lncRNA CASC2 suppresses the growth of hemangioma cells by regulating miR-18a-5p/FBXL3 axis

Journal of Biological Regulators and Homeostatic Agents
Y X DaiJ M Ou

Abstract

Dysregulation of lncRNA cancer susceptibility candidate 2 (CASC2) is involved in the pathogenesis of multiple malignancies. However, the underlying mechanisms by which lncRNA CASC2 regulates the proliferation of hemangiomas (HAs) remain undocumented. Herein, the expression levels of lncRNA CASC2 and VEGF in proliferating or involuting phase HAs were assessed by qRT-PCR analysis, and the effects of lncRNA CASC2 on HAs cell growth were evaluated by MTT, colony formation assays and Western blot analysis. lncRNA CASC2 specific binding with miR-18a-5p was confirmed by luciferase report assay. Consequently, we found that the expression of lncRNA CASC2 was reduced in proliferating phase HAs as compared with the involuting phase HAs or normal tissues, and possessed a negative correlation with VEGF expression in proliferating phase HAs. Restored expression of lncRNA CASC2 repressed cell viability and colony formation and downregulated VEGF expression, while silencing lncRNA CASC2 showed the opposite effects. Moreover, lncRNA CASC2 was confirmed to bind with miR-18a-5p, which could reverse lncRNA CASC2-induced anti-proliferative effects by targeting FBXL3 in HAs cells. Altogether, our findings demonstrated that lncRNA CASC2 suppressed th...Continue Reading

Citations

Jun 18, 2020·Biology·Milad AshrafizadehReza Mohammadinejad
Jul 6, 2021·Computational and Mathematical Methods in Medicine·Shan GaoXuefeng Ren

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