Abstract
Esophageal squamous cell carcinoma (ESCC) is a common malignancy of the gastrointestinal tract with a single therapeutic option and a lack of effective clinical therapeutic biomarkers. Extracellular matrix (ECM) remodeling plays a pro-carcinogenic role in a variety of malignancies, but its role in esophageal squamous carcinoma remains to be elucidated. In this study, we examined the expression levels of ECM remodeling markers in 71 pairs of esophageal squamous carcinoma tissues and normal tissues adjacent to the carcinoma using immunohistochemical staining, and analyzed their relationship with clinicopathological features and prognosis. The results suggested that extracellular matrix remodeling markers (integrin αV, fibronectin, MMP9) were abnormally highly expressed in esophageal squamous carcinoma tissues. There was a statistically significant difference between the positive expression of ECM remodeling and the TNM stage of esophageal squamous carcinoma, and there was no statistically significant correlation with age, gender and carcinoembryonic antigen expression, differentiation degree, T stage, and lymph node metastasis. Overall survival rate and overall survival time were significantly lower in patients with positive ECM remodeling expression, which was an independent risk factor for poor prognosisof esophageal squamous carcinoma.
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