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. 2017 Mar 7;15:20. doi: 10.1186/s12951-017-0252-y

Fig. 4.

Fig. 4

Effects of ULP-SeNPs on immune cell infiltration into colon tissue during DSS colitis. Expression levels of CD68 (×200 magnification) were evaluated by immunohistochemistry in the colon tissue. Three groups including a NC, b DSS, c DSS + ULP-SeNPs and d CD68 positive cell numbers were counted and compared among three groups (n = 10). **P < 0.01; (significantly different from the DSS group). ### P < 0.001 (significantly different from the NC group)