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Effect of GLP-2 (100 nmol/L) on tight junction proteins and signaling molecules expression with MAPK signaling pathway blocked by U0126 (10 μmol/L). GLP-2, glucagon-like peptide 2; MARK, mitogen-activated protein kinase; ZO-1, zonula occludens-1. a,b,c Treatments with different letters are different at p<0.05.
