Overexpression of SENP3 in oral squamous cell carcinoma and its association with differentiation

Zujun Sun, Shuiqing Hu, Qingqiong Luo, Dongxia Ye, Dan Hu, Fuxiang Chen

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Small ubiquitin-like modifier (SUMO) modification is an important post-translational protein modification that can be reversed by SUMO-specific proteases (SENPs); however, the physiological function of SENPs remains largely unexplored, and little is known about the regulation of SENPs themselves. As one of the crucial members of the SUMO system, SENP3 is essential for rRNA processing and cell proliferation. In the present study, we analysed the expression of SENP3 in human oral squamous cell carcinoma (OSCC) and investigated the correlation between its expression and clinicopathological parameters in OSCC patients. The expression of SENP3 was higher in OSCC tissues than that in the normal mucosa adjacent to the tumor, and a modest increase in reactive oxygen species (ROS) regulated SENP3 stability and localization. ROS induced SENP3 redistribution from the nucleoli to the nucleoplasm. Taken together, these results indicated that the expression level of SENP3 may be associated with the differentiation of OSCC and that SENP3 may play an important role in the development of OSCC under oxidative stress.

Original languageEnglish (US)
Pages (from-to)1701-1706
Number of pages6
JournalOncology Reports
Volume29
Issue number5
DOIs
StatePublished - May 1 2013

Fingerprint

Squamous Cell Carcinoma
Ubiquitin
Reactive Oxygen Species
Post Translational Protein Processing
Mucous Membrane
Oxidative Stress
Peptide Hydrolases
Cell Proliferation
sulfoenolpyruvate
Neoplasms

Keywords

  • Oral squamous cell carcinoma
  • Reactive oxygen species
  • Small ubiquitin-like modifier
  • Small ubiquitin-like modifier-specific proteases

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Overexpression of SENP3 in oral squamous cell carcinoma and its association with differentiation. / Sun, Zujun; Hu, Shuiqing; Luo, Qingqiong; Ye, Dongxia; Hu, Dan; Chen, Fuxiang.

In: Oncology Reports, Vol. 29, No. 5, 01.05.2013, p. 1701-1706.

Research output: Contribution to journalArticle

Sun, Zujun ; Hu, Shuiqing ; Luo, Qingqiong ; Ye, Dongxia ; Hu, Dan ; Chen, Fuxiang. / Overexpression of SENP3 in oral squamous cell carcinoma and its association with differentiation. In: Oncology Reports. 2013 ; Vol. 29, No. 5. pp. 1701-1706.
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