Pecanex functions as a competitive endogenous RNA of S-phase kinase associated protein 2 in lung cancer

Investigating the RNA-RNA interaction involving in the initiation and progression of non-small cell lung cancer (NSCLC) may provide promising diagnostic and targeted therapeutic strategies. Here, we showed that pecanex (PCNX) positively regulates the mRNA and protein expressions of S-phase kinase associated protein 2 (Skp2) in miRNA- and 3' UTR-dependent manners. And miR-26, miR-182, miR-340 and miR-506 were verified as the common miRNAs shared by Skp2 and PCNX. Intriguingly, we initially uncovered that PCNX-3' UTR promotes cell growth, proliferation and cell cycle progression, and suppresses apoptosis of lung cancer cells, which is consistent with the oncogenic activity of Skp2-3' UTR.

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