MicroRNA-410 promotes cell proliferation by targeting BRD7 in non-small cell lung cancer

FEBS Lett. 2015 Aug 4;589(17):2218-23. doi: 10.1016/j.febslet.2015.06.031. Epub 2015 Jul 3.

Abstract

miR-410 acts as an oncogene or tumor suppressor gene in some malignancies. However, its role in NSCLC is still unknown. In this study, we showed that the expression of miR-410 was up-regulated in both human NSCLC tissues and cells. Overexpression of miR-410 promoted cell proliferation, migration, and invasion of NSCLC. In addition, bromodomain-containing protein 7 (BRD7) was a direct target of miR-410. MiR-410-mediated downregulation of BRD7 led to increase Akt phosphorylation. Inhibition of Akt phosphorylation can rescue the effect of miR-410 on NSCLC cell. The expression of BRD7 was downregulated in NSCLC and was inversely expressed with miR-410 in NSCLC. Our data provided new knowledge regarding the role of miR-410 in the lung cancer progression.

Keywords: Bromodomain-containing protein 7; Non-small cell lung cancer; miR-410; microRNA.

MeSH terms

  • 3' Untranslated Regions / genetics
  • Adult
  • Base Sequence
  • Blotting, Western
  • Carcinoma, Non-Small-Cell Lung / genetics*
  • Carcinoma, Non-Small-Cell Lung / metabolism
  • Carcinoma, Non-Small-Cell Lung / pathology
  • Cell Line
  • Cell Line, Tumor
  • Cell Movement / genetics
  • Cell Proliferation / drug effects*
  • Chromosomal Proteins, Non-Histone / genetics*
  • Chromosomal Proteins, Non-Histone / metabolism
  • Female
  • Gene Expression Regulation, Neoplastic
  • Humans
  • Lung Neoplasms / genetics*
  • Lung Neoplasms / metabolism
  • Lung Neoplasms / pathology
  • Male
  • MicroRNAs / genetics*
  • Middle Aged
  • Proto-Oncogene Proteins c-akt / genetics
  • Proto-Oncogene Proteins c-akt / metabolism
  • RNA Interference
  • Reverse Transcriptase Polymerase Chain Reaction
  • Sequence Homology, Nucleic Acid
  • Signal Transduction / genetics

Substances

  • 3' Untranslated Regions
  • BRD7 protein, human
  • Chromosomal Proteins, Non-Histone
  • MIRN410 microRNA, human
  • MicroRNAs
  • Proto-Oncogene Proteins c-akt