Purpose: To explore the expression of TPX2 and its significance in esophageal squamous cell carcinoma (ESCC) tissue and approach relationship between the TPX2 and clinicopathological characteristic of esophageal squamous cell carcinoma.
Method: RT-PCR and immunohistochemical staining were used to compare the expression of TPX2 in 62 esophageal squamous cell carcinoma, 31 atypical hyperplasia and 62 normal esophageal mucosa.
Results: In ESCC, atypical hyperplasia and in normal mucous membrane tissues, the positive rate of TPX2 protein expression was 85.5% (53/62), 51.6% (16/31) and 4.8% (3/62); the positive rate of TPX2 mRNA expression was 65.5% (40/62), 35.5 (11/31) and 4.83% (3/62). The expression of TPX2 protein and mRNA were correlated with invasive depth and lymphatic metastasis of ESCC (P<0.01).
Conclusions: Overexpression of TPX2 may be risk factor of lymph node in esophageal carcinoma, and maybe a potential biomarker for early diagnosis and prognosis of esophageal squamous cell carcinoma.
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