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Mucus Declines in Agr2 KO mice. A, shown is MUC5AC immunohistochemistry of the corpus in Agr2 KO and WT mice. B, shown is staining in the antrum for neutral (periodic acid-Schiff (PAS), top row) and acid (Alcian blue, bottom row) mucins in Agr2 KO and WT mice. All scale bars represent 50 μm.
