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  • Title: Linc00460 promotes osteosarcoma progression via miR-1224-5p/FADS1 axis.
    Author: Lian H, Xie P, Yin N, Zhang J, Zhang X, Li J, Zhang C.
    Journal: Life Sci; 2019 Sep 15; 233():116757. PubMed ID: 31419446.
    Abstract:
    AIMS: Previous studies have demonstrated that long non-coding RNAs (lncRNAs) were involved in tumorigenesis in various human neoplasms, including osteosarcoma (OS). However, the expression and specific role of lncRNA linc00460 in OS remain unknown. MATERIALS AND METHODS: Bioinformatics analysis, Quantitative real-time polymerase chain reaction (qRT-PCR), CCK-8 assay, Colony formation assay, Wound healing assay, Transwell assay, Dual luciferase reporter assay, RNA immunoprecipitation and Western blot were utilized to analyze or detect survival, gene expression, cell proliferation, cell migration, cell invasion and interest protein levels, respectively. KEY FINDINGS: In this study, we found high linc00460 expression predicted poor prognosis of pan-cancer patients. Linc00460 was up-regulated in OS tissues and cells. High linc00460 expression was positively correlated with distant metastasis and poor overall survival of OS patients. Knockdown of linc00460 suppressed OS cells proliferation and metastasis in vitro. In addition, an inverse correlation between linc00460/miR-1224-5p and miR-1224-5p/FADS1 was observed in OS. Mechanistically, linc00460 functioned as a competitively endogenous RNA (ceRNA) to up-regulate FADS1 expression via sponging miR-1224-5p in OS, thereby promoting OS progression. SIGNIFICANCE: In conclusion, this study recognized linc00460 as a new oncogenic lncRNA in OS and suggests that the linc00460/miR-1224-5p/FADS1 axis might be a potential therapeutic target for OS.
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