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. 2020 Jun 11;10:9472. doi: 10.1038/s41598-020-66295-0

Figure 6.

Figure 6

VNS significantly reduces the number of infiltrating macrophages in the kidney. (a–e) The number of infiltrating leukocytes is evaluated by flow cytometry analysis. (a) There is no significant difference 24 hours after cisplatin injection, but VNS significantly decreases macrophage infiltration 72 hours later (the number of infiltrating macrophages: 11261.1 ± 865.3 and 8660.8 ± 561.6 cells/ g kidney weight for Cis-sham and Cis-VNS, respectively; n = 4 per group; P = 0.0453). (f) Representative pictures of F4/80 staining of kidney sections. (g) The number of macrophages is counted manually using immunohistochemical staining of F4/80 positive cells. (124.3 ± 6.0 and 82.3 ± 8.8 cells/HPF for Cis-sham and Cis-VNS, respectively; n = 3 or 4; P = 0.0095). Data are expressed as mean ± SEM and analyzed using a Student’s t test. *P < 0.05. VNS, vagus nerve stimulation; Cis, cisplatin; HPF, high power field.