Expression of FOXP3 in esophageal squamous cell carcinoma relating to the clinical data |
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| Authors: | L. Xue H.‐Q. Lu J. He X.‐W. Zhao L. Zhong Z.‐Z. Zhang Z.‐F. Xu |
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| Affiliation: | 1. Departments of Thoracico‐Cardio Surgery,;2. Laboratory Diagnosis, and;3. Pathology, Changzheng Hospital, Second Military Medical University;4. and;5. Naval Medical Research Institute, Shanghai, China |
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| Abstract: | Forkhead box protein 3 (FOXP3) has been studyed as a biomarker in many human malignancies recently. But in esophageal squamous cell carcinoma (ESCC) the studies are limited. In this study, expression of FOXP3 in ESCC tissue was evaluated in relation to the clinical data. Detection of FOXP3 mRNA was made by using quantitative real‐time PCR while protein expression was assessed by immunocytochemistry (n = 112). The results were correlated to the clinical data including age, gender, carcinoma size, carcinoma differentiation, lymphatic invasion and pathological stage. A significantly higher FOXP3 expression in tumors was confirmed than in normal‐appearing mucosa. The FOXP3 mRNA and protein expressions were higher in advanced stages (stage II B and III) than in early stages (stage I and stage II A). A significantly higher FOXP3 expression in tumors with lymph node metastasis was also confirmed than in those without lymph node metastasis. No significant correlation was found in age, gender, carcinoma size, or carcinoma differentiation. These results suggest that expression of FOXP3 was higher in ESCC tissue and was closely correlated to lymphatic invasion and pathological stage. It may imply that FOXP3 might play an important role in esophageal carcinoma progression. |
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