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PAS-staining of LS174T cells treated with REWE. Following no treatment (a and e), or treatment with 0.1 mg/ml of RBWE (b and f), 0.1 mg/ml of RBEE (c and g) or 1.0 mM sodium butyrate (d and h) for 4 days, the glycoproteins (MUC2) on cells were visualized by PAS staining, and the cells were counterstained with Hoechst33258 (bar; 40 μm)
