Association between Bmi1 and clinicopathological status of esophageal squamous cell carcinoma.

Aim: To investigate the clinicopathological roles of Bmi1 in esophageal squamous cell carcinoma (ESCC).

Methods: Quantitative real-time polymerase chain reaction and immunohistochemical staining for Bmi1 were performed in cancerous and adjacent non-cancerous paraffin-embedded esophageal specimens.

Results: The Bmi1 expression level was unaffected by gender and age.