Expression and significance of angiopoietin-2 and cyclin D1 in laryngeal squamous cell carcinoma and the correlation with prognosis

Liu,Yi-Fei; Zhang,Jian-Guo; Ni,Hao-Sheng; Liu,Hao; Zhang,Shu; Huang,Hua; Shi,Gong-Sheng

doi:10.3892/etm.2013.1282

November 2013 Volume 6 Issue 5

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November 2013 Volume 6 Issue 5

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Article

Expression and significance of angiopoietin-2 and cyclin D1 in laryngeal squamous cell carcinoma and the correlation with prognosis

Authors:
- Yi-Fei Liu
- Jian-Guo Zhang
- Hao-Sheng Ni
- Hao Liu
- Shu Zhang
- Hua Huang
- Gong-Sheng Shi
View Affiliations / Copyright

Affiliations: Department of Pathology, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China, Department of Otolaryngology, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
Pages: 1137-1144
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Published online on: September 2, 2013

https://doi.org/10.3892/etm.2013.1282
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Abstract

The aim of this study was to study the expression of angiopoietin-2 (Ang-2) and the cell cycle protein D1 (cyclin D1) in laryngeal squamous cell carcinoma (SCC), and its clinicopathological meaning. The expression of Ang-2 and cyclin D1 was analyzed in 116 cases of laryngeal SCC, five cases of atypical hyperplasia and five cases of vocal polyp tissues using the immunohistochemical streptavidin-perosidase (S-P) method. Ang-2 and cyclin D1 protein expression was not present in 5 cases of atypical hyperplasia or 5 cases of vocal cord polyps. However, the proportions of positive staining in well, moderately and poorly differentiated laryngeal SCC were 40, 66.7 and 100%, respectively, for Ang-2 and 50, 66.7, 100%, respectively, for cyclin D1, and were statistically significant (P<0.05). The expression of Ang-2 was positively correlated with cyclin D1 in the laryngeal SCC (r=0.5042; P<0.05). This showed that the tumor grading and cyclin D1 were independent factors affecting laryngeal SCC patient survival by the Cox regression model of risk factors proportion analysis. Ang-2 is synergistic with cyclin D1 in the development of laryngeal SCC. Ang-2 is associated with the metastasis of lymph nodes. Detection of both Ang-2 and cyclin D1 may possess clinical significance in evaluating the prognosis and guiding the clinical treatment of SCC.

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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

Expression and significance of angiopoietin-2 and cyclin D1 in laryngeal squamous cell carcinoma and the correlation with prognosis

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