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Oncol Lett. 2019 Feb;17(2):1401-1408. doi: 10.3892/ol.2018.9764. Epub 2018 Nov 27.

SUN2: A potential therapeutic target in cancer.

Oncology letters

Xin Chen, Yu Chen, Hui-Min Huang, Hai-Di Li, Fang-Tian Bu, Xue-Yin Pan, Yang Yang, Wan-Xia Li, Xiao-Feng Li, Cheng Huang, Xiao-Ming Meng, Jun Li

Affiliations

  1. School of Pharmacy, Anhui Medical University, Hefei, Anhui 230032, P.R. China.
  2. The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, Anhui 230032, P.R. China.
  3. Institute for Liver Diseases of Anhui Medical University, Hefei, Anhui 230032, P.R. China.
  4. Department of Pharmacy, Anqing Municipal Hospital, Anqing, Anhui 246003, P.R. China.

PMID: 30675193 PMCID: PMC6341589 DOI: 10.3892/ol.2018.9764

Abstract

The incidence of cancer is increasing at an alarming rate despite recent advances in prevention strategies, diagnostics and therapeutics for various types of cancer. The identification of novel biomarkers to aid in prognosis and treatment for cancer is urgently required. Uncontrolled proliferation and dysregulated apoptosis are characteristics exhibited by cancer cells in the initiation of various types of cancer. Notably, aberrant expression of crucial oncogenes or cancer suppressors is a defining event in cancer occurrence. Research has demonstrated that SAD1/UNC84 domain protein-2 (SUN2) serves a suppressive role in breast cancer, atypical teratoid/rhabdoid tumors and lung cancer progression. Furthermore, SUN2 inhibits cancer cell proliferation, migration and promotes apoptosis. Recent reports have also shown that SUN2 serves prominent roles in resistance to the excessive DNA damage that destabilizes the genome and promotes cancer development, and these functions of SUN2 are critical for evading initiation of cancer. Additionally, increasing evidence has demonstrated that SUN2 is involved in maintaining cell nuclear structure and appears to be a central component for organizing the natural nuclear architecture in cancer cells. The focus of the present review is to provide an overview on the pharmacological functions of SUN2 in cancers. These findings suggest that SUN2 may serve as a promising therapeutic target and novel predictive marker in various types of cancer.

Keywords: DNA damage; SUN2; apoptosis; cancer; proliferation

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