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Article

Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma

  • Authors:
    • Jirong Yin
    • Juncheng Wang
    • Yi Jiang
    • Lili Wang
    • Hao Wu
    • Hongchen Liu
  • View Affiliations / Copyright

    Affiliations: Dental Institute, Chinese PLA General Hospital, Beijing 100853, P.R. China
  • Pages: 3077-3087
    |
    Published online on: September 11, 2015
       https://doi.org/10.3892/or.2015.4271
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Abstract

NIN1/RPN12 binding protein 1 homolog (NOB1) facilitates the maturation of the 20S proteasome and is then degraded by 26S proteasome to complete 26S proteasome biogenesis. It also accompanies the pre-40S ribosomes during nuclear export and is cleaved at D-site of 20S pre-rRNA to form mature 18S rRNA in growing cells. NOB1 was reported to be involved in the development of several types of cancer. However, the role of NOB1 in oral squamous cell carcinoma (OSCC) has not been addressed. In the present study, the expression of NOB1 in 50 OSCC patients with different genders, ages, TNM and pathological grades was detected using immunohistochemistry and western blotting. A loss-of‑function study was carried out by the lentivirus‑mediated siRNA knockdown of NOB1 in the CAL27 and TCA-8113 OSCC cell lines. The results showed that, NOB1 expression increased with pathological grades. In the CAL27 and TCA-8113 cell lines, knockdown of NOB1 in OSCC cells decreased cell proliferation, colony formation, increased cell apoptosis and also induced cell cycle arrest in the S phase. The results suggested that NOB1 is important in OSCC development and serves as a candidate indicator of aggressiveness and a therapeutic target of OSCC.
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Copy and paste a formatted citation
Spandidos Publications style
Yin J, Wang J, Jiang Y, Wang L, Wu H and Liu H: Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma. Oncol Rep 34: 3077-3087, 2015.
APA
Yin, J., Wang, J., Jiang, Y., Wang, L., Wu, H., & Liu, H. (2015). Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma. Oncology Reports, 34, 3077-3087. https://doi.org/10.3892/or.2015.4271
MLA
Yin, J., Wang, J., Jiang, Y., Wang, L., Wu, H., Liu, H."Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma". Oncology Reports 34.6 (2015): 3077-3087.
Chicago
Yin, J., Wang, J., Jiang, Y., Wang, L., Wu, H., Liu, H."Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma". Oncology Reports 34, no. 6 (2015): 3077-3087. https://doi.org/10.3892/or.2015.4271
Copy and paste a formatted citation
x
Spandidos Publications style
Yin J, Wang J, Jiang Y, Wang L, Wu H and Liu H: Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma. Oncol Rep 34: 3077-3087, 2015.
APA
Yin, J., Wang, J., Jiang, Y., Wang, L., Wu, H., & Liu, H. (2015). Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma. Oncology Reports, 34, 3077-3087. https://doi.org/10.3892/or.2015.4271
MLA
Yin, J., Wang, J., Jiang, Y., Wang, L., Wu, H., Liu, H."Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma". Oncology Reports 34.6 (2015): 3077-3087.
Chicago
Yin, J., Wang, J., Jiang, Y., Wang, L., Wu, H., Liu, H."Downregulation of NOB1 inhibits proliferation and promotes apoptosis in human oral squamous cell carcinoma". Oncology Reports 34, no. 6 (2015): 3077-3087. https://doi.org/10.3892/or.2015.4271
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