Objective: Long non-coding (lnc) RNAs are critical regulators in carcinogenesis. The novel lncRNA DEPDC1 antisense RNA 1 () was recently associated with poor prognosis in triple-negative breast cancer and lung adenocarcinoma. However, its role in regulating the malignant progression of gastric cancer (GC) and its molecular mechanism are unclear. We herein explored the functions of in GC progression.
Methods: expression and prognosis in GC tissues were examined by bioinformatics analysis and quantitative reverse transcription polymerase chain reaction. The function in GC cells was explored by the cell counting kit-8 assay, colony formation assay, Transwell assay, terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling, 5-ethynyl-2'-deoxyuridine-incorporation, and the xenograft tumor model. The and human antigen (Hu)R interaction was determined by RNA pull-down and RNA immunoprecipitation.
Results: was overexpressed in GC tissues and cell lines, and associated with a worse prognosis in GC patients. and assays showed that promoted HGC-27 cell proliferation and migration. Mechanistically, served as a scaffold by combining with HuR to target the specific mRNA F11R.
Conclusion: plays a crucial role in GC development and progression and is a potential biomarker for the early detection or prognosis of GC.
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| http://dx.doi.org/10.1177/03000605221093135 | DOI Listing |
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