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Tumor Biology

, Volume 37, Issue 10, pp 14311–14319 | Cite as

FBXO25 promotes cell proliferation, invasion, and migration of NSCLC

  • Gui-Yang Jiang
  • Xiu-Peng Zhang
  • Liang Wang
  • Xu-Yong Lin
  • Juan-Han Yu
  • En-Hua Wang
  • Yong Zhang
Original Article

Abstract

FBXO25 is a recently discovered protein that belongs to the Fbx class of the F-box family of proteins, and F-box proteins play a crucial role in tumorigenesis. However, the function of FBXO25 in cancer was not revealed so far. As measured by immunohistochemical staining, FBXO25 was highly expressed in the cytoplasm and nucleus of lung cancer samples (64.2 %, 136/212), compared with adjacent normal lung tissues (23.3 %, 7/30, p < 0.01). In addition, its expression was positively correlated with TNM staging (p < 0.001) and lymph node metastasis (p = 0.017). The overall survival of non-small-cell lung cancer (NSCLC) patients with FBXO25-positive expression (40.646 ± 1.745 months) was significantly reduced compared with those with FBXO25-negative expression (46.548 ± 2.176 months, p = 0.023). Consistently, we found that the proliferation, invasion, and migration capacity of A549 cells transfected with FBXO25 were significantly greater than those of control cells, while interference of FBXO25 could significantly inhibit cell proliferation, invasion, and migration in H1299 cells. Furthermore, we demonstrated that FBXO25 could regulate the expression of β-catenin, YAP, some cyclins, and matrix metalloproteinases (MMPs). Collectively, these results indicate that FBXO25 may promote the tumorigenicity of lung cancer cells and might serve as a novel therapeutic target of NSCLC.

Keywords

FBXO25 NSCLC Proliferation Invasion Migration 

Notes

Acknowledgments

We are grateful to Dr. Hiroshi Kijima (Department of Pathology and Bioscience, Hirosaki University Graduate School of Medicine, Japan) for providing the LK2 cell line mentioned in this manuscript. This work was supported by grants from the National Natural Science Foundation of China (No. 81272606 to Enhua Wang, No.81302192 to Liang Wang, and No.81402369 to Guiyang Jiang) and the Natural Science Foundation of Liaoning Province (No. 2013021049 to Yong Zhang).

Compliance with ethical standards

Conflicts of interest

The authors declare that they have no competing financial interests.

Supplementary material

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Supplementary Figure 1

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High Resolution Image (TIFF 2597 kb)

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Copyright information

© International Society of Oncology and BioMarkers (ISOBM) 2016

Authors and Affiliations

  • Gui-Yang Jiang
    • 1
  • Xiu-Peng Zhang
    • 1
  • Liang Wang
    • 1
  • Xu-Yong Lin
    • 1
  • Juan-Han Yu
    • 1
  • En-Hua Wang
    • 1
  • Yong Zhang
    • 2
  1. 1.Department of Pathology, First Affiliated Hospital and College of Basic Medical SciencesChina Medical UniversityShenyangChina
  2. 2.Department of PathologyCancer Hospital of China Medical UniversityShenyangChina

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