Exosomes Derived from Human Umbilical Cord Mesenchymal Stem Cells Relieve Inflammatory Bowel Disease in Mice

Figure 6

The expression levels of IL-7 in the colon tissues of mice in normal, IBD, and Ex + IBD groups. (a) The expression of IL-7 was measured by using qRT-PCR. (b) The protein levels of IL-7 were measured by using western blot. (c) Densitometric analyses of the protein bands in (b). (d) Representative photographs of the immunohistochemical staining of IL-7. Data shown were representative of three independent experiments. Bars represent the means ± SD. Scale bar = 100 μm. .

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