provide new insights into the treatment of gastric cancer.
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