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. 2020 Sep 14;11(9):750. doi: 10.1038/s41419-020-02964-2

Fig. 3. Wnt signaling was necessary to attenuate intestinal damage during experimental NEC.

Fig. 3

Ileal sections from NEC mice administered with C59 and IWP2-treated AFSC demonstrated increased villus damage as compared to NEC+AFSC (a, b). AFSC reduced NEC-induced intestinal expression of pro-inflammatory cytokines IL-6 and TNFα (c, d), increased epithelial proliferation (Ki67) (e, f), and increased gene expression of ISC marker Lgr5 and Olfm4 (g, h). These changes were not evident with administration of Wnt-deficient AFSC (pretreated with C59 or IWP2). n = 10 for Control, NEC, NEC+AFSC, and n = 6 for NEC+AFSCC59, NEC+AFSCIWP2. Data are presented as means ± SD. *p < 0.05; **p < 0.01; ***p < 0.001, using unpaired Student’s t test or one-way ANOVA with post-hoc tests as appropriate.