High mobility group box 1 regulates tumor metastasis in cutaneous squamous cell carcinoma via the PI3K/AKT and MAPK signaling pathways

Sun,Ying; Tu,Ying; He,Li; Ji,Chao; Cheng,Bo

doi:10.3892/ol.2015.3843

January-2016 Volume 11 Issue 1

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January-2016 Volume 11 Issue 1

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Article Open Access

High mobility group box 1 regulates tumor metastasis in cutaneous squamous cell carcinoma via the PI3K/AKT and MAPK signaling pathways

Authors:
- Ying Sun
- Ying Tu
- Li He
- Chao Ji
- Bo Cheng
View Affiliations / Copyright

Affiliations: Department of Dermatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, P.R. China, Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Yunnan Provincial Institute of Dermatology, Kunming, Yunnan 650032, P.R. China, Department of Dermatology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China

Copyright: © Sun et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
Pages: 59-62
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Published online on: October 29, 2015

https://doi.org/10.3892/ol.2015.3843
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Abstract

The present study examined the mechanisms of high mobility group box 1 (HMGB1)-induced cell migration in human cutaneous squamous cell carcinoma (CSCC) SCC13 cells. Western blotting, a chemotaxis assay and ELISA were performed to analyze HMGB1 level in SCC13 cells and its ability to regulate tumor metastasis. The results demonstrated a significantly higher level of HMGB1 in the SCC13 cell supernatant compared with the human epidermoid carcinoma A431 cell supernatant. Administration of HMGB1 to the SCC13 cells caused cell migration, which occurred in a time‑ and dose‑dependent manner. Moreover, HMGB1 significantly activated the phosphosphoinositide 3-kinase (PI3K)/AKT and mitogen‑activated protein kinase (MAPK) signaling pathways by an increased level of phosphorylation in p85PI3K, AKT, p38 and p42/44 MAPK. Taken together, these data suggest that HMGB1 regulates tumor metastasis in CSCC via the PI3K/AKT and MAPK signaling pathways.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

High mobility group box 1 regulates tumor metastasis in cutaneous squamous cell carcinoma via the PI3K/AKT and MAPK signaling pathways

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