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  • Title: MiR-372-3p promotes tumor progression by targeting LATS2 in colorectal cancer.
    Author: Peng H, Pan X, Su Q, Zhu LS, Ma GD.
    Journal: Eur Rev Med Pharmacol Sci; 2019 Oct; 23(19):8332-8344. PubMed ID: 31646563.
    Abstract:
    OBJECTIVE: Many studies suggest that microRNAs can promote the malignant development of tumors. MiRNA-372-3p (miR-372-3p) has been proved to be associated with a variety of cancers. However, the role of miR-372-3p in colorectal cancer (CRC) is unclear. PATIENTS AND METHODS: We analyzed the expression of miR-372-3p in CRC tissues and several CRC cell lines by quantitative Real Time-PCR. The relationship between miR-372-3p and clinical pathology was also analyzed in CRC patients. Kaplan-Meier analysis and Cox multivariate analysis were used to evaluate the prognostic significance of miR-372-3p in CRC. Next, we investigated the biological function of miR-372-3p, including cell proliferation, migration, and invasion and analyzed its potential molecular mechanism in vivo and in vitro. RESULTS: Our data showed that the expression of miR-372-3p was dramatically increased in CRC tissues compared with normal tissues. Moreover, the high expression of miR-372-3p was significantly correlated with tumor size and differentiation. Kaplan-Meier analysis showed that the high miR-372-3p expression group patients had a significantly shorter recurrence-free survival (RFS) and disease-specific survival (DSS) than those with the low miR-372-3p group. The analysis of the prognostic factors revealed that miR-372-3p was an independent prognostic factor for RFS and DSS in CRC patients. The knockdown of miR-372-3p inhibited the proliferation, migration, and invasion in HCT116 and SW480 cells. Interestingly, the overexpression of LATS2 partially reversed the miR-372-3p -mediated cell proliferation, migration, and invasion of CRC. Besides, the Hippo signaling pathway was demonstrated to be activated by decreasing of miR-372-3p in CRC. Thus, our study revealed that miR-372-3p is involved in CRC progression by inhibiting the Hippo signaling pathway through its target LATS2. MiR-372-3p and its target genes with signaling pathways are new hope for precise treatment of CRC. CONCLUSIONS: The upregulation of miR-372-3p was involved in the process of CRC progression by inhibiting the Hippo signaling pathway through inhibition of LATS2. We showed that miR-372-3p and its target genes with signaling pathways are a novel hope for precise treatment of CRC.
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