Oncotarget

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The dual role and therapeutic potential of high-mobility group box 1 in cancer

Si-Jia He, Jin Cheng, Xiao Feng, Yang Yu, Ling Tian and Qian Huang _

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Oncotarget. 2017; 8:64534-64550. https://doi.org/10.18632/oncotarget.17885

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Abstract

Si-Jia He1,2, Jin Cheng1,2, Xiao Feng1,2, Yang Yu3, Ling Tian1,2,4 and Qian Huang1,2

1Cancer Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

2Shanghai Key Laboratory of Pancreatic Diseases, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

3Oncology Department, Henan Provincial People’s Hospital, Zhengzhou, China

4Institute of Translational Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

Correspondence to:

Qian Huang, email: [email protected]

Keywords: HMGB1, RAGE, TLRs, cancer, anticancer therapy

Received: September 26, 2016    Accepted: April 24, 2017    Published: May 16, 2017

ABSTRACT

High-mobility group box 1 (HMGB1) is an abundant protein in most eukaryocytes. It can bind to several receptors such as advanced glycation end products (RAGE) and Toll-like receptors (TLRs), in direct or indirect way. The biological effects of HMGB1 depend on its expression and subcellular location. Inside the nucleus, HMGB1 is engaged in many DNA events such as DNA repair, transcription, telomere maintenance, and genome stability. While outside the nucleus, it possesses more complicated functions, including regulating cell proliferation, autophagy, inflammation and immunity. During tumor development, HMGB1 has been characterized as both a pro- and anti-tumoral protein by either promoting or suppressing tumor growth, proliferation, angiogenesis, invasion and metastasis. However, the current knowledge concerning the positive and negative effects of HMGB1 on tumor development is not explicit. Here, we evaluate the role of HMGB1 in tumor development and attempt to reconcile the dual effects of HMGB1 in carcinogenesis. Furthermore, we would like to present current strategies targeting against HMGB1, its receptor or release, which have shown potentially therapeutic value in cancer intervention.


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