LncRNA AWPPH promotes osteosarcoma progression via activation of Wnt/β-catenin pathway through modulating miR-93-3p/FZD7 axis.

Long noncoding RNAs (lncRNAs) have important regulatory roles in osteosarcoma (OS) progression. Recent researches have shown lncRNA AWPPH promotes lung cancer progression and bladder cancer development. Yet, the function of AWPPH in OS is unknown. In this research, results indicated AWPPH levels were increased in OS tissues in contrast to paracancerous controls. Up-regulated AWPPH was associated with advanced stage, tumor size and metastasis. Besides, AWPPH up-regulation indicated a low survival rate in OS patients. Silencing of AWPPH suppressed proliferation, migration and invasion of OS cells. Mechanistically, AWPPH was demonstrated to sponge miR-93-3p and promote FZD7 expression, causing activation of Wnt/β-catenin. Inhibition of miR-93-3p effectively reversed the effects of AWPPH knockdown on OS cells. Collectively, our findings suggested AWPPH may be a prognostic biomarker and potential therapeutic target. AWPPH enhances FZD7-mediated activation of Wnt/β-catenin by sponging miR-93-3p to promote OS progression.

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