Abstract
BackgroundNasopharyngeal carcinoma (NPC), which is a form of cancer arising from the epithelium of the nasopharynx, remains highly prevalent, particularly in Southeast Asia and Southern China. Dysregulated long non-coding RNAs (lncRNAs) are involved in several malignancies, including the growth and aggression of tumors. LncRNA IGBP1-AS1 plays an important role in the advancement of breast cancer, but its role in NPC has not yet been explored.MethodsLncRNA IGBP1-AS1 levels in human NPC samples compared with their matched adjacent normal tissues by quantitative reverse transcription polymerase chain reaction (qRT-PCR). The proliferation alteration of NPC cells was tested in vitro. Luciferase reporter assay and RNA immunoprecipitation (RIP) were carried out to reveal the interaction between lncRNA IGBP1-AS1, miR-150-5p, and zinc finger e-box binding homeobox 1 (ZEB1).ResultsIn the study, we found that IGBP1-AS1 was found to be significantly upregulated in the NPC samples and cell lines. The knockdown of IGBP1-AS1 impeded in-vitro proliferation of the NPC cells. Bioinformatics and reporter assays revealed an association between IGBP1-AS1 and miR-150-5p. The expression of ZEB1 was increased by the microRNA (miRNA) sequestering in human NPC.ConclusionsThe progression of NPC tumors is facilitated by lncRNA IGBP1-AS1 via miR-150-5p and regulates ZEB1 expression.
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