Abstract
ABSTRACT Spindle and Kinetochore Associated Complex Subunit 3 (SKA3) is crucial for anaphase mitosis. However, the relationship between SKA3 and lung adenocarcinoma (LUAD) has not been fully clarified. Differentially expressed genes were first identified by analyzing data from TCGA. It was found that miR-133b was significantly lowly expressed in LUAD, while SKA3 was remarkably highly expressed. Cell Counting Kit-8 (CCK8), wound healing assay and Transwell assay uncovered that overexpressing miR-133b could inhibit the proliferation, invasion and migration of LUAD cells. In addition, the targeting relationship between miR-133b and SKA3 was also verified by dual-luciferase analysis. Moreover, it was proved by the rescue assay that the overexpression of miR-133b significantly downregulated SKA3 in LUAD cells. All in all, these findings revealed the role of miR-133b and SKA3 in regulating the proliferation, migration, and invasion of LUAD cells. This study could yield new information about the mechanisms of LUAD.
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