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Article

ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro

  • Authors:
    • Peng Jing
    • Jiaqiong Zou
    • Jun Zhang
    • Xingliang Jiang
  • View Affiliations / Copyright

    Affiliations: Clinical Medical College, North Sichuan Medical College, Nan Chong 637000, P.R. China, Faculty of Laboratory Medicine, North Sichuan Medical College, Nan Chong 637000, P.R. China
  • Pages: 1026-1030
    |
    Published online on: January 11, 2013
       https://doi.org/10.3892/mmr.2013.1271
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Abstract

The p63 gene, a member of the p53 gene family, has two different promoter usage‑generating proteins that contain or lack (ΔN) an NH2‑terminus. Although p53 and p63 have high sequence and structural similarities, the molecules differ in function and expression profiles. p63 is critical for the development of epithelial organs or tissues, including the epidermis and other squamous epithelia, as well as the salivary, lachrymal, mammary and prostate glands and the urothelium. In addition, p63 is essential for the proliferative potential of stem cells in the epidermis. In contrast to p53, the role of ΔNp63 in tumors remains unclear and complex. Our previous study demonstrated that ΔNp63 is overexpressed in human bladder carcinoma tissues. The mechanism by which ΔNp63 promotes tumor cell development, including adhesion, proliferation and polarity, is unknown. Data demonstrate that ΔNp63 induces the invasiveness of cancer cells through specific downstream genes and the mechanism is associated with cell junctions. Claudin‑1 is an important p63 target gene for normal skin development. Claudin‑1, as a connexin, functions in a similar manner to other connexins to affect important events during cancer cell development. In the present study, ΔNp63 gene expression in bladder tumor tissues was found to be significantly higher than that in normal tissue, indicating that ΔNp63 is localized to the nucleus. In addition, ΔNp63 silencing decreased invasion and metastasis in UM‑UC‑3 cells and reduced claudin‑1 expression.
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Copy and paste a formatted citation
Spandidos Publications style
Jing P, Zou J, Zhang J and Jiang X: ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro. Mol Med Rep 7: 1026-1030, 2013.
APA
Jing, P., Zou, J., Zhang, J., & Jiang, X. (2013). ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro. Molecular Medicine Reports, 7, 1026-1030. https://doi.org/10.3892/mmr.2013.1271
MLA
Jing, P., Zou, J., Zhang, J., Jiang, X."ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro". Molecular Medicine Reports 7.3 (2013): 1026-1030.
Chicago
Jing, P., Zou, J., Zhang, J., Jiang, X."ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro". Molecular Medicine Reports 7, no. 3 (2013): 1026-1030. https://doi.org/10.3892/mmr.2013.1271
Copy and paste a formatted citation
x
Spandidos Publications style
Jing P, Zou J, Zhang J and Jiang X: ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro. Mol Med Rep 7: 1026-1030, 2013.
APA
Jing, P., Zou, J., Zhang, J., & Jiang, X. (2013). ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro. Molecular Medicine Reports, 7, 1026-1030. https://doi.org/10.3892/mmr.2013.1271
MLA
Jing, P., Zou, J., Zhang, J., Jiang, X."ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro". Molecular Medicine Reports 7.3 (2013): 1026-1030.
Chicago
Jing, P., Zou, J., Zhang, J., Jiang, X."ΔNp63 promotes UM‑UC‑3 cell invasiveness and migration through claudin‑1 in vitro". Molecular Medicine Reports 7, no. 3 (2013): 1026-1030. https://doi.org/10.3892/mmr.2013.1271
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