Research Article

The Effects of Sleeve Gastrectomy on Glucose Metabolism and Glucagon-Like Peptide 1 in Goto-Kakizaki Rats

Figure 6

Effects of sleeve gastrectomy on the expression levels of the GLP-1 protein and the preproglucagon and PCSK1 genes in jejunal and ileal segments. Representative micrographs (400x magnification) of GLP-1 immunopositive cells (a) and the relative numbers of GLP-1 immunopositive cells (b, e). Expression levels of the preproglucagon (c, f) and PCSK1 genes (d, g) in the jejunum and ileum are shown. Brown GLP-1-positive staining is indicated by arrows. versus the controls; versus PF-sham.
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