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Molecular and Cellular Biochemistry

, Volume 410, Issue 1–2, pp 25–35 | Cite as

NF45 overexpression is associated with poor prognosis and enhanced cell proliferation of pancreatic ductal adenocarcinoma

  • Chunhua Wan
  • Chen Gong
  • Li Ji
  • Xiaorong Liu
  • Yayun Wang
  • Liang Wang
  • Mengting Shao
  • Linlin Yang
  • Shaoqing Fan
  • Yin Xiao
  • Xiaotong Wang
  • Manhua Li
  • Guoxiong ZhouEmail author
  • Yixin ZhangEmail author
Article

Abstract

NF45, also referred to as nuclear factor of activated T cells, has been reported to promote the progression of multiple cancer types. However, the expression and physiological significance of NF45 in pancreatic ductal adenocarcinoma (PDAC) remain largely elusive. In this study, we investigated the clinical relevance and potential role of NF45 expression in PDAC development. Western blot analysis revealed that NF45 was remarkably upregulated in PDAC tissues, compared with the adjacent non-tumorous ones. In addition, the expression of NF45 in 122 patients with PDAC was evaluated using immunohistochemistry. In this way, we found that NF45 was abundantly expressed in PDAC tissues, and the expression of NF45 was correlated with tumor size (p = 0.007), histological differentiation (p = 0.033), and TNM stage (p = 0.001). Importantly, patients with low levels of NF45 expression exhibited better postoperative prognosis as compared with those with high NF45 expression. Furthermore, using PDAC cell cultures, we found that interference of NF45 expression using siRNA oligos suppressed PDAC cell proliferation and retarded cell cycle progression. Moreover, depletion of NF45 impaired the levels of cellular cyclin E and proliferating cell nuclear antigen (PCNA). Conversely, overexpression of NF45 facilitated the cell growth and accelerated cell cycle progression. Our results establish NF45 as an important indicator of PDAC prognosis with potential utility as a therapeutic target in this lethal disease.

Keywords

NF45 Pancreatic ductal adenocarcinoma (PDAC) Prognosis Cell proliferation 

Notes

Acknowledgments

We thank Dr. Martin Holcik of University of Ottawa for kindly offering us the pcDNA3-Flag-NF45 construct. This work was supported by the National Natural Scientific Foundation of China (No. 81072028) and Jiangsu Province’s Outstanding Medical Academic Leader program (No. LJ101135).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

11010_2015_2535_MOESM1_ESM.tif (1.1 mb)
Supplementary material 1 (TIFF 1160 kb)

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Chunhua Wan
    • 1
    • 2
  • Chen Gong
    • 3
  • Li Ji
    • 3
  • Xiaorong Liu
    • 2
  • Yayun Wang
    • 2
  • Liang Wang
    • 2
  • Mengting Shao
    • 2
  • Linlin Yang
    • 2
  • Shaoqing Fan
    • 3
  • Yin Xiao
    • 3
  • Xiaotong Wang
    • 3
  • Manhua Li
    • 3
  • Guoxiong Zhou
    • 3
    Email author
  • Yixin Zhang
    • 4
    Email author
  1. 1.Department of Nutrition and Food Hygiene, School of Public HealthNantong UniversityNantongChina
  2. 2.Jiangsu Province Key Laboratory for Inflammation and Molecular Drug TargetNantong UniversityNantongChina
  3. 3.Department of GastroenterologyAffiliated Hospital of Nantong UniversityNantongChina
  4. 4.Department of General SurgeryNantong University Cancer HospitalNantongChina

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