Oncology reports
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BATF2 has been found to be decreased in a variety of human malignancies, while its clinical significance and functional roles in esophageal squamous cell carcinoma (ESCC) remain unknown. Herein, the aim of this study was to investigate the expression pattern and to explore the potential functions of BATF2 in ESCC tissues and cell lines. BATF2 mRNA and protein expression levels in human tissues and human ESCC cell lines were evaluated by quantitative real‑time polymerase chain reaction (qRT-PCR), western blotting (WB) and immunohistochemical (IHC) analyses. ⋯ Pathological grade (P=0.027), clinical stage (P=0.000), lymph node metastasis (P=0.002) and BATF2 expression (P=0.028) were identified as independent prognostic factors for overall survival (OS). In the in vitro studies, upregulation of BATF2 expression significantly inhibited the proliferation and invasive ability of the human ESCC KYSE-410 cells. In conclusion, as a tumor suppressor, BATF2 serves as a prognostic biomarker of ESCC and it may be a potential therapeutic target for ESCC treatment.