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The analysis of our original miRNA expression signatures of human cancers revealed that microRNA‑150‑5p (miR‑150‑5p) was downregulated in various types of cancer, indicating that miR‑150‑5p acts as an antitumor miRNA by targeting several oncogenic genes. Thus, the aims of this study were to investigate the antitumor roles of miR‑150‑5p in LUSQ cells and to identify oncogenes regulated by miR‑150‑5p that are involved in the aggressive behavior of LUSQ. The downregulation of miR‑150‑5p was validated in clinical samples of LUSQ and cell lines (SK-MES‑1 and EBC‑1). The ectopic overexpression of miR‑150‑5p significantly suppressed cancer cell aggressiveness. Comprehensive gene expression analyses revealed that miR‑150‑5p regulated 9 genes in the LUSQ cells. Among these, matrix metalloproteinase 14 (MMP14) was found to be a direct target of miR‑150‑5p, as shown by luciferase reporter assay. The knockdown of MMP14 using siRNA against MMP14 (si-MMP14) significantly inhibited cancer cell migration and invasion. The overexpression of MMP14 was detected in clinical specimens of LUSQ by immunohistochemistry. On the whole, these findings suggest that the downregulation of miR‑150‑5p and the overexpression of MMP14 may be deeply involved in the pathogenesis of LUSQ.", "subitem_description_type": "Other"}, {"subitem_description": "Takayuki Suetsugu, Keiichi Koshizuka, Naohiko Seki, Keiko Mizuno, Atsushi Okato, Takayuki Arai, Shunsuke Misono, Akifumi Uchida, Tomohiro Kumamoto, Hiromasa Inoue\nDownregulation of matrix metalloproteinase 14 by the antitumor miRNA, miR‑150‑5p, inhibits the aggressiveness of lung squamous cell carcinoma cells\nInternational Journal of Oncology 2018 52(3) 913-924\nhttps://doi.org/10.3892/ijo.2017.4232", "subitem_description_type": "Other"}]}, "item_5_dissertation_number_55": {"attribute_name": "学位授与番号", "attribute_value_mlt": [{"subitem_dissertationnumber": "甲総研第559号"}]}, "item_5_full_name_2": {"attribute_name": "著者よみ", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "135856", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "スエツグ, タカユキ"}]}]}, 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