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. Author manuscript; available in PMC: 2018 Dec 12.
Published in final edited form as: Toxicol In Vitro. 2018 May 5;51:40–49. doi: 10.1016/j.tiv.2018.05.003

Fig. 3.

Fig. 3.

Transcriptional and protein expressions of TNF-α following exposure to Fe3O4 NPs without or with BCs. (A) Tnf-α mRNA expression (fold change compared to the control) in macrophages with or without NPs exposure. (B) Intracellular TNF-α levels (pg/mg protein) in macrophages with or without NPs exposure. (C) TNF-α levels (pg/mL) released in the culture media of macrophages with or without NPs exposure. Data represent mean + SEM, n = 6/group. *p < 0.05, as compared with the control group; #p < 0.05, as compared with the FBS-Fe3O4 NPs group; +p < 0.05, as compared with the FBS-Fe3Q4 NPs group.