Additional file 2.

Immunofluorescent staining for β-catenin. Immunofluorescent staining in vitro. KYSE 170 mock cells expressing β-catenin in the cytoplasm and nucleus (middle); DAPI (right); Actin. (left). KYSE 170 F4 cells expressing β-catenin in the cytoplasm and membrane (middle); DAPI (right); Actin. (left). Positive control HCT15 cells expressing strongly β-catenin in the nucleus (middle); DAPI (right); Actin. (left).

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Ortiz et al. Diagnostic Pathology 2010 5:41   doi:10.1186/1746-1596-5-41