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01.12.2014 | Research | Ausgabe 1/2014 Open Access

World Journal of Surgical Oncology 1/2014

Glucose-regulated protein 78 and heparanase expression in oral squamous cell carcinoma: correlations and prognostic significance

Zeitschrift:
World Journal of Surgical Oncology > Ausgabe 1/2014
Autoren:
Fei Xia, Jin Cheng Xu, Pei Zhang, Yuan Yuan Zhang, Qian Wen Zhang, Zhen Hua Chao, Fang Wang
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1477-7819-12-121) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

FX carried out experimental procedures and drafted manuscript. PZ, YYZ, QWZ, ZHC, and FW participated in the study design and were involved in the collection of clinical data and specimens. JCX designed the study and gave conceptual advice. All authors read and approved the final manuscript.

Abstract

Background

The aim of the present study was to investigate the expression of glucose-related protein 78 (GRP78) and heparanase (HPA) in oral squamous cell carcinoma (OSCC) and their relationship with clinicopathological parameters and potential implications for survival.

Methods

A total of 46 patients with OSCC and 10 normal individuals were recruited for the study. GRP78 and HPA expression were determined in the lesion tissues using immunohistochemical analysis. The correlation between GRP78 and HPA was assessed using the Spearman correlation analysis. The associations of GRP78 and HPA with clinicopathological characteristics and survival were examined using the x2-test, Kaplan–Meier, or Cox regression.

Results

Patients with OSCC showed a statistically significant higher prevalence of GRP78 and HPA expression than normal oral tissues. GRP78 and HPA expression was positively correlated with size, TNM stage, histological grade, lymphatic metastasis, and distant metastasis in OSCC patients. GRP78 expression was also positively correlated with HPA expression. Positive GRP78 and HPA expression was inversely correlated with survival in OSCC patients.

Conclusions

HPA expression was found to be positively correlated with GRP78 expression. GRP78 and HPA are biomarkers that may have the potential to guide the treatment of oral cancer patients.
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