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Published in: Annals of Surgical Oncology 1/2014

01-01-2014 | Thoracic Oncology

Down-Regulation of Stromal Caveolin-1 Expression in Esophageal Squamous Cell Carcinoma: A Potent Predictor of Lymph Node Metastases, Early Tumor Recurrence, and Poor Prognosis

Authors: Yibin Jia, MD, Nana Wang, MD, Jianbo Wang, MD, Hui Tian, MD, Wei Ma, MD, Kai Wang, MD, Bingxu Tan, MD, Guangyu Zhang, MD, Shengsi Yang, MD, Bing Bai, MD, Yufeng Cheng, MD, PhD

Published in: Annals of Surgical Oncology | Issue 1/2014

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Abstract

Background

Recent studies have identified loss of stromal caveolin-1 (Cav-1) expression as a new prognostic histological characteristic in various types of human cancers. However, the clinical and pathological significance of stromal Cav-1 expression in esophageal squamous cell carcinoma (ESCC) remains largely unknown. We examined Cav-1 expression in both tumor and stromal cells in ESCC tissue by immunohistochemical analysis to evaluate its clinicopathological significance and prognostic value.

Methods

A total of 110 patients with ESCC who underwent surgical resection were included in this study. The expression of Cav-1 in both tumor and stromal cells in esophageal tumor tissues was examined immunohistochemically.

Results

Cav-1 expression was found in the cytoplasm of both tumor and stromal cells. Tumor Cav-1 overexpression was observed in 37.3 % tumors, which correlated to deeper tumor invasion (p = 0.038). Down-regulation of stromal Cav-1 expression was observed in 40.9 % tumors. The stromal Cav-1 down-regulation group had more lymph node metastases and more locoregional recurrences than those with higher expression (p = 0.020 and p = 0.002, respectively). In addition, down-regulation of stromal Cav-1 expression was associated with shorter disease-free survival (p < 0.001) and overall survival (p < 0.001). Multivariate analysis revealed that down-regulation of stromal Cav-1 expression was an independent prognostic factor for both disease-free survival (p = 0.028) and overall survival (p = 0.007).

Conclusions

Down-regulation of stromal Cav-1 expression in ESCC had high malignant potential. It predicts high-risk of lymph node metastases and locoregional recurrence, and it could be a powerful prognostic marker for patients with ESCC.
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Metadata
Title
Down-Regulation of Stromal Caveolin-1 Expression in Esophageal Squamous Cell Carcinoma: A Potent Predictor of Lymph Node Metastases, Early Tumor Recurrence, and Poor Prognosis
Authors
Yibin Jia, MD
Nana Wang, MD
Jianbo Wang, MD
Hui Tian, MD
Wei Ma, MD
Kai Wang, MD
Bingxu Tan, MD
Guangyu Zhang, MD
Shengsi Yang, MD
Bing Bai, MD
Yufeng Cheng, MD, PhD
Publication date
01-01-2014
Publisher
Springer US
Published in
Annals of Surgical Oncology / Issue 1/2014
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-013-3225-x

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