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Macrophage infiltration levels in the kidney of different experimental groups. (a) Expression of F4/80+ and CD68+ cells by immunohistochemistry. Original magnification, 400×. Scale bars, 100 μm. (b) Bar graph of F4/80+ cell count calculated by immunohistochemistry. (c) Bar graph of CD68+ cell count. All values are presented as SEM. n=6 or 7 rats per group. Two-tailed student’sStudent’s t-test was used for single two-sample comparisons. Verb: verbascoside. *P<0.05; **P<0.01
