Om groups demonstrating statistically significant differences in staining. Panels 11 and 12 show representative Zucker rat kidney sections treated with non-immune serum (isotype control). M - medulla; C-cortex; 6 w- 6 weeks, 20 w- 20 weeks. Magnification: 200? bar = 100m.Author Manuscript Author ManuscriptActa Histochem. Author manuscript; available in PMC 2017 March 01.Slyvka et al.PageAuthor Man